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The combined and interactive effects of zinc, temperature and phosphorus on freshwater planktonic communities

Dimitri Van de Perre UGent (2018)
abstract
The main goal of the ecological risk assessment of chemicals (ERA) is the protection of populations and communities and the correct effect assessment of chemicals on the structure and functioning of aquatic ecosystems. At present, ERA is mainly based on data obtained from standard ecotoxicity experiments. These experiments are typically conducted under standardized optimal conditions, at the species level and exposed at a single stressor at the time. However, these general ERA approaches are in sharp contrast with natural conditions. Natural populations and communities are often exposed to a mixture of multiple stressors that are biotic (e.g. food shortage, predation) and abiotic (e.g. eutrophication, non-optimal temperature or water chemistry, metals). Species interactions such as predation and competition for food are two major biotic factors that are able to significantly affect the responses of organisms to toxicants. Additionally, abiotic factors such as temperature (T) can also play an important role affecting the toxic effects of chemical pollutants (e.g. by influencing its bioavailability and toxicokinetics). Therefore, by ignoring ecological interactions and by not considering natural field conditions these single-species tests oversimplify the actual field situation and ERA may not be protective. The aim of this PhD thesis was to investigate the combined effect of Zn with natural environmental stressors (temperature and/or phosphorous) at different organization levels (population vs. community) on freshwater organisms in order to increase the realism of current ERA.
Please use this url to cite or link to this publication:
author
promoter
UGent and UGent
organization
alternative title
Het gecombineerde en interactieve effecten van Zn, temperatuur en fosfor op zoetwater gemeenschappen
year
type
dissertation
publication status
published
subject
keyword
Temperature, zinc, plankton, risk assessment, microcosm
pages
XIV, 225 pages
publisher
Ghent University. Faculty of Bioscience Engineering
place of publication
Ghent, Belgium
defense location
Gent : Campus Coupure (lokaal A0.030)
defense date
2018-03-13 16:00
ISBN
9789463570770
language
English
UGent publication?
yes
classification
D1
copyright statement
I have transferred the copyright for this publication to the publisher
id
8553535
handle
http://hdl.handle.net/1854/LU-8553535
date created
2018-03-06 12:53:38
date last changed
2018-03-07 07:52:05
@phdthesis{8553535,
  abstract     = {The main goal of the ecological risk assessment of chemicals (ERA) is the protection of populations and communities and the correct effect assessment of chemicals on the structure and functioning of aquatic ecosystems. At present, ERA is mainly based on data obtained from standard ecotoxicity experiments. These experiments are typically conducted under standardized optimal conditions, at the species level and exposed at a single stressor at the time. However, these general ERA approaches are in sharp contrast with natural conditions. Natural populations and communities are often exposed to a mixture of multiple stressors that are biotic (e.g. food shortage, predation) and abiotic (e.g. eutrophication, non-optimal temperature or water chemistry, metals). Species interactions such as predation and competition for food are two major biotic factors that are able to significantly affect the responses of organisms to toxicants. Additionally, abiotic factors such as temperature (T) can also play an important role affecting the toxic effects of chemical pollutants (e.g. by influencing its bioavailability and toxicokinetics). Therefore, by ignoring ecological interactions and by not considering natural field conditions these single-species tests oversimplify the actual field situation and ERA may not be protective. The aim of this PhD thesis was to investigate the combined effect of Zn with natural environmental stressors (temperature and/or phosphorous) at different organization levels (population vs. community) on freshwater organisms in order to increase the realism of current ERA.},
  author       = {Van de Perre, Dimitri},
  isbn         = {9789463570770},
  keyword      = {Temperature,zinc,plankton,risk assessment,microcosm},
  language     = {eng},
  pages        = {XIV, 225},
  publisher    = {Ghent University. Faculty of Bioscience Engineering},
  school       = {Ghent University},
  title        = {The combined and interactive effects of zinc, temperature and phosphorus on freshwater planktonic communities},
  year         = {2018},
}

Chicago
Van de Perre, Dimitri. 2018. “The Combined and Interactive Effects of Zinc, Temperature and Phosphorus on Freshwater Planktonic Communities”. Ghent, Belgium: Ghent University. Faculty of Bioscience Engineering.
APA
Van de Perre, D. (2018). The combined and interactive effects of zinc, temperature and phosphorus on freshwater planktonic communities. Ghent University. Faculty of Bioscience Engineering, Ghent, Belgium.
Vancouver
1.
Van de Perre D. The combined and interactive effects of zinc, temperature and phosphorus on freshwater planktonic communities. [Ghent, Belgium]: Ghent University. Faculty of Bioscience Engineering; 2018.
MLA
Van de Perre, Dimitri. “The Combined and Interactive Effects of Zinc, Temperature and Phosphorus on Freshwater Planktonic Communities.” 2018 : n. pag. Print.