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Microtus californicus

Citation:

Supression of growth and reproduction of microtine rodents by social factors

Author(s)
Batzli, G. O., Lowell L. Getz, and Sarah S. Hurley
Pages
583-591
Year
Issue
4
Volume
58
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Type
Growth Rate see citation figure of body weight at ages 20 - 180 d g/d Both Male and Female Both Adults and Juveniles Not Reported Exposure Factor Datasets
Citation:

Intraspecific litter size variation in Microtus californicus: variation within populations

Author(s)
Krohne, David T.
Pages
29-40
Year
Issue
1
Volume
62
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size see citation figure of mean monthly litter sizes Female Adult Orinda, Layfayette, Russell Reservation and Sea Ranch 4-33/mo 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 Range Units Sex Life Cycle Stage Location Sample Size Type
Age at Sexual Maturity 17 d Female Adult Brooks Island, San Francisco Bay Not Reported Exposure Factor Datasets
Age at Sexual Maturity 25 d Male Adult Brooks Island, San Francisco Bay Not Reported Exposure Factor Datasets
Body Weight - Mean "typical" body weight 40-50 g Male Adult Brooks Island, San Francisco Bay Not Reported Exposure Factor Datasets
Body Weight - Mean "extra large" body weight (12.6 % of population) 55-80.9 g Male Adult Brooks Island, San Francisco Bay 121 Exposure Factor Datasets
Body Weight - Mean "extra large" body weight corrected for embryos (12.8 % of population) 45.5-62.5 g Female Adult Brooks Island, San Francisco Bay 123 Exposure Factor Datasets
Citation:

Spatial structuring and dispersal in a high density population of the California vole Microtus californicus

Author(s)
Heske, Edward J.
Pages
137-148
Year
Volume
10
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density 685-1077 #/ha Both Male and Female Both Adults and Juveniles Richmond Field Station Not Reported Exposure Factor Datasets
Body Weight - Mean > 45 g Male Adult Richmond Field Station Not Reported Exposure Factor Datasets
Body Weight - Mean > 40 g Female Adult Richmond Field Station Not Reported Exposure Factor Datasets
Home Range 103 estimated by minimum area polygon m2 Male Adult Richmond Field Station Not Reported Exposure Factor Datasets
Home Range 68 estimated by minimum area polygon m2 Female Adult Richmond Field Station Not Reported Exposure Factor Datasets
Citation:

Microhabitat heterogeneity and population ecology of an herbivorous rodent, Microtus califonicus

Author(s)
Cockburn, A., and W. Z. Lidicker, Jr.
Pages
167-177
Year
Volume
59
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean range of mean values for 4 grids over 3 yrs 41.0 - 61.1 g Male Adult Russell Reservation, Berkeley 1 - 20 Exposure Factor Datasets
Body Weight - Mean range of mean values for 4 grids over 3 yrs 30.2 - 53.8 g Male Adult Russell Reservation, Berkeley 1 - 23 Exposure Factor Datasets
Body Weight - Mean range of mean values for 4 grids over 3 yrs 38.2-49.4 g Female Adult Russell Reservation, Berkeley 1 - 42 Exposure Factor Datasets
Body Weight - Mean range of mean values for 4 grids over 3 yrs 29.0 - 42.7 g Female Adult Russell Reservation, Berkeley 1 - 24 Exposure Factor Datasets
Citation:

Social organization and space use in Califonia voles: seasonal, sexual, and age-specific strategies

