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 per unit area (1981-1982) Lake Dillon nam22-12.gif
Primary production rate (1973) Lake Titicaca sam-04-f3.xls
Primary production rate (1981) Dal Lake asi-38-f3.xls
Primary production rate in the trophogenic layer (1976) Lake Geneva eur07-12.gif
Primary production rate, past trends (1948-1982) Lake Naroch eur49-06.gif
Primary production trends (1963, 1973-1974) Lake Balaton eur04-02.gif
Profiles of photosyntheric activity (1988, 1989) Lake Managua nam60-05.gif
Respiration (May 1978 - May 1979) Sagami Reservoir asi18-05.gif
Seasonal change in relative abundance of zooplankton populations (1969) Muskoka Lake nam24-13.gif
Seasonal change, gross, Southern Lake (~1982) Lake Biwa asi01-10.gif
Seasonal changes in the midday rates of integral photosynthesis (1970-1971) Lough Neagh eur34-02.gif
Seasonal distribution of phytoplankton stocks and composition (1969, 1973, 1974) Muskoka Lake nam24-11.gif
Seasonal variation of chlorophyll concentration and primary productivity (Mqy 1982-May 1983) Lake Todos los Santos sam11-04.gif
Seasonal, euphotic zone (1972) Lake Paajarvi eur-20-f3.xls
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."

T-P, NO3-N and primary production, monthly (1978) Lake Tahoe nam02-06.gif
Total zooplankton biomass (1981) Lake Dillon nam22-13.gif
Total-P, phytoplankton chlorophyll-a and periphyton chlorophyll-a and nitrogen (1976-1979) Okanagan Lake nam51-07.gif
Vertical distribtuion of primary production Ezequiel Ramos Mexia Reservoir sam03-06.gif
Vertical distribution of phytoplankton density Ezequiel Ramos Mexia Reservoir sam03-08.gif