Amphibians
Bullfrog (Lithobates catesbeianus formerly Rana catesbeiana)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Age at Fledging, Metamorphosis, Weaning | time to complete from egg through metamorphosis | mo | Not Reported | Not Reported | 300 | San Joaquin Experimental Range, O'Neals | Exposure Factor Datasets |
| Body Weight - Mean | g | Not Reported | Not Reported | 300 | San Joaquin Experimental Range, O'Neals | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Oct. - Mar. | Not Reported | Tadpole | Not Reported | Ridge Lake, Charleston, Coles County | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | early Apr. (begin), late Apr. - early May and late May - early June (peaks), July (end) | breeding season | Not Reported | Adult | 100 | lower Colorado River between Laguna and Morelos Dams | Exposure Factor Datasets | |
| Time of Fledging or Metamorphosis | Aug. - Oct. or Mar. - Apr. of following yr. | time to metamorphosis for second clutch | Not Reported | Tadpole | Not Reported | lower Colorado River between Laguna and Morelos Dams | Exposure Factor Datasets | |
| Age at Sexual Maturity | yr | Not Reported | Adult | Not Reported | lower Colorado River between Laguna and Morelos Dams | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Body Weight - Mean | range of mean body weights | g | Not Reported | Not Reported | 29 - 62 | streams, ponds, strip pits in Pulaski, Loanoke and Saline counties | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 17.02 | Pulmonary oxygen uptake at 5C | ul O2/g/hr | Not Reported | 9 | Exposure Factor Datasets | Laboratory | |
| Metabolic Rate | 24.56 | Cutaneous oxygen uptake at 5C | ul O2/g/hr | Not Reported | 9 | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | 5.9 | mean % body weight consumed per day, body weight mean = 29.8 g | % | Not Reported | Juvenile | 25 | Exposure Factor Datasets | 2 mo post-transformation | Laboratory | |
| Food Ingestion Rate | 4.0 | mean % body weight consumed per day, body weight mean = 42.4 g | % | Not Reported | Juvenile | 25 | Exposure Factor Datasets | 3 mo post-transformation | Laboratory | |
| Food Ingestion Rate | 3.3 | mean % body weight consumed per day, body weight mean = 55.8 g | % | Not Reported | Juvenile | 25 | Exposure Factor Datasets | 4 mo post-transformation | Laboratory | |
| Body Weight - Mean | 10.7 | g | Not Reported | Juvenile | 25 | Exposure Factor Datasets | newly transformed | Laboratory | ||
| Body Weight - Mean | 17.5 | g | Not Reported | Juvenile | 25 | Exposure Factor Datasets | 1 mo post-transformation | Laboratory | ||
| Body Weight - Mean | 29.8 | g | Not Reported | Juvenile | 25 | Exposure Factor Datasets | 2 mo post-transformation | Laboratory | ||
| Body Weight - Mean | 42.4 | g | Not Reported | Juvenile | 25 | Exposure Factor Datasets | 3 mo post-transformation | Laboratory | ||
| Body Weight - Mean | 55.8 | g | Not Reported | Juvenile | 25 | Exposure Factor Datasets | 4 mo post-transformation | Laboratory |
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Longevity | yr | Not Reported | Adult | Not Reported | Edwin S. George Reserve, Ann Arbor | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Age at Fledging, Metamorphosis, Weaning | yr | Both Male and Female | Tadpole | Not Reported | Ithaca | Exposure Factor Datasets | |
| Time of Fledging or Metamorphosis | July - Oct. | Both Male and Female | Tadpole | Not Reported | Ithaca | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Growth Rate | review | see citation for review of growth rates based on size estimates | Both Male and Female | Adult, Tadpole | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 142.8 | g | Not Reported | Adult | 39 | York County, New Brunswick [lat., 45^o47'; long., 66^o37'] | Exposure Factor Datasets | CANADA | 77.4 SD |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | July | laying | Female | Adult | Not Reported | Angelo Coast Range Reserve [lat., 39^o44'N; long., 123^o39'W] | Exposure Factor Datasets | Mendocino | |||
| Population Density | 18.2 | #/m2 | Both Male and Female | Tadpole | 17 quadrats | Angelo Coast Range Reserve [lat., 39^o44'N; long., 123^o39'W] | Exposure Factor Datasets | "overwintered" tadpoles | Mendocino | 13.1 SD | |
