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1 June 2010 Scale-dependent Response by Breeding Songbirds to Residential Development Along Lake Superior
Michelle T. Ford, David J. Flaspohler
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Abstract

We examined the influence of shoreline residential development on breeding bird communities along forested portions of Lake Superior and hypothesized that anthropogenic changes related to housing development would alter bird community structure compared to areas without human development. We used point counts to compare relative abundance of bird species in relation to residential development at coarse (along 1 km shoreline stretches with and without housing/cottage development) and fine (developed and undeveloped sides of a shoreline access road) spatial scales during the 2005 breeding season. More species had development related differences in abundance at the finer-scale analysis than at the coarse scale. American Crows (Corvus brachyrhynchos) and American Robins (Turdus migratorius) were more abundant on the developed, shoreline side of shoreline access roads. Red-breasted Nuthatches (Sitta canadensis), Black-throated Green Warblers (Dendroica virens), and Red-eyed Vireos (Vireo olivaceus) were more abundant on the undeveloped, inland side of shoreline access roads. Several species were detected exclusively in developed or undeveloped forest areas. The pattern of development-related differences in relative abundance of bird species depended on the scale at which data were analyzed, suggesting that many species may respond to habitat differences within the 100 m scale quite distinct from how they respond to differences at the scale of thousands of meters.

Michelle T. Ford and David J. Flaspohler "Scale-dependent Response by Breeding Songbirds to Residential Development Along Lake Superior," The Wilson Journal of Ornithology 122(2), 296-306, (1 June 2010). https://doi.org/10.1676/09-137.1
Received: 27 August 2009; Accepted: 1 December 2009; Published: 1 June 2010
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