Rodents (Rodentia)
Deer Mouse (Peromyscus maniculatus ssp. borealis)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 23.9 | g | Female | Adult | 8 | captured in Lethbridge, Alberta | Exposure Factor Datasets | lactating (end) | 0.47 SE | Laboratory |
| Clutch or Litter Size | #/litter | Female | Adult | 8 | captured in Lethbridge, Alberta | Exposure Factor Datasets | Laboratory |
Deer Mouse (Peromyscus maniculatus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | g | Male | Adult | 4 | animals placed in cages in forest near Lethbridge, Alberta | Exposure Factor Datasets | CANADA | ||||
| Metabolic Rate | 5.76 | average daily metabolic rate estimated as oxygen consumption at -17.7C | ml O2/g/hr | Male | Adult | 4 | animals placed in cages in forest near Lethbridge, Alberta | Exposure Factor Datasets | CANADA | 0.22 SE | |
| Metabolic Rate | 4.26 | average daily metabolic rate estimated by oxygen consumption at 14.45C | ml O2/g/hr | Male | Adult | 4 | animals placed in cages in forest near Lethbridge, Alberta | Exposure Factor Datasets | CANADA | 0.3 SE | |
| Metabolic Rate | 3.12 | average daily metabolic rate estimated as oxygen consumption at 20.6C | ml O2/g/hr | Male | Adult | 4 | Exposure Factor Datasets | 0.14 SE | Laboratory | ||
| Metabolic Rate | 4.67 | average resting metabolic rate estimated as oxygen consumption at -17.7C | ml O2/g/hr | Male | Adult | 4 | animals placed in cages in forest near Lethbridge, Alberta | Exposure Factor Datasets | CANADA | 0.12 SE | |
| Metabolic Rate | 3.21 | average resting metabolic rate estimated as oxygen consumption at 14.45C | ml O2/g/hr | Male | Adult | 4 | animals placed in cages in forest near Lethbridge, Alberta | Exposure Factor Datasets | CANADA | 0.10 SE | |
| Metabolic Rate | 2.66 | average resting metabolic rate estimated as oxygen consumption at 20.6C | ml O2/g/hr | Male | Adult | 4 | animals placed in cages in forest near Lethbridge, Alberta | Exposure Factor Datasets | CANADA | 0.08 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 2.70 | Mean measured as CO2 production at 24C, converted to O2 consumption by 0.8 R.Q. | ml 02/g/hr | Both Male and Female | Adult | 6 | Exposure Factor Datasets | Resting | 0.07 SE | Laboratory | |
| Metabolic Rate | 1.71 | Also termed "fasted metabolism", average body weight after 24 hr fast = 18.2 g +/- 0.6 SE | ml 02/g/hr | Not Reported | Adult | 6 | Exposure Factor Datasets | Basal, fasted 24 hr | 0.12 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of mean body weights measured over 3 years | g | Both Male and Female | Both Adults and Juveniles | 144-164 | Rabbit Ears Pass, subalpine meadows (elev., 3020 m) | Exposure Factor Datasets | |
| Population Density | range of mean densities measured over 3 years | #/acre | Both Male and Female | Both Adults and Juveniles | Not Reported | Rabbit Ears Pass, subalpine meadows (3020 m) | Exposure Factor Datasets | |
| Dietary Composition | seeds (57.2-60.3 %), arthropods (13.0-21.8 %), cutworms (9.4-13.2%), flowers (1.1-4.5 %), leaves (1.9-8.2 %), fruit (1.0%), fungus (5.4%) | dietary composition based on stomach content analysis over two years | Both Male and Female | Both Adults and Juveniles | 81-159 | Rabbit Ears Pass, subalpine meadows (3020 m) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Condition | Error |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 16.9 | g | Both Male and Female | Adult | 23 | Blue Lake, 75 long., 95 lat. |
Exposure Factor Datasets | 2 years | Alpine | Breeding | 0.32 |
| Body Weight - Mean | 3.2 | g | Adult, Neonate | 47 | Blue Lake, 75 long., 95 lat. |
