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Sökning: onr:"swepub:oai:lup.lub.lu.se:b63fc87b-9f36-4f62-919b-8ad4573e009b" > Impact of Climate a...

  • Barshep, Yahkat (författare)

Impact of Climate and Predation on Autumn Migration of the Curlew Sandpiper

  • Artikel/kapitelEngelska2011

Förlag, utgivningsår, omfång ...

  • 2011

Nummerbeteckningar

  • LIBRIS-ID:oai:lup.lub.lu.se:b63fc87b-9f36-4f62-919b-8ad4573e009b
  • https://lup.lub.lu.se/record/1925607URI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

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Klassifikation

  • Ämneskategori:art swepub-publicationtype
  • Ämneskategori:ref swepub-contenttype

Anmärkningar

  • Using constant-effort catch data, causes of annual variation in the timing of migration of Curlew Sandpipers (Calidris ferruginea) migrating through Ottenby, Sweden, as well as the trend in timing of migration from 1946-2005, was investigated. Variation in the timing of autumn migration of adult and juvenile Curlew Sandpipers was influenced by breeding success connected to predation pressure on the Arctic breeding grounds. Median migration date of adult birds was significantly later in good breeding years compared with poor breeding years while the migration of juveniles was earlier in good breeding years compared with poor breeding years. Also, adults migrated earlier when the average temperature in June was warmer. Median migration dates of adults have advanced by 23 days from 1946-2005, but the migration dates of juveniles have remained unchanged. Unchanged migration dates of juveniles indicate that earlier departure of the adult Curlew Sandpipers from the breeding grounds was not due to earlier breeding. Evidence suggests that declining breeding productivity as a result of increasing predation on broods of shorebirds might, over the years, be the reason for the observed pattern of early departure of adults from the breeding grounds. One possible consequence of earlier migration is a mismatch between timing of migration and periods of food abundance on migration routes and at the wintering grounds, leading to a decline in adult and juvenile survival and population size. Received 24 February 2010, accepted 30 September 2010.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Hedenström, AndersLund University,Lunds universitet,Evolutionär ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Evolutionary ecology,Department of Biology,Faculty of Science(Swepub:lu)ekol-ahe (författare)
  • Underhill, Leslie Gordon (författare)
  • Evolutionär ekologiBiologiska institutionen (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Waterbirds34:1, s. 41283-412831524-4695

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Av författaren/redakt...
Barshep, Yahkat
Hedenström, Ande ...
Underhill, Lesli ...
Om ämnet
NATURVETENSKAP
NATURVETENSKAP
och Biologi
Artiklar i publikationen
Waterbirds
Av lärosätet
Lunds universitet

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