Toxicity of two insecticides to California, USA, anurans and its relevance to declining amphibian populations.

Author(s)

Sparling, D.W. and Fellers, G.M.

Volume

Issue

Start Page Number

1696

Final Page

1703

Datapoints

Displaying 1 - 10 of 10 datapoints.

Species: Amphibians, Frogs and toads (Anura), Foothill Yellow-Legged Frog (Rana boylii)
Chemical	Toxicity Endpoint Type	Endpoint Description	Endpoint Value	Sample Size	Life Cycle Stage	Study Duration	Specific Location	California Counties	Countries	Type
CHLORPYRIFOS	TOX-MORT - toxicity benchmarks	LC50	Logistic: 108.7 ug/L; SK: 66.5 ug/L	18/treatment	Tadpole	54 d	Eggs from Soda Creek	Lake	USA	Toxicity Factor Datasets
ENDOSULFAN	TOX-MORT - toxicity benchmarks	LC50	Logistic: 0.233 ug/L; SK: 0.55 ug/L	18/treatment	Tadpole	54 d	Eggs from Soda Creek	Lake	USA	Toxicity Factor Datasets
CHLORPYRIFOS	TOX-Non-Repro-Sublethal - whole animal	Body mass	No effect 0-14 d; various by 54 d; see size by exposure in Table 2	18/treatment	Tadpole	54 d	Eggs from Soda Creek	Lake	USA	Toxicity Factor Datasets
ENDOSULFAN	TOX-Non-Repro-Sublethal - whole animal	Body mass	Decreased	18/treatment	Tadpole	54 d	Eggs from Soda Creek	Lake	USA	Toxicity Factor Datasets
CHLORPYRIFOS	TOX-Non-Repro-Sublethal - whole animal	Snout-vent length	No effect 0-14 d; decrease by 34 d; see size by exposure in Table 2	18/treatment	Tadpole	54 d	Eggs from Soda Creek	Lake	USA	Toxicity Factor Datasets
ENDOSULFAN	TOX-Non-Repro-Sublethal - whole animal	Snout-vent length	Decreased	18/treatment	Tadpole	54 d	Eggs from Soda Creek	Lake	USA	Toxicity Factor Datasets
CHLORPYRIFOS	TOX-REPRO - development	Time to metamorphosis	Increased	18/treatment	Tadpole	54 d	Eggs from Soda Creek	Lake	USA	Toxicity Factor Datasets
ENDOSULFAN	TOX-REPRO - development	Time to metamorphosis	No effect	18/treatment	Tadpole	54 d	Eggs from Soda Creek	Lake	USA	Toxicity Factor Datasets
CHLORPYRIFOS	TOX-Non-Repro-Sublethal - cellular/biochemical effects	Cholinesterase activity	Decreased	18/treatment	Tadpole	54 d	Eggs from Soda Creek	Lake	USA	Toxicity Factor Datasets
ENDOSULFAN	TOX-Non-Repro-Sublethal - cellular/biochemical effects	Cholinesterase activity	Decreased	18/treatment	Tadpole	54 d	Eggs from Soda Creek	Lake	USA	Toxicity Factor Datasets

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