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Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Longevity | > 8 | lifespan in captivity | yrs | Not Reported | Adult | captured in Kern County, CA | 1 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|
Longevity | 8.3 | maximum lifespan in captivity | yrs | Both Male and Female | Adult | 216 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | 18 | d | Not Reported | Juvenile | 26 | Exposure Factor Datasets | |
Growth Rate | see citation | figure of body weight at various ages (0 - 60 d) with calculated instantaneous growth rates | g | Not Reported | Juvenile | 26 | Exposure Factor Datasets |
Body Weight - Mean | 1.3 | weight at birth | g | Not Reported | Neonate | 26 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Home Range | 19.0 | home range expressed as "sigma" (radius within which the probability of an animal being present is 39%) | m | Both Male and Female | Not Reported | U.S. Atomic Energy Commission, Nevada Test Site | 4 sampling periods | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | see citation | monthly % volume of food items (detailed species-specific list) in feces | % | Both Male and Female | Not Reported | Irvine Ranch | 3 - 26/mo | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Home Range | 37.3 | home range expressed as "sigma" (radius within which the probability of an animal being present is 39%) | m | Both Male and Female | Not Reported | U.S. Atomic Energy Commission, Nevada Test Site | 9 sampling periods | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | see citation | monthly % volume of food items (detailed species-specific list) in feces | % | Both Male and Female | Not Reported | Irvine Ranch | 15-47/mo | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 4.50 | 1.29 SD | 3 - 6 | #/litter | Female | Adult | Pinyon-juniper zone near Westgard Pass (elev., 2500 m) | 4 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|
Population Density | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Home Range | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|---|
Time of Hatching or Parturition | May - Aug. | Female | Adult | Kananaskis Valley, Alberta [lat., 51 N] | Not Reported | Exposure Factor Datasets | ||||
Growth Rate | 0.27 | difference in weight of newly emerged young between 1st and 2nd capture/ time interval (4-11d) | 0.06 SE | g/d | Male | Juvenile | Kananaskis Valley, Alberta [lat., 51 N] | 31 | Exposure Factor Datasets | |
Growth Rate | 0.22 | difference in weight of newly emerged young between 1st and 2nd capture/ time interval (4-11d) | 0.05 SE | g/d | Female | Juvenile | Kananaskis Valley, Alberta [lat., 51 N] | 30 | Exposure Factor Datasets | |
Survival/ Mortality | 67 | over-winter survival | % | Female | Adult | Kananaskis Valley, Alberta [lat., 51 N] | 6 | Exposure Factor Datasets | ||
Survival/ Mortality | 30 | over winter survival | 18 - 47 | % | Male | Juvenile | Kananaskis Valley, Alberta [lat., 51 N] | 30 | Exposure Factor Datasets | |
Survival/ Mortality | 44 | over winter survival | 14 - 67 | % | Female | Juvenile | Kananaskis Valley, Alberta [lat., 51 N] | 34 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Home Range | 1615 | elliptical home range based on distribution of capture points | m2 | Female | Both Adults and Juveniles | Douglas fir forest, Vancouver | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 512.4 | 91.9 - 942.4 | g | Male | Not Reported | Hastings Natural History Reservation | 397 | Exposure Factor Datasets | |
Body Weight - Mean | 397.3 | 106.9 - 806.2 | g | Female | Not Reported | Hastings Natural History Reservation | 373 | Exposure Factor Datasets | |
Clutch or Litter Size | 7.5 | estimated from embryo or embryo scar counts | 5 - 12 | young/litter | Female | Adult | Hastings Natural History Reservation | 40 | Exposure Factor Datasets |
Longevity | 5 | longest record of lifespan | yrs | Male | Adult | Hastings Natural History Reservation | Not Reported | Exposure Factor Datasets | |
Time of Molt | June | molt of juvenile or adult pelage | Both Male and Female | Both Adults and Juveniles | Hastings Natural History Reservation | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 677 | 113.5 | 480 - 1009 | g | Male | Adult | Davis and Dixon | 61 | Exposure Factor Datasets | |
Body Weight - Mean | 516 | 104.5 | 321-892 | g | Female | Adult | Davis and Dixon | 112 | Exposure Factor Datasets | |
Body Weight - Mean | 528 | referred to as "young males" | 208.7 | 74 - 885 | g | Male | Juvenile | Davis and Dixon | 124 | Exposure Factor Datasets |
Body Weight - Mean | 373 | referred to as "young females" | 150.5 | 99 - 686 | g | Female | Juvenile | Davis and Dixon | 115 | Exposure Factor Datasets |
Time of Mating/ Laying | Mar. - Apr. | Both Male and Female | Adult | Davis and Dixon | Not Reported | Exposure Factor Datasets | ||||
Clutch or Litter Size | 6.09 | based on embryo and placental scar counts | 1 - 9 | young/litter | Female | Adult | Davis and Dixon | 148 | Exposure Factor Datasets | |
Body Weight - Mean | 9.3 | 7.7 - 12.6 | g | Both Male and Female | 34 | Exposure Factor Datasets | ||||
Body Weight - Mean | 64.2 | 20.0 - 106.0 | g | Both Male and Female | 22 | Exposure Factor Datasets | ||||
Body Weight - Mean | 163.4 | 115.0 - 229.0 | g | Both Male and Female | 13 | Exposure Factor Datasets | ||||
Growth Rate | see citation | figure of body weight changes over time | g/d | Both Male and Female | 6 litters | Exposure Factor Datasets |
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 |
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 |