| Population Density | 90.9 | #/m2 | Both Male and Female | Tadpole | 20 quadrats | Angelo Coast Range Reserve [lat., 39^o44'N; long., 123^o39'W] | Exposure Factor Datasets | "overwintered" tadpoles | Mendocino | 97.7 SD |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | 0.42 | probability of survival (age x-1 to age x) | Male | Not Reported | Edwin S. George Reserve | Exposure Factor Datasets | 2 or 3 yrs | |
| Survival/ Mortality | 0.52 | probability of survival (age x-1 to age x) | Male | Adult | Not Reported | Edwin S. George Reserve | Exposure Factor Datasets | 4 yrs |
| Survival/ Mortality | 0.23 | probability of survival (age x-1 to age x) | Male | Adult | Not Reported | Edwin S. George Reserve | Exposure Factor Datasets | 5 yrs |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | see citation | figures of oxygen consumption of submerged tadpoles measured at various oxygen tensions and pre-metamorphic stages | ul/g/hr | Not Reported | Tadpole | 10/group | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Decapoda: Astacidae (47.7%); Lepidoptera (19.0%); Coleoptera: Lampryidae (5.8%); Chrysomelidae (5.8%); Carabidae (4.1%); Curculionidae (0.3%); Chilopoda (7.7%); sand, gravel (1.2%); unidentified (1%) | % volume of stomach contents | % | Not Reported | Not Reported | 18 | Breathitt and Perry counties | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | frogs (12.1%); goldfish (30.3%); gastropods (12.4%); crayfish (9.3%); arachnida (4.4%); coleoptera adult (10.6%); hemiptera (8.2%); orthoptera (8.7%) | % of stomachs containing major (>4%) food items | % | Not Reported | Adult | 772 | goldfish pond, Richland | Exposure Factor Datasets |
| Dietary Composition | frogs (13.0%); shiners (27.5%); gastropods (16.1%); crayfish (16.3%); arachnida (4.5%); coleoptera adult (10.5%); hemiptera (13.5%); orthoptera (5.8%); lepidoptera larvae (4.5%); odonata adult (4.2%) | % of stomachs containing major (>4%) food items | % | Not Reported | Adult | 553 | bait minnow pond, Richland | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 175.9 | g | Both Male and Female | Adult | 30 | Exposure Factor Datasets | 8.16 SE | Laboratory | ||
| Inhalation Rate | see citation | figure of breathing frequency (breaths/min) at various seasons, temperatures and oxygen levels | Both Male and Female | Adult | 6/group | Exposure Factor Datasets | Laboratory | |||
| Metabolic Rate | see citation | figure of oxygen consumption at various body temperatures within seasons | Both Male and Female | Adult | 6/group | Exposure Factor Datasets | Laboratory |
Pacific Treefrog (Pseudacris regilla formerly Hyla regilla)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | Jan. - June | time of breeding | Both Male and Female | Adult | 85 pairs in amplexus | San Diego | Exposure Factor Datasets | ||
| Clutch or Litter Size | 267.7 | eggs/clutch | Female | Adult | 40 | San Diego | Exposure Factor Datasets | 128.7 SD |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Time of Fledging or Metamorphosis | July - Sept. | Not Reported | Juvenile | Not Reported | Moscow, Latah County (elev., 850m) | Exposure Factor Datasets | |
| Time of Hatching or Parturition | May | Not Reported | Hatchling | Not Reported | Moscow, Latah County (elev., 850m) | Exposure Factor Datasets | |
| Time of Mating/ Laying | Apr. - May | time of laying | Female | Adult | Not Reported | Moscow, Latah County (elev., 850m) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | 13.3 | % surviving their first year | % | Not Reported | Juvenile | 15 | Washington County | Exposure Factor Datasets |
| Age at Sexual Maturity | 8 | mo | Not Reported | Adult | Not Reported | Washington County | Exposure Factor Datasets | |
| Survival/ Mortality | 11 | % surviving one year | % | Not Reported | Adult | 373 | Washington County | Exposure Factor Datasets |
| Growth Rate | 2 | increase in snout-vent length | mm/wk | Not Reported | Juvenile | 30 | Washington County | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | range of mean oxygen consumption rates measured at 20C | mm3 O2/g/hr | Both Male and Female | Not Reported | 7/location and sex | captured in San Diego, Julian and Willows, CA | Exposure Factor Datasets | Laboratory |
