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Title: Relationship of mesozooplankton and nanophytoplankton with temperature and salinity in Great Islands zone, Gulf of California
Authors: Lopez-Cortes, D
Lechuga-Deveze, C H
Bustillos-Guzman, J
Issue Date: Mar-1992
Publisher: NISCAIR-CSIR, India
Abstract: Relationship of mesozooplankton (measured as protein and carbohydrate), and nanophytoplankton (as chlorophyll a) with temperature and salinity, was studied during August-September 1987. Circulation in the upper Gulf followed its general dynamics despite the presence of an ENSO (El Nino Southern Oscillation) event. A tongue of relatively high salinity water flowed southward through the Ballenas Channel and mixed with a water mass of lower salinity from the central Gulf, creating a front which promoted a patch of nanophytoplankton and mesozooplankton. Surface chl a from nanophytoplankton increased from 0.2 to 1.1 mg.m-3 through 10 miles south of San Lorenzo Island. Protein and carbohydrate from mesozooplankton showed 2 sub-surface (20 m) patches, with 20-50 and 15-45 mg.m-3 respectively in the same area. Fronts can be regarded as places of biological significance due to the accumulation of living and non living organic material.
Page(s): 17-20
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Appears in Collections:IJMS Vol.21(1) [March 1992]

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