Brown pelicans: Improved reproduction off the southern California coast

Author(s)

Anderson, Daniel W., Joseph R. Jehl, Jr., Robert W. Risebrough, Leon A. Woods, Jr., Lawrence R. Deweese, and William G. Edgecomb

Year

Wed, 01/01/1975 - 12:00

Article Title

Brown pelicans: Improved reproduction off the southern California coast

Volume

190

Pages

806-808

Start Page Number

806

Final Page

808

Review

Datapoints

Displaying 1 - 3 of 3 datapoints.

Species: California Brown Pelican (Pelecanus occidentalis ssp. californicus)
Chemical	Toxicity Endpoint Type	Endpoint Description	Endpoint Value	Sample Size	Life Cycle Stage	Study Duration	Specific Location	Type
DDD (4,4'-), DDE (4,4'-), DDT (4,4'-)	TOX-REPRO - physiology	eggshell thickness (of intact or broken eggshells)	significantly decreased compared to pre-1943 samples	86 eggs	Adult	NR	Anacapa Island and Isla Coronado Norte	Toxicity Factor Datasets
DDD (4,4'-), DDE (4,4'-), DDT (4,4'-)	TOX-REPRO - reproductive success	mean number of fledglings produced per nest in 1974	increased compared to positive control (1969 data)	1286 nests	Fledgling	NR	Anacapa Island and Isla Coronado Norte	Toxicity Factor Datasets
DDD (4,4'-), DDE (4,4'-), DDT (4,4'-)	TOX-EXP IND - accumulation	concentration in egg contents	non-detectable DDT plus TDE, 96.6 ppm DDE, lipid wet basis	39 eggs	Adult	NR	Anacapa Island and Isla Coronado Norte	Toxicity Factor Datasets