Southern Long-toed Salamander (Ambystoma macrodactylum ssp. sigillatum)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Longevity | 10 | maximum lifespan | yr | Not Reported | Adult | 170 | Bow Valley (elev., 1290-1375m), [lat.,51^o05'N; long., 115^o4'W] | Exposure Factor Datasets | CANADA |
Pacific Treefrog (Pseudacris regilla formerly Hyla regilla), California Newt (Taricha torosa)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Time of Hatching or Parturition | see citation | figure of mean duration from fertilization to hatching in field enclosures | Both Male and Female | Embryo | 8 replicates of 150 (frogs) or 16-12 (newts) embryos | Santa Monica Mountains | Exposure Factor Datasets | Los Angeles |
Ensatina (Ensatina eschscholtzii)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 194.1 | mean oxygen consumption following activity, measured at 25C | ul O2/g/hr | Not Reported | Not Reported | 5 | Exposure Factor Datasets | 14.3 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Home Range | 21.7 | mean final distance from original site of capture | m | Male | Adult | Not Reported | Calaveras Big Trees State Park (elev., 1400m) | Exposure Factor Datasets | Calaveras | 2.1 |
| Home Range | 22.2 | mean final distance from original site of capture | m | Female | Adult | Not Reported | Calaveras Big Trees State Park (elev., 1400m) | Exposure Factor Datasets | Calaveras | 2.8 |
| Home Range | range of distances moved from original site of capture | m | Not Reported | Juvenile | 7 | Calaveras Big Trees State Park (elev., 1400m) | Exposure Factor Datasets | Calaveras | ||
| Growth Rate | 0.005 | changes in snout-vent length measured between recaptures (>1000d) | mm/d | Male | Adult | Not Reported | Calaveras Big Trees State Park (elev., 1400m) | Exposure Factor Datasets | Calaveras | 0.0049 |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | gastropoda (1.5%); annelida (1.5%); acarina (10.0%); araneida (17.7%); non-insect arthropods (16.9%); collembola (16.2%); hemiptera (8.5%); coleoptera (3.1%); lepidoptera (0.8%); hymenoptera (12.3%); diptera (10.0%); orthoptera (1.5%) | % of total items in stomach contents; Ensatina size class >45 mm | % | Not Reported | Not Reported | <22 | Multonmah County | Exposure Factor Datasets |
| Dietary Composition | acarina (32.5%); araneida (22.6%); non-insect arthropods (22.6%); collembola (16.1%); coleoptera (6.5%) | % of total items in stomach contents; Ensatina size class <45 mm | % | Not Reported | Not Reported | <22 | Multonmah County | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | sow bugs (42%); centipedes (42%); spiders (60%); springtails (47%); beetles (36%); caterpillars (5%); ants (13%) | % of stomach containing food item | % | Both Male and Female | Both Adults and Juveniles | 45 | Dixie Canyon | Exposure Factor Datasets | Los Angeles |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 0.26 | g | Not Reported | Juvenile | 23 | Portland, Multnomah County | Exposure Factor Datasets | |
| Body Weight - Mean | 1.60 | g | Both Male and Female | Juvenile | 37 | Portland, Multnomah County | Exposure Factor Datasets | |
| Body Weight - Mean | 4.30 | g | Female | Adult | 11 | Portland, Multnomah County | Exposure Factor Datasets | |
| Body Weight - Mean | 2.80 | g | Male | Adult | 19 | Portland, Multnomah County | Exposure Factor Datasets | |
| Dietary Composition | Crustacea (1); Arachnida (19); Diplopoda (5); Chilopoda (3); Hexapoda (32) | number of each item in stomach contents | Both Male and Female | Both Adults and Juveniles | 21 | Portland, Multnomah County | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 17.3 | average distance moved between recaptures | ft | Female | Adult | 13 | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa |
| Home Range | 32.8 | average distance moved between recaptures | ft | Male | Adult | 17 | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa |
| Population Density | estimated maximum density | #/acre | Both Male and Female | Adult | 25 | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa | |
| Population Density | estimated maximum density | #/acre | Both Male and Female | Both Adults and Juveniles | Not Reported | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa | |
