Hydrobiologia

, Volume 657, Issue 1, pp 181–198 | Cite as

Global change and food webs in running waters

  • Daniel M. Perkins
  • Julia Reiss
  • Gabriel Yvon-Durocher
  • Guy Woodward
GLOBAL CHANGE AND RIVER ECOSYSTEMS
First Online:
Received:
Accepted:

Abstract

Riverine habitats are vulnerable to a host of environmental stressors, many of which are increasing in frequency and intensity across the globe. Climate change is arguably the greatest threat on the horizon, with serious implications for freshwater food webs via alterations in thermal regimes, resource quality and availability, and hydrology. This will induce radical restructuring of many food webs, by altering the identity of nodes, the strength and patterning of interactions and consequently the dynamics and architecture of the trophic network as a whole. Although such effects are likely to be apparent globally, they are predicted to be especially rapid and dramatic in high altitude and latitude ecosystems, which represent ‘sentinel systems’. The complex and subtle connections between members of a food web and potential synergistic interactions with other environmental stressors can lead to seemingly counterintuitive responses to perturbations that cannot be predicted from the traditional focus of studying individual species in isolation. In this review, we highlight the need for developing new network-based approaches to understand and predict the consequences of global change in running waters.

Keywords

Climate change Ecological networks Freshwater Food webs Global warming Invasive species Hydrology Stoichiometry Streams Rivers 
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Notes

Acknowledgements

We would like to thank the Natural Environment Research Council for financial support awarded to GW (grant reference: NE/D013305/1) which funded DMP and JR and to Dr Jose Montoya, Dr Mark Trimmer and GW (NER/S/A2006/14029), which funded GY-D.

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Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  • Daniel M. Perkins
    • 1
  • Julia Reiss
    • 1
  • Gabriel Yvon-Durocher
    • 1
  • Guy Woodward
    • 1
  1. 1.School of Biological & Chemical SciencesQueen Mary University of LondonLondonUK

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