Author(s)
Salvioni, M. and W. Z. Lidicker
Pages
426-438
Year
Volume
101
Exposure Endpoint Type Endpoint Description Range Sex Life Cycle Stage Location Sample Size Type
Population Density range of low and high density yrs 5 - 618 Both Male and Female Not Reported Richmond Field Station Not Reported Exposure Factor Datasets
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
Age at Fledging, Metamorphosis, Weaning 21 d Both Male and Female Juvenile 24 Exposure Factor Datasets
Duration of Incubation or Gestation 3 wks Both Male and Female Adult 24 Exposure Factor Datasets
Clutches or Litters per year 0.5 litters per female per 12 wks 0.2 SE litters/12 wks Female Adult 24 Exposure Factor Datasets
Clutch or Litter Size 3.7 0.2 SE young/litter Female Adult 24 Exposure Factor Datasets
Clutch or Litter Size 3.7 0.3 SE young/litter Female Adult 12 Exposure Factor Datasets
Clutches or Litters per year 1.9 litters per female per 12 wks 0.2 SE litters/12 wks Female Adult 12 Exposure Factor Datasets
Body Fat (total or %) 0.45 g/g lean dry mass Both Male and Female Adult Not Reported Exposure Factor Datasets
Citation:

Viability of large- and small- sized adults in fluctuating vole populations

Author(s)
Boonstra, Rudy and Charles J. Krebs
Pages
567-573
Year
Issue
3
Volume
60
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Survival/ Mortality .574 minimum survival rate per 2 wks Male Adult Berkeley 8 breeding seasons (6 populations pooled) Exposure Factor Datasets
Survival/ Mortality .635 minimum survival rate per 2 wks Male Adult Berkeley 8 breeding seasons (6 populations pooled) Exposure Factor Datasets
Survival/ Mortality .739 minimum survival rate per 2 wks Female Adult Berkeley 7 breeding seasons (6 populations pooled) Exposure Factor Datasets
Survival/ Mortality .766 minimum survival rate per 2 wks Female Adult Berkeley 7 breeding seasons (6 populations pooled) 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 Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 4.17 0.2 SE 1-10 pups/litter Female Adult captured in Sonoma County, CA 220 Exposure Factor Datasets
Clutch or Litter Size 4.25 0.28 SE 1-10 pups/litter Female Adult captured in Contra Costa County, CA 65 Exposure Factor Datasets
Clutch or Litter Size 3.45 inhabiting perennial grassland enclosure 0.32 SE 1-7 pups/litter Female Adult captured in Sonoma County, CA 20 Exposure Factor Datasets
Clutch or Litter Size 5.23 inhabiting annual grassland enclosure 0.33 SE 1-10 pups/litter Female Adult captured in Contra Costa County, CA 42 Exposure Factor Datasets
Citation:

Condition and diet of cycling populations of the California Vole, Microtus californicus

Author(s)
Batzli, George O. and Frank A Pitelka
Pages
141-163
Year
Issue
1
Volume
52
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 3.4 mean; early growing season 0.9 (95%CI) pups/litter Female Adult Richmond Field Station 9 Exposure Factor Datasets
Clutch or Litter Size 5.2 mean; height of growing season 0.8 (95%CI) pups/litter Female Adult Richmond Field Station 13 Exposure Factor Datasets
Clutch or Litter Size 3.6 mean; dry season 0.7 (95%CI) pups/litter Female Adult Richmond Field Station 5 Exposure Factor Datasets
Clutch or Litter Size 3.0 mean; early growing season 0.8 (95%CI) pups/litter Female Adult Russell Reservation 11 Exposure Factor Datasets
Clutch or Litter Size 6.0 mean; height of growing season 1.3 (95%CI) pups/litter Female Adult Russell Reservation 4 Exposure Factor Datasets
Clutch or Litter Size 3.3 mean; dry season 1.1 (95%CI) pups/litter Female Adult Russell Reservation 6 Exposure Factor Datasets
Growth Rate change in body weight; instantaneous rate based on Brody 1945 0.4-3 %/d Both Male and Female Juvenile Richmond field station; Russell Reservation Not Reported Exposure Factor Datasets
Growth Rate change in body weight; instantaneous rate based on Brody 1945 0-1 %/d Both Male and Female Adult Richmond field station; Russell Reservation Not Reported Exposure Factor Datasets
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