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Microtus californicus

Citation:

Intraspecific litter size variation in Microtus californicus II. variation between populations

Author(s)
Krohne, David T.
Pages
1174-1182
Year
Issue
6
Volume
34
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Location Sample Size Type
Growth Rate 3.5 change in body weight 0.2 SE g/wk Male Juvenile captured in Contra Costa County, CA 42 Exposure Factor Datasets
Citation:

The demography of low-litter size populations of Microtus californicus

Author(s)
Krohne, David T.
Pages
368-374
Year
Volume
60
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Population Density see citation figure of seasonal changes in density #/acre Both Male and Female Not Reported Sea Ranch Not Reported Exposure Factor Datasets
Body Weight - Mean see citation figure of seasonal changes in weight g Male Adult Sea Ranch Not Reported Exposure Factor Datasets
Survival/ Mortality see citation figure of proportion surviving/wk Both Male and Female Both Adults and Juveniles Sea Ranch Not Reported Exposure Factor Datasets
Citation:

Extra-large body size in California voles: causes and fitness consequences

Author(s)
Lidicker, William Z., and Richard S. Ostfield
Pages
108-121
Year
Volume
61
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Body Fat (total or %) see citation figure relating fat content to body weight g Both Male and Female Both Adults and Juveniles Brooks Island, San Francisco Bay 44 Exposure Factor Datasets
Citation:

The relationship between habitat heterogeneity, space use, and demography in a population of California voles

Author(s)
Ostfeld, Richard S., William Z. Lidicker, Jr. and Edward J. Heske
Pages
433-442
Year
Volume
45
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Population Density 550 peak density #/ha Both Male and Female Both Adults and Juveniles Russell Reservation Not Reported Exposure Factor Datasets
Citation:

Energy metabolism and evaporative water loss in the California ground squirrel

Author(s)
Baudinette, Russel V.
Pages
57-72
Year
Volume
81
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Type
Metabolic Rate OC = 1.94W^-0.209 equation relating basal oxygen consumption (OC; ml O2/g/hr) to body weight (W, g; 260-800g) ml O2/g/hr Not Reported Not Reported Not Reported Exposure Factor Datasets
Citation:

Home range, population structure, and spatial organization of California ground squirrels

Author(s)
Boellstorff, Diane E. and Donald H. Owings
Pages
551-561
Year
Issue
2
Volume
76
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size range of means for 2 yrs 6.1 - 7.3 young/litter Female Adult Camp Ohlone [lat., 37^o29'N; long., 121^o45'W] 11/yr Exposure Factor Datasets
Citation:

Ventilatory accommodation of changing oxygen demand in sciurid rodents

Author(s)
Chappell, Mark A.
Pages
722-730
Year
Volume
162
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Type
Inhalation Rate 297 (10C); 238 (20C); 137 (30C) inhalation rates at ambient temperatures (10-30C) ml/min Not Reported Not Reported 6/group Exposure Factor Datasets

Spermophilus beecheyi

Citation:

Hibernation and sociality in the California ground squirrel

Author(s)
Dobson, F. Stephen and David E. Davis
Pages
416-421
Year
Issue
2
Volume
67
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Time of Torpor or Hibernation see citation figure of seasonal activity patterns, including hibernation Both Male and Female Both Adults and Juveniles Santa Barbara; Bell Ranch; Hastings Reservation Not Reported Exposure Factor Datasets
Citation:

A population study of the Beechey ground squirrel in central California

Author(s)
Evans, F. C. and R. Holdenried
Pages
231-260
Year
Issue
2
Volume
24
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean see citation figure of monthly changes in body weight g Both Male and Female Both Adults and Juveniles Calaveras Reservior 2 - 106/sample Exposure Factor Datasets
Body Weight - Mean 500 - 800 g Both Male and Female Adult Calaveras Reservoir Not Reported Exposure Factor Datasets
Longevity 3+ oldest individuals recaptured yrs Male Adult Calaveras Reservoir 2 Exposure Factor Datasets
Home Range 0.36 above ground area occupied for at least one mo 0.06 - 0.74 acres Male Adult Calaveras Reservoir 21 Exposure Factor Datasets
Home Range 0.59 above ground area occupied for at least one mo 0.12 - 1.62 acres Female Adult Calaveras Reservoir 51 Exposure Factor Datasets
Citation:

