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Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | range of mean clutch sizes | 3.31 - 4.48 | eggs/clutch | Female | Adult | Phoenix South Mountain, Casa Grande, AZ; El Paso, TX [lat., 31-33] | 13-44 animals/site and time period | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Home Range | 284.3 | home range estimated using convex polygon method | 41.5 (95%CI) | m2 | Male | Adult | Carlsbad (elev., 1067m) | Not Reported | Exposure Factor Datasets |
Home Range | 153.6 | home range estimated using convex polygon method | 24.7 (95%CI) | m2 | Female | Adult | Carlsbad (elev., 1067m) | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Population Density | range of average densities estimated over 2 yrs | 21.7 - 24.2 | #/ha | Not Reported | Not Reported | Chuckwalla Mountains (elev., 460m), [lat., 33^o37'N; long., 115^o18' W] | Not Reported | Exposure Factor Datasets |
Population Density | range of average densities estimated over 2 yrs | 10.8 - 13.4 | #/ha | Not Reported | Not Reported | Panamint Valley (elev., 790m), [lat., 36^o20'N; long., 117^o30' W] | Not Reported | Exposure Factor Datasets |
Population Density | range of average densities estimated over 2 yrs | 37.6 - 84.6 | #/ha | Not Reported | Not Reported | San Joaquin Valley (elev., 460m), [lat., 37^o38'N; long., 121^o29' W] | Not Reported | Exposure Factor Datasets |
Survival/ Mortality | range of early activity season (spring to summer) mortality rates measured over 3 yrs | 0.307 - 0.619 | deaths/100 lizards/d | Not Reported | Adult | Chuckwalla Mountains (elev., 460m), [lat., 33^o37'N; long., 115^o18' W] | 90-169/yr | Exposure Factor Datasets |
Survival/ Mortality | range of early activity season (spring to summer) mortality rates measured over 3 yrs | 0.463 - 0.542 | deaths/100 lizards/d | Not Reported | Adult | Panamint Valley (elev., 790m), [lat., 36^o20'N; long., 117^o30' W] | 33-48/yr | Exposure Factor Datasets |
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 |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 4.6 | average clutch size | eggs/female | Female | Adult | Corral Hollow Road | 16 | Exposure Factor Datasets |
Clutch or Litter Size | 4.3 | average clutch size | eggs/female | Female | Adult | Del Puerto Canyon Road | 27 | Exposure Factor Datasets |
Clutch or Litter Size | 6.3 | average clutch size | eggs/female | Female | Adult | Los Banos Creek, Billy Wright Road | 35 | Exposure Factor Datasets |
Body Weight - Mean | 0.42 | average egg weight | g | Not Reported | Embryo | Corral Hollow Road | 12 | Exposure Factor Datasets |
Body Weight - Mean | 0.38 | average egg weight | g | Not Reported | Embryo | Del Puerto Canyon Road | 27 | Exposure Factor Datasets |
Body Weight - Mean | 0.35 | average egg weight | g | Not Reported | Embryo | Los Banos Creek, Billy Wright Road | 35 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Population Density | range of 3 yearly averages for 4 study sites | 42.5 - 80.3 | #/ha | Both Male and Female | Both Adults and Juveniles | Rock Valley, Nye County | Not Reported | Exposure Factor Datasets |
Clutch or Litter Size | range of average clutch sizes on 8 dates | 0.46 - 3.20 | eggs/clutch | Female | Adult | Not Reported | Exposure Factor Datasets | |
Clutch or Litter Size | range of average clutch sizes on 8 dates | 0.60 - 4.50 | eggs/clutch | Female | Adult | Not Reported | Exposure Factor Datasets | |
Clutches or Litters per year | 2 - 5 | clutches/yr | Female | Adult | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | range of monthly average clutch sizes over 3 yrs | 2.8 - 4.7 | eggs/clutch | Female | Adult | 13-48 lizards/10 dates | Exposure Factor Datasets | |
Clutches or Litters per year | at least 3 | clutches/yr | Female | Adult | Not Reported | Exposure Factor Datasets | ||
Duration of Incubation or Gestation | time from egg laying to hatching | 65 - 77 | d | Both Male and Female | Embryo | Not Reported | Exposure Factor Datasets | |
