Forestland_Habitat
This spatial screening layer identifies prime continuous and connected core forestland blocks. It was derived from a combination of resource layers representing areas which would experience a disruption of core forestland processes. Forest processes can be disrupted through loss and degradation of habitat. Degradation of habitat can be measured in different ways that include but are not limited to increased edge effects (Falk et al 2001, Donovan et al. 1995), impediments to organism migration (Sadoti et al. 2017, Chetkiewicz et al 2006, Meyer et. Al 2007), as well as decreased water quality (Alexander et al. 2007, Belucci et al. 2013). Resources were ranked with respect to the degree of effect anticipated and ranks were adjusted based on our confidence in the layer as both accurate and representative. We would consider any conversion of natural habitats to developed habitat within the mapped core forestland to materially affect the core forestland in these areas. Developed habitats include impervious surface, buildings, structures, roads, and turf grass. The screening layer was derived from 30m pixel raster interpreted data and may include areas that are already developed. If your project area is confined to the developed areas, it may be determined to not materially affect the core forestland in this area. 

sources of component data used to derive this layer: CLEAR Forest Fragmentation 2010 ) (http://clear.uconn.edu/projects/landscape/forestfrag/measuring/core_explained.htm); Nature's Network HUC 6 (McGarigal K, Compton B, Plunkett EB, Deluca WV, and Grand J. 2017. Designing sustainable landscapes project. University of Massachusetts, Amherst. URL: www.umass.edu/landeco/research/dsl/dsl.html); High Quality Watersheds (DEEP, Bellucci, C.J, M.E. Becker, M. Beauchene, and L. Dunbar. 2013. Classifying the health of Connecticut streams using benthic macroinvertebrates with implications for water management. Environmental Management 51:1274-1283); Natural Diversity Database Element Occurrence Data (DEEP-Wildlife)
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