Exposure Factor Datasets | 0-1 day | Alpine | 0.06 |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | 5 | minimum density | #/ha | Both Male and Female | Both Adults and Juveniles | Not Reported | Suaeda habitat, Santa Barbara Island [lat.,33^o29' N, long., 119^o02' W] | Exposure Factor Datasets |
| Population Density | 2 | Minimum density | #/ha | Both Male and Female | Both Adults and Juveniles | Not Reported | grassland habitat, Santa Barbara Island [lat.,33^o29' N, long., 119^o02' W] | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 17.6 | g | Both Male and Female | Adult | 20 | White Mountain Research Station (elev., 3800 m) | Exposure Factor Datasets | Inyo, Mono | 2.91 SD |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 5.27 | mean litter size based upon number of visible embryos | #/litter | Female | Adult | 77 | Gunnison County and Saquache County, (elev., 8500 - 9300 ft.) | Exposure Factor Datasets | 0.13 |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4.7 | litter size estimated from counts of uterine scars and embryos | #/litter | Female | Adult | 6 | salt marsh, San Pablo and San Francisco Bays | Exposure Factor Datasets | 0.7 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | range of means for 3 trapping periods | #/acre | Both Male and Female | Both Adults and Juveniles | 3 trapping periods | Lake Tahoe, near Myers (elev., 6225 ft) | Exposure Factor Datasets | |
| Time of Mating/ Laying | Apr. - Dec. | Both Male and Female | Adult | Not Reported | Bass Lake (elev., 4500 ft.) | Exposure Factor Datasets | ||
| Home Range | 0.24 | acres | Male | Adult | 29 | Bass Lake (elev., 4500 ft.) | Exposure Factor Datasets | |
| Home Range | 0.21 | acres | Female | Adult | 27 | Bass Lake (elev., 4500 ft.) | Exposure Factor Datasets | |
| Home Range | 0.13 | acres | Male | Juvenile | 10 | Bass Lake (elev., 4500 ft.) | Exposure Factor Datasets | |
| Home Range | 0.12 | acres | Female | Juvenile | 12 | Bass Lake (elev., 4500 ft.) | Exposure Factor Datasets | |
| Population Density | range of means for 4 trapping periods | #/acre | Both Male and Female | Both Adults and Juveniles | 4 trapping periods | Bass Lake (elev., 4500 ft.) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | basal metabolic rate measured as oxygen consumption at 26 - 29C; body weight range = 15.2 - 17.1g | cc O2/g/hr | Male | Adult | 2 | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | based on presence of recent corpora lutea; ages inferred from body weights | d | Female | Adult | 1546 | western slope of Sierra Nevada (elev., 3500-5000 ft.) | Exposure Factor Datasets | Plumas | ||
| Age at Sexual Maturity | based on presence of swollen tubules of cauda epididymides and enlarged seminal vesicles, ages inferred from body weights | d | Male | Adult | 1546 | western slope of Sierra Nevada (elev., 3500-5000 ft.) | Exposure Factor Datasets | Plumas | ||
| Clutch or Litter Size | 4.6 | based on # of implanted embryos; monthly means (Mar. - Nov.) ranged from 4.0 - 5.7 | #/litter | Female | Adult | 96 | western slope of Sierra Nevada (elev., 3500-5000 ft.) | Exposure Factor Datasets | Plumas | 0.11 SE |
| Time of Mating/ Laying | Feb. - Mar. (begin), Mar. - May (peak), July - Aug. (possible 2nd peak), Aug. - Dec. (end) | based on % fecund specimens | Both Male and Female | Adult | 1546 | western slope of Sierra Nevada (elev., 3500-5000 ft.) | Exposure Factor Datasets | Plumas |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | seeds (34-53%); fruits (0-22%); arthropods (26-36%); leaves (7-12%); fungi (0-7%); misc. (3-10%) | volumetric % of stomach contents, range of means for 2 yrs. and 2 habitat types | % | Not Reported | Not Reported | 778 | western slope of Sierra Nevada (elev., 3500 - 5000 ft.) | Exposure Factor Datasets |
