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Sceloporus occidentalis

Citation:

Seasonal changes in oxygen consumption and body composition of Scleporus occidentalis

Author(s)
Heusner, A.A. and E.W. Jameson, Jr.
Pages
363-372
Year
Volume
69
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Metabolic Rate OC = 0.23(BW)^0.67 equation for relating resting oxygen consumption (OC; ml O2/hr) to body mass (BW; g) @ 25C ml O2/g/hr Both Male and Female Adult Sierra Nevada (elev., 150 and 1500 m) 154 animals Exposure Factor Datasets
Citation:

Fat and breeding cycles in two montane populations of Sceloporus occidentalis (Reptilia, Lacertilia, Iguandidae)

Author(s)
Jameson, E.W. Jr. and Allen Allison
Pages
211-220
Year
Issue
3
Volume
10
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Time of Torpor or Hibernation Sept. - Apr. Both Male and Female Both Adults and Juveniles yellow pine forest, central Sierra Nevada (elev., 1500m) Not Reported Exposure Factor Datasets
Clutch or Litter Size 11.3 0.41SE eggs/clutch Female Adult yellow pine forest, central Sierra Nevada (elev., 1500m) 48 Exposure Factor Datasets
Duration of Incubation or Gestation 59 d Both Male and Female Embryo yellow pine forest, central Sierra Nevada (elev., 1500m) Not Reported Exposure Factor Datasets
Time of Mating/ Laying Apr. (begin) time of mating Both Male and Female Adult yellow pine forest, central Sierra Nevada (elev., 1500m) Not Reported Exposure Factor Datasets
Time of Torpor or Hibernation Sept. - May or June Both Male and Female Both Adults and Juveniles red fir forest, Donner Summit, central Sierra Nevada (elev., 2200m) Not Reported Exposure Factor Datasets
Time of Mating/ Laying June - July time of laying Both Male and Female Adult central Sierra Nevada (elev., 1500 or 2200m) Not Reported Exposure Factor Datasets
Time of Hatching or Parturition Aug. - Oct. time of hatching Both Male and Female Hatchling central Sierra Nevada (elev., 1500 or 2200m) Not Reported Exposure Factor Datasets
Clutches or Litters per year 1-2 clutches/yr Female Adult central Sierra Nevada (elev., 1500 or 2200m) Not Reported Exposure Factor Datasets
Age at Sexual Maturity 20 mo Both Male and Female Adult central Sierra Nevada (elev., 1500 or 2200m) Not Reported Exposure Factor Datasets
Time of Mating/ Laying May-June (begin) time of mating Both Male and Female Adult central Sierra Nevada (elev., 2200m) Not Reported Exposure Factor Datasets
Body Fat (total or %) see citation figure of seasonal changes in total body fat Both Male and Female Adult central Sierra Nevada (elev., 1500 or 2200m) 9-44 animals/mo Exposure Factor Datasets
Duration of Incubation or Gestation 53 d Both Male and Female Embryo yellow pine forest, central Sierra Nevada (elev., 2200m) Not Reported Exposure Factor Datasets
Citation:

Seasonal, sexual and altitudinal variations in stomach content and ingested fat in Sceloporus occidentalis

