PICOCYANOBACTERIA AND BACTERIA IN LAKE KINNERET

被引:25
作者
MALINSKYRUSHANSKY, N [1 ]
BERMAN, T [1 ]
机构
[1] BAR ILAN UNIV,DEPT LIFE SCI,RAMAT GAN,ISRAEL
来源
INTERNATIONALE REVUE DER GESAMTEN HYDROBIOLOGIE | 1991年 / 76卷 / 04期
关键词
PICOCYANOBACTERIA; BACTERIA; LAKE KINNERET; STANDING STOCK;
D O I
10.1002/iroh.19910760408
中图分类号
Q17 [水生生物学];
学科分类号
071004 ;
摘要
In Lake Kinneret, we have been monitoring the numbers and depth distributions of bacteria and picocyanobacteria since early 1988. Picocyanobacteria were found throughout the year at all depths, at concentrations ranging from < 10(3) to 10(5) cells.ml-1. Highest abundances were recorded during summer and fall in the epilimnion. The lowest areal standing stocks occurred from March to May, the period which corresponds to the peak of the annual dinoflagellate bloom. Bacterial numbers ranged from about 10(5) to 10(7) cells.ml-1. The picocyanobacteria were evenly distributed in the water column during the mixed period. With the onset of thermal stratification and the end of the dinoflagellate bloom the numbers of picocyanobacteria increased rapidly in the epilimnion.
引用
收藏
页码:555 / 564
页数:10
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