| Dietary Composition | seeds (0-81%); fruits (2-19%); arthropods (9-57%); leaves (1-18%); fungi (0-26%); misc. (0-42%) | volumetric % of stomach contents, range of monthly means for 2 yrs. and 2 habitat types | % | Not Reported | Not Reported | 40-88 | western slope of Sierra Nevada (elev., 3500 - 5000 ft.) | Exposure Factor Datasets |
| Dietary Composition | seeds (0-80%); fruit (0-30%); arthropods (0-80%); leaves (7-32%); fungi (0%); misc. (0-19%) | volumetric % of stomach contents, range of monthly means for 2 yrs. and 2 habitat types | % | Not Reported | Not Reported | 53-66 | western slope of Sierra Nevada (elev., 3500 - 5000 ft.) | Exposure Factor Datasets |
| Dietary Composition | seeds (6-49%); fruit (0-24%); arthropods (27-80%); leaves (0-20%); fungi (0-5%); misc. (0-18%) | volumetric % of stomach contents, range of monthly means for 2 yrs. and 2 habitat types | % | Not Reported | Not Reported | 48-59 | western slope of Sierra Nevada (elev., 3500 - 5000 ft.) | Exposure Factor Datasets |
| Dietary Composition | seeds (0-68%); fruit (0-24%); arthropods (0-47%); leaves (0-19%); fungi (0-43%); misc. (0-27%) | volumetric % of stomach contents, range of monthly means for 2 yrs. and 2 habitat types | % | Not Reported | Not Reported | 78-105 | western slope of Sierra Nevada (elev., 3500 - 5000 ft.) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | 48.72 | based on presence of cornified vaginal epithelial cells | d | Female | Adult | 186 | Exposure Factor Datasets | 1.23 | Laboratory | |
| Age at Sexual Maturity | based on presence of motile sperm | d | Male | Adult | 43 - 79 | Exposure Factor Datasets | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. gracilis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Surface Area | SA = 8.5 x (weight)2/3 | Weight in grams multiplied by 2/3 power | cm2 | Not Reported | Adult | 2 | Exposure Factor Datasets | Laboratory | |
| Metabolic Rate | 1.5 | basal oxygen consumption measured at 28C, 15-17g mice, also reported as 173 cal/kg/d | cc O2/g/hr | Not Reported | Adult | 2 | Exposure Factor Datasets | Laboratory | |
| Metabolic Rate | 3.6 | 24 hr average oxygen consumption, average body weight 22.3 g, also reported as 416 cal/kg/d | cc O2/g/hr | Not Reported | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. austerus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | spring-summer | period of peak activity | Both Male and Female | Adult | Not Reported | Douglas fir forest, Vancouver | Exposure Factor Datasets | CANADA | |
| Survival/ Mortality | see citation | figure of percent survival of juveniles and sub-adults | % | Both Male and Female | Juvenile | Not Reported | Douglas fir forest, Vancouver | Exposure Factor Datasets | CANADA |
| Home Range | 2009 | elliptical home range based on distribution of capture points | m2 | Male | Both Adults and Juveniles | Not Reported | Douglas fir forest, Vancouver | Exposure Factor Datasets | CANADA |
Deer Mouse (Peromyscus maniculatus ssp. nubiterrae)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | winter | peak occurence of spontaneous torpor | Both Male and Female | Both Adults and Juveniles | 59 | Macon county, pine-hemlock forest | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 524 | mean calculated minimum convex polygon area | m2 | Both Male and Female | Both Adults and Juveniles | 48 | Mountain Lake Biological Station, Giles county | Exposure Factor Datasets | 46 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Dietary Composition | Arthropods (56.0 +/- 4.00% SE), Lepidopteran larvae (3.8 +/- 1.30% SE), Lepidopteran adults (3.4 +/- 1.31% SE), Fruit (24.5 +/-4.24% SE), Green vegetation (4.7 +/- 1.14% SE), Fungi (7.2 +/- 2.60% SE), Nuts/Seeds (0.0 +/- 0.0% SE), Unknown (0.8 +/- 0.41% SE) | Mean percentage frequency of occurrence of each item in stomach contents | Not Reported | 40 | Mountain Lake Biological Station, Giles Co. | Exposure Factor Datasets | |
