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Abbas Tyabji
Abbas Tyabji and Mahatma Gandhi in 1934
(1854-02-01)1 February 1854
Baroda state, Bombay Presidency, British India
9 June 1936(1936-06-09) (aged 82)
Mussoorie, United Provinces, Indian Empire
Grand Old Man of Gujarat
Abbas Tyabji (1 February 1854 – 9 June 1936) was an Indian freedom fighter from Gujarat, and an associate of Mahatma Gandhi. He also served as the Chief Justice of Baroda State. His grandson is the eminent historian Professor Irfan Habib.[1]
1 Family and background
3 Indian Independence Movement
3.1 Salt satyagraha
4 Death
Family and background[edit]
Abbas Tyabji was born to an extremely wealthy Sulaimani Bohra Muslim family of Cambay in Gujarat. He was the son of Shamsuddin Tyabji and grandson of Mullah Tyab Ali, an immensely successful merchant. His father's elder brother was Badruddin Tyabji, first Indian to become a Barrister later on a judge of the Bombay High Court and an early, loyalist president of the Indian National Congress.
Abbas Tyabji was born in Baroda State, where his father was in the service of the Gaekwad Maharaja. He was educated in England, where he lived for eleven years. He returned, a cultivated Brown Sahib, very loyal to the Raj, devoted to western ways, and with a contempt for the customs and traditions of India. As his nephew, the ornithologist Salim Ali, says in his autobiography,
(Abbas Tyabji), though a moderate nationalist at heart, would stand no adverse criticism of the British as a people, or of the Raj, and even a mildly disparaging remark about the King-Emperor or the royal family was anathema to him. . . If he had any strong sentiments about Swadeshi, he certainly didn't show it by precept or example. . . This being so, he naturally disagreed vehemently with Gandhiji and his methods of political mass agitation. . . In other respects, his moderate but simmering nationalism and his absolute integrity and fairness as a judge were widely recognized and lauded, even by leftist Congressmen and anti-British extremists.[2]
As an England-educated barrister, Tyabji landed a job as judge in the court of Baroda State as a matter of course. With a generous salary added to his sizable family inheritance, and the respectability of a high-government appointment, the family was ensconced in the higher echelons of elite, westernized society, as compradors of the British Raj. For the entirety of his career, Tyabji remained a staunch loyalist of the Raj. He raised his children in a westernized manner, sending his children to England for higher education, and In time, he rose in the judiciary to become Chief Justice of the High Court of Baroda State and retired.
He was an early proponent of women's rights, supporting women's education and social reform. He broke with the prevailing custom of the times by disregarding purdah restrictions and sending his daughters to school.[3][4] His daughter, Sohaila, was the mother of the eminent historian Irfan Habib.[1]
Indian Independence Movement[edit]
Abbas Tyabji attended, along with Mahatma Gandhi, the Social Conference held at Godhra in 1917.[4] At the time, he was seen as a model of Britishness, leading a Western lifestyle and wearing impeccably tailored English suits.[5] All of that changed after the Jallianwala Bagh massacre in 1919, when he was appointed by the Indian National Congress as chairman of an independent fact-finding committee. He cross-examined hundreds of eyewitnesses and victims of the atrocities committed by Reginald Dyer, reacting with "nausea and revulsion." That experience drove him to become a loyal follower of Gandhi, giving strong support to the cause of the Indian National Congress.[4][2]
Leaving his Western style aristocratic life behind, he adopted many of the symbols of the Gandhi movement, burning his English clothes and spinning and wearing khadi.[5] He traveled around the country in third-class railway carriages, staying in simple dharamsalas and ashrams, sleeping on the ground and walking miles preaching non-violent disobedience against the British Indian government. He continued this new lifestyle well past the age of seventy, including several years in British jails.[4][2] In 1928, he supported Sardar Vallabhbhai Patel in the Bardoli Satyagraha, which included a boycott of British cloth and goods. Tyabji's daughter, Sohaila, remembered loading a bullock cart with the family's foreign garments, onto which were loaded all her mother's "best Irish linen, bedspreads, table covers... ", her father's "angarkha, chowghas and English suits" and Sohaila's own "favourite caps of silk and velvet", all given to be burnt.[1]
Salt satyagraha[edit]
In early 1930, the Indian National Congress declared Purna Swaraj, or independence from the British Raj. As their first act of civil disobedience, or satyagraha, Mahatma Gandhi chose a nationwide non-violent protest against the British salt tax. Congress officials were convinced that Gandhi would quickly be arrested, and chose Tyabji as Gandhi's immediate successor to lead the Salt Satyagraha in case of Gandhi's arrest. On 4 May 1930, after the Salt March to Dandi, Gandhi was arrested and Tyabji placed in charge of the next phase of the Salt Satyagraha, a raid on the Dharasana Salt Works in Gujarat.[6][4]
On 7 May 1930 Tyabji launched the Dharasana Satyagraha, addressing a meeting of the satyagrahis, and beginning the march with Gandhi's wife Kasturba at his side. An eyewitness remarked "It was a most solemn spectacle to see this Grand Old Man with his flowing snow-white beard marching at the head of the column and keeping pace in spite of his three score and sixteen years."[7] On 12 May, before reaching Dharasana, Tyabji and 58 satyagrahis were arrested by the British. At that point, Sarojini Naidu was appointed to lead the Dharasana Satyagraha, which ended with the beating of hundreds of satyagrahis, an event that attracted worldwide attention to India's independence movement.[6]
Mahatma Gandhi appointed Tyabji, at age seventy-six, to replace him as leader of the Salt Satyagraha in May 1930 after Gandhi's arrest.[6] Tyabji was arrested soon afterward and imprisoned by the British Indian Government. Gandhi and others respectfully called Tyabji the "Grand Old Man of Gujarat".[8][1]
Death[edit]
Abbas Tyabji died in Mussoorie, (now in Uttarakhand) on 9 June 1936.[4] After his death, Gandhi wrote an article in the Harijan newspaper titled "G. O. M. of Gujarat" (Grand Old Man of Gujarat), including the following praise for Tyabji:
At his age and for one who had never known hardships of life it was no joke to suffer imprisonments. But his faith conquered every obstacle… He was a rare servant of humanity. He was a servant of India because he was a servant of humanity. He believed in God as Daridranarayana. He believed that God was to be found in the humblest cottages and among the depressed of the earth. Abbas Mian is not dead, though his body rests in the grave. His life is an inspiration for us all.[9]
^ a b c d Nauriya, Anil (24 December 2002). "Memories of Another Gujarat". The Hindu. Archived from the original on 1 February 2008. Retrieved 25 January 2008.
