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Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Population Density | 18.7 | #/ha | Not Reported | Not Reported | McDonough County | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Time of Torpor or Hibernation | Nov. - Apr. | Not Reported | Not Reported | Winnepeg, Manitoba | Not Reported | Exposure Factor Datasets | |||
Time of Mating/ Laying | Apr. - May | time of breeding | Both Male and Female | Adult | Winnepeg, Manitoba | Not Reported | Exposure Factor Datasets | ||
Body Weight - Mean | range of monthly mean weights | 17.8 - 48.7 | g | Both Male and Female | Adult | Winnepeg, Manitoba | 10-16/mo | Exposure Factor Datasets | |
Body Fat (total or %) | % ether-extractable lipids of total body weight (wet wt) | 1.5 - 7.1 | % | Both Male and Female | Adult | Winnepeg, Manitoba | 10-16/mo | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Feb. - Apr. | time of breeding | Both Male and Female | Adult | Willamette Valley | Not Reported | Exposure Factor Datasets | ||
Time of Hatching or Parturition | late July - early Sept. | Both Male and Female | Embryo | Willamette Valley | Not Reported | Exposure Factor Datasets | |||
Duration of Incubation or Gestation | 90 | d | Female | Adult | Willamette Valley | Not Reported | Exposure Factor Datasets | ||
Age at Sexual Maturity | 1 | yr | Male | Adult | Willamette Valley | Not Reported | Exposure Factor Datasets | ||
Age at Sexual Maturity | 2 | yr | Female | Adult | Willamette Valley | Not Reported | Exposure Factor Datasets | ||
Clutch or Litter Size | 8.2 | determined by palpation | 5 - 23 | young/litter | Female | Adult | Willamette Valley | 18 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Growth Rate | increase in body mass on earthworm or mosquitofish diets | 0.017 - 0.025 | g/d | Not Reported | Juvenile | captive-born to female from Humboldt County | 13 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 5.2 | 4 - 7 | young/litter | Female | Adult | Kesterson | 4 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | range of mean monthly weights | 4.17 - 5.86 | g | Male | Adult | San Francisco Bay region | 3-10/mo | Exposure Factor Datasets | |
Body Weight - Mean | range of mean monthly weights | 4.25 - 5.3 | g | Female | Adult | San Francisco Bay region | 1-15/mo | Exposure Factor Datasets | |
Body Weight - Mean | range of mean monthly weights | 3.0 - 4.75 | g | Both Male and Female | Juvenile | San Francisco Bay region | 1-7/mo | Exposure Factor Datasets | |
Longevity | maximum recorded lifespan | 16 - 18 | mo | Not Reported | Adult | San Francisco Bay region | Not Reported | Exposure Factor Datasets | |
Duration of Incubation or Gestation | 21 | d | Female | Adult | San Francisco Bay region | Not Reported | Exposure Factor Datasets | ||
Time of Mating/ Laying | spring | time of breeding | Both Male and Female | Adult | San Francisco Bay region | 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 | 0.5 | g | Not Reported | Neonate | captured at San Pable and Suisun Bay | Not Reported | Exposure Factor Datasets | |||
Body Weight - Mean | range of mean weights during 3 seasons | 5.0 - 6.4 | g | Both Male and Female | Adult | captured at Suisun and San Pablo Bay | 9-22/season | Exposure Factor Datasets | ||
Metabolic Rate | range of mean minimal metabolic rates at 20C | 5.8 - 9.4 | cc O2/g/hr | Both Male and Female | Adult | captured at Suisun and San Pablo Bay | 9-22/season | Exposure Factor Datasets | ||
Body Weight - Mean | 3.7 | 0.3 | g | Both Male and Female | Juvenile | captured at Suisun and San Pablo Bay | 7 | Exposure Factor Datasets | ||
Metabolic Rate | 9.5 | minimal metabolic rate at 20C | 5.7 | cc O2/g/hr | Both Male and Female | Juvenile | captured at Suisun and San Pablo Bay | 7 | Exposure Factor Datasets | |
Metabolic Rate | range of mean maximal metabolic rates at 20C | 8.8 - 12.4 | cc O2/g/hr | Both Male and Female | Adult | captured at Suisun and San Pablo Bay | 9-22/season | Exposure Factor Datasets |
Exposure Endpoint Type | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2 - 3 | young/litter | Female | Adult | Volta and Kesterson | 2 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Error | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | 8.8 | eggs/clutch | Female | Adult | 38 | Exposure Factor Datasets | |
Body Weight - Mean | 33.5 | 6 SE | g | Both Male and Female | Juvenile | 68 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Townsend ground squirrel (10.6%); Mountain conttontail (11.6%); Deer mouse (43.3%); Ord kangaroo rat (5.8%); Great Basin pocket mouse (5.8%); Montane vole (9.6%); House mouse (6.7%); Other species (6.7%) | % frequency of prey based on stomach contents and scats | % | Not Reported | Not Reported | Snake River Birds of Prey Area, southwestern ID | 104 prey items/455 snakes | Exposure Factor Datasets | ||
Dietary Composition | Townsend ground squirrel (30.3%); Mountain conttontail (34.4%); Deer mouse (15.8%); Ord kangaroo rat (5.9%); Great Basin pocket mouse (1.7%); Montane vole (5.6%); House mouse (2.2%); Other species (4.1%) | % biomass of prey based on stomach contents and scat analysis | % | Not Reported | Not Reported | Snake River Birds of Prey Area, southwestern ID | 104 prey items/455 snakes | Exposure Factor Datasets | ||
Time of Torpor or Hibernation | Oct. - Apr. | Not Reported | Not Reported | Snake River Birds of Prey Area, southwestern ID | 455 | Exposure Factor Datasets | ||||
Body Weight - Mean | 11.5 | 0.3 SD | g | Both Male and Female | Neonate | Snake River Birds of Prey Area, southwestern ID | 9 | Exposure Factor Datasets | ||
Body Weight - Mean | 45.0 | 38.9 SD | g | Male | Juvenile | Snake River Birds of Prey Area, southwestern ID | 44 | Exposure Factor Datasets | ||
Body Weight - Mean | 59.8 | 43.0 SD | g | Female | Juvenile | Snake River Birds of Prey Area, southwestern ID | 59 | Exposure Factor Datasets | ||
Body Weight - Mean | 238.4 | 101.5 SD | g | Male | Adult | Snake River Birds of Prey Area, southwestern ID | 231 | Exposure Factor Datasets | ||
Body Weight - Mean | 267.9 | 123.0 SD | g | Female | Adult | Snake River Birds of Prey Area, southwestern ID | 90 | Exposure Factor Datasets | ||
Clutch or Litter Size | 6.9 | 2.10 SD | 3 - 11 | eggs/clutch | Female | Adult | Snake River Birds of Prey Area, southwestern ID | 20 | Exposure Factor Datasets | |
Time of Hatching or Parturition | Oct. | Not Reported | Hatchling | Snake River Birds of Prey Area, southwestern ID | Not Reported | Exposure Factor Datasets | ||||
Time of Mating/ Laying | June - July | time of laying | Female | Adult | Snake River Birds of Prey Area, southwestern ID | Not Reported | Exposure Factor Datasets | |||
Duration of Incubation or Gestation | 125 | d | Female | Adult | Snake River Birds of Prey Area, southwestern ID | Not Reported | Exposure Factor Datasets |