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Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 1-2 | yrs | Female | Adult | Puente Hills and San Gabriel River, Whittier | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Algae (2.00); Nematomorpha (0.25); Crustacea (2.55); Araneae (0.15); Odonata nymphs (10.15); Ephemeroptera nymphs (4.60); Trichoptera larvae (17.25); Hemiptera nymphs (0.58); Hemiptera adults (0.41); Orthoptera adults (1.60); Coleoptera larvae (7.95); Coleoptera adults (0.48); Diptera larvae (4.45), Diptera adults (0.30); Osteichthyes (0.90); Amphibia (1.20); Other (0.80) | volume (cc) of food items in stomach contents determined by water displacement | cc | Not Reported | Juvenile | Hayfork Creek (elev., 750m) | 30 | Exposure Factor Datasets |
Dietary Composition | Algae (18.00); Other vegetation (0.30); Nematomorpha (0.05); Crustacea (10.10); Araneae (0.15); Odonata nymphs (4.05); Ephemeroptera nymphs (0.15); Trichoptera larvae (19.80); Hemiptera nymphs (0.40); Hemiptera adults (0.30); Orthoptera adults (0.55); Coleoptera larvae (5.15); Coleoptera adults (0.30); Diptera larvae (0.66), Diptera adults (0.10); Osteichthyes (0.20); Amphibia (4.05); Other (1.35) | volume (cc) of food items in stomach contents determined by water displacement | cc | Female | Adult | Hayfork Creek (elev., 750m) | 27 | Exposure Factor Datasets |
Dietary Composition | Algae (4.00); Other vegetation (0.50); Crustacea (5.55); Odonata nymphs (5.00); Ephemeroptera nymphs (2.91); Trichoptera larvae (7.40); Hemiptera nymphs (0.10); Hemiptera adults (0.10); Orthoptera adults (0.20); Coleoptera larvae (0.75); Coleoptera adults (0.10); Diptera larvae (9.15); Osteichthyes (10.90); Amphibia (7.80); Other (0.50) | volume (cc) of food items in stomach contents determined by water displacement | cc | Male | Adult | Hayfork Creek (elev., 750m) | 20 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 4-9 | eggs/clutch | Female | Adult | Umpqua River, Roseburg, Douglas County | 4 | Exposure Factor Datasets | |
Duration of Incubation or Gestation | time from egg to hatching at 25-30C | 73 - 80 | d | Not Reported | Embryo | 13 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 854 | maximum reported body weight | g | Male | Adult | largest turtle found near Huron | 450 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Home Range | median daily movement | 25 - 37.5 | m | Not Reported | Adult | Arroyo Laguna-Oak Knoll Creek, San Simeon Point | 4 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Arachnids (2.4-22.4%); Orthopterans (0-16.7%); Isopterans (0-17.5%); Coleopterans (8.2-45.7%); Hemipterans (0-47.9%); Homopterans (0-34.8%); Neuropterans (0-1.3%); Lepidopterans (2.8-34.0%); Dipterans (0-9.3%); Hymenopterans (4.3-72.8%) | range of monthly percentages of total volume of food in stomach contents | % | Not Reported | Not Reported | 7-24 lizards/mo | Exposure Factor Datasets | ||
Home Range | 4896 | average and range of home ranges at 2 sites over 6 yrs, estimated using minimum polygon method (mark and recapture technique) | 2889 - 11391 | sq. ft. | Male | Adult | 7-26 lizards/site and yr | Exposure Factor Datasets | |
Home Range | 1497 | average and range of home ranges at 2 sites over 6 yrs, estimated using minimum polygon method (mark and recapture technique) | 785 - 3460 | sq. ft. | Female | Adult | 6-14 lizards/yr and site | Exposure Factor Datasets | |
Home Range | 0.49 | home range estimated using probability density function (95%) | acre | Male | Adult | Not Reported | Exposure Factor Datasets | ||
Home Range | 0.15 | home range estimated using probability density function (95%) | acre | Female | Adult | Not Reported | Exposure Factor Datasets | ||
Home Range | 1300 | average home range, estimated using minimum polygon method (mark and recapture technique) | sq. ft. | Both Male and Female | Juvenile | 357 lizards | Exposure Factor Datasets | ||
Food Ingestion Rate | 0.02 | total volume of food eaten | g/d | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | ||
Survival/ Mortality | range of % "survival to next season" over 5 yrs at 2 sites | 6 - 11 | % | Both Male and Female | Adult | 39-110/date and site | Exposure Factor Datasets | ||
Survival/ Mortality | range of % "survival to maturity" over 5 years for males and females | 8.8 - 30.3 | % | Both Male and Female | Juvenile | 17-65/date and sex | Exposure Factor Datasets | ||
Population Density | range of densities estimated over 6 yrs at two sites | 11 -24 | #/acre | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | ||
