Migration speed and scheduling of annual events by migrating birds in relation to climate change

Anders Hedenström, Z. Barta, B. Helm, A. I. Houston, J. M. McNamara, Niclas Jonzén

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

Empirical evidence for changed timing of migration in birds is emerging from both American and Euro-African migration systems, These changes are usually interpreted as a consequence of changes in climate. Responses in timing of migration and breeding may differ among species, and the adaptive significance is not well understood. There is a lack of theoretical understanding about time-shifts in life-history events due to climatic changes. In the present paper, we use 2 separate modelling approaches to investigate the effects of climate change on migration. We first use a simple model of flight speed and foraging to explore which factors may influence migration speed and stopover itinerary. Our second approach derives predictions based on an annual routine model, where behavioural strategies regarding timing of migration, breeding, moult and number of breeding attempts are modelled in an environment comprising 4 locations (breeding and wintering sites and 2 stopover sites). This approach takes account of interrelationships between behaviours and seasons as a step towards realistic modelling of migratory connectivity. Departure from the wintering site is advanced in relation to the advancement of spring if the moult is in summer, but not so for species with a winter moult, while arrival at the breeding site is advanced for both moult scenarios. Timing of breeding and number of successful broods were also affected by spring advancement, while start of moult is relatively unaffected by climate change. These optimal solutions under the modelled set of parameters are discussed with respect to current knowledge of the mechanisms underlying seasonal timing in birds.

Original languageEnglish
Pages (from-to)79-91
Number of pages13
JournalClimate Research
Volume35
Issue number1-2
DOIs
Publication statusPublished - Dec 31 2007

Fingerprint

Birds
Climate change
molt
Scheduling
bird
breeding
climate change
stopover
breeding site
modeling
speed
connectivity
life history
flight
winter
climate
summer
prediction

Keywords

  • Annual routines
  • Bird migration
  • Climate change
  • Phenology
  • Timing of breeding

ASJC Scopus subject areas

  • Atmospheric Science
  • Environmental Science(all)
  • Environmental Chemistry

Cite this

Migration speed and scheduling of annual events by migrating birds in relation to climate change. / Hedenström, Anders; Barta, Z.; Helm, B.; Houston, A. I.; McNamara, J. M.; Jonzén, Niclas.

In: Climate Research, Vol. 35, No. 1-2, 31.12.2007, p. 79-91.

Research output: Contribution to journalArticle

Hedenström, A, Barta, Z, Helm, B, Houston, AI, McNamara, JM & Jonzén, N 2007, 'Migration speed and scheduling of annual events by migrating birds in relation to climate change', Climate Research, vol. 35, no. 1-2, pp. 79-91. https://doi.org/10.3354/cr00715
Hedenström, Anders ; Barta, Z. ; Helm, B. ; Houston, A. I. ; McNamara, J. M. ; Jonzén, Niclas. / Migration speed and scheduling of annual events by migrating birds in relation to climate change. In: Climate Research. 2007 ; Vol. 35, No. 1-2. pp. 79-91.
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