Transport limitation of nutrient uptake in phytoplankton1

Microbial enzyme activity, nutrient uptake and nutrient limitation in forested streams

BRIAN H. HILL* , FRANK H. M CCORMICK , BRET C. HARVEY , SHERRI L. JOHNSON , MELVIN L. WARREN AND COLLEEN M. ELONEN* *U. S. Environmental Protection Agency, Mid-Continent Ecology Division, Duluth, MN, U.S.A. U. S. Forest Service, Rocky Mountain Research Station, Boise, ID, U.S.A. U. S. Forest Service, Pacific Southwest Research Station, Arcata, CA, U.S.A. U. S. Forest Service, Forestry Sciences ...

Nutrient Limitation and Uptake Rates in Streams and Rivers of the Greater Yellowstone Ecosystem

Nutrient Limitation in Tropical Streams of Tanzania

Communities of plants are thought to grow until they reach some limiting factor such as light, space, available nutrients or other limitation. Very often this limiting factor is a nutrient limitation. Therefore, if plants are provided with the essential nutrient they lack, they will expand their community’s biomass. This phenomenon is well studied in temperate communities. In those ecosystems, ...

Nutrient limitation of phytoplankton in Chesapeake Bay

This paper presents evidence of a seasonal shift from P to N as the nutrient limiting the accumulation of algal biomass in Chesapeake Bay. Following the winter/spring maximum in freshwater runoff, (1) the ratio of dissolved inorganic nitrogen to soluble reactive phosphorus (DIN/PO,) was greater than the N/P of algal biomass; (2) alkaline phosphatase activity was high; (3) phosphate turnover tim...

Nutrient uptake of peanut genotypes under different water regimes

Drought is a serious environmental stress limiting growth and productivity in peanut and other crops. Nutrient uptake of peanut is reduced under drought condition, which reduces yield. The objectives of this study were to investigate nutrient uptake of peanut genotypes in response to drought and to estimate the relationship between nutrient uptake and peanut yield under different water regi...