Ecology of the California ground squirrel on grazing lands

Author(s)
Fitch, Henry S.
Pages
559-596
Year
Volume
39
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Food Ingestion Rate range of total food weight for observed individuals 6.85 - 29.3 g dry wt/d Both Male and Female Adult San Joaquin Experimental Range 6 Exposure Factor Datasets
Time of Mating/ Laying Jan. - Feb. Both Male and Female Adult San Joaquin Experimental Range Exposure Factor Datasets
Survival/ Mortality % tagged young surviving to following year to become breeding adults; range over 3 yrs 36.1 - 51.6 % Both Male and Female Juvenile San Joaquin Experimental Range 321 - 339/yr Exposure Factor Datasets
Home Range 400 diameter of "typical" home range ft Both Male and Female Both Adults and Juveniles San Joaquin Experimental Range Not Reported Exposure Factor Datasets
Citation:

Patterns of progesterone secretion in free-living California ground squirrels (Spermophilus beecheyi)

Author(s)
Holekamp, K.E., S. Nunes and F. Talamantes
Pages
1051-1059
Year
Issue
5
Volume
39
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Location Sample Size Type
Time of Mating/ Laying Feb. - Mar. Both Male and Female Adult University of California, Santa Cruz Campus [lat., 37^oN; long., 122^oW] Not Reported Exposure Factor Datasets
Age at Sexual Maturity 1 yr Both Male and Female Adult University of California, Santa Cruz Campus [lat., 37^oN; long., 122^oW] Not Reported Exposure Factor Datasets
Clutches or Litters per year 1 litter/yr Female Adult University of California, Santa Cruz Campus [lat., 37^oN; long., 122^oW] 128 Exposure Factor Datasets
Citation:

Energy requirements and diet of the California ground squirrel

Author(s)
Schitoskey, Frank, Jr. and Sarah R. Woodmansee
Pages
373-382
Year
Issue
2
Volume
42
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition see citation list of mean % of 25 items in monthly diets, based on stomach contents % Not Reported Not Reported San Joaquin Experimental Range 12-40/mo Exposure Factor Datasets
Citation:

Multiple litters in the California ground squirrel, Spermophilus beecheyi fisheri, in Tulare county

Author(s)
Simpson, G. L., and T.K. Lamunyon
Pages
101-104
Year
Volume
9
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Clutches or Litters per year evidence for 2nd litter in 20% of reproductively active females 1 - 2 litters/yr Female Adult Coho creek Not Reported Exposure Factor Datasets
Citation:

Physiological correlates of burrow gas conditions in the California ground squirrel

Author(s)
Baudinette, R.V.
Pages
733-743
Year
Volume
48
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Metabolic Rate see citation figure of oxygen consumption at ambient temperatures (15-35C) ml O2/g/hr Not Reported Not Reported captured at University of California, Irvine 10/group Exposure Factor Datasets
Citation:

Latitude and litter size of the California ground squirrel, Spermophilus beecheyi

Author(s)
Chapman, Joseph A. and Gordon S. Lind
Pages
101-105
Year
Volume
72
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size range of means for 2 sites 5.46 - 6.44 young/litter Female Adult Douglas and Benton counties {lat., 43-44.5^oN] 9-13/site Exposure Factor Datasets
Citation:

An experimental study of dispersal in the California ground squirrel

Author(s)
Dobson, F. Stephen
Pages
1103-1109
Year
Volume
60
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Time of Migration or Dispersal June - Aug. dispersal of young Both Male and Female Juvenile Hastings Natural History Reservation Not Reported Exposure Factor Datasets
Citation:

Summer and autumn breeding of the California ground squirrel

Author(s)
Storer, Tracy I.
Pages
235-237
Year
Volume
11
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Sample Size Type
Clutch or Litter Size range of means 5.5 - 8.1 embryos/female Female Adult Not Reported Exposure Factor Datasets

Dipodomys merriami

Citation:

Ecology of rodents in Indian Cove (Mojave Desert), Joshua Tree National Monument, California

Author(s)
Chew, Robert M. and Bernard B. Butterworth
Pages
203-225
Year
Volume
45
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density range of monthly density estimates over 2 yrs 0.44 - 3.7 #/ha Not Reported Not Reported Indian Cove, Joshua Tree National Monument Not Reported Exposure Factor Datasets
Home Range 155 cumulative home range diameter for 6-8 mo period m Both Male and Female Not Reported Indian Cove, Joshua Tree National Monument 34 Exposure Factor Datasets
Body Weight - Mean see citation figure of seasonal changes in weight g Both Male and Female Both Adults and Juveniles Indian Cove, Joshua Tree National Monument Not Reported Exposure Factor Datasets
Longevity longest recorded longevity 21 - 23 mo Not Reported Adult Indian Cove, Joshua Tree National Monument 2 Exposure Factor Datasets
Citation:

Home range dynamics of rodents in a sagebrush community

Author(s)
O'Farrell, Michael J.
Pages
657-668
Year
Volume
59
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Home Range 0.49 annual composite home range estimated by principal component method (95% probability) ha Not Reported Not Reported Warm Springs Valley, Washoe County 718 recapture loci Exposure Factor Datasets
Citation:

Life history notes on Merriam's kangaroo rat in southern Arizona

Author(s)
Reynolds, Hudson G.
Pages
48-58
Year
Volume
41
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Growth Rate 4.0 (0); 10.0 (2 wks); 18.0 (4 wks); 24.0 (6 wks); 28.0 (8 wks); 31.0 (10 wks); 34.0 (12 wks); 36.0 (14 wks) body weights at various ages (0 - 14 wks) g Not Reported Juvenile 3 Exposure Factor Datasets
Body Weight - Mean range of seasonal body weights 39.5 - 46.5 g Male Adult Santa Rita Experimental Range, Tucson (elev., 3000 - 4500 ft) 644 Exposure Factor Datasets
Clutch or Litter Size 2.02 1 - 3 embryos/female Female Adult Santa Rita Experimental Range, Tucson (elev., 3000 - 4500 ft) 133 Exposure Factor Datasets

Perognathus longimembris

Citation:

Ecology of rodents in Indian Cove (Mojave Desert), Joshua Tree National Monument, California

Author(s)
Chew, Robert M. and Bernard B. Butterworth
Pages
203-225
Year
Volume
45
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density range in monthly density estimates over 2 yrs 0.73 - 1.74 #/ha Not Reported Not Reported Indian Cove, Joshua Tree National Monument Not Reported Exposure Factor Datasets
Body Weight - Mean range of annual weight means for 2 yrs 8.1 - 8.8 g Both Male and Female Adult Indian Cove, Joshua Tree National Monument 31 - 65/yr Exposure Factor Datasets
Citation:

Home range dynamics of rodents in a sagebrush community

Author(s)
O'Farrell, Michael J.
Pages
657-668
Year
Volume
59
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Home Range 0.33 annual composite home range estimated by principal component method (95% probability) ha Not Reported Not Reported Warm Springs Valley, Washoe County 394 recapture loci Exposure Factor Datasets

Peromyscus maniculatus

Citation:

Home range dynamics of rodents in a sagebrush community

Author(s)
O'Farrell, Michael J.
Pages
657-668
Year
Volume
59
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Home Range 1.42 annual composite home range estimated by principal component method (95% probability) ha Not Reported Not Reported Warm Springs Valley, Washoe County 509 recapture loci Exposure Factor Datasets
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