Determinants of Wetland- Bird Community Composition in Agricultural Marshes of the Northern Prairie and Parkland Region
| Autor: | Jody Daniel, Rebecca C. Rooney, Heather Polan |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
0106 biological sciences
geography Marsh geography.geographical_feature_category 010504 meteorology & atmospheric sciences Ecology Land use business.industry 010604 marine biology & hydrobiology Wetland 01 natural sciences Grassland Habitat Agricultural land Agriculture Environmental Chemistry Landscape ecology business 0105 earth and related environmental sciences General Environmental Science |
| Zdroj: | Wetlands. 41 |
| ISSN: | 1943-6246 0277-5212 |
| Popis: | Wetland losses in the Northern Prairie and Parkland Region are largely attributed to agriculture. Since land use is known to influence bird habitat selection, bird community composition is likely sensitive to the extent of neighboring agricultural activity. We determined local and landscape habitat variables predictive of wetland-dependent avian assemblage occurrence in southern Alberta. We: 1) identified distinct bird assemblages with a cluster analysis, 2) identified species indicative of these assemblages using an indicator species analysis, and 3) predicted bird assemblage occurrence in wetlands using a classification and regression tree. Wetland-dependent birds formed distinct avian assemblages that were primarily differentiated by region and local-level habitat characteristics like wetland size, depth, or vegetation cover. Generally, however, wetland-dependent bird assemblages were surprisingly insensitive to surrounding landscape composition. The extent of agricultural activity in the surrounding landscape was weakly predictive of avian assemblages in wetlands in the Grassland Natural Region, with edge-nesting birds being excluded from wetlands with >42% agricultural land cover in the surrounding landscape. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full text from SpringerLink