Foods of the desert tortoise, Gopherus agassizii, in Arizona and Utah

Author(s)
Hansen, Richard M., Mark K. Johnson and Thomas R. Van Devender
Year
Article Title
Foods of the desert tortoise, Gopherus agassizii, in Arizona and Utah
Volume
32
Issue
3
Pages
247-251
Start Page Number
247
Final Page
251
Review

Datapoints

Displaying 1 - 3 of 3 datapoints.
Species: Desert Tortoise (Gopherus agassizi)
Exposure Endpoint Type Endpoint Description Endpoint Value Sample Size Units Life Cycle Stage Specific Location Type
Dietary Composition % of each food item in fecal pellets (mean +/- SD) Threeawn (Aristida spp., 22 +/- 6%); Globemallow (Sphaeralcea spp., 21 +/- 6%); Slim tridens (Tridens muticus, 20 +/- 7%); Foxtail brome (Bromus rubens, 19 +/- 3%); Red grama (Bouteloua trifida, 6 +/- 3%) and Sedge (Carex spp., 3 +/- 1%) 66 fecal pellets % Not Reported Lower Grand Canyon, Mohave County (elev. 450 m) Exposure Factor Datasets
Dietary Composition % of each food item in fecal pellets (mean +/- SD) Threeawn (Aristida spp., 16 +/- 5%); Globemallow (Sphaeralcea spp., 6 +/- 3%); Slim tridens (Tridens muticus, 50 +/- 8%); Bush muhly (Muhlenbergia porteri, 17 +/- 7%); and Slender janusia (Janusia gracilis, 11 +/- 5%) 18 fecal pellets % Not Reported New Water Mountains, Yuma County (elev. 490 m) Exposure Factor Datasets
Dietary Composition % of each food item in fecal pellets (mean +/- SD) Foxtail brome (Bromus rubens, 64 +/- 4%); Redstem filaree (Erodium cicutarium, 23 +/- 5%); Common winterfat (Eurotia lanata, 6 +/- 4%) and Vetch (Astragalus and Oxytropis, 4 +/- 2%) 30 fecal pellets % Not Reported Beaver Dam Wash, Washington County (elev. 1000 m) Exposure Factor Datasets

Comment

Please let us know if the information on this page is helpful for you. Enter your comment and leave your email address if you would like to receive a response. Thank you!
OEHHA is subject to the California Public Records Act and other laws that require the release of certain information upon request. If you provide comments, please be aware that your name, address and e-mail may be available to third parties. In addition, all public comments will be posted on our web site upon the close of the comment period.
OEHHA California Office of Environmental Health Hazard Assessment