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Microtus californicus

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 Range Units Sex Life Cycle Stage Location Sample Size Type
Growth Rate change in body weight; instantaneous rated based on Brody 1945 0-0.4 %/d Male Adult Richmond field station; Russell Reservation Not Reported Exposure Factor Datasets
Dietary Composition grass heads (1.3%); grass leaves (78.9%); grass stems (9.2%); grass roots (0.3%); Forb leaves (9.3%); Forb stems (0.4%); Forb roots (0.1%); Vole hair (0.4%) composition of stomach contents % Not Reported Not Reported Richmond Field Station 750 items/15 voles Exposure Factor Datasets
Dietary Composition grass heads (72.6%); grass leaves (4.2%); grass stems (2.0%); grass roots (0.4%); Forb leaves (15.4%); Forb stems (2.6%); Forb roots (2.0%); vole hair (0.8%) composition of stomach contents % Not Reported Not Reported Richmond Field Station 500 items/10 voles Exposure Factor Datasets
Citation:

Territoriality and mating system of California voles

Author(s)
Ostfeld, Richard S.
Pages
691-706
Year
Volume
55
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density range in mean density for 2 yr 45 - 374 #/ha Both Male and Female Adult Richmond Field Station Exposure Factor Datasets
Home Range range in home range (minimum area probability, 0.95) over 2 yrs 85 - 116 m2 Female Adult Richmond Field Station 7/yr Exposure Factor Datasets
Home Range range in home range (minimum area probability, 0.95) over 2 yrs 128 - 231 m2 Male Adult Richmond Field Station 4-7/yr Exposure Factor Datasets
Home Range 87.5 estimated by minimum area probability (0.95) method 1.5 SE m2 Male Adult Richmond Field Station 2 Exposure Factor Datasets
Citation:

Analysis of two freely-growing enclosed populations of the California vole

Author(s)
Lidicker, William Z.
Pages
447-466
Year
Issue
3
Volume
60
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Sample Size Type
Clutch or Litter Size 2-9 pups/litter Female Adult 35 females Exposure Factor Datasets
Body Weight - Mean range of means measured in voles in enclosures in different seasons 32.4 - 78.7 g Male Adult 5-35/sample Exposure Factor Datasets
Body Weight - Mean range of means measured in voles in enclosures in different seasons 35.3 - 75.8 g Female Adult 5-45/sample Exposure Factor Datasets

Dicamptodon tenebrosus

Citation:

Comparative food habits of four species of stream-dwelling vertebrates (Dicamptodon ensatus, D. copei, Cottus tenuis, Salmo gairdneri)

Author(s)
Antonelli, Arthur L., Ronald A. Nussbaum and Stamford D. Smith
Pages
277-289
Year
Issue
4
Volume
46
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Dietary Composition see citation monthly % of gut content samples in which organism occurred (n=38 diet items) Not Reported Not Reported Maratta Creek, Cowlitz County 3-34/mo Exposure Factor Datasets

Pseudacris regilla

Citation:

Metabolic and morphological adaptation to heterogenous environments of the Pacific tree toad, Hyla regilla

Author(s)
Jameson, David L., William Taylor and John Mountjoy
Pages
75-89
Year
Volume
24
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Metabolic Rate range of mean oxygen consumption rates measured at 20C 0.304 - 0.524 mm3 O2/g/hr Both Male and Female Not Reported captured in San Diego, Julian and Willows, CA 7/location and sex Exposure Factor Datasets
Body Weight - Mean 2.27 g Both Male and Female Adult 90 Exposure Factor Datasets

Eumeces skiltonianus

Citation:

Variation in clutch and litter size in New World reptiles

Author(s)
Fitch, Henry S.
Pages
28
Year
Volume
76
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Type
Clutch or Litter Size 4.7 eggs/clutch Female Adult 6 Exposure Factor Datasets
Citation:

Clutch and egg size in several species of lizards from the desert southwest

Author(s)
Punzo, Fred
Pages
414-417
Year
Volume
16
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Sample Size Type
Clutch or Litter Size 4.7 based on oviducal egg counts 3 - 6 eggs/clutch Female Adult 6 Exposure Factor Datasets
Body Weight - Mean 11.275 mean snout-vent length = 78.7mm 2.443SD g Female Adult 6 Exposure Factor Datasets
Body Weight - Mean 0.669 egg weight 0.042SD g Not Reported Embryo 6 Exposure Factor Datasets
Citation:

A taxonomic and ecological study of the western skink (Eumeces skiltonianus)

Author(s)
Tanner, Wilmer W.
Pages
59-94
Year
Volume
17
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Sample Size Type
Time of Mating/ Laying May-June time of breeding Both Male and Female Adult Not Reported Exposure Factor Datasets
Time of Hatching or Parturition July - Aug. Not Reported Hatchling Not Reported Exposure Factor Datasets
Clutch or Litter Size 2 - 5 eggs/clutch Female Adult 8 clutches Exposure Factor Datasets
Age at Sexual Maturity 2 yrs Both Male and Female Adult Not Reported Exposure Factor Datasets

Anaxyrus californicus

Citation:

Observations on the natural history of the California toad, Bufo californicus Camp

