Sestonic C:N:P ratios in the south basin of Lake Biwa with special attention to nutritional state of phytoplankton.
- 1 January 1990
- journal article
- Published by The Japanese Society of Limnology in Japanese Journal of Limnology (Rikusuigaku Zasshi)
- Vol. 51 (3) , 185-189
- https://doi.org/10.3739/rikusui.51.185
Abstract
To estimate seasonal change in the nutritional state of phytoplankton in the south basin of Lake Biwa, surveys for the determination of sestonic C : N : P ratios were conducted at five stations from May 1987 to May 1988. The sestonic C : N : P ratios indicated the possibility that phytoplankton were exposed frequently to moderate or severe phosphorus deficiency from May to October 1987 but little therafter until May 1988, whereas they were not in the state of severe nitrogen deficiency except for a given time in November of 1987.Keywords
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