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Responses of phytoplankton to fish predation and nutrient loading in shallow lakes: a pan-European mesocosm experiment

Van de Bund, WJ; Romo, S; Villena, MJ; Valentin, M; Van Donk, E; Vicente, E; Vakkilainen, K; Svensson, Marie LU ; Stephen, D and Ståhl-Delbanco, Annika LU , et al. (2004) In Freshwater Biology 49(12). p.1608-1618
Abstract
1. The impacts of nutrients (phosphorus and nitrogen) and planktivorous fish on phytoplankton composition and biomass were studied in six shallow, macrophyte-dominated lakes across Europe using mesocosm experiments. 2. Phytoplankton biomass was more influenced by nutrients than by densities of planktivorous fish. Nutrient addition resulted in increased algal biomass at all locations. In some experiments, a decrease was noted at the highest nutrient loadings, corresponding to added concentrations of 1 mg L-1 P and 10 mg L-1 N. 3. Chlorophyll a was a more precise parameter to quantify phytoplankton biomass than algal biovolume, with lower within-treatment variability. 4. Higher densities of planktivorous fish shifted phytoplankton... (More)
1. The impacts of nutrients (phosphorus and nitrogen) and planktivorous fish on phytoplankton composition and biomass were studied in six shallow, macrophyte-dominated lakes across Europe using mesocosm experiments. 2. Phytoplankton biomass was more influenced by nutrients than by densities of planktivorous fish. Nutrient addition resulted in increased algal biomass at all locations. In some experiments, a decrease was noted at the highest nutrient loadings, corresponding to added concentrations of 1 mg L-1 P and 10 mg L-1 N. 3. Chlorophyll a was a more precise parameter to quantify phytoplankton biomass than algal biovolume, with lower within-treatment variability. 4. Higher densities of planktivorous fish shifted phytoplankton composition toward smaller algae (GALD < 50 mum). High nutrient loadings selected in favour of chlorophytes and cyanobacteria, while biovolumes of diatoms and dinophytes decreased. High temperatures also may increase the contribution of cyanobacteria to total phytoplankton biovolume in shallow lakes. (Less)
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Contribution to journal
publication status
published
subject
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Freshwater Biology
volume
49
issue
12
pages
1608 - 1618
publisher
Wiley-Blackwell
external identifiers
  • wos:000225316100008
  • scopus:9644258483
ISSN
0046-5070
DOI
10.1111/j.1365-2427.2004.01307.x
language
English
LU publication?
yes
id
5b111afc-deca-42ae-8cf9-099202961f92 (old id 136521)
date added to LUP
2007-06-29 08:22:45
date last changed
2017-08-20 04:19:01
@article{5b111afc-deca-42ae-8cf9-099202961f92,
  abstract     = {1. The impacts of nutrients (phosphorus and nitrogen) and planktivorous fish on phytoplankton composition and biomass were studied in six shallow, macrophyte-dominated lakes across Europe using mesocosm experiments. 2. Phytoplankton biomass was more influenced by nutrients than by densities of planktivorous fish. Nutrient addition resulted in increased algal biomass at all locations. In some experiments, a decrease was noted at the highest nutrient loadings, corresponding to added concentrations of 1 mg L-1 P and 10 mg L-1 N. 3. Chlorophyll a was a more precise parameter to quantify phytoplankton biomass than algal biovolume, with lower within-treatment variability. 4. Higher densities of planktivorous fish shifted phytoplankton composition toward smaller algae (GALD &lt; 50 mum). High nutrient loadings selected in favour of chlorophytes and cyanobacteria, while biovolumes of diatoms and dinophytes decreased. High temperatures also may increase the contribution of cyanobacteria to total phytoplankton biovolume in shallow lakes.},
  author       = {Van de Bund, WJ and Romo, S and Villena, MJ and Valentin, M and Van Donk, E and Vicente, E and Vakkilainen, K and Svensson, Marie and Stephen, D and Ståhl-Delbanco, Annika and Rueda, J and Moss, B and Miracle, MR and Kairesalo, T and Hansson, Lars-Anders and Hietala, J and Gyllström, Mikael and Goma, J and Garcia, P and Fernandez-Alaez, M and Fernandez-Alaez, C and Ferriol, C and Collings, SE and Becares, E and Balayla, DM and Alfonso, T},
  issn         = {0046-5070},
  language     = {eng},
  number       = {12},
  pages        = {1608--1618},
  publisher    = {Wiley-Blackwell},
  series       = {Freshwater Biology},
  title        = {Responses of phytoplankton to fish predation and nutrient loading in shallow lakes: a pan-European mesocosm experiment},
  url          = {http://dx.doi.org/10.1111/j.1365-2427.2004.01307.x},
  volume       = {49},
  year         = {2004},
}