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Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|
Food Ingestion Rate | 412 (foxtail); or 468 (smartweed); or 85 (hemp); or 3943 (pigweed) | estimated number of seeds per hour required at 0 degrees C for active individuals | seeds/hour | Not Reported | Adult | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Time of Nesting | first two weeks of May | peak time of nest initiation | Both Male and Female | Adult | near Delta, Manitoba | 46 nests | Exposure Factor Datasets | ||
Clutch or Litter Size | 5.41 | mean size of clutches laid early (pre-May 1), mid (May 1-10), or late season (post-May 10) | 0.14 SE | eggs/clutch | Female | Adult | near Delta, Manitoba | 41 nests | Exposure Factor Datasets |
Hatching Success | 19/31 | proportion of successful nests (hatched at least one egg) in which entire clutch hatched | Both Male and Female | Adult | near Delta, Manitoba | 41 nests | Exposure Factor Datasets | ||
Fledging or Weaning Rate | 2.32 | number of young fledged per female | 0.06 SE | young/female | Female | Adult | near Delta, Manitoba | 38 females | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Terrestrial: Reptiles (1.8%); Rodents (21.0%); Lagomorphs (6.6%); Birds (6.3%); Arthropods (5.7%); Vegetation (8.1%) Marine: Reptiles (0.6%); Mammals (0.3%); Fish (12.0%); Birds (16.5%); Arthropods (17.7%); Vegetation (0.6%) | average percent occurrence of item in scats from 4 coastal sites | % | Not Reported | Not Reported | Bahia de los Angeles, Baja California del Norte [lat., 28^o55' N; long., 113^o30' W] | 152 | Exposure Factor Datasets |
Dietary Composition | Terrestrial: Reptiles (7.1%); Rodents (48.0%); Lagomorphs (15.9%); Birds (1.0%); Arthropods (11.8%); Vegetation (15.5%) Marine: Birds (0.3%) | average percent occurrence of item in scats from 4 inland sites | % | Not Reported | Not Reported | Bahia de los Angeles, Baja California del Norte [lat., 28^o55' N; long., 113^o30' W] | 170 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Population Density | range of density estimates | 0.2 - 0.3 | #/10 km2 | Both Male and Female | Not Reported | Gaspesie Conservation Park and Chic-Chocs Game Reserve [lat., 49^o00N'; long., 66^o00' W] | Not Reported | Exposure Factor Datasets | |
Dietary Composition | see citation | figure of monthly average volume (%) of food items in scats during 2 summers | Both Male and Female | Not Reported | Gaspesie Conservation Park and Chic-Chocs Game Reserve [lat., 49^o00N'; long., 66^o00' W] | 666 scat samples | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Seeds (54.8%); Fruit (56.9%); Insects (44.1%); California voles (12.9%); Lagomorphs (10.8%); Cricetine rodents (62.4%); Birds (5.4%); Califorina ground squirrels (4.3%); Gophers (2.2%); Amphibians/Reptiles (2.2%) | overall % frequency of occurrence of prey items in scats | % | Not Reported | Not Reported | Lemoore Naval Air Station | 93 scats | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | see citation | figure of mean mass of larvae with and without bullfrog presence | Not Reported | Hatchling | field enclosures at E.E. Wilson Wildlife Refuge, Benton County | 100-150 | Exposure Factor Datasets |
Age at Fledging, Metamorphosis, Weaning | see citation | figure of mean time to metamorphosis with and without bullfrog presence | Not Reported | Hatchling | field enclosures at E.E. Wilson Wildlife Refuge, Benton County | 100-150 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 2-4 | yrs | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | |
Age at Fledging, Metamorphosis, Weaning | 3-5 | mo | Both Male and Female | Tadpole | Not Reported | Exposure Factor Datasets | |
