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| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Clutches or Litters per year | 1 | clutch/yr | Female | Adult | Dale Dry Lake, Palm Springs and Algodones Dunes | Not Reported | Exposure Factor Datasets | ||
| Clutch or Litter Size | based on eggs in oviduct | 3 - 5 | eggs/clutch | Female | Adult | Dale Dry Lake, Palm Springs and Algodones Dunes | Not Reported | Exposure Factor Datasets | |
| Duration of Incubation or Gestation | 75 | time from egg to hatching | d | Not Reported | Hatchling | Dale Dry Lake, Palm Springs and Algodones Dunes | Not Reported | Exposure Factor Datasets | |
| Time of Hatching or Parturition | Aug. | Not Reported | Hatchling | Dale Dry Lake, Palm Springs and Algodones Dunes | Not Reported | Exposure Factor Datasets | |||
| Age at Sexual Maturity | > 4.5 | yr | Both Male and Female | Adult | Dale Dry Lake, Palm Springs and Algodones Dunes | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | see citation | figure of % of food item in diet, based on dry weight of stomach contents | % | Not Reported | Not Reported | Palm Desert and Thousand Palms | 11-14/season or location | Exposure Factor Datasets |
| Food Ingestion Rate | 50 | rate estimated from intake of preformed water and water content of food for animals maintaining weight on natural vegetation | g fresh wt food//kg/d | Not Reported | Not Reported | Palm Desert and Thousand Palms | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | log weight = 0.010 SVL + 0.46 | relationship between body weight (g) and snout-vent length (SVL, mm) | g | Female | Adult | Palm Desert | Not Reported | Exposure Factor Datasets |
| Body Weight - Mean | log weight = 0.013 SVL + 0.24 | relationship between body weight (g) and snout-vent length (SVL, mm) | g | Female | Adult | Palm Desert | Not Reported | Exposure Factor Datasets |
| Body Weight - Mean | log weight = 0.011 SVL + 0.37 | relationship between body weight (g) and snout-vent length (SVL, mm) | g | Male | Adult | Palm Desert | Not Reported | Exposure Factor Datasets |
| Body Weight - Mean | log weight = 0.011 SVL + 0.46 | relationship between body weight (g) and snout-vent length (SVL, mm) | g | Male | Adult | Palm Desert | Not Reported | Exposure Factor Datasets |
| Body Weight - Mean | log weight = 0.011 SVL + 0.05 | relationship between body weight (g) and snout-vent length (SVL, mm) | g | Not Reported | Juvenile | Palm Desert | Not Reported | Exposure Factor Datasets |
| Body Weight - Mean | log weight = 0.017 SVL - 0.22 | relationship between body weight (g) and snout-vent length (SVL, mm) | g | Not Reported | Juvenile | Palm Desert | Not Reported | Exposure Factor Datasets |
| Body Weight - Mean | log weight = 0.017 SVL - 0.11 | relationship between body weight (g) and snout-vent length (SVL, mm) | g | Not Reported | Juvenile | Palm Desert | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Time of Torpor or Hibernation | Oct. - Mar. | Not Reported | Not Reported | Palm Springs | 95 | Exposure Factor Datasets | ||
| Metabolic Rate | see citation | figure of resting oxygen consumption in hibernating and non-hibernating lizards at several body temperatures | cc O2/g/hr | Not Reported | Not Reported | Palm Springs | 60 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 3 - 8 | eggs/clutch | Female | Adult | Not Reported | Exposure Factor Datasets | |||
| Time of Hatching or Parturition | Aug. | Not Reported | Hatchling | Not Reported | Exposure Factor Datasets | ||||
| Time of Mating/ Laying | Apr. - May | time of breeding | 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 | |||
| Dietary Composition | Plants: Larrea divaricata (85%); Animal: Fecal pellets (10%); Bees (trace); Sand (trace) | % volume of total stomach contents | % | Not Reported | Not Reported | Coachella Valley | 17 | Exposure Factor Datasets | |
| Dietary Composition | Plants: Dicoria canescens (45%); Flower heads of composite (10%); Coldenia sp. (5%); Trifolium sp. (20%); Animal: Grasshoppers (5%); Dipsosaurus (5%); Fecal pellets (5%) | % volume of total stomach contents | % | Not Reported | Not Reported | Coachella Valley | 12 | Exposure Factor Datasets | |
| Dietary Composition | Plants: Dicoria canescens (50%); Flower heads of composite (25%); Dalea emoryi ? (10%); Coldenia sp. (10%) | % volume of total stomach contents | % | Not Reported | Not Reported | Coachella Valley | 8 | 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 |
|---|---|---|---|---|---|---|---|---|
| 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 |
| 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 |
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