Ecology of the California ground squirrel on grazing lands

Author(s)
Fitch, Henry S.
Year
Article Title
Ecology of the California ground squirrel on grazing lands
Volume
39
Pages
559-596
Start Page Number
559
Final Page
596
Review

Datapoints

Displaying 1 - 10 of 10 datapoints.
Species: California Ground Squirrel (Spermophilus beecheyi)
Exposure Endpoint Type Endpoint Description Endpoint Value Sample Size Units Life Cycle Stage Specific Location Range Type
Food Ingestion Rate 22.5 9 animals g dry wheat/squirrel x day Both Adults and Juveniles 12.4 - 31.1 Exposure Factor Datasets
Body Weight - Mean range of monthly mean weights over 4 yrs 5 - 58/mo g Adult San Joaquin Experimental Range 483.8 - 552.5 Exposure Factor Datasets
Body Weight - Mean range of monthly mean weights over 4 yrs 4 - 63/mo g Adult San Joaquin Experimental Range 560 - 764.8 Exposure Factor Datasets
Body Weight - Mean weight at birth 8.9 6 litters (42 animals) g Juvenile Exposure Factor Datasets
Population Density five year average 2.3 275 #/acre Adult San Joaquin Experimental Range Exposure Factor Datasets
Body Weight - Mean weight of young at first appearance above ground 100 Not Reported g Juvenile San Joaquin Experimental Range Exposure Factor Datasets
Food Ingestion Rate range of total food weight for observed individuals 6 g dry wt/d Adult San Joaquin Experimental Range 6.85 - 29.3 Exposure Factor Datasets
Time of Mating/ Laying Jan. - Feb. Adult San Joaquin Experimental Range Exposure Factor Datasets
Survival/ Mortality % tagged young surviving to following year to become breeding adults; range over 3 yrs 321 - 339/yr % Juvenile San Joaquin Experimental Range 36.1 - 51.6 Exposure Factor Datasets
Home Range diameter of "typical" home range 400 Not Reported ft Both Adults and Juveniles San Joaquin Experimental Range Exposure Factor Datasets

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