| Dietary Composition | Arthropods (30.0 +/- 3.62% SE), Lepidopteran larvae (0.2 +/- 0.16% SE), Lepidopteran adults (25.6 +/- 4.32% SE), Fruit (3.5 +/- 2.06% SE), Green vegetation (12.3 +/- 3.35% SE), Fungi (0.3 +/- 0.29% SE), Nuts/Seeds (24.0 +/- 6.98% SE), Unknown (4.1 +/- 2.12% SE) | Mean percentage frequency of occurrence of each item in stomach contents | Not Reported | Both Adults and Juveniles | 20 | Mountain Lake Biological Station, Giles Co. | Exposure Factor Datasets |
| Dietary Composition | Arthropods (45.9 +/- 7.15% SE), Lepidopteran larvae (1.5 +/- 0.63% SE), Lepidopteran adults (6.7 +/- 2.94% SE), Fruit (1.1 +/- 0.73% SE), Green vegetation (17.5 +/- 3.76% SE), Fungi (1.0 +/- 1.01% SE), Nuts/Seeds (23.1 +/- 9.68% SE), Unknown (3.0 +/- 1.96% SE) | Mean percentage frequency of occurrence of each item in stomach contents | Not Reported | Both Adults and Juveniles | 10 | Mountain Lake Biological Station, Giles Co. | Exposure Factor Datasets |
Deer Mouse (Peromyscus maniculatus ssp. sonoriensis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 5.06 | potential litter size estimated using the larger of corpora lutea count or embryo sites | #/litter | Female | Adult | 72 | White Mountain (elev., 9,800 ft) | Exposure Factor Datasets | Mono | 0.16 SE |
| Clutch or Litter Size | 4.73 | potential litter size estimated using the larger of corpora lutea count or embryo sites | #/litter | Female | Adult | 30 | White Mountain (elev., 7,000 ft) | Exposure Factor Datasets | Mono | 0.67 SE |
| Clutch or Litter Size | 4.00 | potential litter size estimated using the larger of corpora lutea count or embryo sites | #/litter | Female | Adult | 2 | White Mountain (elev., 4,500 ft) | Exposure Factor Datasets | Mono | 1.00 SE |
Deer Mouse (Peromyscus maniculatus ssp. nebrascensis)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 2.1 | g | Male | Neonate | 33 | captured in Nebraska | Exposure Factor Datasets | 1 d | 0.1 SE | Laboratory |
Deer Mouse (Peromyscus maniculatus), Deer Mouse (Peromyscus maniculatus ssp. sonoriensis)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Water Ingestion Rate | range of means from 10 experiments | cc/g/d | Both Male and Female | Not Reported | 4-8 animals/experiment; 10 experiments | Exposure Factor Datasets | Laboratory |
Merriam's Kangaroo Rat (Dipodomys merriami)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Population Density | 11.47 | #/ha | Both Male and Female | Both Adults and Juveniles | Not Reported | San Simon Valley, Portal (elev., 1370 m) | Exposure Factor Datasets | |||
| Home Range | 62.0 | average range of movement after 3 captures | m | Both Male and Female | Adult | Not Reported | San Simon Valley | Exposure Factor Datasets | 4.7 | |
| Metabolic Rate | maintenance energy expenditure estimated from oxygen consumption | kcal/day | Both Male and Female | Adult | 6/sampling period; 10 periods | captured at San Simon Valley, AZ from Aug. - July | Exposure Factor Datasets | Laboratory | ||
| Body Weight - Mean | g | Male | Adult | Not Reported | San Simon Valley | Exposure Factor Datasets | ||||
