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AMERICAN MIDLAND NATURALIST
Volume 161, Issue 1, Pages 123-133Publisher
AMER MIDLAND NATURALIST
DOI: 10.1674/0003-0031-161.1.123
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Riparian zones are hotspots of wildlife diversity and also particularly attractive for housing development, Landscaping associated Willi homes contributes to a wide range of lakeshore vegetation structures. Based oil calling surveys ill Northern Wisconsin, we investigated effects of lakeshore vegetation structure on bird diversity and frog abundance at three spatial scales: parcel (30 fit of shoreline), whole-shore (3,10 m of shoreline) And whole-lake scales. For parcel and whole-shore scales, we selected sites paired by lake: 10 sites With an intact understory vegetation layer and 10 sites Willi a cleared understory. Green frog ( Rana clamitans) abundances were somewhat related to presence of forest understory at the parcel scale. More clearly, We found higher avian species richness at sites with intact understory vegetation than those without, and increasing richness with canopy coverage. Aerial insect abundances, which were also higher at sites with an intact understory, may help explain bird distributions. Our results suggest that riparian understory landscaping at the scale of individual parcels call alter local bird communities.
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