Ecology of the island night lizard, Xantusia riversiana, on Santa Barbara Island, California

Author(s)
Fellers, Gary M. and Charles A. Drost
Year
Article Title
Ecology of the island night lizard, Xantusia riversiana, on Santa Barbara Island, California
Volume
5
Pages
28-78
Start Page Number
28
Final Page
78
Review

Datapoints

Displaying 1 - 15 of 15 datapoints.
Species: Island Night Lizard (Xantusia riversiana)
Exposure Endpoint Type Endpoint Description Endpoint Value Sample Size Units Condition Life Cycle Stage Specific Location Range Type
Growth Rate increase in snout-vent length (80-90 mm size class) 0.011 Not Reported mm/d Santa Barbara Island Exposure Factor Datasets
Body Weight - Mean range of average male and average female weights 258 g non-pregnant Adult Santa Barbara Island 14.1 - 17.3 Exposure Factor Datasets
Growth Rate increase in snout-vent length (90-100 mm size class) 0.005 Not Reported mm/d Santa Barbara Island Exposure Factor Datasets
Body Weight - Mean lizard body weight (BW; g) as an exponential function of snout-vent length (SVL,mm) BW = -0.26 + 0.000028(SVL)^3 792 g non-pregnant Both Adults and Juveniles Santa Barbara Island Exposure Factor Datasets
Home Range 17.2 6 m2 Adult Santa Barbara Island 6.6 - 29.0 Exposure Factor Datasets
Age at Sexual Maturity 2.5 Not Reported yr Adult Santa Barbara Island Exposure Factor Datasets
Population Density Not Reported #/ha Not Reported Santa Barbara Island 1665 - 3213 Exposure Factor Datasets
Age at Sexual Maturity 2.9 Not Reported yr Adult Santa Barbara Island Exposure Factor Datasets
Dietary Composition % of samples with item in stomach contents Animals, Araneida (15.4%); Crustacea (Isopoda) (50%); Hemiptera (7.7%); Homoptera (15.4%); Coleoptera (11.5%); Lepidoptera (11.5%); Diptera (11.5%); Hymenoptera (7.7%); Other insecta (23.1%); Other arthropoda (15.4%); Vertebrata (3.8%); Plants, Aizoaceae (3.8%); Chenopodiaceae (15.4%); Solanaceae (7.7%); Asteraceae (3.8%); Other plants (38.5%) 26 % Not Reported Santa Barbara Island Exposure Factor Datasets
Longevity estimated from largest lizard (snout-vent length, 102.5 mm)and known growth rates 13.4 Not Reported yr Adult Santa Barbara Island Exposure Factor Datasets
Growth Rate increase in snout-vent length (34-40 mm size class) 0.022 Not Reported mm/d Santa Barbara Island Exposure Factor Datasets
Growth Rate increase in snout-vent length (40-50 mm size class) 0.046 Not Reported mm/d Santa Barbara Island Exposure Factor Datasets
Growth Rate increase in snout-vent length (50-60 mm size class) 0.040 Not Reported mm/d Santa Barbara Island Exposure Factor Datasets
Growth Rate increase in snout-vent length (60-70 mm size class) 0.030 Not Reported mm/d Santa Barbara Island Exposure Factor Datasets
Growth Rate increase in snout-vent length (70-80 mm size class) 0.018 Not Reported mm/d Santa Barbara Island Exposure Factor Datasets

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