7.3 Evaluation Table 7.2 Summary of effects of Commonwealth environmental watering on aquatic and riverbank vegetation. N/A = Not applicable to this watering action. Detailed findings are presented in Appendix C. CEWO Water Planning and delivery Monitoring and Evaluation questions and outcomes Flow component type Expected outcomes LTIM Question Observed What Were appropriate and target/planned of watering action outcomes information flows provided to magnitude, duration, was the achieve the expected timing and inundation evaluation outcome? extent (CEWO 2016) based on? CEW delivered from To provide hypoxic What has Commonwealth environmental water contributed to the N/A Riverbank and aquatic irrigations escapes water refuge for fish recovery (species richness, cover and recruitment) of riverbank and vegetation was not and other aquatic aquatic vegetation in Yallakool Creek and the mid and upper Wakool monitored at sites in biota (WUM River and how do those responses vary over time? association with the 10054-04 irrigation escapes How do vegetation responses to Commonwealth environmental N/A watering actions water delivery vary among hydrological zones? What did CEW delivered as base flows and freshes contribute to the N/A percent cover of riverbank and aquatic vegetation? What did CEW delivered as base flows and freshes contribute to the N/A taxonomic richness of riverbank and aquatic vegetation taxa? Recession flows and late To reinstate part of What has Commonwealth environmental water contributed to the No effect Vegetation The flood event in autumn/winter the continuous recovery (species richness, cover and recruitment) of riverbank and detectable surveys 2016 decreased the watering action in flows during aquatic vegetation in Yallakool Creek and the mid and upper richness and cover of Yallakool Creek To improve Wakool River and how do those responses vary over time? submerged and links with other amphibious taxa and How do vegetation responses to Commonwealth environmental No difference parts of the river increased the richness water delivery vary among hydrological zones? detectable system (WUM and cover of What did CEW delivered as base flows and freshes contribute to No effect 10054-07, terrestrial taxa. There the percent cover of riverbank and aquatic vegetation? detectable was no recovery of submerged and What did CEW delivered as base flows and freshes contribute to No effect amphibious taxa the taxonomic richness of riverbank and aquatic vegetation taxa? detectable during recession flows or autumn/winter watering action
7.3 Evaluation Table 7.2 Summary of effects of Commonwealth environmental watering on aquatic and riverbank vegetation. N/A = Not applicable to this watering action. Detailed findings are presented in Appendix C. CEWO Water Planning and delivery Monitoring and Evaluation questions and outcomes Flow component type and target/planned magnitude, duration, timing and inundation extent (CEWO 2016) Expected outcomes of watering action LTIM Question Observed outcomes What information was the evaluation based on? Were appropriate flows provided to achieve the expected outcome? CEW delivered from irrigations escapes To provide hypoxic water refuge for fish and other aquatic biota (WUM 10054-04 What has Commonwealth environmental water contributed to the recovery (species richness, cover and recruitment) of riverbank and aquatic vegetation in Yallakool Creek and the mid and upper Wakool River and how do those responses vary over time? N/A Riverbank and aquatic vegetation was not monitored at sites in association with the irrigation escapes watering actions How do vegetation responses to Commonwealth environmental water delivery vary among hydrological zones? N/A What did CEW delivered as base flows and freshes contribute to the percent cover of riverbank and aquatic vegetation? N/A What did CEW delivered as base flows and freshes contribute to the taxonomic richness of riverbank and aquatic vegetation taxa? N/A Recession flows and late autumn/winter watering action in Yallakool Creek To reinstate part of the continuous flows during To improve links with other parts of the river system (WUM 10054-07, What has Commonwealth environmental water contributed to the recovery (species richness, cover and recruitment) of riverbank and aquatic vegetation in Yallakool Creek and the mid and upper Wakool River and how do those responses vary over time? No effect detectable Vegetation surveys The flood event in 2016 decreased the richness and cover of submerged and amphibious taxa and increased the richness and cover of terrestrial taxa. There was no recovery of submerged and amphibious taxa during recession flows or autumn/winter watering action How do vegetation responses to Commonwealth environmental water delivery vary among hydrological zones? No difference detectable What did CEW delivered as base flows and freshes contribute to the percent cover of riverbank and aquatic vegetation? No effect detectable What did CEW delivered as base flows and freshes contribute to the taxonomic richness of riverbank and aquatic vegetation taxa? No effect detectable
edward-wakool-ltim-annual-report-2016-17.docx