Spatial variation of the zooplankton community in the western tropical Pacific Ocean during the summer of 2014

作者: Guang Yang , Chaolun Li , Yanqing Wang , Xiaocheng Wang , Luping Dai

DOI: 10.1016/J.CSR.2017.01.009

关键词:

摘要: Abstract Knowledge of the zooplankton community in western tropical Pacific Ocean is poor compared to that communities central and eastern Ocean. The composition, abundance, biomass structure were studied based on data collected during a synoptic cruise (August-September 2014). Four determined via cluster analysis, these four clusters mainly spatially related different currents: Luzon Current (LC), Subtropical Countercurrent (STCC), North Equatorial (NEC) (NECC). estimated mean abundance for whole surveyed area 146.7±178.1 ind/m3 36.9±40.3 mg/m3, respectively. was dominated by small copepods, such as Clausocalanus furcatus, C. pergens, Oncaea mediterranea Oithona plumifera. values lowest STCC region highest NECC region. BEST analysis surface environmental factors showed chlorophyll (chl a), pH, temperature salinity variables best explained distribution pattern (pw=0.372). higher south front at 16°N, accordance with relatively nutrient chl levels. Maximum found regions periphery cyclonic Mindanao Eddy (ME) anticyclonic Halmahera (HE).

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