Clutch or Litter Size | 3.2 | average clutch size based on counts of yolked follicles, eggs or corpora lutea | eggs/clutch | Female | Adult | Mesa County | 256 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Metabolic Rate | OC = 0.23(BW)^0.67 | equation for relating resting oxygen consumption (OC; ml O2/hr) to body mass (BW; g) @ 25C | ml O2/g/hr | Both Male and Female | Adult | Sierra Nevada (elev., 150 and 1500 m) | 154 animals | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|---|
Time of Torpor or Hibernation | Sept. - Apr. | Both Male and Female | Both Adults and Juveniles | yellow pine forest, central Sierra Nevada (elev., 1500m) | Not Reported | Exposure Factor Datasets | ||||
Clutch or Litter Size | 11.3 | 0.41SE | eggs/clutch | Female | Adult | yellow pine forest, central Sierra Nevada (elev., 1500m) | 48 | Exposure Factor Datasets | ||
Duration of Incubation or Gestation | 59 | d | Both Male and Female | Embryo | yellow pine forest, central Sierra Nevada (elev., 1500m) | Not Reported | Exposure Factor Datasets | |||
Time of Mating/ Laying | Apr. (begin) | time of mating | Both Male and Female | Adult | yellow pine forest, central Sierra Nevada (elev., 1500m) | Not Reported | Exposure Factor Datasets | |||
Time of Torpor or Hibernation | Sept. - May or June | Both Male and Female | Both Adults and Juveniles | red fir forest, Donner Summit, central Sierra Nevada (elev., 2200m) | Not Reported | Exposure Factor Datasets | ||||
Time of Mating/ Laying | June - July | time of laying | Both Male and Female | Adult | central Sierra Nevada (elev., 1500 or 2200m) | Not Reported | Exposure Factor Datasets | |||
Time of Hatching or Parturition | Aug. - Oct. | time of hatching | Both Male and Female | Hatchling | central Sierra Nevada (elev., 1500 or 2200m) | Not Reported | Exposure Factor Datasets | |||
Clutches or Litters per year | 1-2 | clutches/yr | Female | Adult | central Sierra Nevada (elev., 1500 or 2200m) | Not Reported | Exposure Factor Datasets | |||
Age at Sexual Maturity | 20 | mo | Both Male and Female | Adult | central Sierra Nevada (elev., 1500 or 2200m) | Not Reported | Exposure Factor Datasets | |||
Time of Mating/ Laying | May-June (begin) | time of mating | Both Male and Female | Adult | central Sierra Nevada (elev., 2200m) | Not Reported | Exposure Factor Datasets | |||
Body Fat (total or %) | see citation | figure of seasonal changes in total body fat | Both Male and Female | Adult | central Sierra Nevada (elev., 1500 or 2200m) | 9-44 animals/mo | Exposure Factor Datasets | |||
Duration of Incubation or Gestation | 53 | d | Both Male and Female | Embryo | yellow pine forest, central Sierra Nevada (elev., 2200m) | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | SCW = 0.46(BW)^0.63 | equation relating stomach content fresh weight (SCW; mg) to body weight (BW; g) | mg | Both Male and Female | Not Reported | yellow pine forest (elev., 1500m) and valley grassland (elev., 150m), central Sierra Nevada | 920 animals | Exposure Factor Datasets | |
Food Ingestion Rate | 127 | estimated average stomach content fresh weight in 5 g lizard | mg | Both Male and Female | Not Reported | central Sierra Nevada (elev., 150m and 1500m) | Not Reported | Exposure Factor Datasets | |
Food Ingestion Rate | 245 | estimated average stomach content fresh weight in a 15 g lizard | mg | Both Male and Female | Not Reported | central Sierra Nevada (elev., 150m and 1500m) | Not Reported | Exposure Factor Datasets | |
Body Weight - Mean | 9.64 | mean snout-vent length = 66.35mm | 3.95SD | g | Male | Not Reported | valley grassland (elev., 150m), central Sierra Nevada | 295 animals | Exposure Factor Datasets |
Body Weight - Mean | 8.08 | average snout-vent length = 62.99 mm | 3.76SD | g | Female | Not Reported | valley grassland (elev., 150m), central Sierra Nevada | 194 animals | Exposure Factor Datasets |
Body Weight - Mean | 11.31 | average snout-vent length = 68.05 mm | 3.88SD | g | Male | Not Reported | yellow pine forest (elev., 1500m), central Sierra Nevada | 256 animals | Exposure Factor Datasets |
Body Weight - Mean | 8.61 | average snout-vent length = 62.67 mm | 4.26SD | g | Female | Not Reported | yellow pine forest (elev., 1500m), central Sierra Nevada | 184 animals | Exposure Factor Datasets |
Food Ingestion Rate | 213 | mean measured stomach content fresh weight of lizards averaging 9.6 g | 130SD | mg | Male | Not Reported | valley grassland (elev., 150m), central Sierra Nevada | 295 | Exposure Factor Datasets |