| Clutches or Litters per year | 1 | clutch/yr | Female | Adult | Not Reported | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa | |
| Clutch or Litter Size | 11 | # large ovarian eggs/female | #/clutch | Female | Adult | 26 | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa |
| Growth Rate | see citation | figure of growth rates based on changes in snout-vent length | Both Male and Female | Juvenile | Not Reported | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa | |
| Longevity | range of oldest individuals recorded | yrs | Both Male and Female | Adult | 3 | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa | |
| Age at Sexual Maturity | yrs | Both Male and Female | Adult | Not Reported | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa | ||
| 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 | 27 | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa |
| Body Weight - Mean | 6 | g | Both Male and Female | Adult | 9 | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa | |
| Duration of Incubation or Gestation | mo | Female | Adult | Not Reported | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa | ||
| Time of Mating/ Laying | late spring - early summer | time of laying | Female | Adult | Not Reported | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa | |
| Time of Mating/ Laying | Oct. - Mar. | time of breeding | Both Male and Female | Adult | Not Reported | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa | |
| Time of Hatching or Parturition | fall - early winter | Not Reported | Embryo | Not Reported | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa | ||
| 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 | 8 | Madelia Canyon | Exposure Factor Datasets | Los Angeles |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Collembola (68%); Coleoptera adults (49%); Coleoptera larvae (11%); Diptera adults (14%); Diptera larvae (16%); Hymenoptera (22%); Acarina (19%); Araneae (57%); Diplopoda (38%); Isopoda (32%) | % frequency of major food items | % | Not Reported | Both Adults and Juveniles | 37 | 1-2 mi WSW of Pepperwood, Humboldt Co. | Exposure Factor Datasets | Humboldt |
Ensatina (Ensatina eschscholtzii), Loggerhead Shrike (Lanius ludovicianus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Growth Rate | 0.092 | change in snout-vent length measured between recaptures (>1000d) | mm/d | Female | Adult | Not Reported | Calaveras Big Trees State Park (elev., 1400m) | Exposure Factor Datasets | Calaveras | USA | 0.0071 |
Long-toed Salamander (Ambystoma macrodactylum)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | May - July | time of laying | Female | Adult | Not Reported | Crater Lake, Munson Oxbow Pond, Aant Point Pond, Whitehorse Bluff ponds and Lake West | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Inhalation Rate | see citation | tidal volume and breathing rate data | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | Laboratory | ||
| Metabolic Rate | see citation | figure of pulmonary and cutaneous oxygen consumption | ul O2/g/hr | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 281.0 | mean oxygen consumption following activity, measured at 25C | ul O2/g/hr | Not Reported | Not Reported | 6 | Exposure Factor Datasets | 19.5 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | range of larval density estimates in 8 fishless lakes utilizing 3 survey methodologies during day and night | larvae/100 m shoreline | Both Male and Female | Juvenile | Not Reported | North Cascades National Park Service Complex | Exposure Factor Datasets | |
| Dietary Composition | Benthic macroinvertebrates (75%): Diptera (66.7); Chironomidae (41.7%); Coleoptera (58.3%); Trichoptera (50%); Ephemeroptera (25%); Amphipoda (16.7%); Plecoptera (8.3%); Pelecypoda (8.3%); Crustacean zooplankton (41.7%): Cladocerans (41.7%); Unidentified (41.7%); Imm. Daphnids (25.0%); Daphnia rosea (25%); Ceriodaphnia quadrangula (16.7%); Chydorus spaericus (8.3%); Copepods (16.7%); Cylopoids (16.7%); Calanoids (8.3%); Harpactacoids (8.3%) | % larvae stomachs that contained prey item | % | Not Reported | Juvenile | 13 | North Cascades National Park Service Complex | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 15.4 | mg | Not Reported | Juvenile | 3 | Exposure Factor Datasets | 2 d post-hatch | 0.3 SE | Laboratory |