Time of Fledging or Metamorphosis | July - Sept. | Both Male and Female | Tadpole | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Population Density | range of larval density estimates in 8 fishless lakes utilizing 3 survey methodologies during day and night | 0 - 383 | larvae/100 m shoreline | Both Male and Female | Juvenile | North Cascades National Park Service Complex | Not Reported | 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 | North Cascades National Park Service Complex | 13 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Error | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | 15.4 | 0.3 SE | mg | Not Reported | Juvenile | 3 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 64.6 | mean and range of body weights | 52 - 80 | g | Male | Adult | Garfield County | 17 | Exposure Factor Datasets |
Body Weight - Mean | 92.9 | mean and range of body weight | 52 - 115 | g | Female | Adult | Garfield County | 18 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 175.9 | 8.16 SE | g | Both Male and Female | Adult | 30 | Exposure Factor Datasets | |
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 | ||
Metabolic Rate | see citation | figure of oxygen consumption at various body temperatures within seasons | Both Male and Female | Adult | 6/group | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Metabolic Rate | 0.1582 | resting oxygen consumption at 23C | 0.009 SE | ml O2/hr/tadpole | Not Reported | Tadpole | 19 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Population Density | range of mean larval density estimates over 2 yrs | 1.44 - 3.0 | # larvae/m2 | Both Male and Female | Juvenile | Cold Creek, Santa Monica Mountains | Not Reported | Exposure Factor Datasets | |
Dietary Composition | see citation | figure of % of stomachs containing prey items over several yrs | Not Reported | Adult | Cold Creek and Trancas Creek, Santa Monica Mountains | 17-52 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Population Density | range of mean density estimates for six pools without crayfish over two time periods | 0.67 - 1.84 | #/10m2 | Not Reported | Adult | Trancas Creek, Santa Monica Mountains | Not Reported | Exposure Factor Datasets |
Population Density | range of mean density estimates for six pools with crayfish over two time periods | 0 - 0.22 | #/10 m2 | Not Reported | Adult | Trancas Creek, Santa Monica Mountains | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Apr. - May | time of breeding | Both Male and Female | Adult | Santa Monica Mountains | Not Reported | Exposure Factor Datasets | ||
Clutch or Litter Size | 1-4 masses of 5-30 eggs | #/clutch | Female | Adult | Santa Monica Mountains | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Feb. - June | time of breeding | Both Male and Female | Adult | Santa Monica Mountains | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Time of Hatching or Parturition | see citation | figure of mean duration from fertilization to hatching in field enclosures | Both Male and Female | Embryo | Santa Monica Mountains | 8 replicates of 150 (frogs) or 16-12 (newts) embryos | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 158.6 | body weight | 120-228 | g | Male | Adult | 13 | Exposure Factor Datasets |
Body Weight - Mean | 150.6 | body weight | 129-185 | g | Female | Adult | 15 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Inhalation Rate | 3.27 | average resting tidal volume | 0.08 SE | ml BTPS | Not Reported | Adult | 60 | Exposure Factor Datasets |
Inhalation Rate | 39.7 | average resting inhalation rate | 1.16 SE | per minute | Not Reported | Adult | 60 | Exposure Factor Datasets |
Metabolic Rate | 4.28 | average resting oxygen consumption | 0.12 SE | ml STPD/min | Not Reported | Adult | 60 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 914.2 (pallascens), 991.7 (pacificus), 1154.3 (occidentalis), 1317.8 (virgianus), 1238.6 (wapacuthu) | Body weight means for 5 subspecies | 319-372 | g | Male | Adult | 10-26 individuals/subspecies | Exposure Factor Datasets |
Body Weight - Mean | 1142.2 (pallascens), 1312.4 (pacificus), 1555.1 (occidentalis), 1768.5 (virgianus), 1556.0 (wapacuthu) | body weight means for 5 subspecies | g | Female | Adult | 12-29 individuals/subspecies | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Metabolic Rate | 9.18 | field metabolic rate | ml CO2/g/d | Both Male and Female | Adult | Eagle Lake (elev., 1800 m) | 72 | Exposure Factor Datasets |