Author(s)
Jameson, E.W. Jr., A.A. Heusner and Donna Lem
Pages
255-261
Year
Issue
3
Volume
14
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Location Sample Size Type
Food Ingestion Rate SCW = 0.46(BW)^0.63 equation relating stomach content fresh weight (SCW; mg) to body weight (BW; g) mg Both Male and Female Not Reported yellow pine forest (elev., 1500m) and valley grassland (elev., 150m), central Sierra Nevada 920 animals Exposure Factor Datasets
Food Ingestion Rate 127 estimated average stomach content fresh weight in 5 g lizard mg Both Male and Female Not Reported central Sierra Nevada (elev., 150m and 1500m) Not Reported Exposure Factor Datasets
Food Ingestion Rate 245 estimated average stomach content fresh weight in a 15 g lizard mg Both Male and Female Not Reported central Sierra Nevada (elev., 150m and 1500m) Not Reported Exposure Factor Datasets
Body Weight - Mean 9.64 mean snout-vent length = 66.35mm 3.95SD g Male Not Reported valley grassland (elev., 150m), central Sierra Nevada 295 animals Exposure Factor Datasets
Body Weight - Mean 8.08 average snout-vent length = 62.99 mm 3.76SD g Female Not Reported valley grassland (elev., 150m), central Sierra Nevada 194 animals Exposure Factor Datasets
Body Weight - Mean 11.31 average snout-vent length = 68.05 mm 3.88SD g Male Not Reported yellow pine forest (elev., 1500m), central Sierra Nevada 256 animals Exposure Factor Datasets
Body Weight - Mean 8.61 average snout-vent length = 62.67 mm 4.26SD g Female Not Reported yellow pine forest (elev., 1500m), central Sierra Nevada 184 animals Exposure Factor Datasets
Food Ingestion Rate 213 mean measured stomach content fresh weight of lizards averaging 9.6 g 130SD mg Male Not Reported valley grassland (elev., 150m), central Sierra Nevada 295 Exposure Factor Datasets
Food Ingestion Rate 249 mean measured stomach content fresh weight of lizard averaging 8.1 g 180SD mg Female Not Reported valley grassland (elev., 150m), central Sierra Nevada 194 Exposure Factor Datasets
Food Ingestion Rate 223 mean measured stomach content fresh weight of lizard averaging 11.3 g 171SD mg Male Not Reported yellow pine forest (elev., 1500m), central Sierra Nevada 256 animals Exposure Factor Datasets
Food Ingestion Rate 219 mean measured stomach content fresh weight of lizard averaging 8.6 g 182SD mg Female Not Reported yellow pine forest (elev., 1500m), central Sierra Nevada 184 animals Exposure Factor Datasets
Citation:

Respiratory changes during attempted induced hibernation in Sceloporus occidentalis in San Diego County, California

Author(s)
Mazzarella, Daral B.
Pages
310-314
Year
Issue
2
Volume
1976
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 4.5 - 16.4 g Not Reported Not Reported U.S. International University Campus 60 Exposure Factor Datasets
Metabolic Rate 0.24 oxygen consumption measured in laboratory at 23C on newly caught (1 wk) lizards 0.20-0.28 cc O2/g/hr Not Reported Not Reported U.S. International University Campus 20 Exposure Factor Datasets
Citation:

Observations on the food of three forest-dwelling lizards in California

Author(s)
Otvos, Imre S.
Pages
6-7
Year
Issue
1
Volume
8
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Aranea (8%); Coleoptera (12%); Lepidoptera (80%) estimated percent of total volume of stomach contents % Not Reported Not Reported Blodgett Research Forest (elev., 1250-1310m), Challenge (elev., 760-910m) and McCloud Flat, Shasta-Trinity Forest (elev., 1160m) 3 Exposure Factor Datasets
Citation:

Habitat and prey selection of Sceloporus occidentalis and Sceloporus graciosus

Author(s)
Rose, Barbara R.
Pages
531-541
Year
Volume
57
Exposure Endpoint Type Endpoint Value Error Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 14.4 0.90SD g Not Reported Adult Blackbird Valley (elev., 855-975m) and Foss Valley (elev., 436m) 56 Exposure Factor Datasets
Citation:

Dietary overlap of Sceloporus occidentalis and S. graciosus

Author(s)
Rose, Barbara R.
Pages
818-820
Year
Volume
1976
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Formicidae (34.8-34.1%); Coleoptera (18.1-26.4%); Isoptera (19.8-17.2%); Hemiptera-Homoptera (5.0-8.1%); Non-formicid Hymenoptera (5.6-6.5%); Diptera (0.5-1.4%); Orthoptera (1.7-2.6%); Odonata (0.0-0.3%); Dermaptera (0.0-1.3%); Insect larvae (2.8-4.8%); Isopoda (0.0-1.4%); Arancae (1.6-2.8%); Land snails (0.0-0.5%); Sceloporus hatchlings (0.0-0.1%) and Unknown (1.4-2.0%) percentage of total individuals of various prey taxa in stomach contents. % Not Reported Adult Blackbird Valley and Foss Valley 45-47 animals/site Exposure Factor Datasets
Citation:

Malarial parasitism and home range and social status of male western fence lizards, Sceloporus occidentalis

Author(s)
Schall, Jos. J. and Philip R. Houle
Pages
74-76
Year
Issue
1
Volume
26
Exposure Endpoint Type Range Units Sex Life Cycle Stage Location Sample Size Type
Home Range 13.7 - 21.1 m2 Male Adult Hopland Field Station (160 km N of San Francisco) 24 Exposure Factor Datasets
Citation:

Growth plasticity and thermal opportunity in Sceloporus lizards

Author(s)
Sinervo, Barry and Stephen C. Adolph
Pages
776-790
Year
Issue
3
Volume
75
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Sample Size Type
Growth Rate range of means of absolute growth rates 0.0627 - 0.0852 g/d Both Male and Female Hatchling Not Reported Exposure Factor Datasets
Body Weight - Mean range of means 0.567 - 0.712 g Both Male and Female Hatchling 52 - 73 Exposure Factor Datasets

Sceloporus occidentalis ssp. occidentalis

Citation:

The diet of the pacific fence lizard, Scleoporus occidentalis occidentalis (Baird and Girard), from northern California

Author(s)
Johnson, Clifford Ray
Pages
114-117
Year
Volume
21
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Thysanura (0.5%); Collembola (1.0%); Dermaptera (0.5%); Orthoptera (37.1%); Isoptera (6.2%); Ephemeroptera (0.5%); Plecoptera (2.9%); Homoptera (5.7%); Hemiptera (27.6%); Coleoptera (42.4%); Diptera (47.1%); Lepidoptera (18.1%); Hymenoptera (20.9%); Isopoda (2.4%); Chilopoda (0.5%); Araneida (19.0%); Acarina (1.0%); S. occidentalis (1.4%) percent of lizards in which prey type occurred in stomach contents % Both Male and Female Adult oak-grassland and creosote bush-rocky moutain terrain 210 Exposure Factor Datasets

Vulpes macrotis ssp. nevadensis

Citation:

Population dynamics of the kit fox in western Utah

Author(s)
Egoscue, Harold J.
Pages
122-127
Year
Issue
3
Volume
74
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Time of Migration or Dispersal late summer time of juvenile dispersal from natal territory Both Male and Female Juvenile western Utah Not Reported Exposure Factor Datasets

Vulpes macrotis ssp. mutica

Citation:

Distribution and habitat requirements of the San Joaquin kit fox in the northern extreme of their range

Author(s)
Orloff, Susan, Frank Hall and Linda Spiegel
Pages
60-70
Year
Volume
22
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Jerusalem crickets (27%), unident. birds (2%), rabbits (3%), California ground squirrel (35%), pocket mice (2%), western harvest mice (17%), Peromyscus sp. (13%) percent volume of total prey items in scat % Both Male and Female Not Reported Bethany Reservoir 10 scats Exposure Factor Datasets
Dietary Composition Jerusalem crickets (1%), unident. reptiles (1%), unident. birds (1%), rabbits (5%), California ground squirrel (62%), pocket mice (5%), western harvest mice (10%), Peromyscus sp. (11%) percent volume of total prey items in scat % Both Male and Female Not Reported Bethany Reservoir 10 scats Exposure Factor Datasets
Dietary Composition Jerusalem crickets (20%), unident. insects (4%), unident. birds (10%), desert cottontail (1%), rabbits (5%), California ground squirrel (27%), pocket mice (13%), western harvest mice (9%), Peromyscus sp. (9%), unident. cricetid rodents (5%) percent volume of total prey items in scat % Both Male and Female Not Reported Bethany Reservoir 10 scats Exposure Factor Datasets
Dietary Composition unident. vegetation (4%), California ground squirrel (83%), California pocket mice (2%), Peromyscus sp. (5%), unident. cricetid rodents (5%) percent volume of total prey items in scat % Both Male and Female Not Reported Bethany Reservoir 10 scats Exposure Factor Datasets
Survival/ Mortality 80 % Both Male and Female Juvenile Bethany Reservoir 5 foxes Exposure Factor Datasets
Survival/ Mortality 67 % Both Male and Female Adult Bethany Reservoir 3 foxes Exposure Factor Datasets
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