| Body Weight - Mean | g | Female | Adult | Not Reported | San Simon Valley | Exposure Factor Datasets | ||||
| Growth Rate | see citation | figure of changes in weight over time | Both Male and Female | Juvenile | 90 | San Simon Valley, Portal (elev., 1370 m) | Exposure Factor Datasets | |||
| Dietary Composition | seeds (82%), herbs (14%), shrub (2%), arthropods (2%) | % occurence of food items in cheek pouch contents | % | Not Reported | Not Reported | 15 | San Simon Valley, Portal (elev., 1370 m) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 2.6 | estimated by embryo counts | pups /litter | Female | Adult | 163 | Las Vegas Valley, Clark County (elev., 2500 ft) | Exposure Factor Datasets |
| Age at Sexual Maturity | <2 | age when reproductive activity observed | mo | Both Male and Female | Adult | 10 | Las Vegas Valley, Clark County (elev., 2500 ft) | Exposure Factor Datasets |
| Dietary Composition | grass seeds (74.2%), annual forb seeds (37.4%), perennial seeds (7.4%), vegetative plant parts (7.4%), insect parts (0.3%), debris (2.7%), unidentified seeds (3%) | % occurrence in cheek pouch contents | % | Not Reported | Not Reported | 411 | Las Vegas Valley, Clark County (elev., 2500 ft) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of means of initial weights for 3 experimental groups | g | Not Reported | Not Reported | 9/group | captured at Joshua Tree, San Bernadino County, CA | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Population Density | 7.8 | #/ha | Both Male and Female | Not Reported | 782 | Cave Creek Bajada, Cochise County (elev., 1330 m) | Exposure Factor Datasets | |||
| Body Weight - Mean | 44.0 | g | Male | Adult | 443 | Cave Creek Bajada, Cochise County (elev., 1330 m) | Exposure Factor Datasets | 0.3 | ||
| Body Weight - Mean | 41.1 | g | Female | Adult | Not Reported | Cave Creek Bajada, Cochise County (elev., 1330 m) | Exposure Factor Datasets | non-breeding | 0.1 | |
| Body Weight - Mean | 49.9 | g | Male | Adult | Not Reported | Cave Creek Bajada, Cochise County (elev., 1330 m) | Exposure Factor Datasets | pregnant | 0.2 | |
| Home Range | 44.1 | mean distance moved from site of initial capture | m | Male | Not Reported | 443 | Cave Creek Bajada, Cochise County (elev., 1330 m) | Exposure Factor Datasets | ||
| Home Range | 53.8 | mean distance moved from site of initial capture | m | Female | Not Reported | 339 | Cave Creek Bajada, Cochise County (elev., 1330 m) | Exposure Factor Datasets | ||
| Longevity | at least 36 | oldest recorded | mo | Female | Adult | 3 | Cave Creek Bajada, Cochise County (elev., 1330 m) | Exposure Factor Datasets | ||
| Survival/ Mortality | 0.304 | death rate per yr | /yr | Male | Not Reported | 443 | Cave Creek Bajada, Cochise County (elev., 1330 m) | Exposure Factor Datasets | ||
| Survival/ Mortality | 0.370 | death rate per yr | /yr | Female | Not Reported | 354 | Cave Creek Bajada, Cochise County (elev., 1330 m) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 39.6 | g | Female | Not Reported | 11 | captured at Boulder City, NV | Exposure Factor Datasets | 7.1 SD | Laboratory |
| Body Weight - Mean | 34.2 | g | Male | Not Reported | 16 | captured at Boulder City, NV | Exposure Factor Datasets | 3.8 SD | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Water Ingestion Rate | 4.8 | estimated from food intake (rolled oats and carrots) | g/d | Female | Adult | 16 | captured in Clark County, NV | Exposure Factor Datasets | non-reproductive and gestating | Laboratory |
| Water Ingestion Rate | 10.7 | estimated from food intake (rolled oats and carrots) | g/d | Female | Adult | 4-9 | captured in Clark County, NV | Exposure Factor Datasets | lactating | Laboratory |