Author(s)
Cunningham, John D.
Pages
255-260
Year
Volume
17
Exposure Endpoint Type Endpoint Value Sex Life Cycle Stage Location Sample Size Type
Time of Fledging or Metamorphosis June - July Not Reported Tadpole Mojave River Not Reported Exposure Factor Datasets

Thamnophis gigas

Citation:

Thamnophis gigas (Giant Garter snake) reproduction

Author(s)
Hansen, Robert W. and George E. Hansen
Pages
93-94
Year
Volume
21
Exposure Endpoint Type Endpoint Value Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 23.1 10 - 46 eggs/clutch Female Adult captured in Fresno and Sacramento counties, CA 18 Exposure Factor Datasets

Thamnophis sirtalis ssp. tetrataenia

Citation:

Captive reproduction of the San Francisco garter snake, Thamnophis sirtalis tetrataenia

Author(s)
Cover, John F., Jr. and Donal M. Boyer
Pages
29-33
Year
Volume
19
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Duration of Incubation or Gestation 79 - 98 d Female Adult Dallas and Fort Worth Zoos, TX 6 Exposure Factor Datasets
Age at Sexual Maturity 1 yr, 273d yr,d Female Adult Dallas and Ft. Worth Zoos 1 Exposure Factor Datasets
Body Weight - Mean range of means from 6 breedings 2.0 - 3.2 g Not Reported Neonate Dallas and Ft. Worth Zoos 6 groups of young Exposure Factor Datasets
Clutch or Litter Size 17 9 - 25 young/female Female Adult Dallas and Ft. Worth Zoos 6 Exposure Factor Datasets
Body Weight - Mean 43.1 - 104.8 g Male Adult Dallas and Ft. Worth Zoos 5 Exposure Factor Datasets
Body Weight - Mean 82.3 - 279.5 g Female Adult Dallas and Ft. Worth Zoos 6 Exposure Factor Datasets
Citation:

Mating aggregations of garter snakes

Author(s)
Fox, Wade
Pages
176
Year
Volume
11
Exposure Endpoint Type Endpoint Value Sex Life Cycle Stage Location Sample Size Type
Time of Mating/ Laying Oct. - Nov. Both Male and Female Adult San Francisco Peninsula 2 mating masses Exposure Factor Datasets

Masticophis lateralis

Citation:

Reproduction in the striped racer, Masticophis lateralis

Author(s)
Goldberg, Stephen R.
Pages
361-363
Year
Volume
9
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Sample Size Type
Clutch or Litter Size 7.21 based on oviducal egg count 6 - 11 eggs/female Female Adult 19 Exposure Factor Datasets

Masticophis lateralis ssp. euryxanthus

Citation:

Observations on the reproduction, courtship, and aggressive behavior of the striped racer, Masticophis lateralis euryxanthus (Reptilia, Serpentes, Columbridae)

Author(s)
Hammerson, Geoffrey A.
Pages
253-255
Year
Volume
12
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Time of Mating/ Laying May time of mating Both Male and Female Adult outdoor enclosures, Hayward, CA 4 Exposure Factor Datasets
Clutch or Litter Size 6 - 10 eggs/female Female Adult outdoor enclosures, Hayward, CA 2 Exposure Factor Datasets
Duration of Incubation or Gestation time from mating to egg laying 47 - 55 d Female Adult outdoor enclosures, Hayward, CA 2 Exposure Factor Datasets
Body Weight - Mean egg weight 7.50 - 8.10 g Not Reported Embryo outdoor enclosures, Hayward, CA 10 Exposure Factor Datasets

Thamnophis sirtalis ssp. parietalis

Citation:

Sex and seasonal differences in metabolism in the red-sided garter snake, Thamnophis sirtalis parietalis

Author(s)
Crews, David, Mark Grassman, William R. Garstka, Andrew Halpert and Brian Camazine
Pages
2362-2368
Year
Volume
65
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Sample Size Type
Body Weight - Mean range of means 32.42 - 42.50 g Male Adult 5 animals/6 sampling dates Exposure Factor Datasets
Metabolic Rate see citation figure of resting oxygen consumption ml O2/g/hr Both Male and Female Adult 5-10 Exposure Factor Datasets

Masticophis lateralis ssp. lateralis

Citation:

Reproduction and food of some California snakes

Author(s)
Cunningham, John D.
Pages
17-19
Year
Volume
15
Exposure Endpoint Type Range Units Sex Life Cycle Stage Sample Size Type
Clutch or Litter Size 6 - 7 eggs/female Female Adult 4 Exposure Factor Datasets

Masticophis lateralis, Thamnophis sirtalis

Citation:

Reproduction and food of some California snakes

Author(s)
Cunningham, John D.
Pages
17-19
Year
Volume
15
Exposure Endpoint Type Range Units Sex Life Cycle Stage Sample Size Type
Clutch or Litter Size 4 - 29 eggs/female Female Adult 5 Exposure Factor Datasets

Thamnophis sirtalis ssp. fitchi

Citation:

Variation in clutch and litter size in New World reptiles

Author(s)
Fitch, Henry S.
Pages
28
Year
Volume
76
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Sample Size Type
Clutch or Litter Size 11.32 based on embryo count 0.98 5 - 23 eggs/litter Female Adult 22 Exposure Factor Datasets
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