Mortality of sea lions along the central California coast linked to a toxic diatom bloom

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Scholin, C. A., Gulland, F., Doucette, G. J., Benson, S., Busman, M., Chavez, F. P., … Van Dolah, F. M. (2000). Mortality of sea lions along the central California coast linked to a toxic diatom bloom. Nature, 403(6765), 80-84. doi:10.1038/47481
Metadata
TitleMortality of sea lions along the central California coast linked to a toxic diatom bloom
AuthorsA. Scholin, F. Gulland, J. Doucette, S. Benson, M. Busman, P. Chavez, J. Cordaro, R. DeLong, A. De Vogelaere, J. Harvey, M. Haulena, K. Lefebvre, T. Lipscomb, S. Loscutoff, J. Lowenstine, R. Marin III, E. Miller, A. McLellan, R. Moeller, L. Powell, T. Rowles, P. Silvagni, M. Silver, T. Spraker, V. Trainer, M. Van Dolah
AbstractOver 400 California sea lions (Zalophus californianus) died and many others displayed signs of neurological dysfunction along the central California coast during May and June 1998. A bloom of Pseudo-nitzschia australis (diatom) was observed in the Monterey Bay region during the same period. This bloom was associated with production of domoic acid (DA), a neurotoxin that was also detected in planktivorous fish, including the northern anchovy (Engraulis mordax), and in sea lion body fluids. These and other concurrent observations demonstrate the trophic transfer of DA resulting in marine mammal mortality. In contrast to fish, blue mussels (Mytilus edulus) collected during the DA outbreak contained no DA or only trace amounts. Such findings reveal that monitoring of mussel toxicity alone does not necessarily provide adequate warning of DA entering the food web at levels sufficient to harmful marine wildlife and perhaps humans.
JournalNature
Date2000
Volume403
Issue6765
Start page80
End page84
ISSN00280836
Subjectsdomoic acid, neurotoxin, algal bloom, diatom, mass mortality, toxicity, article, fish, mammal, mortality, mussel, neurologic disease, nonhuman, priority journal, seashore, United States, Animals, Bivalvia, Brain Diseases, California, Chromatography, Liquid, Diatoms, Eutrophication, Fishes, Food Chain, Humans, Kainic Acid, Marine Toxins, Mass Spectrometry, Neurotoxins, Poisoning, Sea Lions, algae, Anchoa, Bacillariophyta, Engraulis mordax, Mammalia, Mytilus, Mytilus edulis, Nitzschia, Otariidae, Panthera leo, Pinnipedia, Pseudo-nitzschia australis, Zalophus californianus
NoteCited By (since 1996):331, CODEN: NATUA

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