Journal ArticleDOI
Sigmoid relationships between nutrients and chlorophyll among lakes
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In this article, it was shown that algal biomass tends to increase with the supply of dissolved phosphorus, and this concept has been condensed into empirical relationships and shown to be true for freshwater eutrophication.Abstract:
Previous studies of freshwater eutrophication have shown that algal biomass tends to increase with the supply of dissolved phosphorus. This concept has been condensed into empirical relationships b...read more
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Eutrophication of freshwater and coastal marine ecosystems a global problem
TL;DR: This review examines how eutrophication influences the biomass and species composition of algae in both freshwater and costal marine systems and suggests that efforts to manage nutrient inputs to the seas will result in significant improvements in coastal zone water quality.
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Lake responses to reduced nutrient loading - an analysis of contemporary long-term data from 35 case studies
Erik Jeppesen,Martin Søndergaard,Jens Peder Jensen,Karl E. Havens,Orlane Anneville,Laurence Carvalho,Michael F. Coveney,Rainer Deneke,Martin T. Dokulil,Bob Foy,Daniel Gerdeaux,Stephanie E. Hampton,Sabine Hilt,Külli Kangur,Jan Köhler,E. Lammens,Torben L. Lauridsen,Marina Manca,Maria Rosa Miracle,Brian Moss,Peeter Nõges,Gunnar Persson,Geoff Phillips,Rob Portielje,Susana Romo,Claire L. Schelske,Dietmar Straile,István Tátrai,Eva Willén,Monika Winder +29 more
TL;DR: In this article, the authors examined 35 long-term (5-35 years, mean: 16 years) lake re-oligotrophication studies and found that external total phosphorus loading resulted in lower in-lake TP concentration, lower chlorophyll a (chl a) concentration and higher Secchi depth in most lakes.
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From Greenland to green lakes: Cultural eutrophication and the loss of benthic pathways in lakes
Yvonne Vadeboncoeur,Erik Jeppesen,M. Jake Vander Zanden,Hans-Henrik Schierup,Kirsten Christoffersen,David M. Lodge +5 more
TL;DR: In this article, the authors compared phytoplankton and periphyton productivity along a eutrophication gradient in Greenland, U.S., and Danish lakes.
Journal ArticleDOI
The nitrogen : phosphorus relationship in lakes
John A. Downing,Edward McCauley +1 more
TL;DR: Analysis of published manipulation experiments shows that N limitation is not only significantly more frequent in lakes of low ambient TN: TP (TN: TP mass ratio 5 14) but is also significantly morerequent in lakes with TP > 30 wg liter’.
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Patterns in phytoplankton taxonomic composition across temperate lakes of differing nutrient status
TL;DR: It is concluded that the curvilinearity of the TP-total biomass curve is not attributable to a single taxonomic group, because all groups show some nonlinearity in relation to TP.
References
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Journal ArticleDOI
Nutrient dependence of primary productivity in lakes1
TL;DR: In this paper, the Dillon-Rigler phosphorus loading model is extended to predict volumetric rates of photosynthesis (v and Āopt) in lakes where the N:P balance indicates control by phosphorus (N:P ⩾ 13).
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An Evaluation of Phosphorus‐Chlorophyll‐Phytoplankton Relationships for Lakes
Kenneth H. Nicholls,P. J. Dillon +1 more
TL;DR: The relationship between total phosphorus and phytoplankton biomass for a group of Ontario lakes is better defined if summer average cell volume is used instead of average chlorophyll a concentration.
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Evaluation of the Phosphorus–Chlorophyll Relationship for Lakes Off the Precambrian Shield in Western Canada
Ellie E. Prepas,D. O. Trew +1 more
TL;DR: Summer chlorophyll (Chl), spring and summer total phosphorus (TP), and total nitrogen (TN) data were collected from 25 lakes off the Precambrian Shield in Alberta and there was less variation in the summer TP–summer Chl relationship than in the spring TP– SUMM relationship.