East versus West: Organic contaminant differences in brown pelican (Pelecanus occidentalis) eggs from South Carolina, USA and the Gulf of California, Mexico

Brown pelicans (Pelecanus occidentalis) were listed as endangered in the United States in 1970, largely due to reproductive failure and mortality caused by organochlorine contaminants, such as DDT. The southeast population, P.o. carolinensis, was delisted in 1985, while the west coast population, P....

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Bibliographic Details
Published in:The Science of the total environment 2012-11, Vol.438, p.527-532
Main Authors: Vander Pol, Stacy S., Anderson, Daniel W., Jodice, Patrick G.R., Stuckey, Joyce E.
Format: Article
Language:English
Subjects:
Analysis of Variance
Animal, plant and microbial ecology
Animals
Applied ecology
Biological and medical sciences
Biomonitor
Birds
Brown pelican
Chlordan - analysis
chlordane
Coastal environments
coasts
Contaminants
DDT (pesticide)
DDT - analysis
Dieldrin
Dieldrin - analysis
ecosystems
Ecotoxicology, biological effects of pollution
Egg
Eggs
Environmental Monitoring - methods
Environmental Monitoring - statistics & numerical data
Environmental Pollutants - analysis
ethers
Flame retardant
Fundamental and applied biological sciences. Psychology
gas chromatography
Gas Chromatography-Mass Spectrometry
General aspects
Gulfs
Limit of Detection
Lindane - analysis
Marine
mass spectrometry
Mexico
mirex
Mirex - analysis
mortality
Multivariate Analysis
mussels
Oceans and Seas
Ovum - chemistry
oysters
Pelecanus
Pelecanus occidentalis
Pesticide
Polychlorinated biphenyl
polychlorinated biphenyls
Polychlorinated Biphenyls - analysis
Principal Component Analysis
Samples
seabirds
South Carolina
Statistical analysis
Statistical methods
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Summary:Brown pelicans (Pelecanus occidentalis) were listed as endangered in the United States in 1970, largely due to reproductive failure and mortality caused by organochlorine contaminants, such as DDT. The southeast population, P.o. carolinensis, was delisted in 1985, while the west coast population, P.o. californicus, was not delisted until 2009. As fish-eating coastal seabirds, brown pelicans may serve as a biomonitors. Organic contaminants were examined in brown pelican eggs collected from the Gulf of California in 2004 and South Carolina in 2005 using gas chromatography/mass spectrometry (GC/MS). Contaminants were compared using all individual data as well as statistically pooled samples to provide similar sample sizes with little difference in results. Principal components analysis separated the Gulf of California brown pelican eggs from the South Carolina eggs based on contaminant patterns. The South Carolina population had significantly (P
ISSN:0048-9697
1879-1026
DOI:10.1016/j.scitotenv.2012.08.055