The Last Refuge of the Mt. Graham Red Squirrel: Ecology of Endangerment
H. Reed Sanderson, John L. Koprowski
University of Arizona Press, 2009 - Science - 427 pages
When the University of Arizona announced plans to build observatories on Mt. Graham, atop the Pinale–o Mountains, the construction was seen as a potential threat to an isolated species found only on this sky island. The Mt. Graham red squirrel was declared “endangered” by the US Fish and Wildlife Service. Legal action required the university to provide funds for research and monitoring the Mt. Graham red squirrel.
This book is derived from a symposium on the Mt. Graham red squirrel and offers a comprehensive picture of the ecology of this red squirrel and the impacts on its mountain home. Forty contributors detail studies conducted to understand the natural history of the creature and the challenges and changing ecological conditions on Mt. Graham.
Each chapter tells a unique story that contributes to the mosaic of natural history knowledge about the endangered Mt. Graham red squirrel. They reflect diverse viewpoints on the problems of conserving the habitats and populations of the squirrel, showing how it was complicated by perspectives ranging from Native Americans’ concern over traditional lands to astronomers’ hope for a better view of space, and by issues ranging from forestry practices to climate change. Studies of such factors as squirrel middens, seed hoarding, and nest sites provide definitive research on the animal.
Ongoing censuses continue to track the squirrel’s population trends, and both Forest Service and Arizona Department of Transportation activities continue to be scrutinized by interested parties to determine their impact. This book represents an authoritative overview of this still-endangered species and its habitat.
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A Risk Assessment of Multiple Impacts on the Endangered
TreeRing Perspectives on Fire Regimes and Forest Dynamics
The Process and Recovery Team Structure for Revising the 1993
Mt Graham Red Squirrel Population Trends
A Comparison of Two Sampling Techniques to Assess Population
Mt Graham Red Squirrel Behavior and Ecology
Removal Rates and Fate of Two Cone Species Collected
Nutrient Content of Mt Graham Red Squirrel Feedstuffs
The Nutritional Ecology of Fungal Sporocarp Hoarding
Effect of Human and Nonhuman Disturbance on Mt Graham
NestSite Characteristics of Sympatric Mt Graham Red Squirrels
Mt Graham Red Squirrel Habitat
Mapping and Monitoring Mt Graham Red Squirrel Habitat
Site Selection for the Establishment of New Middens
About the Editors
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Abert's squirrel nest Abert's squirrels American red squirrels Arizona Game behavior biology bolus nests Boutin caching canopy cavity nests Clark Peak cones conifer seeds conservation corkbark fir Coronado National Forest defoliation density Douglas-fir Ecology elevation endangered Engelmann spruce estimates Fish and Wildlife Fish Department Game and Fish Graham red squirrel Grissino-Mayer Gurnell insect Journal of Mammalogy Koprowski Larsen located males mammals MGRS habitat midden sites mixed-conifer forests Mount Graham Mount Graham red mushrooms nest plots Observatory percent Pinaleno Mountains pollen red squirrel middens Red Squirrel Monitoring red squirrel population red squirrel Tamiasciurus sample significantly slopes Smith and Mannan southwestern species sporocarps spruce aphid spruce-fir forest squirrel Tamiasciurus hudsonicus storage stored study area subteam survey boundary telescope temperatures territory tion trees Tucson U.S. Fish U.S. Forest Service University of Arizona USFS USFWS vegetation Western Apache white fir Wildlife Service