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2003•Haiyang kexueRequires access

STUDY ON PHYTOPLANKTON IN THE DALIAN BAY IN SPRING AND AUTUMN

Zhang Shu

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Abstract

The phytoplankton survey was carried out in the Dalian Bay in May and October,1999. As a result, there were 53 species of phytoplankton in the Dalian Bay.They were species of Bacillariophyta (26 genera and 42 species) , species of Pyrrophyta (6 genera and 8 species).The average quantity of phytoplankton was 23.4×104 cells/m3 in the Dalian Bay , 1999,and the Bacillariophyta(23.7×104 cells/m3) accounted for 80.1% of the phytoplankton population,the Pyrrophyta (25.9×104cells/m3) accounted for 16.7%. Dominantly composed. of Leptocylindyus danicus, Skeletonema costatum,and Thalassiosira nordenskioldi, all are red tide organism, which lead to the perils of red tide in the Dalian Bay.

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What this paper is about

The phytoplankton survey was carried out in the Dalian Bay in May and October,1999. As a result, there were 53 species of phytoplankton in the Dalian Bay.They were species of Bacillariophyta (26 genera and 42 species) , species of Pyrrophyta (6 genera and 8 species).The average quantity of phytoplankton was 23.4×104 cells/m3 in the Dalian Bay , 1999,and the Bacillariophyta(23.7×104 cells/m3) accounted for 80.1% of the phytoplankton population,the Pyrrophyta (25.9×104cells/m3) accounted for 16.7%. Dominantly composed. of Leptocylindyus danicus, Skeletonema costatum,and Thalassiosira nordenskioldi, all are red tide organism, which lead to the perils of red tide in the Dalian Bay.

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Available abstract

The phytoplankton survey was carried out in the Dalian Bay in May and October,1999. As a result, there were 53 species of phytoplankton in the Dalian Bay.They were species of Bacillariophyta (26 genera and 42 species) , species of Pyrrophyta (6 genera and 8 species).The average quantity of phytoplankton was 23.4×104 cells/m3 in the Dalian Bay , 1999,and the Bacillariophyta(23.7×104 cells/m3) accounted for 80.1% of the phytoplankton population,the Pyrrophyta (25.9×104cells/m3) accounted for 16.7%. Dominantly composed. of Leptocylindyus danicus, Skeletonema costatum,and Thalassiosira nordenskioldi, all are red tide organism, which lead to the perils of red tide in the Dalian Bay.

Key concepts: Bay, Phytoplankton, Red tide, Oceanography, Population, Biology, Ecology, Environmental science

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