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Exposure Endpoint Type | Endpoint Value | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 2.85 | 0.22 SE | 1.50-4.25 | kg | Male | Both Adults and Juveniles | Bearville study area; Itasca county | 15 animals | Exposure Factor Datasets |
Body Weight - Mean | 2.05 | 0.38 SE | 1.40-3.35 | kg | Male | Both Adults and Juveniles | Bearville study area; Itasca county | 5 animals | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 4.38 | 2.38 SD | pups/litter | Female | Adult | 48 females | Exposure Factor Datasets | ||
Clutch or Litter Size | 3.83 | 1.97 SD | pups/litter | Female | Juvenile | 29 females | Exposure Factor Datasets | ||
Age at Fledging, Metamorphosis, Weaning | 8 | 8-10 | weeks | Both Male and Female | Pup | 2-12 litters | Exposure Factor Datasets | ||
Longevity | 6 | years | Not Reported | Adult | Exposure Factor Datasets | ||||
Survival/ Mortality | 59.81 | mortality 0-2 months | % | Both Male and Female | Pup | 321 pups | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 63 | days | Both Male and Female | Embryo | 1 animal | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sample Size | Type |
---|---|---|---|---|---|
Dietary Composition | Fruit 26.7; mammals 19.6; insects 6.8; grasses, leaves, buds 10.8; Carrion 13.5; grains, nuts 11.3; garbage 6.8; earthworms 0.9; birds 1.9; reptiles, amphibians 1.4; crustaceans 0.3; mollusks trace | % by bulk; stomach analysis | % | 1067 animals | Exposure Factor Datasets |
Dietary Composition | insects 43.06; fruits 27.56; mammals 16.25; grains 8.69; Carrion 1.76; Birds 1.46; reptiles, amphibians 1.14. | frequency %; stomach and fecal analysis | % | 570 fecal analyses; 50 stomach analyses | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | newborn | 33.5-35.5 | g | Female | Neonate | 3 embryos | Exposure Factor Datasets | |
Clutch or Litter Size | 5.8 | examination of reproductive tract | 3-8 | embryos | Female | Neonate | 40 females | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | insects; % by volume; scat analysis | 53.5-70.1 | % | Not Reported | Not Reported | 952 scats | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | see citation | figure of monthly % food types in stomach contents | % | Not Reported | Adult | Los Banos (elev., 200-500') and Mendota (elev., 400-500') | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Longevity | maximum observed age | 5 -6 | yr | Not Reported | Adult | Panoche (elev., 1200') | Not Reported | Exposure Factor Datasets | |
Time of Hatching or Parturition | Mar. | Not Reported | Neonate | Panoche (elev., 1200') | Not Reported | Exposure Factor Datasets | |||
Home Range | 11 | "normal" home range estimated as area enclosed by points of capture | acres | Not Reported | Adult | Panoche (elev., 1200') | 240 squirrel trapped | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | 4 | g | Both Male and Female | Juvenile | Owens Valley, Big Pine (lat., 37^o11'N) | Not Reported | Exposure Factor Datasets |
Duration of Incubation or Gestation | 3 | wk | Female | Adult | Owens Valley, Big Pine (lat., 37^o11'N) | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | 17 | g | Both Male and Female | Juvenile | Owens Valley, Big Pine (lat., 37^o11'N) | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Longevity | 8.3 | mean length of life at study site | mo | Both Male and Female | Not Reported | Jacumba (elev., 988 m) | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Water Ingestion Rate | log10(WI) = 0.652log10(BW) - 0.549 | equation relating whole-animal water influx (WI) to body weight (BW, g); r^2 = 0.206 | ml water/d | Not Reported | Not Reported | Kelso Sand Dunes (elev., 830-840 m) [lat., 34^o53'30"N, long., 115^o40'20"W] | 4-9 per mo/15 mo | Exposure Factor Datasets |
Metabolic Rate | log10(L CO2/d) = 0.845log10(BW) - 1.005 | field metabolic rate; equation relating whole animal carbon dioxide production rates to body weight (BW, g); r^2=0.466 | L CO2/d | Not Reported | Not Reported | Kelso Sand Dunes (elev., 830-840 m) [lat., 34^o53'30"N, long., 115^o40'20"W] | 4-9 per mo/15 mo | Exposure Factor Datasets |
Dietary Composition | seed (77%); vegetation (18%); arthropod (4.5%); feces (0.5%) | % of total dry matter of stomach contents | % | Not Reported | Not Reported | Kelso Sand Dunes (elev., 830-840 m) [lat., 34^o53'30"N, long., 115^o40'20"W] | 4-9 per mo/15 mo | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2.02 | 1 - 3 | embryos/female | Female | Adult | Santa Rita Experimental Range, Tucson (elev., 3000-4000 ft) | Not Reported | Exposure Factor Datasets |
Home Range | 0.466 | acres | Male | Adult | Santa Rita Experimental Range, Tucson (elev., 3000-4000 ft) | Not Reported | Exposure Factor Datasets | |
Home Range | 0.373 | acres | Female | Adult | Santa Rita Experimental Range, Tucson (elev., 3000-4000 ft) | Not Reported | Exposure Factor Datasets | |
Home Range | 0.243 | acres | Both Male and Female | Juvenile | Santa Rita Experimental Range, Tucson (elev., 3000-4000 ft) | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Body Fat (total or %) | see citation | figure of seasonal changes in % body fat | % | Both Male and Female | Not Reported | Indian Cove, Joshua Tree National Monument | Not Reported | Exposure Factor Datasets |
Body Weight - Mean | see citation | figure of seasonal changes in weight | g | Both Male and Female | Not Reported | Indian Cove, Joshua Tree National Monument | Not Reported | Exposure Factor Datasets |
Food Ingestion Rate | see citation | figure of daily food intake | g/d | Female | Adult | captured in Clark County, NV | 4-16 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | range of 4 seasonal means | 36.4 - 40.5 | g | Not Reported | Not Reported | Indian Cove, Joshua Tree National Monument | 20-42/season | Exposure Factor Datasets |
Body Fat (total or %) | range of 4 seasonal means of fat content (% live weight) | 3.1 - 3.8 | % | Not Reported | Not Reported | Indian Cove, Joshua Tree National Monument | 20-42/season | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Growth Rate | see citation | figure of logistic growth curve for changes in body weight over time | Both Male and Female | Both Adults and Juveniles | Cave Creek Bajada, Cochise County (elev., 1330 m) | Not Reported | Exposure Factor Datasets | |
Age at Fledging, Metamorphosis, Weaning | < 1 | mo | Both Male and Female | Juvenile | Cave Creek Bajada, Cochise County (elev., 1330 m) | Not Reported | Exposure Factor Datasets | |
Clutch or Litter Size | 2 | estimated by palpation | young/litter | Female | Adult | Cave Creek Bajada, Cochise County (elev., 1330 m) | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 55.0 | 50.2 - 59.5 | g | Not Reported | Not Reported | 6 | Exposure Factor Datasets | |
Water Ingestion Rate | 5 - 10 | cc/24 hr | Not Reported | Not Reported | 4 | Exposure Factor Datasets | ||
Food Ingestion Rate | see citation | figure of % dog food or earthworms ingested/body weight over 20 d | Not Reported | Not Reported | 4 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Food Ingestion Rate | 22 | % body weight consumed/d | Both Male and Female | Juvenile | captured at Delta, Manitoba, Canada | 7 | Exposure Factor Datasets |