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Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | 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 | lower Colorado River between Laguna and Morelos Dams | 100 | Exposure Factor Datasets | ||
Age at Fledging, Metamorphosis, Weaning | time to metamorphosis from first breeding clutch | 3 - 6 | mo | Not Reported | Tadpole | lower Colorado River between Laguna and Morelos Dams | Not Reported | Exposure Factor Datasets | |
Time of Fledging or Metamorphosis | Aug. - Oct. | metamorphosis period for first breeding clutch | Not Reported | Tadpole | lower Colorado River between Laguna and Morelos Dams | Not Reported | 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 | lower Colorado River between Laguna and Morelos Dams | Not Reported | Exposure Factor Datasets | ||
Age at Sexual Maturity | 1 - 2 | yr | Not Reported | Adult | lower Colorado River between Laguna and Morelos Dams | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | range of mean body weights | 249 - 252 | g | Not Reported | Not Reported | streams, ponds, strip pits in Pulaski, Loanoke and Saline counties | 29 - 62 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|
Metabolic Rate | 17.02 | Pulmonary oxygen uptake at 5C | 5.3 - 39.4 | ul O2/g/hr | Not Reported | 9 | Exposure Factor Datasets |
Metabolic Rate | 24.56 | Cutaneous oxygen uptake at 5C | 18.3 - 36.6 | ul O2/g/hr | Not Reported | 9 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 5.9 | mean % body weight consumed per day, body weight mean = 29.8 g | % | Not Reported | Juvenile | 25 | Exposure Factor Datasets | |
Food Ingestion Rate | 4.0 | mean % body weight consumed per day, body weight mean = 42.4 g | % | Not Reported | Juvenile | 25 | Exposure Factor Datasets | |
Food Ingestion Rate | 3.3 | mean % body weight consumed per day, body weight mean = 55.8 g | % | Not Reported | Juvenile | 25 | Exposure Factor Datasets | |
Body Weight - Mean | 10.7 | 6.0 - 18.7 | g | Not Reported | Juvenile | 25 | Exposure Factor Datasets | |
Body Weight - Mean | 17.5 | 13.1 - 41.6 | g | Not Reported | Juvenile | 25 | Exposure Factor Datasets | |
Body Weight - Mean | 29.8 | 18.5 - 51.6 | g | Not Reported | Juvenile | 25 | Exposure Factor Datasets | |
Body Weight - Mean | 42.4 | 27.6 - 77.2 | g | Not Reported | Juvenile | 25 | Exposure Factor Datasets | |
Body Weight - Mean | 55.8 | 40.5 - 100.8 | g | Not Reported | Juvenile | 25 | Exposure Factor Datasets |
Exposure Endpoint Type | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Longevity | 5 - 8 | yr | Not Reported | Adult | Edwin S. George Reserve, Ann Arbor | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | 2 - 3 | yr | Both Male and Female | Tadpole | Ithaca | Not Reported | Exposure Factor Datasets | |
Time of Fledging or Metamorphosis | July - Oct. | Both Male and Female | Tadpole | Ithaca | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | 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 | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Feb. - Apr. | time of breeding and laying | Both Male and Female | Adult | White Rock, British Columbia | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|
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 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | 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 | Palouse River, Latah County | 50 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
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 | Fern Lake, Arcata | 51 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 2.28 | 0.36 SE | #/m2 | Not Reported | Not Reported | streams in uncut forests, Lane, Douglas and Coos counties | 23 stream reaches | Exposure Factor Datasets |
Population Density | 0.50 | 0.24 SE | #/m2 | Not Reported | Not Reported | streams in logged forests, Lane, Douglas and Coos counties | 20 stream reaches | Exposure Factor Datasets |
Exposure Endpoint Type | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | 191 - 315 | eggs/female | Female | Adult | Palouse grasslands, Pullman | 11 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Isopoda (31.23%); Diplopoda (0.66%); Arachnida (2.14%); Orthoptera (0.35%); Dermaptera (2.65%); Coleoptera (54.06%); Lepidoptera (2.67%); Diptera (0.04%); Hymenoptera (5.92%); Unknown insects (0.3%) | % occurrence in fecal pellets examined | % | Not Reported | Adult | residential lawn, Bakersfield [lat., 35^o21'N; long., 119^o09'W] | 320 fecal pellets/ 6 animals | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 2.5 | 1.2 - 4.6 | g | Not Reported | Juvenile | Not Reported | Exposure Factor Datasets | |
Growth Rate | see citation | figure of weight increase in juvenile toads maintained at various temperatures | Not Reported | Juvenile | 9-11 animals/group | Exposure Factor Datasets | ||
Food Ingestion Rate | see citation | figure of biomass of food ingested by juvenile toads maintained at various temperatures | Not Reported | Juvenile | 9-11 animals/group | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Apr. - July | time of mating | Both Male and Female | Adult | ponds, Missoula and Ravalli counties | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 40.2 | 5.62 SE | 27.1 - 58.4 | g | Both Male and Female | Adult | East River Valley, Gothic, Gunnison county (elev., 3000 - 3355m) | 50 | Exposure Factor Datasets | |
Metabolic Rate | log SMR = -2.23 + 0.037(T) | equation relating standard metabolic rate (SMR; cm3 O2/g/hr), measured as oxygen consumption, to body temperature (T, 10-30C) on animals captured no more than a week before testing | cm3 O2/g/hr | Both Male and Female | Adult | captured at East River Valley, Gothic, Gunnison county (elev., 3000 - 3355m) | 30 | Exposure Factor Datasets | ||
Metabolic Rate | log AMR = -1.13 +0.067(T) - 0.0008(T)^2 | polynomial equation relating active metabolic rate (AMR; cm3 O2/g/hr), measured as oxygen consumption, to body temperature (T, 10-30C) in animals captured no more than a week before testing | cm3 O2/g/hr | Both Male and Female | Adult | captured at East River Valley, Gothic, Gunnison county (elev., 3000 - 3355m) | 49 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Time of Fledging or Metamorphosis | May - June | Not Reported | Tadpole | San Joaquin Valley | Not Reported | Exposure Factor Datasets | ||
Body Weight - Mean | 0.429 | 0.02 SE | g | Not Reported | San Joaquin Valley | 20 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Metabolic Rate | Log VO2 = 0.75(Log BW) - 2.43 | regression equation relating resting oxygen consumption (VO2; cm3 O2/min) to log body weight (BW; g) at 25-27C | cm3 O2/min | Not Reported | Not Reported | 13 | Exposure Factor Datasets | |
Metabolic Rate | Log VO2 = 0.82(Log BW) - 1.40 | regression equation relating active oxygen consumption (VO2; cm3 O2/min) to log body weight (BW; g) at 25-27C | cm3 O2/min | Not Reported | Not Reported | 76 | Exposure Factor Datasets | |
Body Weight - Mean | 22.5 | 1.3 - 69.1 | g | Not Reported | Not Reported | 76 | Exposure Factor Datasets |