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Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 0.28 | mean density | #/ha | Both Male and Female | Both Adults and Juveniles | Portal, Cochise County (elev. 1330 m) | 74 | Exposure Factor Datasets |
Body Weight - Mean | 21.4 | g | Both Male and Female | Both Adults and Juveniles | Portal, Cochise County (elev. 1330m) | 74 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | late Nov. -late Apr. | Both Male and Female | Adult | Taylor, Williamson County | Not Reported | Exposure Factor Datasets | |
Clutches or Litters per year | 4 | litters/yr | Female | Adult | Taylor, Williamson County | 110 litters | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Home Range | 0.63 | 0.4 | 0.25-1.67 | acres | Male | Adult | Edwin S. George Reserve, University of Michigan | 70 | Exposure Factor Datasets |
Home Range | 0.51 | 0.4 | 0.12-2.29 | acres | Female | Adult | Edwin S. George Reserve, University of Michigan | 64 | Exposure Factor Datasets |
Home Range | 0.61 | 0.11 | 0.08-1.37 | acres | Male | Juvenile | Edwin S. George Reserve, University of Michigan | 10 | Exposure Factor Datasets |
Home Range | 0.64 | 0.9 | 0.17-0.99 | acres | Female | Juvenile | Edwin S. George Reserve, University of Michigan | 9 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Metabolic Rate | 0.1767 | maximal oxygen consumption during exercise | 0.0226 SD | ml/g/min | Not Reported | Adult | 179 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Home Range | 0.43 | 0.14 - 1.03 | acres | Female | Adult | Consolidation Coal Company test pit, Roundup | 12 | Exposure Factor Datasets |
Home Range | 0.35 | acres | Female | Juvenile | Consolidation Coal Company test pit, Roundup | 8 | Exposure Factor Datasets | |
Home Range | 0.51 | 0.14 - 1.30 | acres | Male | Adult | Consolidation Coal Company test pit, Roundup | 8 | Exposure Factor Datasets |
Home Range | 1.03 | acres | Male | Adult | Consolidation Coal Company test pit, Roundup | 5 | Exposure Factor Datasets | |
Home Range | 0.25 | acres | Male | Juvenile | Consolidation Coal Company test pit, Roundup | 4 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|---|
Home Range | 0.02 | area of subniven runway systems | 1.02 SE | 0.005 - 0.05 | ha | Male | Adult | eastern slope, Colorado Rocky Mountains (elev., 3120 m) | 5 | Exposure Factor Datasets |
Home Range | 0.01 | area of subniven runway systems | 0.36 SE | 0.005 - 0.03 | ha | Female | Adult | eastern slope, Colorado Rocky Mountains (elev., 3120 m) | 5 | Exposure Factor Datasets |
Home Range | 0.03 | 0.54 SE | 0.003 - 0.08 | ha | Male | Adult | eastern slope, Colorado Rocky Mountains (elev., 3120 m) | 18 | Exposure Factor Datasets | |
Home Range | 0.02 | 0.55 SE | 0.008 - 0.06 | ha | Female | Adult | eastern slope, Colorado Rocky Mountains (elev., 3120 m) | 9 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Home Range | 31 | mean distance of feeding or exploratory records from center of activity | m | Both Male and Female | Adult | Missoula | 10 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 7.93 | mean density | #/ha | Both Male and Female | Both Adults and Juveniles | Portal, Cochise County (elev. 1330 m) | 968 | Exposure Factor Datasets |
Body Weight - Mean | 42.8 | g | Both Male and Female | Both Adults and Juveniles | Portal, Cochise County (elev. 1330 m) | 968 | Exposure Factor Datasets |
Exposure Endpoint Type | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Population Density | 0.4-9.2 | #/acre | Not Reported | Adult | Edwin S. George Reserve, University of Michigan | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Home Range | 17.3 | average distance moved between recaptures | 2.5 - 63.7 | ft | Female | Adult | Pinehurst Madrone Grove Park | 13 | Exposure Factor Datasets |
Home Range | 32.8 | average distance moved between recaptures | 5.2 - 106.6 | ft | Male | Adult | Pinehurst Madrone Grove Park | 17 | Exposure Factor Datasets |
Population Density | estimated maximum density | 170 - 200 | #/acre | Both Male and Female | Adult | Pinehurst Madrone Grove Park | 25 | Exposure Factor Datasets | |
Population Density | estimated maximum density | 600 - 700 | #/acre | Both Male and Female | Both Adults and Juveniles | Pinehurst Madrone Grove Park | Not Reported | Exposure Factor Datasets | |
Clutches or Litters per year | 1 | clutch/yr | Female | Adult | Pinehurst Madrone Grove Park | Not Reported | Exposure Factor Datasets | ||
Clutch or Litter Size | 11 | # large ovarian eggs/female | 8 - 17 | #/clutch | Female | Adult | Pinehurst Madrone Grove Park | 26 | Exposure Factor Datasets |
Growth Rate | see citation | figure of growth rates based on changes in snout-vent length | Both Male and Female | Juvenile | Pinehurst Madrone Grove Park | Not Reported | Exposure Factor Datasets | ||
Longevity | range of oldest individuals recorded | 6 - 8 | yrs | Both Male and Female | Adult | Pinehurst Madrone Grove Park | 3 | Exposure Factor Datasets | |
Age at Sexual Maturity | 3 - 4 | yrs | Both Male and Female | Adult | Pinehurst Madrone Grove Park | Not Reported | Exposure Factor Datasets | ||
Dietary Composition | earthworm (1); sowbugs (14); amphipod (1); centipede (1); millipede (4); spiders (6); springtail (1); thysanuran (1); camel crickets (15); lepidopterous larva (1); dipteran (1); beetles (5); ant (1) | number of each food item in stomachs | # | Not Reported | Both Adults and Juveniles | Pinehurst Madrone Grove Park | 27 | Exposure Factor Datasets | |
Body Weight - Mean | 6 | 5 - 7 | g | Both Male and Female | Adult | Pinehurst Madrone Grove Park | 9 | Exposure Factor Datasets | |
Duration of Incubation or Gestation | 4 - 5 | mo | Female | Adult | Pinehurst Madrone Grove Park | Not Reported | Exposure Factor Datasets | ||
Time of Mating/ Laying | late spring - early summer | time of laying | Female | Adult | Pinehurst Madrone Grove Park | Not Reported | Exposure Factor Datasets | ||
Time of Mating/ Laying | Oct. - Mar. | time of breeding | Both Male and Female | Adult | Pinehurst Madrone Grove Park | Not Reported | Exposure Factor Datasets | ||
Time of Hatching or Parturition | fall - early winter | Not Reported | Embryo | Pinehurst Madrone Grove Park | Not Reported | Exposure Factor Datasets | |||
Dietary Composition | sowbug (1); centipede (1); millipede (6); spiders (7); wood ticks (2); scavenger mite (1); solpugid (1); springtails (5); worker termites (15); hemipteran (1); fly (1); beetles (11); ants (2) | number of each food item in stomachs | # | Not Reported | Both Adults and Juveniles | Madelia Canyon | 8 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 6.2 | based on embryo counts | 4 - 7 | #/litter | Female | Adult | Grand Teton National Park | 9 | Exposure Factor Datasets |
Dietary Composition | green plant materials (3.0%); seed fragments (7.0%); arthropods (48.0%); other animal tissue (8.0%); unidentified (33%) | % volume of stomach contents | % | Both Male and Female | Both Adults and Juveniles | Grand Teton National Park | 39 | Exposure Factor Datasets |