^ a b c Ali, Salim (1988). The Fall of a Sparrow. Oxford University Press. ISBN 978-0-19-562127-3. from Habib, Amber. "Abbas Tyabji (1853?–1936)". Archived from the original on 24 October 2009. Retrieved 26 January 2008.
^ Forbes, Geraldine Hancock (1999). Women in Modern India. Cambridge University Press. ISBN 0-521-65377-0. p. 199
^ a b c d e f Nauriya, Anil (3 August 2008). "Remember Abbas Tyabji?". The Hindu. Retrieved 2 March 2014.
^ a b Karlitzky, Maren (2002). "The Tyabji Clan–Urdu as a Symbol of Group Identity". Annual of Urdu Studies. Center for South Asia, University of Wisconsin–Madison. 17.
^ a b c Ackerman, Peter; DuVall, Jack (2000). A Force More Powerful: A Century of Nonviolent Conflict. Palgrave Macmillan. ISBN 0-312-24050-3. p. 87-90.
^ Bakshi, Shiri Ram (1995). Advanced History of Modern India. India: Anmol Publications. ISBN 81-7488-007-0. p. 86-87.
^ "ONE OF MY STAUNCHEST FRIENDS GONE. MOTHER AND YOU WILL FIND ME EQUAL SHARER IN LOSS. FATHER WAS TRULY GRAND OLD MAN OF GUJARAT AND FAITHFUL SERVANT OF NATION WHO KNEW NO DIFFERENCE BETWEEN HINDU AND MUSLIM. SARDAR AND OTHERS ALL JOIN ME." Gandhi, Mahatma. "Collected Works of Mahatma Gandhi" (PDF). 69:127 Telegram to Raihana Tyabji. GandhiServe Foundation. Retrieved 26 January 2008.
^ Gandhi, Mahatma. "Collected Works of Mahatma Gandhi" (PDF). 69:173 G. O. M. of Gujarat, from Harijan, 20-6-1936. GandhiServe Foundation. Retrieved 26 January 2008.
Ackerman, Peter; DuVall, Jack (2000). A Force More Powerful: A Century of Nonviolent Conflict. Palgrave Macmillan. ISBN 0-312-24050-3.
Ali, Salim (1988). The Fall of a Sparrow. Oxford University Press. ISBN 978-0-19-562127-3.
Bakshi, Shiri Ram (1995). Advanced History of Modern India. India: Anmol Publications. ISBN 81-7488-007-0.
Forbes, Geraldine Hancock (1999). Women in Modern India. Cambridge University Press. ISBN 0-521-65377-0.
Gandhi, Mahatma. "Collected Works of Mahatma Gandhi". GandhiServe Foundation. Archived from the original on 9 May 2008. Retrieved 27 January 2008.
Karlitzky, Maren (2002). "The Tyabji Clan–Urdu as a Symbol of Group Identity". Annual of Urdu Studies. Center for South Asia, University of Wisconsin–Madison. 17.
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Enet scoops National Innovation Award in European Business Awards 2019
September 20, 2019 /in Uncategorized /by uniquemedia
Award comes in recognition of Enet's culture of innovation and will be presented at Gala Ceremony in Warsaw this December
Enet, Ireland's largest open-access network operator, has won the National Innovation Award as part of the European Business Awards (EBAs), one of the world's largest cross-industry, cross border business competitions.
Enet was chosen from 2,753 businesses across Europe named as 'Ones to Watch' in a list of business excellence published in July. The company was then selected as a National Winner by a panel of independent judges including business leaders, politicians and academics. Enet will now go on to represent Ireland in the final stage of the competition.
Enet operates the largest alternative wholesale telecoms network in Ireland, which comprises of over 5,400km of fibre infrastructure, including the Irish State's Metropolitan Area Networks (MANs), proprietary metro networks, a unique dark fibre backhaul infrastructure, as well as one of the largest licensed wireless networks in the country. With over 120 employees based in Limerick and Dublin, Enet currently works with over 80 different retail service providers to bring high-quality broadband and wireless to more than one million end users.
Enet won the award in recognition of its Enet Connect platform, a market first which makes Enet's proprietary infrastructure, as well as that from third parties, easily accessible to retail service providers through one simple platform.
Enet will head to Warsaw, Poland, on the 3rd and 4th of December to complete a final round of judging and attend a summit to engage in business issues, as well as the Gala Ceremony where the overall category winners for the 2019 European Business Awards will be announced.
Speaking about the recognition, Peter McCarthy, Enet Group CEO, said: "We are delighted to have claimed the National Award for Innovation in Ireland. At Enet we strive to put our customers first in everything we do. Our culture of innovation is focused on delivering for our customers and making our services better, cheaper, or more efficient.
"As a wholesaler, we don't compete with our customers and indeed we only succeed when our customers succeed. This is a significant recognition of that commitment to innovation and customer service, and we're looking forward to the EBA Gala Ceremony in December."
Adrian Tripp, CEO of the European Business Awards, said: "This is a significant achievement and Enet is an outstanding leader in their field. To be chosen as a National Winner means you show great innovation, ethics and success and are one of the best businesses in Europe. We wish Enet the best of luck in the final round."
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HomeNational NewsGoogle CEO Sundar Pichai honored with Padma Bhushan Award
Google CEO Sundar Pichai honored with Padma Bhushan Award
Padma Bhushan to Sundar Pichai: India's Ambassador Taranjit Singh Sindhu honored Google and Alphabet CEO Sundar Pichai with the Padma Bhushan, one of the country's highest civilian awards, in San Francisco, US. Sandhu said on Twitter that it was a pleasure to hand over the Padma Bhushan to Google and Alphabet CEO Sundar Pichai in San Francisco. Sundar's inspirational journey from Madurai to Mountain View strengthens Indo-US economic and technology ties and reaffirms Indian talent.
After receiving the prestigious Padma Bhushan award from the Indian Ambassador to the US, Sundar Pichai said in his blog that he would like to thank Indian Ambassador Sandhu and for hosting him and giving him the Padma Bhushan. For this, he is very grateful to the Government of India and the people of India and expresses immense respect towards them. Sundar Pichai said that India is a part of him. He takes it with him wherever he goes.
What did Sundar Pichai say on receiving Padma Bhushan?
He said in his blog that he was fortunate to have grown up in a family that learned and acquired knowledge. He said that his parents sacrificed a lot to ensure that he (Sundar Pichai) got opportunities to explore his interests.
