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Engineering rodents create key habitat for lizards


David C Lightfoot, J L McIntyre, and Ana D Davidson, Engineering rodents create key habitat for lizards: .


There is growing recognition among ecologists that ecosystem engineers play important roles in creating habitat for other species, but the comparative and combined effects of co-existing engineers are not well known. Here, we evaluated the separate and interactive effects of two burrowing rodents, Gunnison's prairie dogs (Cynomys gunnisoni) and banner-tailed kangaroo rats (Dipodomys spectabilis), on lizards in the Chihuahuan Desert grassland (USA). We found that the mounds and burrow systems of both rodent species provided important habitat for lizards, with lizard abundance being 2 to 4-fold higher on mounds than in adjacent areas without mounds. Kangaroo rat mounds supported greater numbers of lizards than prairie dog mounds, but [...]


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  • Upper Colorado River Basin



From Source - Mendeley RIS export <br> On - Tue May 10 11:34:06 CDT 2011

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