. Figure 4. Habitat modification due to hog raising on a sand ridge in Scott County, Illinois. Note that the hog pen is de- nuded of vegetation. The dead trees in the area adjacent to the pen were probably killed earlier by hogs. The fertile, level land (with more clay, silt, and/or organic matter) in the foreground is planted in corn. Illinois chorus frogs {Pseudacru streckeri illinoensis) were heard calling in the springs of 1984 and 1985 not far from this site. Photograph taken on 30 August 1985 by Kevin J. Tarrant.

. Figure 4. Habitat modification due to hog raising on a sand ridge in Scott County, Illinois. Note that the hog pen is de- nuded of vegetation. The dead trees in the area adjacent to the pen were probably killed earlier by hogs. The fertile, level land (with more clay, silt, and/or organic matter) in the foreground is planted in corn. Illinois chorus frogs {Pseudacru streckeri illinoensis) were heard calling in the springs of 1984 and 1985 not far from this site. Photograph taken on 30 August 1985 by Kevin J. Tarrant. Stock Photo
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The Bookworm Collection / Alamy Stock Photo

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MCKR8T

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14.3 MB (641.7 KB Compressed download)

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3165 x 1579 px | 26.8 x 13.4 cm | 10.6 x 5.3 inches | 300dpi

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