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| Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Duration of Incubation or Gestation | time from mating to egg laying | 47 - 55 | d | Female | Adult | outdoor enclosures, Hayward, CA | 2 | Exposure Factor Datasets |
| Body Weight - Mean | egg weight | 7.50 - 8.10 | g | Not Reported | Embryo | outdoor enclosures, Hayward, CA | 10 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of means | 32.42 - 42.50 | g | Male | Adult | 5 animals/6 sampling dates | Exposure Factor Datasets | |
| Metabolic Rate | see citation | figure of resting oxygen consumption | ml O2/g/hr | Both Male and Female | Adult | 5-10 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 21 - 410 | g | Female | Adult | Douglas and Jefferson Counties | Not Reported | Exposure Factor Datasets | |||
| Body Weight - Mean | 14 - 110 | g | Male | Adult | Douglas and Jefferson Counties | Not Reported | Exposure Factor Datasets | |||
| Body Weight - Mean | 1.88 | 0.029 | 0.7 - 2.5 | g | Not Reported | Neonate | 151 | Exposure Factor Datasets | ||
| Clutch or Litter Size | 14.5 | 4 - 29 | young/litter | Female | Adult | Douglas and Jefferson Counties | 132 | Exposure Factor Datasets | ||
| Age at Sexual Maturity | 2 | yr | Female | Adult | Douglas and Jefferson Counties | Not Reported | Exposure Factor Datasets | |||
| Home Range | 35.0 | circular home range estimated from radius | acres | Male | Adult | Douglas and Jefferson Counties | 39 | Exposure Factor Datasets | ||
| Home Range | 22.7 | circular home range estimated from radius | acres | Female | Adult | Douglas and Jefferson Counties | 102 | Exposure Factor Datasets |
| Exposure Endpoint Type | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|
| Clutch or Litter Size | 6 - 7 | eggs/female | Female | Adult | 4 | Exposure Factor Datasets |
| Exposure Endpoint Type | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4 - 29 | eggs/female | Female | Adult | 5 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 11.32 | based on embryo count | 0.98 | 5 - 23 | eggs/litter | Female | Adult | 22 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Dietary Composition | Slug (1.4%); Earthworm (23.6%); Frog, Rana (6.9%); Toad, Bufo and Scaphiopus (30.5%); Tree Toad (20.8%); Leech (4.0%); Tadpole (10%); Minnow (1.4%); Unidentified fish (1.4%) | % of total recorded food items | % | Not Reported | Not Reported | 48 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | range of site means based on sum of live and dead young and undeveloped eggs at parturition | 7.6 - 23.0 | young/litter | Female | Adult | 4 - 30/site | Exposure Factor Datasets |
| Body Weight - Mean | range of site means | 1.4 - 3.0 | g | Not Reported | Neonate | 48 - 203/site | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Anurans (67%); Fish (11%); Leeches (22%) | % of stomachs containing prey item | % | Not Reported | Not Reported | Eagle Lake (elev., 1555m) [lat., 40^o33'24"N; long., 120^o47'5" W] | 36 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 12.5 | 4.95 (SD) | 5 - 25 | young/litter | Female | Adult | captured at Wood Buffalo National Park, Canada | 23 | Exposure Factor Datasets |
| Body Weight - Mean | 2.6 | 0.4 SD | 0.95 - 3.80 | g | Not Reported | Neonate | captured at Wood Buffalo National Park, Canada | 187 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 41 | 2 - 113 | g | Both Male and Female | Both Adults and Juveniles | Kyburz Flat | 160 | Exposure Factor Datasets | |
| Dietary Composition | Hyla (55.5%); Catostomus (21.8%); Microtus (5.4%); Rhinichthys (11.5%) | % of total volume of stomach contents | % | Both Male and Female | Not Reported | Kyburz Flat | <110 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|
| Metabolic Rate | see Figure 1 | oxygen consumption measured at 15-20 C | Not Reported | Not Reported | 2 | Exposure Factor Datasets |
| Surface Area | see Figure 3 | estimated surface area | Not Reported | Not Reported | 2 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Dietary Composition | clams (34-61%), mussels (7-20%), crabs (2-11%), other invertebrates (4-5%), unknown prey (12-33%) | relative occurences of prey items in diet, based on observation (range crosses three locations) | Not Reported | Adult | Prince William Sound | 752-833 foraging dives/site | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Clutches or Litters per year | 0.9 | annual reproductive rate based on number of pups born during monitoring period | pups/year | Female | Adult | 13 animals | Exposure Factor Datasets |
| Survival/ Mortality | 0.58 | pup survival rate to weaning | Not Reported | Juvenile | 19 animals | Exposure Factor Datasets | |
| Age at Fledging, Metamorphosis, Weaning | <80 or >120 | estimate time period that pups spent with mothers | d | Not Reported | Juvenile | 24 animals | Exposure Factor Datasets |
| Longevity | 11 | oldest animal captured in study | yr | Female | Adult | 1 animal | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Sample Size | Type |
|---|---|---|---|
| Survival/ Mortality | review | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Dietary Composition | sea urchins (47.8-70.2%), mussels (0.4-3.1%), sea stars (0.5-0.8%), crabs (1.4-5.2%), clams (0.4-1.8%), octopus (0.0-0.9%), anemone (0.0-0.2%), algal holdfasts (0.0-2.6%), fish (0.0-12.3%), fish eggs (0.0-0.9%), chitons (0.2-0.8%), coralline algae (0.0-0.2%), unknown (14.6-26.7%), unsuccessful (3.4-7.1%) | percentage (ranges) of total dives that resulted in capture of different prey items at three locations | Not Reported | Not Reported | Amchitka and Attu (Aleutian Islands), and Blanco Reef, OR | 425-584 dives/location | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Dietary Composition | pismo clams (559), unidentified bivalves (1), rock crabs (1), market crabs (1), unidentified crabs (1), unidentied food items (15) | number of prey retreived, based on observations from shore | Not Reported | Not Reported | Pismo Beach | 578 observed retrievals | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | 897 | ingested energy; fed rabbit pellets for 21 d | 28 SE | cal/g/d | Not Reported | 5 | Exposure Factor Datasets |
| Food Ingestion Rate | 1115 | ingested energy; fed bromegrass for 21 d | 35 SE | cal/g/d | Not Reported | 7 | Exposure Factor Datasets |
| Food Ingestion Rate | 693 | ingested energy; fed ryegrass seeds for 21 d | 22 SE | cal/g/d | Not Reported | 8 | Exposure Factor Datasets |
| Metabolic Rate | 450 | metabolizable energy; equivalent to average daily metabolic rate | 16 SE | cal/g/d | Not Reported | 5 | Exposure Factor Datasets |
| Metabolic Rate | 504 | metabolizable energy; equivalent to average daily metabolic rate | 28 SE | cal/g/d | Not Reported | 7 | Exposure Factor Datasets |
| Metabolic Rate | 485 | metabolizable energy; equivalent to average daily metabolic rate | 16 SE | cal/g/d | Not Reported | 8 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 25.8 | median weight at sexual maturity | g | Male | Adult | Sea Ranch | 33 | Exposure Factor Datasets |
| Body Weight - Mean | 24.4 | median weight at sexual maturity | g | Female | Adult | Sea Ranch | 30 | Exposure Factor Datasets |
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