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Microtus californicus

Citation:

Nutritional ecology of the California vole: Effects of food quality on reproduction

Author(s)
Batzli, George O.
Pages
406-412
Year
Issue
2
Volume
67
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Sample Size Type
Clutches or Litters per year 0.3 litters per female per 12 wks 0.2 SE litters/12 wks Female Adult 12 Exposure Factor Datasets
Clutch or Litter Size 3.3 0.4 SE young/litter Female Adult 12 Exposure Factor Datasets
Clutches or Litters per year 1.0 litters per female per 12 wks 0.2 SE litters/12 wks Female Adult 12 Exposure Factor Datasets
Clutch or Litter Size 3.3 0.7 SE young/litter Female Adult 12 Exposure Factor Datasets
Clutches or Litters per year 0.2 litters per female per 12 wks 0.1 SE litters/12 wks Female Adult 12 Exposure Factor Datasets
Citation:

Nutritional ecology of microtine rodents: digestibility of forage

Author(s)
Batzli, G. O., and F. Russell Cole
Pages
740-750
Year
Issue
4
Volume
60
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Sample Size Type
Food Ingestion Rate 206 fed rabbit pellets for 21 d 6 SE mg/g/d Not Reported 5 Exposure Factor Datasets
Food Ingestion Rate 254 fed bromegrass for 21 d 8 SE mg/g/d Not Reported 7 Exposure Factor Datasets
Food Ingestion Rate 157 fed ryegrass seeds for 21 d 5 SE mg/g/d Not Reported 8 Exposure Factor Datasets
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 2.9 change in body weight 0.3 SE g/wk Male Juvenile captured in Sonoma County, CA 18 Exposure Factor Datasets
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
Citation:

Adaptations in movement patterns of two species of salt-marsh rodents

Author(s)
Fisler, George F.
Pages
96-103
Year
Volume
67
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density 4.8 - 5.7 #/ha Not Reported Not Reported San Pablo salt marsh Not Reported Exposure Factor Datasets
Home Range range of average maximum distance between captures for groups recaptured 2-9 times 36.9 - 97.5 m Both Male and Female Not Reported San Pablo salt marsh Not Reported Exposure Factor Datasets
Citation:

Carnivore-mouse predation: an example of its intensity and bioenergetics

Author(s)
Pearson, Oliver P.
Pages
177-188
Year
Volume
45
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 Both Adults and Juveniles Tilden Park Not Reported Exposure Factor Datasets
Citation:

Reproduction in a coastal California population of the field mouse, Microtus californicus

Author(s)
Greenwald, Gilbert S.
Pages
421-466
Year
Volume
54
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 4.20 mean embryo number per female 1.41 SD 1 - 9 embryos/female Female Adult San Francisco Bay, San Rafael 154 Exposure Factor Datasets
Age at Fledging, Metamorphosis, Weaning 2 wks Not Reported Juvenile San Francisco Bay, San Rafael Not Reported Exposure Factor Datasets
Longevity 1 maximum length of life in wild yr Both Male and Female Adult San Francisco Bay, San Rafael Not Reported Exposure Factor Datasets
Time of Mating/ Laying Jan. - June major breeding season Both Male and Female Adult San Francisco Bay, San Rafael Not Reported Exposure Factor Datasets
Body Weight - Mean 9.6 - 71.9 g Male Not Reported San Francisco Bay, San Rafael Not Reported Exposure Factor Datasets
Body Weight - Mean 10.0 - 66.5 g Female Not Reported San Francisco Bay, San Rafael Not Reported Exposure Factor Datasets
Citation:

Dispersion patterns of mice in California annual grassland

Author(s)
Batzli, George O.
Pages
239-250
Year
Volume
49
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 Not Reported Not Reported Grass Valley Regional Park Not Reported Exposure Factor Datasets
Citation:

Demographic changes in fluctuating populations of Microtus californicus

Author(s)
Krebs, Charles J.
Pages
239-273
Year
Volume
36
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density range of minimum # alive in 8 areas at 103 weekly intervals 0.8 - 140.1 #/ha Male Both Adults and Juveniles Tilden Regional Park and Richmond Field Station Not Reported Exposure Factor Datasets
Population Density range of minimum # alive in 8 areas at 103 weekly intervals 0.7 - 195.0 #/acre Female Both Adults and Juveniles Tilden Regional Park and Richmond Field Station Not Reported Exposure Factor Datasets
Time of Mating/ Laying Oct. - Aug. based on % scrotal males and performate females; overall range varied by location and year Both Male and Female Adult Tilden Regional Park and Richmond Field Station Not Reported Exposure Factor Datasets
Survival/ Mortality range of mean minimum survival rates per 14 d 0.67 - 0.73 Male Adult Tilden Regional Park 2 periods of weekly sampling Exposure Factor Datasets
Survival/ Mortality range of mean minimum survival rates per 14 d 0.44 - 0.60 Male Juvenile Tilden Regional Park 2 periods of weekly sampling Exposure Factor Datasets
Survival/ Mortality range of mean minimum survival rates per 14 d 0.64 - 0.69 Male Juvenile Tilden Regional Park 2 periods of weekly sampling Exposure Factor Datasets
Survival/ Mortality range of mean minimum survival rates per 14 d 0.81 - 0.85 Female Adult Tilden Regional Park 2 periods of weekly sampling Exposure Factor Datasets
Survival/ Mortality range of mean minimum survival rates per 14 d measured 0.71 - 0.78 Female Juvenile Tilden Regional Park 2 periods of weekly sampling Exposure Factor Datasets
Survival/ Mortality range of mean minimum survival rates per 14 d measured 0.67 - 0.72 Female Juvenile Tilden Regional Park 2 periods of weekly sampling Exposure Factor Datasets
Body Weight - Mean range of monthly means at 3 locations 26 - 63 g Male Both Adults and Juveniles Tilden Regional Park and Richmond Field Station 9-169/mo and site Exposure Factor Datasets
Citation:

Measures of the movements and popultion densities of small rodents

Author(s)
Brant, Daniel H.
Pages
105-184
Year
Volume
62
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 Tilden Regional Park, Berkeley (elev. 600-1200 ft) Not Reported Exposure Factor Datasets
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