Species diversity and distribution for phytoplankton of the Pearl River estuary during rainy and dry seasons

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Title Species diversity and distribution for phytoplankton of the Pearl River estuary during rainy and dry seasons
Author Huang, Liangmin; Jian, Weijun; Song, Xingyu; Huang, Xiaoping; Liu, Sheng; Qian, Peiyuan; Yin, Kedong; Wu, Madeline
Journal Name Marine Pollution Bulletin
Year Published 2004
Place of publication UK
Publisher Elsevier
Abstract Based on data collected at 31 stations and 1 continuous station in the Pearl River estuary during cruises of July 1999 (rainy season) and January 2001 (dry season), this study examined taxonomic composition, abundance, and spatial distribution of phytoplankton. Results indicated 130 species of phytoplankton in the samples from the rainy season, and 132 species in the dry season. Among them, in the rainy season, 82 species of diatom, 39 fresh-water and half-fresh-water species and 41 species of red tide organisms were found. Within these, there were 54 tropical and sub-tropical species, 47 cosmopolitan species and 17 temperate species. The abundance of phytoplankton in the rainy season was higher than that of the dry season, with an average of 6.3 × 105 cells · L−1 and 1.4 × 105 cells · L−1, respectively. Diversity index (H′) and evenness (J) were 2.47 and 0.57 in the rainy season, and 2.01 and 0.54 in the dry season. The dominant phytoplankton species in the rainy season was Skeletonema costatum with an average of 2.8 × 105 cells · L−1 and 45.0% of the total phytoplankton abundance. In the dry season, Eucampia zoodiacus became the key dominant species (5.9 × 104 cells · L−1) when it was 43.47% of the total phytoplankton abundance. Distribution of the dominant species varied with salinity of sea-water, and their amounts correlated negatively with nutrients and zooplankton.
Peer Reviewed Yes
Published Yes
Publisher URI http://www.elsevier.com/wps/find/journaldescription.cws_home/400/description#description
Alternative URI http://dx.doi.org/10.1016/j.marpolbul.2004.03.015
Volume 49
Issue Number 7-8
Page from 588
Page to 596
ISSN 0025-326X
Date Accessioned 2007-07-11
Date Available 2008-12-15T06:20:30Z
Language en_AU
Research Centre Environmental Futures Research Institute
Faculty Faculty of Environmental Sciences
Subject Biological Oceanography
URI http://hdl.handle.net/10072/20863
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1x

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