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Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | estimated feeding rate to support energy expenditure measured in field | 19.1 - 28.5 | mg dry food/g/d | Not Reported | Hatchling | Thousand Palms | 7-9/time period | Exposure Factor Datasets | |
Time of Hatching or Parturition | Aug. | Not Reported | Hatchling | Thousand Palms | Not Reported | Exposure Factor Datasets | |||
Growth Rate | 0.0003 - .145 | g/d | Not Reported | Hatchling | Thousand Palms | 5 - 52/sampling time | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Apr. - July | time of potential breeding based on testis volume | Male | Adult | Dale Dry Lake, Palm Springs and Algodones Dunes | 365 | Exposure Factor Datasets | ||
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 Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Time of Torpor or Hibernation | Sept. - Mar. | Not Reported | Adult | Phoenix South Mountain, Maricopa County | Not Reported | Exposure Factor Datasets | |||
Growth Rate | 2.7 | growth rate based on changes in snout-vent length (48-73 mm) | 0.0 - 5.1 | mm/mo | Not Reported | Juvenile | Phoenix South Mountain, Maricopa County | 22 | Exposure Factor Datasets |
Population Density | 11 - 20 | #/ha | Not Reported | Juvenile | Phoenix South Mountain, Maricopa County | 11-20 | Exposure Factor Datasets | ||
Age at Sexual Maturity | 45 | minimum adult size at first reproduction, estimated from growth rate | mo | Not Reported | Adult | Phoenix South Mountain, Maricopa County | 22 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 86 | incubation period at 28C | d | Not Reported | Embryo | 12 | Exposure Factor Datasets |
Duration of Incubation or Gestation | 44 | incubation period at 36C | d | Not Reported | Embryo | 60 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|
Metabolic Rate | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |