Nutrient limitation of bacteria and sources of nutrients supporting nutrient-limited bacterial growth in an Amazonian floodplain lake
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چکیده
منابع مشابه
Nutrient limitation of bacterioplankton growth in Lake Dillon, Colorado
Bacterioplankton biomass, production, and growth rate were measured over a 2-yr period in Lake Dillon, a mesotrophic Colorado reservoir. In addition, a multivariate statistical analysis and nutrient addition experiments were used to analyze the regulation of bacterioplankton growth in situ. Biomass ranged between 170 (winter) and 2,200 mg C m-* (summer); production ranged from 10 (winter) to 62...
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Thomas H. Chrzanowski and James P. Grover Department of Biology, The University of Texas at Arlington, PO Box 19498, Arlington, TX 76019, U.S.A. E-mail: [email protected] Abstract The light-to-nutrient hypothesis explores how the balance between energy (as light energy) and nutrients (as total phosphorus) shapes aquatic ecosystem structure and process. The balance of energy and nutrients is thought ...
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Historically, phosphorus has been considered to be the primary nutrient limiting phytoplankton growth in freshwater ecosystems. We tested this hypothesis in 19 Kansas reservoirs located within the Central Plains region, USA. Bioassay experiments were conducted to assess growth-rate limitation by nitrogen (N), phosphorus (P) and nitrogen and phosphorus (N and P). The addition of P alone rarely i...
متن کاملOxygen consumption rates of bacteria under nutrient-limited conditions.
Many environments on Earth experience nutrient limitation and as a result have nongrowing or very slowly growing bacterial populations. To better understand bacterial respiration under environmentally relevant conditions, the effect of nutrient limitation on respiration rates of heterotrophic bacteria was measured. The oxygen consumption and population density of batch cultures of Escherichia c...
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The marine lysogenic bacterium H24, known for the genetic instability of the resident wild-type phage $H24 when propagated in nutrient-rich medlum, was investigated by cultivation in synthet~c seawater enriched to vanous levels of yeast extract plus peptone (YEP, In a relation of 1:5). The incidence of phage mutants was found to depend on a balanced equilibrium of nutnent concentration (tested ...
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ژورنال
عنوان ژورنال: Aquatic Microbial Ecology
سال: 2005
ISSN: 0948-3055,1616-1564
DOI: 10.3354/ame039057