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Climate-driven trophic cascades affecting seabirds around the British Isles
MacDonald, A.; Heath, M.R.; Edwards, M.; Furness, R.W.; Pinnegar, J.K.; Wanless, S.; Speirs, D.; Greenstreet, S.P.R. (2015). Climate-driven trophic cascades affecting seabirds around the British Isles. Oceanogr. Mar. Biol. Ann. Rev. 53: 55-79. http://hdl.handle.net/10.1201/b18733-3
In: Oceanography and Marine Biology: An Annual Review. Aberdeen University Press/Allen & Unwin: London. ISSN 0078-3218; e-ISSN 2154-9125, meer
Peer reviewed article  

Beschikbaar in  Auteurs 

Trefwoorden
    Ammodytes marinus Raitt, 1934 [WoRMS]; Calanus finmarchicus (Gunnerus, 1770) [WoRMS]
    ANE, Noordzee [Marine Regions]
    Marien
Author keywords
    Pelagic food web; Trophic interactions; Seabird community; Regime shift

Auteurs  Top 
  • MacDonald, A.
  • Heath, M.R.
  • Edwards, M.
  • Furness, R.W.
  • Pinnegar, J.K.
  • Wanless, S.
  • Speirs, D.
  • Greenstreet, S.P.R.

Abstract
    After flourishing during the second half of the twentieth century, many North Sea seabird populations are now in decline. Much evidence is accumulating that climate change is driving these negative trends in growth rate. Climate-driven changes in the physical environment may affect seabirds both directly and indirectly. Direct impacts such as increasingly common extreme weather events will result in negative physiological responses. However, climate effects on seabirds are more likely to be indirect and mediated by prey quality and availability. Mounting evidence suggests that climate impacts on lower trophic levels are altering the pathway of energy to seabirds. While the basis for changes in primary production are complex and uncertain, climate-driven changes in the availability of sandeels (primarily Ammodytes marinus) and the copepod Ca/anus finmarchicus, key prey species in adjacent trophic levels, appear to be causing a reduction in breeding success and growth rate in several British seabird species.

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