Evolution and biological effects of the 1997–98 El Niño in the upwelling ecosystem off northern Chile

Ulloa, Osvaldo; Escribano, Rubén; Hormazábal, Samuel; A. Quiñones, Renato; Rosales González, Rodrigo; Ramos, Marcel

doi:10.1029/2000gl011548

Public

Evolution and biological effects of the 1997–98 El Niño in the upwelling ecosystem off northern Chile

Published in Geophysical Research Letters • Apr 15, 2001

Authors:

Osvaldo Ulloa

Rubén Escribano

Samuel Hormazábal

Abstract

During the 1997–98 El Niño event, the temperature and oxygen contents of the coastal waters off northern Chile were noticeably higher than during non‐El Niño conditions, but phytoplankton and Zooplankton biomasses were not dramatically altered. In contrast, the herbivorous copepod Calanus chilensis ...

Subject

Upwelling

Zooplankton

Copepod

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