Phytoplankton biomass and species composition of Lake Gölbaşı (Hatay-Turkey)
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Date
2005
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Abstract
Gölbaşı gölündeki fıtoplanktonik organizmaların mevsimsel dağılımı iki istasyondan alınan örneklerde, Mayıs 2001-Nisan 2002 tarihleri arasında araştırılmıştır, iki istasyonun her birinden aylık örneklemeler yüzey suyundan yapılmıştır. Bu çalışmanın sonunda, flora Bacillariophyta (24), Chlorophyta (12), Pyrrophyta (2), Cyanophyta (2) ve Chrysophyta (l)'ya ait 41 taksondan oluşmuştur. Bir yıllık çalışma dönemi sonunda baskın grup Chrysophyta olmuştur. Bunu sırasıyla, Bacillariophyta, Chlorophyta, Cyanophyta ve Pyrrophyta izlemiştir. Chrysophyta'nın en yüksek sayıları Mayıs 2001 ve Ocak ve Nisan 2002'de gözlenmiştir. Bacillariophyta her iki istasyonda en yüksek biyomasa sahipti. Bunu sırasıyla Chrysophyta, Pyrrophyta, Chlorophyta ve Cyanophyta takip etmiştir. Diversite değerlerindeki aylık değişimler 0,01 ve 0,90 arasında oldu. En düşük diversite değeri Ocak 2002'de birinci istasyonda gözlendi. Gölbaşı gölü fıtoplanktonik organizmaların mevsimsel dağılımlarından dolayı mezotrof karakter taşımaktadır.Ancak gölün tropik durumu hakkında daha detaylı bilgi almak için göl suyunun daha çok fiziksel ve kimyasal analizlerinin yürütülmesi gerekli olacaktır.
Seasonal distributions of phytoplanktonic organisms in Lake Gölbaşı were investigated in samples collected from 2 stations between May, 2001, and April, 2002. At each station, monthly sampling was performed from the surface water. The flora consisted of 41 taxa belonging to.Bacillariophyta (24), Chlorophyta (12), Pyrrophyta (2), Cyanophyta (2) and Chrysophyta (1). During the 1-year study period, the most dominant group was Chrysophyta followed by Bacillariophyta, Chlorophyta, Cyanophyta and Pyrrophyta. The highest numbers of Chrysophyta were observed in both stations in May, 2001, January, 2002 and April, 2002. Bacillariophyta had the highest biomass in both stations, followed by Chrysophyta, Pyrrophyta, Chlorophyta and Cyanophyta. The monthly changes in diversity values were between 0.01 and 0.90. The lowest diversity value was observed in the first station in January, 2001. Lake Gölbaşı has mesotrophic characteristics due to the seasonal distribution of phytoplanktonic organisms. However, it will be necessary to conduct further physical and chemical analyses of the lake water to obtain more detailed information about the trophic status of the lake
Seasonal distributions of phytoplanktonic organisms in Lake Gölbaşı were investigated in samples collected from 2 stations between May, 2001, and April, 2002. At each station, monthly sampling was performed from the surface water. The flora consisted of 41 taxa belonging to.Bacillariophyta (24), Chlorophyta (12), Pyrrophyta (2), Cyanophyta (2) and Chrysophyta (1). During the 1-year study period, the most dominant group was Chrysophyta followed by Bacillariophyta, Chlorophyta, Cyanophyta and Pyrrophyta. The highest numbers of Chrysophyta were observed in both stations in May, 2001, January, 2002 and April, 2002. Bacillariophyta had the highest biomass in both stations, followed by Chrysophyta, Pyrrophyta, Chlorophyta and Cyanophyta. The monthly changes in diversity values were between 0.01 and 0.90. The lowest diversity value was observed in the first station in January, 2001. Lake Gölbaşı has mesotrophic characteristics due to the seasonal distribution of phytoplanktonic organisms. However, it will be necessary to conduct further physical and chemical analyses of the lake water to obtain more detailed information about the trophic status of the lake
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Turkish Journal of Biology
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Volume
29
Issue
1
