The North Atlantic Oscillation and ecology : links between historical time-series, and lessons regarding future climate warming

Straile, Dietmar; Stenseth, Nils Christian

The North Atlantic Oscillation and ecology : links between historical time-series, and lessons regarding future climate warming

Dateien

The_North_Atlantic_Oscillation_and_ecology.pdfGröße: 59.89 KBDownloads: 219

Datum

2007

Autor:innen

Straile, Dietmar

Stenseth, Nils Christian

URI (zitierfähiger Link)

http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-41519

Link zur Lizenz

Attribution-NonCommercial-NoDerivs 2.0 Generic

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Biologie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Climate Research. 2007, 34(3), pp. 259-262

Zusammenfassung

Indices of the North Atlantic Oscillation (NAO) have been very useful for explaining interannual variability in many ecological time series. We suggest that this is based on a combination of 3 factors: (1) the strong relationship between NAO and meteorological conditions in winter; (2) qualitative changes in environmental conditions in response to winter conditions, especially tempe- ratures; and (3) the central importance of those conditions for the distribution and population dynamics of species in temperate and boreal regions. The increase in winter temperatures associated with a shift of NAO towards its positive phase in recent years has resulted in a relief from winter stress for many species and populations. This has reduced mortality rates during winter, thereby influencing local population dynamics and allowing, for example, the northward expansion of many species. In contrast to winter warming, the recent increase in summer temperature has had fewer ecological consequences, as it has not been large enough to cause an increase in heat stress to critical levels during summer. The difference in the ecological consequences of winter and summer warming also explains why reductions in the ranges of species have been observed less often than expansions during the past few decades. However, with further warming, summer heat stress might become an increasingly important determinant of the response of species to climate warming. This suggests that studies analysing the effects of the winter NAO on species dynamics and distributions will give us
only a limited perspective on the further consequences of climate warming.

Fachgebiet (DDC)

570 Biowissenschaften, Biologie

Schlagwörter

Winter ecology, Range expansion, Heat stress, Climate indices, Climate change

Zitieren

ISO 690

STRAILE, Dietmar, Nils Christian STENSETH, 2007. The North Atlantic Oscillation and ecology : links between historical time-series, and lessons regarding future climate warming. In: Climate Research. 2007, 34(3), pp. 259-262

BibTex

@article{Straile2007North-6826,
  year={2007},
  title={The North Atlantic Oscillation and ecology : links between historical time-series, and lessons regarding future climate warming},
  number={3},
  volume={34},
  journal={Climate Research},
  pages={259--262},
  author={Straile, Dietmar and Stenseth, Nils Christian}
}

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