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Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | range of early activity season (spring to summer) mortality rates measured over 2 yrs | 0.527 - 0.732 | deaths/100 lizards/d | Not Reported | Adult | San Joaquin Valley (elev., 460m), [lat., 37^o38'N; long., 121^o29' W] | 27-51/yr | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | see citation | figure of seasonal changes in body weight | g | Not Reported | Not Reported | Elkhorn Plain (elev., 685-765m) | Not Reported | Exposure Factor Datasets |
Time of Mating/ Laying | May - June | time of laying | Female | Adult | Elkhorn Plain (elev., 685-765m) | Not Reported | Exposure Factor Datasets | |
Time of Hatching or Parturition | Aug. | Not Reported | Hatchling | Elkhorn Plain (elev., 685-765m) | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2 - 6 | eggs/clutch | Female | Adult | Elkhorn Plain | 11 | Exposure Factor Datasets |
Clutches or Litters per year | 2 - 4 | clutches/yr | Female | Adult | Elkhorn Plain | 11 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Apr. - May | time of mating | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | ||
Time of Mating/ Laying | June - July | time of laying | Female | Adult | Not Reported | Exposure Factor Datasets | ||
Clutch or Litter Size | 3 | 2 - 5 | eggs/clutch | Female | Adult | Not Reported | Exposure Factor Datasets | |
Duration of Incubation or Gestation | 57 | egg to hatching | d | Not Reported | Hatchling | Not Reported | Exposure Factor Datasets | |
Time of Hatching or Parturition | Aug. - Sept. | Not Reported | Hatchling | Not Reported | Exposure Factor Datasets | |||
Foraging Distance | 42 | maximum foraging distance from burrow | m | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | range of average clutch size from 2 sites over 2 yrs | 2.64 - 3.33 | eggs/clutch | Female | Adult | Delano and Kettleman Hills | 3-22 | Exposure Factor Datasets | |
Age at Sexual Maturity | 9 (occassionally 21) | based on presence of oviductal eggs and breeding color | mo | Female | Adult | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Not Reported | Exposure Factor Datasets | |
Age at Sexual Maturity | 9 - 21 | mo | Male | Adult | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Not Reported | Exposure Factor Datasets | ||
Time of Mating/ Laying | Apr. - June | time of breeding | Both Male and Female | Adult | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Not Reported | Exposure Factor Datasets | ||
Time of Hatching or Parturition | July - Aug. | Both Male and Female | Hatchling | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Not Reported | Exposure Factor Datasets | |||
Time of Mating/ Laying | May - July | time of laying | Female | Adult | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Not Reported | Exposure Factor Datasets | ||
Duration of Incubation or Gestation | 4 | wks | Both Male and Female | Embryo | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Not Reported | Exposure Factor Datasets | ||
Clutches or Litters per year | 1 -2 | clutches/yr | Female | Adult | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Not Reported | Exposure Factor Datasets | ||
Time of Torpor or Hibernation | Oct. - Mar. | Not Reported | Not Reported | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Not Reported | Exposure Factor Datasets | |||
Growth Rate | 11.8 | increase in snout-vent length before retreat in Oct. | mm/mo | Both Male and Female | Hatchling | Pixley National Wildlife Refuge, Delano and Kettleman Hills | 2 | Exposure Factor Datasets | |
Growth Rate | increase in snout-vent length for juvenile to 9 mo period | 14.2 - 16.2 | mm/mo | Both Male and Female | Juvenile | Pixley National Wildlife Refuge, Delano and Kettleman Hills | 7 | Exposure Factor Datasets | |
Growth Rate | 3.4 | increase in snout-vent length from 8 to 12 mo | mm/mo | Male | Pixley National Wildlife Refuge, Delano and Kettleman Hills | 3 | Exposure Factor Datasets | ||
Growth Rate | 1.6 | increase in snout-vent length from 8 to 12 mo | mm/mo | Female | Pixley National Wildlife Refuge, Delano and Kettleman Hills | 2 | Exposure Factor Datasets | ||
Growth Rate | 2.0 | increase in snout-vent length | mm/mo | Male | Adult | Pixley National Wildlife Refuge, Delano and Kettleman Hills | 36 | Exposure Factor Datasets | |
Growth Rate | 0.7 | increase in snout-vent length | mm/mo | Female | Adult | Pixley National Wildlife Refuge, Delano and Kettleman Hills | 38 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|
Population Density | review | reported densities range from 0.10 - 3.4 lizards/acre (from unpublished reports) | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 5.69 | average clutch size | eggs/clutch | Female | Adult | Arroyo Laguna, Little Pico Creek, Pico Creek and San Simeon Creek | 81 clutches | Exposure Factor Datasets | |
Clutches or Litters per year | range of average number of clutches/yr | 1.0 - 1.7 | clutches/yr | Female | Adult | Arroyo Laguna, Little Pico Creek, Pico Creek and San Simeon Creek | 81 clutches | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 80-93 | age of puberty attainment | d | Male | Yearling | east-central area | 79 birds | Exposure Factor Datasets |
Age at Sexual Maturity | 93+ | age of puberty attainment | d | Female | Yearling | east-central area | 91 birds | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 48.0 % | mean annual mortality rate | 4.3 SE | Both Male and Female | Adult | Berkeley | 725 birds | Exposure Factor Datasets | |
Longevity | 1.53 | mean life span | 0.19 SE | yr | Both Male and Female | Adult | Berkeley | 725 birds | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 140.4 | mean body weight | 10.5 SD | g | Male | Both Adults and Juveniles | captured at Dundee, IL | 6 | Exposure Factor Datasets |
Body Weight - Mean | 129.6 | mean body weight | 6.9 SD | g | Female | Both Adults and Juveniles | captured at Dundee, IL | 14 | Exposure Factor Datasets |
Metabolic Rate | 1.11 | mean oxygen consumption during the light period at 10 deg C | 0.29 SD | ml O2/g bw/hr | Male | Both Adults and Juveniles | captured at Dundee, IL | 6 | Exposure Factor Datasets |
Metabolic Rate | 1.14 | mean oxygen consumption during the light period at 10 deg C | 0.46 SD | ml O2/g bw/hr | Female | Both Adults and Juveniles | captured at Dundee, IL | 14 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 0.02 | density of nests | nests/ha | Both Male and Female | Adult | Idaho National Engineering Laboratory | 15 plots | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Home Range | 1070 | average home range estimated using minimum convex polygon method (snout-vent length, 80+mm) | 228 (95CI) | m2 | Male | Adult | Whitewater Floodplain Reserve, Palm Springs | 25 | Exposure Factor Datasets |