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Title: Spatial and geographical changes in the mesozooplankton community in the Bering and Chukchi Seas during the summers of 2007 and 2008
Authors: Matsuno, Kohei
Landeira Sánchez, José María 
Yamaguchi, Atsushi
Hirawake, Toru
Kikuchi, Takashi
UNESCO Clasification: 240119 Zoología marina
Keywords: Zooplankton
Structural equation model (SEM)
Bering and Chukchi Seas
Barnacle larvae
Issue Date: 2016
Journal: Polar Science 
Abstract: From July to August 2007 and June to July 2008, the horizontal/geographical changes in the zooplankton community in the Bering and Chukchi Seas were studied. The geographical patterns, which were common for these two years, were observed for salinity, chlorophyll a (Chl. a), zooplankton chaetognaths, hydrozoans and the whole zooplankton community. Among them, the patterns of salinity and Chl. a were related with the horizontal distribution of the water masses. The distributions of the two carnivorous taxa were correlated with their prey (copepods or barnacle larvae). The analysis of the structural equation model (SEM) revealed that the horizontal distribution of the zooplankton abundance and biomass were governed by the different taxa. Thus, the zooplankton abundance was governed by the numerically dominant but smaller-bodied taxa, such as the barnacle larvae and copepod Pseudocalanus spp., while the zooplankton biomass was determined by the large-bodied copepods, such as Calanus glacialis/marshallae and Eucalanus bungii.
ISSN: 1873-9652
DOI: 10.1016/j.polar.2016.04.006
Source: Polar science [ISSN 1873-9652], v. 10(3), p. 335-345
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