Zooplankton dynamics in a mesoscale eddy-jet system off California
نویسندگان
چکیده
منابع مشابه
Mesoscale Structure of Zooplankton in the California Current
We are examining how populations of euphausiids maintain high concentrations in coastal regions of the California Current despite the highly advective field. We are testing the hypothesis that mesoscale eddies and coastal counter currents create retention cells, where growth and reproduction are rapid and mortality is reduced. The immediate objective is to produce a data set on the biomass, pop...
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The California Current System is an eastern boundary upwelling system (EBUS) with high biological production along the coast. Oligotrophic offshore waters create cross-shore gradients of biological and physical properties, which are affected by intense mesoscale eddy activity. The influence of eddies on ecosystem dynamics in EBUS is still in debate. To elucidate the mechanisms that influence th...
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Long-term variability in zooplankton N/N was investigated in two species of calanoid copepods (Calanus pacificus and Eucalanus californicus) and two chaetognaths (Sagitta bierii and Sagitta euneritica) sampled in the spring of selected years from 1951 to 2001 off the central California coast. No statistically significant trend in N/N was detected for any of the four species, with isotopic ratio...
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ژورنال
عنوان ژورنال: Marine Ecology Progress Series
سال: 2000
ISSN: 0171-8630,1616-1599
DOI: 10.3354/meps201165