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Black-Tailed Prairie Dog Food Habits and Forage Relationships in Western South Dakota
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Black-Tailed Prairie Dog Food Habits and Forage Relationships in Western South Dakota

著者: Daniel W Uresk
版本/格式: 文章 文章 : 英语
刊登在:Journal of Range Management, Jul., 1984, vol. 37, no. 4, p. 325-329
数据库:JSTOR
提要:
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文件类型: 文章
所有的著者/提供者: Daniel W Uresk
ISSN:0022-409X
OCLC号码: 477542571
语言注释: English
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摘要:

Four plants made up 65% of items in fecal pellets of the black-tailed prairie dog in western South Dakota. These important forages in order of significance were sand dropseed, sun sedge, blue grama, and wheatgrasses. Grasses made up 87% of the total diet, while forbs comprised 12%. Shrubs, arthropods, and seeds made up 1% or less of the diet. Preference indices were highest for ring muhly, green needlegrass, and sand dropseed. Relationships of diets to available forage was weak, having an average similarity of 25%; rank-order correlations were nonsignificant, indicating that black-tailed prairie dogs are selective feeders.

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