Journal ArticleDOI
Low nitrogen to phosphorus ratios favor dominance by blue-green algae in lake phytoplankton.
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An analysis of growing season data from 17 lakes throughout the world suggests that the relative proportion of blue-green algae (Cyanophyta) in the epilimnetic phytoplankton is dependent on the epILimnetic ratio of total nitrogen to total phosphorus.Abstract:
An analysis of growing season data from 17 lakes throughout the world suggests that the relative proportion of blue-green algae (Cyanophyta) in the epilimnetic phytoplankton is dependent on the epilimnetic ratio of total nitrogen to total phosphorus. Blue-green algae tended to be rare when this ratio exceeded 29 to 1 by weight, suggesting that modification of this ratio by control of nutrient additions may provide a means by which lake water quality can be managed.read more
Citations
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Nitrogen limitation on land and in the sea: How can it occur?
TL;DR: In this paper, the authors examine both how the biogeochemistry of the nitrogen cycle could cause limitation to develop, and how nitrogen limitation could persist as a consequence of processes that prevent or reduce nitrogen fixation.
Journal ArticleDOI
Harmful Algal Blooms and Eutrophication: Nutrient Sources, Composition, and Consequences
TL;DR: The relationship between harmful algal blooms and eutrophication of coastal waters from human activities has been investigated in this paper, focusing on sources of nutrients, known effects of nutrient loading and reduction, new understanding of pathways of nutrient acquisition among HAB species, and relationships between nutrients and toxic algae.
Book
The Ecology of Phytoplankton
TL;DR: Reynolds as discussed by the authors provides basic information on composition, morphology and physiology of the main phyletic groups represented in marine and freshwater systems and reviews recent advances in community ecology, developing an appreciation of assembly processes, co-existence and competition, disturbance and diversity.
Journal ArticleDOI
The relative influences of nitrogen and phosphorus on oceanic primary production
TL;DR: In this article, the competition between nitrogenfixing and other phytoplankton is inserted into a two-box global model of the oceanic nitrogen and phosphorus cycles, with surface waters more deficient in nitrate than phosphate in the steady state.
Journal ArticleDOI
Climate change: links to global expansion of harmful cyanobacteria.
Hans W. Paerl,Valerie J. Paul +1 more
TL;DR: Overall, stricter nutrient management will likely be the most feasible and practical approach to long-term CyanoHAB control in a warmer, stormier and more extreme world.
References
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Journal ArticleDOI
Lignin-Degrading Enzyme from the Hymenomycete Phanerochaete chrysosporium Burds.
Ming Tien,T. Kent Kirk +1 more
TL;DR: The extracellular fluid of ligninolytic cultures of the wood-decomposing basidiomycete Phanerochaete chrysosporium Burds contains an enzyme that degrades lignin substructure model compounds as well as spruce and birch lignins.
Journal ArticleDOI
Phytoplankton Community Ecology: The Role of Limiting Nutrients
TL;DR: In this article, the role of nutrients and spatial and temporal fluctuations in controlling the species composition, diversity, and seasonal succession of planktonic algal communities is summarized and synthesized.
Journal ArticleDOI
Martian Gases in an Antarctic Meteorite
Donald D. Bogard,P. Johnson +1 more
TL;DR: Findings support earlier suggestions, made on the basis of geochemical evidence, that shergottites and related rare meteorites may have originated from the planet Mars.
Journal ArticleDOI
Selective Grazing and Differential Digestion of Algae by Zooplankton
TL;DR: Water quality standards and management programmes depends on an accurate assessment of factors determining the relative abundances of algal species, and biological controls are less commonly assessed although their potential importance is recognized.