Suitability of Wetlands for Migrating and Breeding Waterbirds in Illinois

Wetland-dependent bird populations may be limited by habitat in regions where wetland loss and degradation are pervasive, such as the midwestern United States. However, available spatial datasets, such as the National Wetlands Inventory (NWI), may overestimate habitat availability if total wetland a...

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Bibliographic Details
Published in:Wetlands (Wilmington, N.C.) N.C.), 2020-12, Vol.40 (6), p.1993-2010
Main Authors: Blake-Bradshaw, Abigail G., Lancaster, Joseph D., O’Connell, John R., Matthews, Jeffrey W., Eichholz, Michael W., Hagy, Heath M.
Format: Article
Language:English
Subjects:
Applied Wetland Science
Aquatic birds
Autumn
Availability
Biomedical and Life Sciences
Bird migration
Bird populations
Breeding
Coastal Sciences
Ecology
Emergent vegetation
Environmental Management
Environmental restoration
Forested wetlands
Freshwater & Marine Ecology
Guilds
Habitat availability
Habitats
Hydrogeology
Hydrology
Landscape Ecology
Life Sciences
Migratory birds
Mud flats
Planning
Polygons
Spring
Spring (season)
Summer
Vegetation
Water shortages
Waterfowl
Wetlands
Wildfowl
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Summary:Wetland-dependent bird populations may be limited by habitat in regions where wetland loss and degradation are pervasive, such as the midwestern United States. However, available spatial datasets, such as the National Wetlands Inventory (NWI), may overestimate habitat availability if total wetland area includes wetlands unsuitable for wetland-dependent species. During 2016–2017, we assessed proportional coverages of wetland vegetation and inundation depth typically associated with suitable waterbird habitat relative to the NWI. We also modeled these data as a function of local and landscape characteristics during spring, summer, and autumn for three guilds of wetland-dependent, migratory birds. Suitable waterbird habitat conditions based on actual wetland characteristics measured comprised a small portion of the NWI. Shallowly inundated (
ISSN:0277-5212
1943-6246
DOI:10.1007/s13157-020-01276-7