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- Title
Effects of Ocean Currents in the Western Pacific Ocean on Net-Phytoplankton Community Compositions.
- Authors
Chen, Zhuo; Sun, Jun; Chen, Dawei; Wang, Shihao; Yu, Hao; Chen, Hongtao; Wang, Min
- Abstract
Phytoplankton are known as important harbingers of climate change in aquatic ecosystems. This study investigated phytoplankton community structure in the western Pacific Ocean (WPO) in 2017 and revealed the spatial variability of phytoplankton in community composition and abundance, as well as their relationship to physical processes and environmental factors. The phytoplankton community was mainly composed of Dinophyta (221), followed by Bacillariophyta (105), Cyanophyta (4), and Chrysophyta (2). The cyanobacteria Trichodesmium were the dominants throughout the study period. Correlation analysis showed that dinoflagellates were mainly affected by temperature, while diatoms were significantly correlated with nutrients (silicate, phosphate, nitrite, nitrate). Phytoplankton was divided into five groups by cluster analysis, and the distribution of different groups was related to circulation and hydrological characteristics. In contrast, the highest abundance of diatoms and dinoflagellates was found in the New Guinea Coastal Current (NGCC) region, while the highest abundance of cyanobacteria was found in the Northern Equatorial Counter Current (NECC) region. Overall, we found that not only temperature and salinity, but also ocean currents and nutrients, influence the distribution of phytoplankton communities in the WPO.
- Subjects
PACIFIC Ocean currents; CHRYSOPHYCEAE; OCEAN currents; DIATOMS
- Publication
Diversity (14242818), 2021, Vol 13, Issue 9, p428
- ISSN
1424-2818
- Publication type
Article
- DOI
10.3390/d13090428