Accepting the award, Pichai, 50, said it has been wonderful to return to India several times over the years to witness the rapid pace of technological change. He said that the changes made in India from digital payments to voice technology are benefiting people all over the world. He said he looks forward to continuing the great partnership between Google and India as we work together to bring the benefits of technology to more people.
Prime Minister Modi's praise for Digital India
Sundar Pichai said that Prime Minister Modi's vision of Digital India has certainly been a milestone in that progress and I am proud that Google has partnered with governments, businesses and communities over two transformative decades to make India better. continued to invest in Every new technology that hits our doorstep has made our lives better, and that experience has given me the opportunity to help build technology that improves lives at Google and for people around the world.
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This video is unavailable. Sign in to add this to Watch Later. How to test throttle position sensor wiring with a resistor any car - Duration: This feature is not available right now. Afrotechmods Recommended for you.
Accelerator pedal position sensor - analog. The purpose of this test is to evaluate the correct operation of the APP sensor based on the output voltages in.
Accelerator pedal position sensor - digital. The purpose of this test is to monitor the signal sent from the position sensor to the Engine Control Module (ECM). This test tutorial will help you diagnose a Accelerator Pedal Position (TP) Sensor 1 Malfunction diagnostic trouble code in a step-by-step.
The interactive transcript could not be loaded. When the acceleration pedal is moved, the signal voltage of one potentiometer increases while the other decreases.
Positive Lead Diagnostics 35, views. Subsequently the acceleration pedal is slowly pushed in and released twice during this measurement, the second time a little faster than the fist time.
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Home » Iranian expats hard to woo as Western firms seek foothold in Iran
Iranian expats hard to woo as Western firms seek foothold in Iran
International firms are hunting for Western-educated Iranians to take on executive jobs in the Islamic Republic after the removal of most sanctions- IBP
By Pamela Barbaglia LONDON (Reuters) – International firms are hunting for Western-educated Iranians to take on executive jobs in the Islamic Republic after the removal of most sanctions, but are finding it hard to win them over. Interviews with Western companies and headhunters as well as more than 20 Iranians living abroad showed that expatriates are waiting to see how promised reforms progress before deciding whether to go back, despite lucrative job offers.
Many in the diaspora are put off by the poor quality of life and problems such as red tape, a murky business culture, security issues, pollution and a lack of international schools for their children. They are also concerned about their rights and protections under the Islamic Republic's judicial system.
Their reluctance is making life harder for conglomerates who need help to navigate Iran's complex business world, train the local workforce and bridge a cultural and linguistic gap with affluent local consumers in the country of 80 million.
"This is the place where an expat who holds an MBA (Master of Business Administration) and has the right entrepreneurial attitude can make a real impact. Yet there's never been a queue of expats applying for jobs here," Giuseppe Carella, the Iran country chief of Swiss food group Nestlé, told Reuters.
To nurture future managers, Nestlé sends local graduates overseas for several years, honing their skills away from Iran until they're ready to go back, Carella said.
Expats remain a tiny minority of the about 1,000 employees at the firm's subsidiary in Iran, 15 years after its launch.
President Hassan Rouhani met Iranian expatriates in New York last September and urged them to re-engage with Iran, weeks after Tehran agreed to curb its nuclear program in exchange for the lifting of nuclear-related sanctions.
During a visit to Singapore this month, Foreign Minister Mohammad Javad Zarif said Iranian nationals living abroad were "the best bridges for dialogue of cultures and civilizations".
MANY MISGIVINGS
The Iranian diaspora is estimated by Iranian officials at between 5 and 7 million people, mostly living in North America, Europe and the Gulf.
Some, like Paniz Golkar, a 26-year-old dual national of Iran and Canada, are tempted to return.
"I feel it's my responsibility to go back. Iran needs professionals from all fields," said Golkar, who is due to finish her studies at the Southern California Institute of Architecture in April. "It will be challenging to prove myself as a woman in business but there are more career opportunities in Iran than anywhere else.
"A lot of Iranians in California are talking ab
But there are many challenges to consider.
Some expatriates whose families left Iran before or soon after the 1979 revolution are skeptical about career prospects and worry that Tehran's refusal to recognize their dual citizenship status makes them vulnerable to arbitrary arrest.
Security forces have arrested some dual nationals who hold U.S. and European passports in recent years on unspecified national security charges.
Others hesitate because of concerns over the bureaucratic regime, the lower standard of living in traffic-clogged Tehran and restrictions enforced by the "morality police" on Islamic dress and behavior codes.
British-Iranian Ali Tehrani, 24, tried to relocate to Iran last October but was worn down by the challenge of securing permits and licenses and an exemption from military service, which in Iran is compulsory and lasts 24 months.
"I quickly realized I didn't have the skill sets to navigate the bureaucracy in Iran," he said.
A graduate of University College London who founded a human resources tech firm, KeyPursuit.com, he had hoped to launch an Internet start-up in Iran focusing on online payments. He abandoned the project after three months.
moving back, it's an option we can't ignore," she said.
Source: Iranian expats hard to woo as Western firms seek foothold in Iran – Yahoo News
Tagseconomy Expats Investment Iran Rouhani sanctions US
Iran to make cars in Oman in 2017
German Companies Hope to Take Energiewende to Iran


text:
Der Austro Tower ist ein Bürohochhaus im 3. Wiener Gemeindebezirk Landstraße.

Das in den Jahren 2018 bis 2021 errichtete Gebäude zählt mit einer Höhe von 146 Metern zu den höchsten Bauwerken Wiens und Österreichs. Es verfügt über eine Nutzfläche von rund 45.000 m², die sich auf 40 Geschoße verteilen, und 11 Aufzüge. Es hat eine energiesparende doppelschalige Fassade und öffenbare Fenster. Im Mai 2020 wurde der Turm an die deutsche DEKA im Zuge eines "Forward Purchase Deal" verkauft. Im Erdgeschoß befindet sich ein Konferenzzentrum sowie ein Restaurant.

Gebaut wird das Projekt durch das Immobilienunternehmen SORAVIA bzw. in Form eines Generalunternehmerauftrags durch das oberösterreichische Unternehmen Swietelsky AG.

