Zobrazeno 1 - 9
of 9
pro vyhledávání: '"David Poister"'
Autor:
David Poister
Publikováno v:
Zygon®. 57:368-388
Publikováno v:
Journal of Phycology. 51:332-342
The abundance of Aulacoseira granulata (Ehrenburg) Simonsen and Gloeocystis planctonica (West & G.S.West) Lemmermann was assessed during the summers of 2005 and 2010 in the eutrophic Fox River, Wisconsin, USA. In both years, a mid-summer bloom of G.
Publikováno v:
Plankton and Benthos Research. 7:55-63
Aulacoseira ambigua abundance and filament length were measured weekly during spring and autumn bloom periods in Trout Lake, Wisconsin, USA. In addition, several chemical and biological variables thought to influ- ence A. ambigua growth were assessed
Autor:
Corey DeGuelle, David Poister
Publikováno v:
Hydrobiologia. 537:35-46
To evaluate the effect of particle size and composition on seasonal changes in the sedimentation rate, suspended and sedimenting particles were collected from Trout Lake, Wisconsin, USA during the 2002 ice-free season. Particles were characterized wi
Autor:
David E. Armstrong, David Poister
Publikováno v:
Biogeochemistry. 65:1-13
To quantify the extent to which biomass and phosphorus in particular is removed from an aquatic system via sedimentation as well as to identify factors that influence sedimentation of nutrient elements, various characterizations of suspended and sett
Publikováno v:
Canadian Journal of Fisheries and Aquatic Sciences. 56:60-69
The concentrations of phytoplankton pigments in suspended and settling particles were measured in Trout Lake, Wisconsin, U.S.A., during the 1993 ice-free season. A decrease in water column concentrations of chlorophyll a coincident with an increase i
Publikováno v:
Canadian Journal of Fisheries and Aquatic Sciences. 51:2457-2466
Sedimentation of C, N, and P from the water column was assessed during the ice-free seasons of 1986–91 in three northern Wisconsin lakes. Seasonal trends in mass sedimentation were different among lakes but consistent from year to year within each
Publikováno v:
The Chemical Educator. 7:146-148
The following experiment reinforces students’ working knowledge of statistics by utilizing the t test to compare the results of two independent methods for the determination of dissolved oxygen (DO). In this experiment students utilize a dissolved
Autor:
Tetsu K. Tokunaga, David Poister
Publikováno v:
Journal of Environmental Quality. 21:252-258
The formation of seleniferous ephemeral pools that result from sballow water table rise through seleniferous soils was studied in laboratory columns of soils from Kesterson Reservoir, Merced County, California. Variables included in the column experi