The structure of phytoplankton communities in waters of mangrove natural reserve in Hainan Island was studied in June 2009.The results showed that most of phytoplankton were diatoms in the waters of mangrove.The domin...The structure of phytoplankton communities in waters of mangrove natural reserve in Hainan Island was studied in June 2009.The results showed that most of phytoplankton were diatoms in the waters of mangrove.The dominant species were Skeletonema sp.,Cyclotella caspia,Nitzschia closterium and Oscillatoria sp.Some taxa belonging to Euglenophyta,Pyrrophyta and Chlorophyta also occurred in the water.Totally 97 species(including variety)in 46 generas were identified,in which 59 species in 25 genera belonged to Bacillariophyta,and 18 species in 9 genera for Chlorophyta,10 species in 7 genera for Cyanophyta,4 species in 2 genera for Euglenophyta,5 species in 5 genera for Pyrrophyta,1 specie for Chrysophyta,respectively.The cell abundance of phytoplankton ranges from 289.9 x 103 to 1964.9 ×10^3 cells/L,with an average of 885.3 ×10^3 cells/L.According to composition and structure of phytoplankton communities,the water quality in mangrove areas was in good condition.But in Xinying Harbour,Sanya River and Caiqiao the water quality might be degraded,which should be paid attention to.展开更多
基金supported by the China’s Offshore Marine Comprehensive Survey and Evaluation (No. HN908-01-02, No. HN908-01-05, No. HN908-02-03, No. HN908-04-02, No. HN908-04-09)the Nature Science Foundation of Hainan Province of China under contract No. 20154179
文摘The structure of phytoplankton communities in waters of mangrove natural reserve in Hainan Island was studied in June 2009.The results showed that most of phytoplankton were diatoms in the waters of mangrove.The dominant species were Skeletonema sp.,Cyclotella caspia,Nitzschia closterium and Oscillatoria sp.Some taxa belonging to Euglenophyta,Pyrrophyta and Chlorophyta also occurred in the water.Totally 97 species(including variety)in 46 generas were identified,in which 59 species in 25 genera belonged to Bacillariophyta,and 18 species in 9 genera for Chlorophyta,10 species in 7 genera for Cyanophyta,4 species in 2 genera for Euglenophyta,5 species in 5 genera for Pyrrophyta,1 specie for Chrysophyta,respectively.The cell abundance of phytoplankton ranges from 289.9 x 103 to 1964.9 ×10^3 cells/L,with an average of 885.3 ×10^3 cells/L.According to composition and structure of phytoplankton communities,the water quality in mangrove areas was in good condition.But in Xinying Harbour,Sanya River and Caiqiao the water quality might be degraded,which should be paid attention to.