Siehe auch
 Liste der höchsten Bauwerke in Wien

Einzelnachweise

Landstraße (Wien)
Hochhaus in Wien
Bürogebäude in Wien
Hochhaus in Europa

redpajama_set_name: RedPajamaWikipedia


text:
Home > Journals > Arctic, Antarctic, and Alpine Research > Volume 44 > Issue 3 > Article
1 August 2012 Effects of Recreational Traffic on Alpine Plant Communities in the Northern Canadian Rockies
Varina E. Crisfield, S. Ellen Macdonald, A. Joyce Gould
Varina E. Crisfield,1,2 S. Ellen Macdonald,1 A. Joyce Gould3
1Department of Renewable Resources, University of Alberta, Edmonton, Alberta, T6G 2Hl, Canada
2Corresponding author: vcrisfield@gmail.com
3Alberta Tourism, Parks and Recreation, 9820 – 106 Street, Edmonton, Alberta, T5K 2J6, Canada
Arctic, Antarctic, and Alpine Research, 44(3):277-287 (2012). https://doi.org/10.1657/1938-4246-44.3.277
STUDY SITE
SAMPLING DESIGN
COMPARISON OF THE TRAIL TO ADJACENT TUNDRA
COMPARISON OF TRAILS TO GRAVEL STEPS
Recreational activities in alpine areas have been increasing in recent decades, creating the need to improve our understanding of the impacts of these activities and how they are best managed. We explored impacts of recreational trail use on dry alpine meadows in the northern Canadian Rockies of Alberta. Data collected in 142 plots (0.5 m × 1 m) were used to compare plant community metrics among (1) a recreational trail, (2) intact tundra meadows (undisturbed), and (3) sparsely vegetated gravel steps formed by frost disturbance (naturally disturbed). As compared to undisturbed tundra, trails had substantially lower cover of vascular plants (4% vs. 35%), lichen (0% vs. 10%), and cryptogamic crust (0% vs. 4%); trails also had lower species richness (7 vs. 11 species per plot), but greater soil compaction (2.75 vs. 1.25 kg cm-2). Trails differed from natural gravel steps, which had three times more biotic cover and different composition. This highlights the difference in effects of human and natural disturbance. Positive feedback effects of trampling in tundra ecosystems may lead to altered environmental conditions, including decreased infiltration capacity and nutrient cycles in soils, and more extreme temperatures at the soil surface. These feedbacks could inhibit regeneration of abandoned trails.
Tundra ecosystems have low productivity because of the short growing season, harsh climate, nutrient-poor soils (Bowman et al., 1993; Bliss, 1962), and waterlogging in areas underlain by permafrost (Munroe and Bockheim, 2001). Such ecosystems are believed to be easily disturbed and slow to recover (Liddle, 1975), and the tundra has long been considered to be fragile and sensitive to human activities. The majority of studies of human disturbance in the Arctic have focused on impacts of large-scale industrial developments such as petroleum exploration and extraction, or diamond mining (e.g., Walker and Walker, 1991; Forbes et al., 2001; Kershaw and Kershaw, 1987; Lawson, 1986). However, the natural beauty and ecological uniqueness of both arctic and alpine ecosystems have been attracting increasing numbers of recreational visitors in recent years (Billings, 1973; Dearden and Sewell, 1985; Parsons, 2002; Forbes et al., 2004). Climate change is also predicted to cause abiotic changes in these ecosystems (Chapin et al., 1995; Wipf et al., 2009; Klanderud, 2008), which may stress both individual species and the ecosystem as a whole. Climate change might also be associated with increased numbers of visitors as the warm season increases in length. Thus, there is a growing need to improve our understanding of how recreational activities impact these communities and how these impacts can best be managed.
Trampling resulting from hiking, horse riding, and all-terrain vehicle (ATV) use reduces plant cover, in turn influencing litterfall, nutrient cycling, and soil temperature (Edwards and Cresser, 1992), and potentially causing increased runoff and erosion (Frissell, 1978). Trampling has been associated with decreased species richness (Gremmen et al., 2003), although this is not always the case (Growcock, 2005; Monz, 2002). One of the key predictors of a species' ability to withstand trampling is its morphological form, and changes in community composition are expected as a result of increases in relative abundance of species with trampling-tolerant growth forms and decreases in species with growth forms that are intolerant of trampling (Cole, 1995b).
Plants that do not tolerate trampling well include brittle woody plants (Price, 1985; Cole, 1978), tall herbaceous plants (Price, 1985; Cole, 1995b), upright growth forms (Cole, 1995b), cushion plants (Whinam and Chilcott, 2003; Gremmen et al., 2003), and chamaephytes (Cole, 1995b; Cole and Monz, 2002). Some morphological groups, including shrubs, forbs, and bryophytes have shown mixed responses to trampling (Cole, 1995b; Whinam and Chilcott, 2003; Gremmen et al., 2003; Grabherr, 1982; Cole and Monz, 2002). Very few studies of recreational impacts have examined how community composition is affected by trampling, but see Cole and Monz (2002), who found only minor effects of trampling on species composition in alpine communities in Wyoming.
Recreational activities can also affect plant litter and cryptogamic soil crusts. In alpine areas, all the plants are low-lying and as a result, litter deposition is quite localized. Thus, on alpine trails where plant cover is sparse, we would expect to see very little litter. Litter is an important source of nutrients that can be recycled back into the soil system (Bryant et al., 1998), thus, a loss of litter could lead to reductions in soil nutrients. Cryptogamic soil crusts are thin crusts made up of mosses, lichens, bacteria, fungi, and/ or algae that often form on the soil surface in dry environments, particularly in deserts and tundra (Belnap and Gillette, 1998). Human impacts on cryptogamic crusts have mostly been studied in desert ecosystems (e.g.: Belnap and Gillette, 1998) and have found these crusts to be sensitive to trampling. Because they provide important ecological functions, including nitrogen fixation (Belnap and Gillette, 1998), soil temperature moderation (Gold, 1998), increased nutrient retention (Belnap, 1993), and increased moisture retention (Gold et al., 2001), the loss of soil crusts could have implications for the ecosystem as a whole.
Our objective was to examine how human traffic associated with recreational activities impacts alpine tundra in the front range of the Canadian Rocky Mountains. We examined the vegetation on, near, and away from trails, as well as abiotic factors such as soil compaction. We addressed the following two questions: (i) How does the vascular plant community on an alpine trail differ from the adjacent tundra (which was presumed to represent a control condition); (ii) How does the plant community on the trail compare to that in a naturally sparsely vegetated alpine area? Naturally barren environments, such as scree slopes and fellfields, are superficially similar to trails (i.e.: rocky, exposed, and supporting only scattered plant life), but the two have never been compared to see how ecologically similar they are.
