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Food-chain length alters community responses to global change in aquatic systems

Hansson, Lars-Anders LU ; Nicolle, Alice LU ; Granéli, Wilhelm LU ; Hallgren, Per LU ; Kritzberg, Emma LU ; Persson, Anders LU ; Bjork, Jessica; Nilsson, Anders LU and Brönmark, Christer LU (2013) In Nature Climate Change 3(3). p.228-233
Abstract
Synergies between large-scale environmental changes, such as climate change(1) and increased humic content (brownification)(2), will have a considerable impact on future aquatic ecosystems. On the basis of modelling, monitoring and experimental data, we demonstrate that community responses to global change are determined by food-chain length and that the top trophic level, and every second level below, will benefit from climate change, whereas the levels in between will suffer. Hence, phytoplankton, and thereby algal blooms, will benefit from climate change in three-, but not in two-trophic-level systems. Moreover, we show that both phytoplankton (resource) and zooplankton (consumer) advance their spring peak abundances similarly in... (More)
Synergies between large-scale environmental changes, such as climate change(1) and increased humic content (brownification)(2), will have a considerable impact on future aquatic ecosystems. On the basis of modelling, monitoring and experimental data, we demonstrate that community responses to global change are determined by food-chain length and that the top trophic level, and every second level below, will benefit from climate change, whereas the levels in between will suffer. Hence, phytoplankton, and thereby algal blooms, will benefit from climate change in three-, but not in two-trophic-level systems. Moreover, we show that both phytoplankton (resource) and zooplankton (consumer) advance their spring peak abundances similarly in response to a 3 degrees C temperature increase; that is, there is no support for a consumer/resource mismatch in a future climate scenario. However, in contrast to other taxa, cyanobacteria-known as toxin-producing nuisance phytoplankton(3)-benefit from a higher temperature and humic content irrespective of the food-chain composition. Our results are mirrored in natural ecosystems. By mechanistically merging present food-chain theory with large-scale environmental and climate changes, we provide a powerful framework for predicting and understanding future aquatic ecosystems and their provision of ecosystem services and water resources. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Nature Climate Change
volume
3
issue
3
pages
228 - 233
publisher
Nature Research
external identifiers
  • wos:000319399000015
  • scopus:84874632279
ISSN
1758-6798
DOI
10.1038/NCLIMATE1689
project
CAnMove
BECC
language
English
LU publication?
yes
id
a6e5c0e2-4669-4848-a269-4358b83a1ef9 (old id 3932302)
date added to LUP
2013-07-15 13:04:40
date last changed
2019-05-21 01:42:56
@article{a6e5c0e2-4669-4848-a269-4358b83a1ef9,
  abstract     = {Synergies between large-scale environmental changes, such as climate change(1) and increased humic content (brownification)(2), will have a considerable impact on future aquatic ecosystems. On the basis of modelling, monitoring and experimental data, we demonstrate that community responses to global change are determined by food-chain length and that the top trophic level, and every second level below, will benefit from climate change, whereas the levels in between will suffer. Hence, phytoplankton, and thereby algal blooms, will benefit from climate change in three-, but not in two-trophic-level systems. Moreover, we show that both phytoplankton (resource) and zooplankton (consumer) advance their spring peak abundances similarly in response to a 3 degrees C temperature increase; that is, there is no support for a consumer/resource mismatch in a future climate scenario. However, in contrast to other taxa, cyanobacteria-known as toxin-producing nuisance phytoplankton(3)-benefit from a higher temperature and humic content irrespective of the food-chain composition. Our results are mirrored in natural ecosystems. By mechanistically merging present food-chain theory with large-scale environmental and climate changes, we provide a powerful framework for predicting and understanding future aquatic ecosystems and their provision of ecosystem services and water resources.},
  author       = {Hansson, Lars-Anders and Nicolle, Alice and Granéli, Wilhelm and Hallgren, Per and Kritzberg, Emma and Persson, Anders and Bjork, Jessica and Nilsson, Anders and Brönmark, Christer},
  issn         = {1758-6798},
  language     = {eng},
  number       = {3},
  pages        = {228--233},
  publisher    = {Nature Research},
  series       = {Nature Climate Change},
  title        = {Food-chain length alters community responses to global change in aquatic systems},
  url          = {http://dx.doi.org/10.1038/NCLIMATE1689},
  volume       = {3},
  year         = {2013},
}