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Dipsosaurus dorsalis

Citation:

Relationship of space use to population density in an herbivorus lizard

Author(s)
Alberts, Allison C.
Pages
469-479
Year
Issue
4
Volume
49
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density range over 3 yrs at 3 sites 7 - 35 #/ha Both Male and Female Adult Coachella Valley 96 marked lizards Exposure Factor Datasets
Home Range minimum area versus probability estimate for 3 sites; estimate of area encompassing 95% of total space utilization 189 - 738 m2 Male Adult Coachella Valley Not Reported Exposure Factor Datasets
Home Range minimum area versus probability estimates for 3 sites; estimate of area encompassing 95% of total space utilization 79 - 229 m2 Female Adult Coachella Valley Not Reported Exposure Factor Datasets
Body Weight - Mean range of averages for 3 sites 54.0 - 60.5 g Male Adult Coachella Valley Not Reported Exposure Factor Datasets
Body Weight - Mean range of averages for 3 sites 42.7 - 50.2 g Female Adult Coachella Valley Not Reported Exposure Factor Datasets
Citation:

Aerobic and anaerobic metabolism during activity in the lizard Dipsosaurus dorsalis

Author(s)
Bennett, Albert F. and William R. Dawson
Pages
289-299
Year
Volume
81
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 35.2 28.7 - 42.6 g Both Male and Female Adult animals originally captured at Riverside County, CA 30 Exposure Factor Datasets
Metabolic Rate see citation figure of standard and maximal activity metabolic rates at 25-45C cm3 O2/g/hr Both Male and Female Adult 30 Exposure Factor Datasets
Citation:

Reproduction and estrogen-induced vitellogenesis in Dipsosaurus dorsalis

Author(s)
Gerstle, Jinny F. and Ian P. Callard
Pages
791-801
Year
Volume
42
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean range of means during 5 stages of reproductive cycle 32.2 - 47.8 g Female Adult Southwest Herpetlogical Research and Sales, Calimesa 7-15/stage Exposure Factor Datasets
Citation:

Seasonal variations in activity, aerobic energetic capacities, and plasma thryoid hormones (T3 and T4) in an iguanid lizard

Author(s)
John-Alder, Henry B.
Pages
409-419
Year
Volume
154
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Sample Size Type
Metabolic Rate range of standard metabolic rates (oxygen consumption) measured at 40C, predicted for 50 g animal, at 5 collection dates 0.144 - 0.214 ml O2/g/hr Both Male and Female Adult 11-21/date Exposure Factor Datasets
Metabolic Rate range of maximal rates of oxygen consumption measured at 40C, predicted for 50 g animal, at 5 collection dates 1.369 - 2.104 ml O2/g/hr Both Male and Female Adult 11-21/date Exposure Factor Datasets
Citation:

Life history of the desert iguana, Dipsosaurus dorsalis

Author(s)
Krekorian, C. O'Neil
Pages
415-424
Year
Issue
4
Volume
40
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 9.2 2.1 SD g Not Reported Juvenile Thousand Palms 65 Exposure Factor Datasets
Body Weight - Mean 29.2 8.6 SD 14.5 - 47.0 g Not Reported Juvenile Thousand Palms 25 Exposure Factor Datasets
Body Weight - Mean 46.0 13.4 SD 23.5 - 65.6 g Both Male and Female Both Adults and Juveniles Thousand Palms 11 Exposure Factor Datasets
Body Weight - Mean 43.3 9.7 SD 30.0 - 57.0 g Both Male and Female Adult Thousand Palms 5 Exposure Factor Datasets
Body Weight - Mean 5.2 1.0 SD 2.0 - 7.8 g Both Male and Female Juvenile Thousand Palms 37 Exposure Factor Datasets
Population Density 332 #/ha Both Male and Female Both Adults and Juveniles Thousand Palms Not Reported Exposure Factor Datasets
Longevity longest lived individual in study 7.5 - 8.5 yr Both Male and Female Adult Thousand Palms Not Reported Exposure Factor Datasets
Survival/ Mortality 73 annual survivorship % Not Reported Hatchling Thousand Palms 37 marked Exposure Factor Datasets
Survival/ Mortality 43 average annual survivorship estimated for 2 yrs 40 - 46 % Not Reported Thousand Palms 27-65 marked/yr Exposure Factor Datasets
Survival/ Mortality 46 average annual survivorship estimated over 3 yrs 44 - 50 % Not Reported Thousand Palms 11-30 marked/yr Exposure Factor Datasets
Survival/ Mortality 60 average annual survivorship estimated for 4 yrs 33 - 80 % Both Male and Female Adult Thousand Palms 5-38 marked/yr Exposure Factor Datasets
Age at Sexual Maturity 31 - 33 mo Not Reported Adult Thousand Palms Not Reported Exposure Factor Datasets
Citation:

Home range size and overlap and their relationship to food abundance in the desert iguana, Dipsosaurus dorsalis