Fieldwork was carried out at Cardinal Divide, a road-accessible alpine ridge, and at the base of Tripoli Mountain, which lies immediately to the southwest of Cardinal Divide. Both sites are located in the southern portion of Whitehorse Wildland Provincial Park (52°53′N, 117°15′W), in the Nikanassin Range of the Canadian Rockies near the hamlet of Cadomin, in Alberta, Canada. The area is believed by some to be a glacial refugium (Packer and Vitt, 1974; but see Strong, 1999) and is a hotspot for rare and disjunct species (Achuff, 1984). Cardinal Divide is situated at approximately 2000 m a.s.l., and is a dry, exposed ridge underlain by calcareous substrate. The most common plant community along the Divide is dry tundra meadows dominated by Dryas integrifolia M. Vahl. Also abundant in this community type are Carex rupestris All., Hedysarum alpinum L. ssp. americanum (Michx.), and Hedysarum boreale Nutt. The Divide also supports snowbed communities in depressions and gullies as well as krummholz patches, which are made up of Picea engelmanii Parry ex Engelm. and Abies lasiocarpa (Hook.) Nutt., and surrounded by heath communities dominated by Phyllodoce glanduliflora (Hook.) Coville, Phyllodoce empetriformis (Smith) D. Don., and Cassiope tetragona (Bong.) D. Don. The plant community found at the Tripoli Mountain site was similar to the Dryas-dominated community found on Cardinal Divide.
From the 1970s to the late 1990s Cardinal Divide was open to off-highway vehicle (OHV) users, horseback riders, mountain bikers, and hikers. Since the incorporation of Whitehorse Wildland Park in 1998, only foot traffic has been permissible on the Divide and has been concentrated along two long hiking trails (each 1.5–2 km), one on each side of the access road. This trail network was formalized in large part due to the efforts of the Alberta Native Plant Council (ANPC) which worked with the Alberta government to delineate a path using rock markers aligned with the footprint of the major existing trails. The Cardinal Divide trail received over 2000 visits (passes) in the summer of 2008 (Alberta Parks, unpublished data).
Fieldwork took place during the summers of 2008 and 2009. Data to characterize conditions on trails and on the adjacent tundra were collected in a series of transects perpendicular to the trail on Cardinal Divide. Data on naturally barren alpine environments and on adjacent tundra were collected on naturally formed gravel steps located at the base of Tripoli Mountain, approximately 2 km away from the main trail site on Cardinal Divide.
Sampling of the trail and adjacent tundra on the Divide was conducted on 42 transects in Dryas-dominated tundra in a study area beginning at the trailhead and extending 1.5 km along the trail on the west side of the access road. To ensure that the study area was sampled evenly along its length, the 1.5 km length of the trail was divided into five, 300-m-long sections, and eight or nine transects were randomly located within each section. The 0–300 m and 300–600 m sections had nine transects each, while the other three sections (600–900 m, 900–1200 m, and 1200–1500 m) had eight transects each, for a total of 42 transects. Transects were placed a minimum of 5 m apart to avoid issues of autocorrelation.
Each transect started on one side of the trail, crossed it, and then extended 50 m away from the trail edge into the tundra. A coin toss was used to determine in which direction (left or right of the trail) each transect would be established. We placed four 0.5 m × 1 m survey plots along each transect at the following locations: one at the center of the trail, one at the edge of the trail, and one at each of 15 m and 50 m from the trail edge (long axis of plot parallel to trail). The trail edge plot began at the point at which vegetation cover increased markedly. The distance between the trail and edge plots varied with trail width, but was never less than 1 m. A few individual plots were removed from the data set because they were outliers that could potentially skew results, thus, the final data set therefore comprised 36–39 plots from each location.
On a knoll at the base of Tripoli Mountain, where the vegetation was similar to that on the Divide, we sampled naturally occurring gravel steps to assess whether they could be considered natural analogues of trail plant communities and to compare the effects of natural versus anthropogenic disturbance. These steps, which are commonly found on moderate to steep slopes subject to frost disturbance (Nicholson, 1976), are composed of alternating strips of fully vegetated tundra and more sparsely vegetated gravel patches oriented parallel to slope contours. These gravel steps bear superficial resemblance to trails in that they are open and gravely, and support only a sparse plant community. Here we laid out a series of parallel transects, 5 m apart, placed perpendicular to the gravel steps. We walked along each transect until we found a gravel patch that was large enough to accommodate the 1 m × 0.5 m survey plot. We repeated this process until we were able to complete 20 survey plots. We also collected data in five reference plots randomly located on the fully vegetated tundra adjacent to the steps. Reference plots were compared to off-trail plots from Cardinal Divide to ensure that any differences found between the trail and the gravel steps did not simply reflect differences in community composition between the two sites.
In each plot at the trail and gravel step sampling locations, a single observer made visual estimates of cover for each vascular plant species and for rock, bare soil, lichens (all species combined), bryophytes (all species combined), and exposed cryptogamic soil crust (identified by its hard-surfaced, filamentous texture). Soil compaction was quantified in the center of each plot using a Humboldt H-4200 pocket soil penetrometer. Care was taken to avoid rocks at or under the soil surface when measuring soil compaction. If the instrument hit a rock at any point while taking a measurement, a new reading was taken in a different location. Because of equipment problems we were unable to measure soil compaction at the gravel step site.
For examination of trail impacts we compared plots on the trail, at the edge, and at 50 m. Because the trail is situated along a ridgetop location, many of the 50 m plots were located at a slightly lower topographic position and on slightly greater slope than was found in the area nearer to the trail. This potentially confounded trampling effects but was unavoidable. However, we compared the 15 m and 50 m plots and found almost no differences. We therefore considered the 50 m plots as the reference condition for assessment of trail impacts. For the sake of brevity we do not report further on the 15 m plots. For analyses focused on the gravel steps we compared the gravel steps, trail plots, the reference plots at the trail site (50 m), and the reference plots from the tundra adjacent to the gravel steps ('gravel step reference').
Total cover per plot was calculated by summing individual species' cover values. We also calculated species richness (# of species), Shannon's Diversity Index, and Shannon's Evenness per plot (Magurran, 2004). In addition, species were assigned to one of five growth forms: caespitose (tufted), rosette (characterized by a rosette of leaves at the base of the plant), mat (plants with a prostrate habit and a tendency for lateral spread), upright (plants with an upright habit and cauline leaves), or cushion (plants with numerous stems tightly packed into a compact cushion form). Species were classified according to the growth form most commonly displayed by individuals of that species (see Appendix 1). We then calculated relative cover for each of these categories by dividing the sum of cover of species in that group by the sum of cover values for all species in the plot. We also examined differences between the trail and adjacent tundra in terms of relative abundance by structural group (herb, shrub, graminoid) and life form (Raunkiaer, 1934), but we do not report those results here because they did not provide much additional insight (Crisfield, 2010).
Univariate analyses used for comparisons of total vascular plant cover; vascular species richness, evenness, and diversity; vascular plant cover by growth form; abiotic and non-vascular cover; and soil compaction were as follows. The effect of location relative to the trail (trail, edge, 50 m) was examined using two paired t-tests in order to compare the trail to each of the two off-trail locations. Off-trail plots were statistically compared in a separate analysis but these results are not presented here (see Crisfield, 2010). When data were highly non-normal, Wilcoxon's signed rank tests (Wilcoxon, 1945) were used (total vascular plant cover, richness and evenness; cover of rock, soil, lichen, bryophytes, litter, and cryptogamic crust; and covers by growth form). For comparison of the trail to the gravel steps, two-way analysis of variance (ANOVA) was used with the main effects being: site (trail site vs. gravel step site), plot location (trail/gravel step vs. reference), and their interaction. When data did not conform to the assumptions for ANOVA (this was the case for all response variables except for richness, evenness, and diversity), we used the Scheirer-Ray-Hare extension of the Kruskal-Wallis test (Scheirer et al., 1976). Signifi-cant main effects were followed up with pair-wise planned comparisons (in the case of normal data) or Wilcoxon's test for paired two-sample comparisons (in the case of non-normal data) with a Bonferroni adjustment of a. All univariate analyses were conducted using SAS 9.2 (SAS Institute, 2004).
Non-metric multidimensional scaling (NMDS; McCune and Grace, 2002), using the Sørenson (Bray-Curtis) distance measure, was used to visualize patterns in species composition in relation to plot locations. One- to six-dimensional models were created initially and we used stress values to choose the final two-dimensional solution. For statistical comparisons of vascular species composition (cover by species) of trail, edge, and 50 m plots, we used permutational multivariate analysis of variance (perMANOVA) with transect included as a blocking (random) factor (Anderson, 2001). We were unable to use perMANOVA tests for the comparisons involving the gravel steps because sample sizes were highly unequal. We therefore used the multi-response permutation procedure (MRPP), which is another distance-based technique appropriate for comparing among groups using data sets with multiple response variables (McCune and Grace, 2002). We used indicator species analysis (Dufrêne and Legendre, 1997) to find species that characterized different locations (trail vs. adjacent tundra or gravel steps). We considered species with a p-value of <0.05 and an indicator value of ≥20 as important indicators (McCune and Grace, 2002). All multivariate analyses were conducted using PCOrd v. 5 (McCune and Mefford, 2006).
We found a total of 73 vascular plant species (Appendix 1). The trail was dramatically different from the adjacent tundra for most variables measured, while the plots at the trail edge and 50 m away from the trail were more similar to one another. Vascular plant cover and species richness were significantly lower on the trail than in either of the off-trail locations. In contrast, diversity and evenness were significantly higher on the trail (Table 1). The trail plots were significantly different from the edge and 50 m plots for all six categories of non-vascular and abiotic cover (Table 1). Rock was by far the dominant substrate on the trail, and there was also substantially more exposed soil on the trail than on the edge or 50 m plots. The other four substrates were more abundant off the trail: lichens, bryophytes, and cryptogamic crust all had fairly low cover values off the trail, but were present only in minute traces on the trail. Litter was the most abundant cover type on offtrail plots but was only present in small amounts on the trail. Soil on the trail plots was significantly more compacted than on either the edge or 50 m plots (Table 1).
The trail differed significantly from both the edge and 50 m plot locations in terms of species composition (by perMANOVA; p < 0.001 in both cases). Four species were found to be indicators for the trail when compared to both the edge and 50 m locations: two caespitose species, one upright grass, and the cushion plant Minuartia spp. (Table 2). Four species were found to be significant indicators for both the edge and 50 m plots, as compared to the trail: two upright shrubs, an upright sedge, and a rosette aster (Table 2). Six species were indicators for the 50 m location only and four other species were indicators for only the edge location. The trail was also different from either adjacent location in terms of morphological composition (relative abundance of growth form; Table 3). The trail was characterized by significantly higher relative abundance of caespitose, rosette, cushion, and upright growth forms. The upright form had the highest relative abundance of all growth forms on the trail, comprising nearly half of the trail vegetation. Caespitose plants were also much more abundant on the trail than off. Cushion growth forms were not very abundant on the trail but were nearly absent in off-trail plots. Plants with a mat growth form had significantly higher relative abundance on the off-trail plots, where they made up more than 60% of off-trail vegetation (Table 3).
Mean (standard deviation) or median (5th-95th percentiles) values for vascular plant cover; richness; evenness; Shannon's Diversity index; cover of: rock, bare soil, bryophytes, and lichens; and soil compaction in the alpine tundra.
Vascular plant cover and richness were significantly higher on the gravel steps than on the trail (Table 1). In contrast, the gravel steps had significantly lower evenness. There were no significant differences in diversity. The two sets of reference plots differed only for diversity, which was slightly higher on the gravel step reference plots.
Rock was the primary cover type for both trail and gravel step plots and did not differ significantly between these two locations (Table 1). The trail had significantly higher cover of bare soil but significantly lower cover of lichens, bryophytes, litter, and cryptogamic crust than the gravel steps (Table 1). The two sets of reference plots (trail vs. gravel step sites) were similar in their cover of lichen, moss, litter, and cryptogamic crust. In contrast to the results for the trail versus gravel step plots, the gravel step reference plots had higher cover of rock and bare soil than did the trail reference plots (Table 1).
The NMDS (Fig. 1) showed a clear separation of the trail and gravel step plots from the two sets of reference plots. The gravel step plots were more similar to both sets of reference plots, while the trail plots were more strongly separated from these. The reference plots from the two sites were not distinct in terms of composition. Based on the MRPP there were significant differences among the four locations overall. Follow-up tests (pairwise MRPPs) found significant differences between the trail and the gravel steps as well as between the trail reference and gravel step reference plots (p < 0.0001 in both cases). However, absolute values of T, which is a measure of effect size, were higher for the comparison of the trail to the gravel steps (T = -22.86) than for the trail reference versus gravel step reference (T = -8.99). These results suggest the trail is more compositionally dissimilar from the gravel steps than the reference tundra communities were from each other.
The same four species that were indicators of the trail location as compared to the edge and 50 m location (see above) were significant indicators of the trail location as compared to the gravel steps and the two reference locations in this analysis (Table 4). There were six significant indicators for the gravel step location, including two rosette species, two mat species, one cushion species, and one caespitose grass; three of these were also indicators for the step reference location (Table 4). There were five indicators for the trail reference plots, of which two were also indicators for the gravel step reference location. An additional three species were significant indicators for only the gravel step reference location.