Pacific Giant Salamander (Dicamptodon tenebrosus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Coleoptera adult (0.21); Orthoptera adult (0.13); Diptera adult (0.07); Lepidoptera larvae (0.20); Hymenoptera (0.05); Arachnida (0.15); Acarina (0.05); Diplopoda (0.37); Isopoda (0.05); Gastropoda (0.50); Amphibian (0.75); Reptilia (5.20); Mammalia (5.50); Rocks (0.05); Vegetable matter (0.05) | mean volume of gut contents | cc | Not Reported | Adult | 12 | Exposure Factor Datasets | Del Norte, Humboldt, Marin |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Ascaphus truei larvae (14.0%); Gastropoda (2.0%); Nematomorpha (2.0%); Arachnoidea (8.0%); Plecoptera (46.0%); Tricoptera larvae (52.0%); Tricoptera adults (6.0%); Coleoptera larvae (30.0%); Coleoptera adults (28.0%); Ephemeroptera nymphs (28.0%); Emphemeroptera adults (2.0%); Diptera larvae (20.0%); Diptera adults (10.0%); Lepidoptera larvae (4.0%); Orthoptera (2.0%); Misc. (46.0%) | % of stomach contents containing item | % | Not Reported | Juvenile | 50 | Palouse River, Latah County | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Ambystoma gracile (39.2%); Trichoptera larvae (19.6%); Trichoptera adults (1.9%); Coleoptera larvae (37.2%); Coleoptera adults (21.6%); Odonata larvae (70.5%); Odonata adults (1.9%); Ephemeroptera nymphs (1.9%); Gammarid amphipoda (3.9%); Hemiptera adults (5.9%); Arachnoidea (3.9%); Chironomidae (19.6%); Oniscoid isopoda (1.9%); Misc. (25.5%); Empty (3.9%) | % frequency of ocurrence in stomach contents | % | Not Reported | Juvenile | 51 | Fern Lake, Arcata | Exposure Factor Datasets | Humboldt |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|
| Population Density | 2.28 | #/m2 | Not Reported | Not Reported | 23 stream reaches | streams in uncut forests, Lane, Douglas and Coos counties | Exposure Factor Datasets | 0.36 SE |
| Population Density | 0.50 | #/m2 | Not Reported | Not Reported | 20 stream reaches | streams in logged forests, Lane, Douglas and Coos counties | Exposure Factor Datasets | 0.24 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | May | time of laying | Female | Adult | 2 | Benton County | Exposure Factor Datasets | |
| Duration of Incubation or Gestation | 275 | d | Not Reported | Embryo | Not Reported | Benton County | Exposure Factor Datasets | |
| Clutch or Litter Size | eggs/clutch | Female | Adult | 2 | Benton County | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | 57 | % mortality during first yr of life | % | Not Reported | Juvenile | 61 | Gauldy Mountain, Tillamook County | Exposure Factor Datasets |
| Growth Rate | increase in total length | mm/mo | Not Reported | Juvenile | Not Reported | Mary's Peak and Palouse | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Population Density | see citation | figure of population density estimates | #/m2 | Not Reported | Juvenile | Not Reported | Caspar Creek | Exposure Factor Datasets | Mendocino |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties |
|---|---|---|---|---|---|---|---|---|---|---|
| Population Density | range over 4 yrs | #/m2 | Not Reported | Juvenile | Not Reported | Fox Creek [lat., 38^o45'N, 123^o40'W] | Exposure Factor Datasets | Mendocino | ||
| Time of Fledging or Metamorphosis | July - Sept. | Not Reported | Juvenile | Not Reported | Fox Creek [lat., 38^o45'N, 123^o40'W] | Exposure Factor Datasets | 2-3 yrs | Mendocino | ||
| Dietary Composition | Ephemeroptera (59.1%); Trichoptera (11.7%); Plecoptera (4.5%); Diptera (8.1%); Coleoptera (3.6%); Odonata (1.0%); Hemiptera (<1.0%); Non-Insecta (3.4%); Vertebrates (<1.0%); Terrestrial organisms, Insecta (8.8%) | average proportion of total prey items in stomach contents on 11 sampling dates | % | Not Reported | Juvenile | 502 | Fox Creek [lat., 38^o45'N, 123^o40'W] | Exposure Factor Datasets | Mendocino |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 15.2 (10C); 20.7 (15C); 24.0 (20C) | average oxygen consumption measured at various temperatures (10-20C) | ul O2/g/h | Not Reported | Juvenile | 4-7/temperature | Exposure Factor Datasets | Laboratory |
