Upwelling-driven nearshore hypoxia signals ecosystem and oceanographic changes in the northeast Pacific

Brian A. Grantham, Francis Chan (), Karina J. Nielsen, David S. Fox, John A. Barth, Adriana Huyer, Jane Lubchenco and Bruce A. Menge
Additional contact information
Brian A. Grantham: Coastal and Estuarine Assessment Unit
Francis Chan: Oregon State University
Karina J. Nielsen: Sonoma State University
David S. Fox: Marine Resources Program
John A. Barth: College of Oceanic and Atmospheric Sciences
Adriana Huyer: College of Oceanic and Atmospheric Sciences
Jane Lubchenco: Oregon State University
Bruce A. Menge: Oregon State University

Nature, 2004, vol. 429, issue 6993, 749-754

Abstract: Abstract Seasonal development of dissolved-oxygen deficits (hypoxia) represents an acute system-level perturbation to ecological dynamics and fishery sustainability in coastal ecosystems around the globe1,2,3. Whereas anthropogenic nutrient loading has increased the frequency and severity of hypoxia in estuaries and semi-enclosed seas3,4, the occurrence of hypoxia in open-coast upwelling systems reflects ocean conditions that control the delivery of oxygen-poor and nutrient-rich deep water onto continental shelves1. Upwelling systems support a large proportion of the world's fisheries5, therefore understanding the links between changes in ocean climate, upwelling-driven hypoxia and ecological perturbations is critical. Here we report on the unprecedented development of severe inner-shelf (

Date: 2004
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DOI: 10.1038/nature02605

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