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Relation of Merriam Kangaroo Rats to Range Vegetation in Southern Arizona

Relation of Merriam Kangaroo Rats to Range Vegetation in Southern Arizona RELATION OF MERRIAM KANGAROO RATS TO RANGE VEGETATION IN SOUTHERN ARIZONA HUDSON G. REYNOLDS Southwestern Forest and Range Experiment Station, U. S. Department of Agriculture, Tucson, Arizona Livestock grazing practices and climatic AREA AND PROCEDURES variations are known to affect the char- Field work was conducted on the Santa acter and abundance of range vegetation. Rita Experimental Range which is main- Fluctuations in kinds and numbers of tained by the Southwestern Forest and small mammals often accompany these Range Experiment Station, U. S. Forest vegetal changes. Certain animal species Service, about 30 miles south of Tucson, increase while others decrease as vegeta- Arizona. Studies were confined to the tion retrogresses from climax conditions mesquite ( Prosopis julifiora )-burroweed (Phillips, '36). Ground squirrel popula- (Applopappus tenuisectus) community, tions are smaller on ranges protected from between 3,000 feet and about 4,200 feet livestock grazing (Linsdale, '46). Some elevation, which has replaced the former animal communities even seem to be de- semidesert grassland aspect made up of pendent upon vegetation remaining at a mixed perennial grasses and minor sub-climax level (Taylor et al., '35). amounts of shrubs and herbs. There are In some instances, small mammal popu- two growing seasons in this http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ecology Wiley

Relation of Merriam Kangaroo Rats to Range Vegetation in Southern Arizona

Reynolds, Hudson G.
Ecology , Volume 31 (3) – Jul 1, 1950
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References (6)

Publisher
Wiley
Copyright
© Society for Community Research and Action
ISSN
0012-9658
eISSN
1939-9170
DOI
10.2307/1931498
Publisher site
See Article on Publisher Site

Abstract

RELATION OF MERRIAM KANGAROO RATS TO RANGE VEGETATION IN SOUTHERN ARIZONA HUDSON G. REYNOLDS Southwestern Forest and Range Experiment Station, U. S. Department of Agriculture, Tucson, Arizona Livestock grazing practices and climatic AREA AND PROCEDURES variations are known to affect the char- Field work was conducted on the Santa acter and abundance of range vegetation. Rita Experimental Range which is main- Fluctuations in kinds and numbers of tained by the Southwestern Forest and small mammals often accompany these Range Experiment Station, U. S. Forest vegetal changes. Certain animal species Service, about 30 miles south of Tucson, increase while others decrease as vegeta- Arizona. Studies were confined to the tion retrogresses from climax conditions mesquite ( Prosopis julifiora )-burroweed (Phillips, '36). Ground squirrel popula- (Applopappus tenuisectus) community, tions are smaller on ranges protected from between 3,000 feet and about 4,200 feet livestock grazing (Linsdale, '46). Some elevation, which has replaced the former animal communities even seem to be de- semidesert grassland aspect made up of pendent upon vegetation remaining at a mixed perennial grasses and minor sub-climax level (Taylor et al., '35). amounts of shrubs and herbs. There are In some instances, small mammal popu- two growing seasons in this

Journal

Ecology – Wiley

Published: Jul 1, 1950

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