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Wetland Patch Size This layer is one of the South Atlantic LCC indicators in the estuarine ecosystem. It is an index based on the size of estuarine patches. Reason for Selection Larger, better connected wetlands are positively associated with fish (Meynecke et al. 2008), shrimp (Turner 1977), and marsh birds. In particular, seaside sparrow (Benoit and Askins 2002, Rush et al. 2009), saltmarsh sharp-tailed sparrow (Benoit and Askins 2002), and marsh wren (Rush et al. 2009) have been associated with marsh area effects. Other species are expected to be limited based on home range size. In addition, wave attenuation is increased with wetland area (Shepard et al. 2011). Over time, a decrease in patch size will correspond...
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Water-Vegetation Edge This layer is one of the South Atlantic LCC indicators in the estuarine ecosystem. It is an index capturing the length of the edge between open water and estuarine vegetation. Reason for Selection The density and abundance of shrimp, crab, fish, and other nekton are strongly correlated with the open water-vegetation edges (Minello et al. 2003). In a review of nekton species and coastal habitats, open water-vegetation edge was cited as having the second most dense nekton populations (i.e., first being submerged aquatic vegetation, or SAV) (Minello et al. 2003). In particular, the first 1 m of open water near wetlands is often noted as having the highest density of nekton (Minello and Rozas...


    map background search result map search result map Indicator V 2.0: Estuarine Marsh - Water-Vegetation Edge Indicator V 2.0: Estuarine Marsh - Wetland Patch Size Indicator V 2.0: Estuarine Marsh - Wetland Patch Size Indicator V 2.0: Estuarine Marsh - Water-Vegetation Edge