Seasonal variation of phytoplankton community in thale sap songkhla, a lagoonal lake in Southern Thailand

被引：16

作者：

Angsupanich S. ^{[1
]}

Rakkheaw S. ^{[1
]}

机构：

[1] Department of Aquatic Science, Faculty of Natural Resources, Prince of Songkhla University, Hat Yai

来源：

Netherland Journal of Aquatic Ecology | 1997年 / 30卷 / 4期

关键词：

Abundance; Diversity; Lagoonal lake; Phytoplankton; Salinity; Temporal variation; Thailand; Total nitrogen; Total phosphorus;

D O I：

10.1007/BF02085873

中图分类号：

学科分类号：

摘要：

The phytoplankton in Thale Sap Songkhla was investigated at 2-3 month intervals from August 1991 to October 1993. The abundance of phytoplankton ranged from 1.4×106 to 1.3×109 cells m-3. A total of 6 divisions with 103 genera were identified as Bacillariophyta: 49 genera, Chlorophyta: 21 genera, Pyrrhophyta: 15 genera, Cyanophyta: 12 genera, Chrysophyta: 3 genera and Euglenophyta: 3 genera. Although phytoplankton abundance was distinctly greater in the first year of study (August 1991 - June 1992) than in the second year (August 1992-October 1993), their patterns are similar : 2 peaks yearly. The peaks of phytoplankton occurred in the heavy rainy season (northeast monsoon) and the light rainy season (southwest monsoon). The main bloom was found during December-January, with a predominance of blue-green algae (e.g. Aphanizomenon and Phormidium) and green algae (e.g. Eudorina). Their species composition also increased, an effect of the large amount of rainfall resulting in low salinity during the northeast monsoon. The minor bloom was produced by diatoms during June-July when water salinity was moderate to seawater. Both phytoplankton numbers and species composition were high. However, unpredictably heavy rainfall during the southwest monsoon period may reduce diatom production due to rapid immediate replacement by blue-green species. Besides salinity concentration, a low total nitrogen : total phosphorus (TN : TP) ratio tended to support the growth of blue-green algae. The diversity of phytoplankton was lowest in the heavy rainy period.

引用

页码：297 / 307

页数：10

共 36 条

[1]

Angsupanich S., Seagrasses and epiphytes in Thale Sap Songkhla, Southern Thailand, La Mer, (1996)

[2]

Aruga Y., Monsi M., Chlorophyll amount as an indicator of matter productivity in bio-communities, Plant Cell Physiol., (1963)

[3]

Berman T., Sherr B.F., Sherr E., Wynne D., Mccarthy J.J., The characteristics of ammonium and nitrate uptake by phytoplankton in Lake Kinneret, Limnol. Oceanogr., (1984)

[4]

Best E.P.H., Dassen J.H.A., Boon J.J., Wiegers G., Studies on decomposition of Ceratophyllum demersum litter under laboratory and field conditions: Losses of dry mass and nutrients, qualitative changes in organic compounds and consequences for ambient water and sediments, Hydrobiologia, (1990)

[5]

Brohmanonda P., Sungkasem P., Lake Songkhla in Thailand, In: Report of Training Course on Seabass Spawning and Larval Rearing. Held in June, (1982)

[6]

Caljon A.G., A recently landlocked brackish-water lagoon of Lake Tanganyika: Physical and chemical characteristics, and spatio-temporal distribution of phytoplankton, Hydrobiologia, (1987)

[7]

Carpenter E.J., Dunham S., Nitrogenous nutrient uptake, primary production, and species composition of phytoplankton in the Carmans River estuary, Long Island, New York, Limnol. Oceanogr., (1985)

[8]

Division C., The climatology, Meteorological Department, Ministry of Transport and Communication. Bangkok (In Thai)., (1989)

[9]

Currie D.J., Kalff J., The relative importance of bacterioplankton and phytoplankton in phosphorus uptake in freshwater, Limnol. Oceanogr., (1984)

[10]

Devassy V.P., Goes J.I., Phytoplankton community structure and succession in a tropical estuarine complex (central west coast of India), Estuar. Coast, and Shelf Sci., (1988)

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