| Clutch or Litter Size | 2.8 | young/litter | Female | Adult | Not Reported | captured in Clark County, NV | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | 2 | mo | Not Reported | Adult | Not Reported | Portal | Exposure Factor Datasets | |
| Longevity | 2 | yrs | Not Reported | Adult | Not Reported | Portal | Exposure Factor Datasets | |
| Home Range | 46.5 | median lifetime distance moved from home range center (from first to last capture) | m | Male | Adult | 36 | Portal | Exposure Factor Datasets |
| Home Range | 25.0 | median lifetime distance moved from home range center (from first to last capture) | m | Female | Adult | 25 | Portal | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 33.9 | g | Not Reported | Not Reported | 4-9 per mo/15 mo | Kelso Sand Dunes (elev., 830-840 m) [lat., 34^o53'30"N, long., 115^o40'20"W] | Exposure Factor Datasets | San Bernardino | 2.2 SD | |
| Water Ingestion Rate | 3.14 | water influx rate estimated via doubly labeled water | ml water/d | Not Reported | Not Reported | 4-9 per mo/15 mo | Kelso Sand Dunes (elev., 830-840 m) [lat., 34^o53'30"N, long., 115^o40'20"W] | Exposure Factor Datasets | San Bernardino | 1.33 SD |
| Metabolic Rate | 2.00 | field metabolic rate estimated from doubly labeled water | L CO2/d | Not Reported | Not Reported | 4-9 per mo/15 mo | Kelso Sand Dunes (elev., 830-840 m) [lat., 34^o53'30"N, long., 115^o40'20"W] | Exposure Factor Datasets | San Bernardino | 0.45 SD |
| Population Density | 17.5 | #/ha | Not Reported | Not Reported | 5 | Kelso Sand Dunes (elev., 830-840 m) [lat., 34^o53'30"N, long., 115^o40'20"W] | Exposure Factor Datasets | San Bernardino | 1.6 SD |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 2.5 | pups/litter | Female | Adult | 51 | captured near Palm Springs, CA | Exposure Factor Datasets | Laboratory | |
| Duration of Incubation or Gestation | 33 | modal duration | d | Female | Adult | 65 | captured near Palm Springs, CA | Exposure Factor Datasets | Laboratory |
| Age at Fledging, Metamorphosis, Weaning | d | Female | Juvenile | Not Reported | Exposure Factor Datasets | Laboratory | |||
| Age at Sexual Maturity | 64 | youngest age of female conceiving | d | Female | Adult | 51 | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | 29 | #/ha | Both Male and Female | Not Reported | Not Reported | Jacumba (elev., 988 m) | Exposure Factor Datasets | |
| Survival/ Mortality | 85.1 | average monthly survival | %/mo | Both Male and Female | Not Reported | 220 | Jacumba (elev., 988 m) | Exposure Factor Datasets |
California Ground Squirrel (Spermophilus beecheyi)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
|---|---|---|---|---|---|---|---|---|---|---|
| Home Range | 309.3 | m2 | Male | Adult | 21 | Camp Ohlone [lat., 37^o29'N; long., 121^o45'W] | Exposure Factor Datasets | Alameda | breeding | |
| Home Range | 270 | m2 | Male | Adult | 12 | Camp Ohlone [lat., 37^o29'N; long., 121^o45'W] | Exposure Factor Datasets | Alameda | postbreeding | |
| Population Density | range of means for 2 yrs | #/ha | Both Male and Female | Adult | Not Reported | Camp Ohlone [lat., 37^o29'N; long., 121^o45'W] | Exposure Factor Datasets | Alameda |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | 9-10 | mo | Both Male and Female | Juvenile | Not Reported | Santa Barbara; Bell Ranch; Hastings Reservation | Exposure Factor Datasets | Monterey |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Time of Molt | May | Both Male and Female | Adult | Not Reported | Calaveras Reservoir | Exposure Factor Datasets | Alameda, Santa Clara |