Results of Indicator Species analysis comparing (A) trail plots versus edge plots, and (B) trail plots versus plots 15 m from the trail. Given are species, along with their Indicator Values for each plot location and the significance. Only species for which p < 0.05 and I.V. > 20 in at least one of the comparisons are listed.
Median (5th-95th percentiles) values for vascular plant cover by growth form in the alpine tundra plots in different locations.
Results of the non-metric multidimensional scaling (NMDS) ordination of plant community data showing the locations of sample plots from different locations in species space. Sample plots are coded according to type: = trail; × = gravel step; + = trail reference; = gravel step reference (n = 103 plots * 82 species). Distance measure = Bray-Curtis; stress = 15.36, variation explained = 82.2%.
Three of the five growth forms varied in terms of their proportional abundance between the trail and the gravel step locations. Caespitose and upright plants had significantly higher relative abundance on the trail than on the gravel steps. On the other hand, matted plants had significantly higher relative abundance on the gravel steps. Cushion and rosette plants did not differ in relative abundance between locations (Table 3). The dominance of the upright growth form on the trail was mostly attributable to non-caespitose graminoids, while graminoids in general were not a large component of the plant community on the gravel steps. The only significant difference between the trail reference and gravel step reference plots was that the gravel step reference had slightly higher relative abundance of caespitose plants, but relative abundance overall of this group was quite low in both locations (Table 3).
The trail at Cardinal Divide was substantially different from adjacent tundra, having lower cover of vascular plants, bryophytes, lichens, and cryptogamic crust but higher diversity and evenness and higher cover of rocks and exposed soil than the surrounding tundra. That the edge and 50 m plots showed similar characteristics suggests that the effects of human traffic do not extend much off the main trail. It was notable, however, that the locations farther away from the trail had higher cover of lichen and litter.
The dramatically lower values for total vascular plant cover on the trail (4% vs. >30%) were no surprise given that the loss of vascular cover is one of the most obvious and well-studied impacts of trampling in tundra ecosystems. This loss of about 88% of vascular cover is greater than the declines of 40–80% which have been previously reported in studies of trampling in tundra communities (Cole, 1995a, 1995b; Cole and Monz, 2002; Monz, 2002; Whinam and Chilcott, 1999, 2003; McDougall and Wright, 2004). These studies focused on a variety of community types, including forbdominated, shrub-dominated, and graminoid-dominant tundra, so the variation in results might simply be a reflection of differences in trampling tolerance between different tundra community types. Monz (2002), who also studied the effects of trampling on Dryasdominated tundra, found that within 10 days of applying 500 passes of artificial trampling, plant cover declined by 80%. This is just slightly less than the estimated loss on Cardinal Divide from years of human use, including use by ATVs.
Results of Indicator Species analysis comparing trail, gravel step, trail reference, and gravel step reference locations. Given are species, along with their Indicator Values for each plot location and the significance. Bold indicator values indicate significance for this location.Only species for which p < 0.05 and I.V. > 20 are listed.
The lower species richness on the trail (compared to the adjacent tundra) confirms the findings of Gremmen et al. (2003) in a study of decades-old trails on subantarctic Marion Island. In contrast, Monz (2002) found no significant change in richness due to even the highest level of artificial trampling in Dryas tundra in Alaska. Somewhat surprisingly, species diversity and evenness were higher on the trail than on the adjacent tundra. One possible explanation for this is that the heavy dominance of the tundra meadows by Dryas integrifolia results in low evenness, and by extension, low diversity. Douglas and Ballard (1971) found a similar result in burned krummholz/heath communities in the Cascade Mountains, where diversity was higher in burned areas 30 years following fire than in unburned sites, and the authors hypothesized that this was driven by the reduced the dominance of Phyllodoce spp.
The reduction in cover of cryptogamic crusts on trails has important ecological implications, as it could lead to reduced soil moisture and nutrient levels and more extreme temperatures at the soil surface (Gold, 1998; Belnap and Gillette, 1998; Belnap, 1993; Gold et al., 2001). Trampling does not always negatively affect cryptogamic communities. For example, a study of caribou trampling in tundra found that low-intensity trampling can benefit soil crust organisms as it creates variation in soil microtopography and microenvironments (Csotonyi and Addicott, 2004). However, these microtopographical variations and their benefits to cryptogams are lost when trampling pressure is high, such as it would be on intensively used recreational trails.
Although our finding of higher soil compaction on the trail was not unexpected, this result contrasts with those of Monz (2002), who found that even 500 passes of experimental trampling on Dryas tundra in Alaska had no significant effect on soil compaction. He did, however, find that soil compaction increased significantly after trampling in a cottongrass community. Willard and Marr (1970) found that trampling led to patches of bare ground in which finer particles were washed away, leaving behind a gravelly substrate. The absence of cryptogamic crust cover has also been found to be associated with coarser soil texture (Gold et al., 2001). This is further supported by our finding of higher rock cover on the trails.
While the trail community consisted of species that were found in the surrounding tundra, there was a pronounced shift in the relative abundances of those species. With the exception of Taraxacum officinale, all the species that were found on the trail were also found in the adjacent tundra, but in many cases species that were common on the trail, such as Poa alpina and Trisetum spicatum, were only present in trace amounts in the off-trail community. Our results contrast with those of Cole and Monz (2002) who, in a three-year experimental trampling study, found that changes in species composition as a result of trampling in dry alpine meadows were minor. This might be a reflection of differences in community type between their study and ours. The meadows that Cole and Monz (2002) studied included forb-dominated and graminoiddominated communities, whereas the tundra on Cardinal Divide is dominated by dwarf shrubs, which have been found to be intolerant of trampling (Cole, 1995b). Also, it is possible that the duration or intensity of the trampling in their study was not enough to cause compositional changes.
Our results for differences in relative abundance of different growth forms on the trail versus adjacent tundra mostly confirm what other studies have found about the trampling tolerance of different morphological groups (Cole, 1995b; Cole and Monz, 2002; Kuss, 1986; Price, 1985; Grabherr, 1982; Pounder, 1985; Whinam and Chilcott, 2003; Gremmen et al., 2003). Trail vegetation was dominated by upright and caespitose growth forms, and the majority of indicator species on the trail were grasses (Poa alpina, Trisetum spicatum, Deschampsia cespitosa, and Festuca brachyphylla). Another indicator, Minuartia spp., is a genus of cushion plant. This was somewhat surprising given that cushions have not been found to be a trampling-tolerant growth form. However, cushion plants possess characteristics that may be advantageous to them in the harsh, exposed trail environment. For example, their closely packed stems and leaves can moderate air temperature within the cushion and they have been found to be able to conserve moisture in the soil beneath them (Körner, 2003). In addition, the cushion life form acts as a litter trap, allowing the plant to access extra nutrients in nutrient-poor environments (Körner, 2003). These characteristics may at least partially explain why cushion plants were found to be relatively more abundant on the trail than off.