Author(s)
Krekorian, C. O'Neil
Pages
405-412
Year
Issue
4
Volume
32
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Home Range 1462 home range estimated using the convex polygon method 201 - 4365 m2 Male Adult Thousand Palms 20 Exposure Factor Datasets
Home Range 1558 home range estimated using the convex polygon method 223 - 4244 m2 Female Adult Thousand Palms 5 Exposure Factor Datasets
Citation:

Population density of the desert iguana, Dipsosaurus dorsalis (Reptilia: Iguanidae) in southern California

Author(s)
Krekorian, C. O'Neil
Pages
268-271
Year
Issue
1
Volume
1983
Exposure Endpoint Type Endpoint Value Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density 450 400 -700 #/ha Not Reported Both Adults and Juveniles Thousand Palms 45 lizards/10 quadrants (100m2) Exposure Factor Datasets
Citation:

Ontogenetic changes in diet, field metabolic rate, and water flux in the herbivorous lizard, Dipsosaurus dorsalis

Author(s)
Mautz, William J. and Kenneth A. Nagy
Pages
640-658
Year
Issue
6
Volume
60
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Time of Torpor or Hibernation Oct. - Mar. Not Reported Not Reported Thousand Palms Not Reported Exposure Factor Datasets
Time of Hatching or Parturition Aug. Not Reported Hatchling Thousand Palms Not Reported Exposure Factor Datasets
Dietary Composition Plant Species: Ambrosia dumosa (4.8%); Coldenia palmeri (27.6%); Croton californica (2.8%); Dalea emoryi (24.7%); Dalea schottii (13.2%); Dicoria canescens (22.5%); Arthropods (1.3%); Rodent feces (2.4%); Gravel (0.6%) mean % of total dry matter stomach contents % Not Reported Adult Thousand Palms 7 Exposure Factor Datasets
Dietary Composition Plant Species: Ambrosia dumosa (19.6%); Coldenia palmeri (10.1%); Dalea schottii (14.4%); Euphorbia polycarpa (4.5%); Geraea canescens (3.1%); Larrea divaricata (32.7%); Palafoxia linearis (11.7%); Rafinesquia neomexicana (1.6%); Schismus barbatus (0.7%);Arthropods (0.5%); Rodent feces (0.5%); Shed skin (0.6%) mean % of total dry matter stomach contents % Not Reported Adult Thousand Palms 6 Exposure Factor Datasets
Dietary Composition Plant Species: Ambrosia dumosa (15.4%); Coldenia palmeri (68.3%); Croton californica (2.8%); Dalea emoryi (5.9%); Dalea schottii (5.6%); Arthropods (1.3%); Gravel (0.8%) mean % of total dry matter stomach contents % Not Reported Hatchling Thousand Palms 12 Exposure Factor Datasets
Dietary Composition Plant Species: Ambrosia dumosa (6.1%); Coldenia palmeri (16.2%); Dalea emoryi (2.9%); Dalea schottii (26.7%); Geraea canescens (4.1%); Larrea divaricata (23.9%); Palafoxia linearis (3.4%); Rafinesquia neomexicana (0.4%); Unidentified vegetation (12.3%); Arthropods (3.0%) mean % of total dry matter stomach contents % Not Reported Hatchling Thousand Palms 5 Exposure Factor Datasets
Body Weight - Mean 3.5 average snout-vent length = 5.1 cm g Not Reported Hatchling Thousand Palms 5 - 52/sampling time Exposure Factor Datasets
Body Weight - Mean 60 average snout-vent length = 12.1 cm g Male Adult Thousand Palms 9-24/sampling time Exposure Factor Datasets
Body Weight - Mean 47 average snout-vent length = 11.2 cm g Female Adult Thousand Palms 4 - 26/sampling time Exposure Factor Datasets
Metabolic Rate range of average field metabolic rates (measured using doubly-labeled water) over 3 time periods 0.152 - 0.295 ml CO2/g/hr Not Reported Adult Thousand Palms 7-11/time period Exposure Factor Datasets
Metabolic Rate range of average field metabolic rates (measured using doubly-labeled water) over 3 time periods 0.350 - 0.380 ml CO2/g/hr Not Reported Hatchling Thousand Palms 7-9/time period Exposure Factor Datasets
Metabolic Rate 0.357 average field metabolic rate (measured using doubly-labeled water) 0.024 SE ml CO2/g/hr Not Reported Juvenile Thousand Palms 8 Exposure Factor Datasets
Metabolic Rate 0.110 (30C); 0.217 (35C); 0.238 (40C) average resting metabolic rate (oxygen consumption) measured at 30-40C ml O2/g/hr Not Reported Adult Thousand Palms 5 Exposure Factor Datasets
Metabolic Rate 0.180 (30C); 0.250 (35C); 0.279 (40C) average resting metabolic rate (oxygen consumption) measured at 30-40C ml O2/g/hr Not Reported Hatchling Thousand Palms 5 Exposure Factor Datasets
Food Ingestion Rate estimated feeding rate to support energy expenditure measured in field 15.2 - 17.1 mg dry food/g/d Not Reported Adult Thousand Palms 7-11/time period Exposure Factor Datasets
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