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Creator:: Welch, E. B. (Eugene B.), Spyridakis, Dimitri E., U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: A steady-state phosphorus cycle was determined for the stratified period May to November in Lake Sammamish, Washington. A steady-state. condition for this period is considered at this time since data on some important processes are only sufficient to estimate average values for the stratified period. Nevertheless, such a cycle is...
Resource Type:: Technical Report
Full Text:: Sammamish, Washington. A steady-state. condition for this period is considered at this time since data on

Creator:: Welch, E. B. (Eugene B.), Pederson, G. L., Stoll, Richard Kenneth, U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: Grazing rates and density of the crustacean zooplankton were measured in Findley and Chester Morse Lakes and Lake Sammamish, Washington. Sample analysis is incomplete at reporting time, thus estimates of production from examination of life stage biomass changes was not possible. Maximum density of crustacean zooplankton was about 10/1 in...
Resource Type:: Technical Report
Full Text:: measured in Findley and Chester Morse Lakes and Lake Sammamish, Washington. Sample analysis is incomplete

Creator:: Welch, E. B. (Eugene B.), Hendrey, George R., Rock, C. A., U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: Lakes Findley, Chester Morse and Sammamish, Washington, are characterized by one major outburst of phytoplankton productivity and biomass (mainly diatoms) with usually no or low fall activity. Vernal outbursts were often delayed in some lakes and years probably by unfavorable climate (snow cover and cloudy rainy conditions). Mean spring-summer productivity...
Resource Type:: Technical Report
Full Text:: Chester Morse Lakes and Lake Sammamish (Cedar River drainage), Washington, for the purpose of providing

Creator:: Welch, E. B. (Eugene B.), Pederson, G. L., Stoll, Richard Kenneth, and U.S. International Biological Program. Coniferous Forest Biome
Abstract:: Zooplankton grazing rates and life history stage densities for secondary production estimates were determined in three lakes in the Cedar River watershed, Washington. Eight copepod species, seven cladoceran and nine rotifer species were identified in the three lakes. No one species of cladoceran or copepod occurred in all the lakes,...
Resource Type:: Technical Report
Full Text:: adult density of 11/2 (mean of water column) in Lake Sammamish and LimnocaZanus in Chester Morse which

Creator:: Welch, E. B. (Eugene B.), Hendrey, George R., Litt, Arni, Rock, C. A., and U.S. International Biological Program. Coniferous Forest Biome
Abstract:: Lakes Findley, Chester Morse and Sammamish, Washington, are characterized by one major outburst of phytoplankton productivity and biomass (mainly diatoms) with usually no or low fall activity. Vernal outbursts were often delayed in the monomictic lakes by inadequate light because of unfavorable climate and/or a lack of thermal stratification. Strong...
Resource Type:: Technical Report
Full Text:: Sammamish and Washington during late summer in 1972. In 1973, experiments were conducted in each lake

Creator:: Welch, E. B. (Eugene B.), Hendrey, George R., Litt, Arni, Rock, C. A., U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: Sample collection to define the phytoplankton biomass and productivity in Lakes Findley, Chester Morse, and Sammamish was conducted according to the schedule In Figure 1. Methods and procedures are the same as those used in 1972 (Welch et al. 1972). The purpose of such sampling is to provide validation data...
Resource Type:: Technical Report
Full Text:: Lake Washington, were conducted in 1973 following the first peaks in biomass. These were late May in

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