While there were superficial similarities between the trail and the gravel steps, the results suggest that trampling leads to the development of a community type that is unique in the context of the surrounding alpine environment on Cardinal Divide, different from both the undisturbed tundra meadows and from naturally disturbed, sparsely vegetated gravel steps. The gravel steps had higher cover of vascular plants, lichens, bryophytes, cryptogamic crust, and litter and higher richness than did the trail. Also, the plant community on the gravel steps was dominated by plants with a mat growth form, similar to undisturbed tundra, and the gravel steps had different indicator species than did the trails. In contrast, the trail plant community was clearly dominated by tramplingresistant species and growth forms. Both trampling and frost disturbance reduced species richness and plant cover in relation to the surrounding tundra, but this effect was more pronounced on the trails. Although trampling and the natural disturbance that forms the gravel steps both cause mechanical damage to plants (frost action can lead to root damage and breakage (Benninghoff, 1952) and trampling causes the breakage of the above-ground organs), the two disturbance types have very different effects on the alpine tundra. This might be because these two disturbance types differ in terms of their effects on soil. Trampling leads to increased soil compaction, while frost heave might loosen soils (Whinam and Chilcott, 2003), resulting in very different conditions for plant growth. It is also difficult to control for trampling intensity in a field setting, and differences in disturbance intensity may account for some of the observed differences.
Unlike lower elevation plant communities, associations between alpine plants are believed to be mainly facilitative (Choler et al., 2001; Callaway et al., 2002). At lower elevations where competition is common, increased space between neighboring plants can be beneficial as it reduces competition between individuals for resources. In contrast, in high alpine communities physical isolation can be a source of stress, as isolated plants are more exposed to the cold, windy conditions of the alpine environment (Choler et al., 2001). Thus, in the alpine, individual plants can benefit from growing in close association with other plants of the same or different species. Plants growing on the trail experience a fairly high degree of physical isolation from their neighbors, and this stress could be selecting for certain species while excluding others from the trail community. Plants on the gravel steps also experience this physical isolation and yet these communities were quite different from those on the trails. Overall our results suggest that the trail community is likely being shaped by trampling pressure rather than by the exposed, harsh environment that results from the greatly reduced plant cover on the trail. Further, the type of plant community on the trail is not found under natural conditions in the tundra (as it differed from both undisturbed and naturally disturbed communities), a conclusion that has important implications in protected areas, which are established to protect native communities.
We hypothesize that the combined effects of reduced plant cover along with soil compaction result in an environment that is extremely inhospitable to plants, with colder, windier, and drier conditions than the surrounding tundra, leading to a series of feedback effects which will inhibit recovery of abandoned trails (Fig. 2). Low amounts of litter and cryptogamic soil crust on the trail could have negative implications for soil nutrient availability. Litter is an important source of nutrients in alpine communities (Körner, 2003), while cryptogamic crust fixes nitrogen, which is believed to be a limiting factor in dry alpine tundra (Bowman et al., 1993). Gold et al. (2001) found that in the absence of cryptogamic crusts, alpine soils had lower levels of both nitrogen and phosphorus. Soil temperatures can become more extreme as a result of the loss of the insulating effects of litter and soil crust (Gold et al., 2001). The microenvironment near and at the soil surface in tundra ecosystems is naturally prone to extreme temperatures and temperature fluctuations (Körner, 2003) and an increase in these fluctuations may be a source of stress for plants growing in denuded areas.
Soil compaction reduces soil porosity and infiltration capacity, inhibits root growth (Liddle, 1997; Pounder, 1985) and aggravates erosion by increasing surface runoff (Batey, 2009). The loss of soil pores can hinder the establishment of seedlings by making it difficult for them to develop sufficient root biomass (Bassett et al., 2005) and can also impede a mature plant's ability to expand its root network (Liddle, 1997). The near complete absence of vegetation on the trail is also of concern because the soil anchoring function that plant roots provide is lost.
Feedback effects such as these could underlie the apparent slow recovery rates for tundra communities that have been damaged by recreational activities (Willard et al., 2007; Ebersole, 2002), and active restoration might be necessary in some cases to reverse these effects and encourage revegetation. They also point to the importance of understanding threshold effects of trampling in tundra ecosystems. If human traffic could be managed so as to avoid the initiation of these feedback effects, long-term damage to tundra plant communities could perhaps be avoided.
Conceptual model of positive feedback effects on alpine plant communities initiated by trampling.
We would like to thank the following organizations for providing the funding that made this research possible: the Natural Sciences and Engineering Research Council of Canada; Alberta Parks; the Alberta Conservation Association; the Alberta Sport, Recreation, Parks and Wildlife Foundation; the Canadian Circumpolar Institute; and the Alpine Club of Canada. Field assistance was provided by Sheena Briggs, Sam Karpyshyn, Jaime Lypowy, Pete Presant, Alison Rose, and Amy Wilker.
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Species list indicating the growth form for each. Nomenclature follows Moss (1983).
© 2012 Regents of the University of Colorado 1523–0430/6 $7.00
Varina E. Crisfield, S. Ellen Macdonald, and A. Joyce Gould "Effects of Recreational Traffic on Alpine Plant Communities in the Northern Canadian Rockies," Arctic, Antarctic, and Alpine Research 44(3), 277-287, (1 August 2012). https://doi.org/10.1657/1938-4246-44.3.277
Accepted: 1 March 2012; Published: 1 August 2012
Arctic, Antarctic, and Alpine Research
Varina E. Crisfield, S. Ellen Macdonald, A. Joyce Gould "Effects of Recreational Traffic on Alpine Plant Communities in the Northern Canadian Rockies," Arctic, Antarctic, and Alpine Research, 44(3), 277-287, (1 August 2012)


When I was in high school, I was heavily involved with community service. My school did not have a community service requirement that had to be fulfilled in order to graduate; I simply did it for the satisfaction of knowing that I was helping other people. I knew I wanted to make this a part of my college experience, so I was excited when I received an email from the University of Richmond's Bonner Scholars Program, suggesting that I should apply.
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