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- Title
Influence of Local, Landscape, and Regional Variables on Sedge and Marsh Wren Occurrence in Great Lakes Coastal Wetlands.
- Authors
Panci, Hannah; Niemi, Gerald; Regal, Ronald; Tozer, Douglas; Gehring, Thomas; Howe, Robert; Norment, Christopher
- Abstract
We determined the influence of habitat, landscape, geographic, and climate variables on Sedge Wren ( Cistothorus platensis) and Marsh Wren ( C. palustris) occurrence in 840 coastal wetland survey points throughout the Great Lakes. Variables included surrounding land use and configuration out to 2000 m; latitude; longitude; temperature; precipitation; and vegetation characteristics within 100 m. Classification trees predicted Sedge Wren occurrence at points in the western Great Lakes with < 11 km of roads within 1000 m. Emergent herbaceous wetland within 500 m, woody wetland within various distances, and sedge within 100 m were also positively associated with Sedge Wren occurrence. Marsh Wren occurrence was predicted at points in the southern Great Lakes with < 42% developed land within 500 m. Emergent herbaceous wetland within 500 m, cropland within various distances, and cattail within 100 m were also positively associated with Marsh Wren occurrence. Our results suggest limiting development around wetlands is important for conserving these bird species throughout Great Lakes coastal wetlands. Landscape-scale land cover variables are easily obtainable and significantly increase our ability to predict occurrence of these species across a broad geographic scale.
- Subjects
SEDGE wren; MARSH wren; COASTAL wetlands
- Publication
Wetlands, 2017, Vol 37, Issue 3, p447
- ISSN
0277-5212
- Publication type
Article
- DOI
10.1007/s13157-017-0881-9