Time of Hatching or Parturition | June - Oct. | based on hatchling observations | Not Reported | Embryo | Not Reported | Exposure Factor Datasets | ||
Growth Rate | range of average male and female growth rates, based on increases in snout-vent length | 0.19 - 0.22 | mm/d | Both Male and Female | Hatchling | 418 - 496/sex | Exposure Factor Datasets | |
Body Weight - Mean | range of average egg weights for clutch sizes of 2-6. | 0.17 - 0.27 | g | Both Male and Female | Embryo | 1-28 clutches | Exposure Factor Datasets | |
Growth Rate | range of average male and female growth rates, based on increases in snout-vent length | 0.11 - 0.15 | mm/d | Both Male and Female | Hatchling | 35-72/sex | Exposure Factor Datasets | |
Growth Rate | range of average male and female growth rates, based on increases in snout-vent length (40-49 mm) | 0.24 - 0.27 | mm/d | Both Male and Female | Adult | 17-21/sex | Exposure Factor Datasets | |
Population Density | 36 - 109 | #/acre | Both Male and Female | Juvenile | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|
Time of Hatching or Parturition | July - Sept. | Not Reported | Hatchling | El Paso Mountains [lat., 35^o30'; long., 117^o40'] | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Population Density | 50.2 | #/ha | Both Male and Female | Both Adults and Juveniles | Dona Ana county [lat., 31^o47'10" N; long., 106^o35'05"W], (elev., 1250m) | 45 marked lizards | Exposure Factor Datasets | ||
Home Range | 0.254 | average home range estimated from recapture radii (mean plus 2s) for individuals with 5+ recaptures | 0.046-0.712 | acres | Male | Not Reported | Dona Ana county [lat., 31^o47'10" N; long., 106^o35'05"W], (elev., 1250m) | 9 | Exposure Factor Datasets |
Home Range | 0.097 | average home range estimated from recapture radii (mean plus 2s) for individuals with 5+ recaptures | 0.016-0.164 | acres | Female | Not Reported | Dona Ana county [lat., 31^o47'10" N; long., 106^o35'05"W], (elev., 1250m) | 11 | Exposure Factor Datasets |
Growth Rate | 0.034 | increase in snout-vent length, initial snout-vent length range, 48-53 mm | mm/d | Female | Not Reported | Dona Ana county [lat., 31^o47'10" N; long., 106^o35'05"W], (elev., 1250m) | 10 | Exposure Factor Datasets | |
Growth Rate | 0.028 | increase in snout-vent length, initial snout-vent length range, 41-46 mm | mm/d | Male | Not Reported | Dona Ana county [lat., 31^o47'10" N; long., 106^o35'05"W], (elev., 1250m) | 10 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2.5 | based on number of enlarged vitellogenic ovarian follicles (>2 mm) or oviductal eggs during a "dry" year | 0.38 | 2 - 3 | eggs/clutch | Female | Adult | Anapra, Dona Ana county | 8 | Exposure Factor Datasets |
Clutch or Litter Size | 3.75 | based on number of enlarged vitellogenic ovarian follicles (>2 mm) or oviductal eggs during a "wet" year | 0.25 | 3 - 5 | eggs/clutch | Female | Adult | Anapra, Dona Ana county | 20 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 10 - 12 | mo | Both Male and Female | Adult | Palo Duro Canyon, Armstrong County (elev., 2000-3600 ft); Kermit , Winkler County and Monahans, Ward County (elev., 2800 ft) | 1907 | Exposure Factor Datasets | ||
Time of Mating/ Laying | Apr. - June | time of breeding | Both Male and Female | Adult | Palo Duro Canyon, Armstrong County (elev., 2000-3600 ft); Kermit , Winkler County and Monahans, Ward County (elev., 2800 ft) | 1907 | Exposure Factor Datasets | ||
Clutch or Litter Size | 4 | eggs/female | Female | Adult | Palo Duro Canyon, Armstrong County (elev., 2000-3600 ft); Kermit , Winkler County and Monahans, Ward County (elev., 2800 ft) | Not Reported | Exposure Factor Datasets | ||
Clutches or Litters per year | 3 | clutches/yr | Female | Adult | Palo Duro Canyon, Armstrong County (elev., 2000-3600 ft); Kermit , Winkler County and Monahans, Ward County (elev., 2800 ft) | Not Reported | Exposure Factor Datasets |