WLDB data list

Item Category : F. Biological Features

Item Name : F3 Primary Production

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List of Data
Item TitleLake NameItemMore Info.
Primary Production Oguta Lake afr-18-f3,txt
Primary production in Lake Kasumigaura, 1981-1985 Lake Kasumigaura Takamura, N. and others

See Figs. 4-7 in particular.   Important concluding statement, "...The annual gross primary production...was intermediate among the values reported in other lakes with Microsystis bloom."

Primary production trends (1963, 1973-1974) Lake Balaton eur04-02.gif
Respiration (May 1978 - May 1979) Sagami Reservoir asi18-05.gif
Seasonal change, gross, southern lake (~1982) Lake Biwa asi01-10.gif
Seasonal variation of chlorophyll concentration and primary productivity (Mqy 1982-May 1983) Lake Todos los Santos sam11-04.gif
Sestonic C : N : P ratios, nutritional state of phytoplankton, South Basin (May 1987 -May 1988) Lake Biwa JJL-MN

See Figs. 2 and 3.   A concluding remarks "...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."

Vertical distribtuion of primary production Ezequiel Ramos Mexia Reservoir sam03-06.gif
Vertical distribution of phytoplankton density Ezequiel Ramos Mexia Reservoir sam03-08.gif
Vertical distribution of primary productivity and biotic components (Mqy 1982-May 1983) Lake Todos los Santos sam11-05.gif