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Influence of Changes in Sagebrush on Gunnison Sage Grouse in Southwestern Colorado

Citation

Oyler-McCance, Sara J, Burnham, Kenneth P, and Braun, Clait E, Influence of Changes in Sagebrush on Gunnison Sage Grouse in Southwestern Colorado: .

Summary

The decline in abundance of the newly recognized Gunnison sage grouse (Centrocercus minimus) in southwestern Colorado is thought to be linked to loss and fragmentation of its habitat, sagebrush (Artemisia) vegetation. We documented changes in sagebrush-dominated areas between the 1950s and 1990s by comparing low level aerial photographs taken in these time periods. We documented a loss of 20% or 155,673 ha of sagebrush-dominated areas in southwestern Colorado between 1958 and 1993. The amount of sagebrush-dominated area was much higher and loss rates were much lower in the Gunnison Basin. We also found that 37% of plots sampled underwent substantial fragmentation of sagebrush vegetation. If current trends of habitat loss and fragmentation [...]

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  • Upper Colorado River Basin

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From Source - Mendeley RIS Export <br> On - Wed Sep 19 07:58:02 MDT 2012

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Title Citation Influence of Changes in Sagebrush on Gunnison Sage Grouse in Southwestern Colorado

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