TEMPORAL AND SPATIAL VARIATIONS OF PHYTOPLANKTON FROM BOECKELLA LAKE (HOPE BAY, ANTARCTIC PENINSULA)

被引：37
|
作者：
IZAGUIRRE, I
MATALONI, G
VINOCUR, A
TELL, G
机构：
[1] Depto. Cs. Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, 1428, Buenos Aires, Pab.II
来源：
ANTARCTIC SCIENCE | 1993年 / 5卷 / 02期
关键词：
ANTARCTICA; LAKES; PHYTOPLANKTON; ECOLOGY; NUTRIENTS; FLORISTICS;
D O I：
10.1017/S0954102093000197
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The main water body at Hope Bay, Boeckella Lake, was sampled at four sites for phytoplankton during summer 1991 to assess the influence of nutrients from nearby penguin rookeries on both phytoplankton density and composition. The site located at the base of the rookeries had total phosphorus values comparable to those reported from the most eutrophic Antarctic lakes. During the ice-free period most of the Chlorophyceae and Cyanophyceae recorded were concentrated at this site. Phytoplankton density increased strongly in the area opposite to the rookeries where ice began to form; an under-ice bloom of Ochromonas aff. ovalis (Chrysophyceae) was observed in this area.
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收藏
页码：137 / 141
页数：5
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