About: Birds of a feather winter together: migratory connectivity in the Reed Warbler Acrocephalus scirpaceus     Goto   Sponge   NotDistinct   Permalink

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Description
  • Při studiu tahové konektivity rákosníka obecného jsme analyzovali (1) všechna dostupná zpětná hlášení ze subsaharské Afriky a (2) stabilní izotopy v peří vyrostlém v Africe, které jsme získali ze 17 evropských hnízdišť napříč tahovým rozhraním. Shluková analýza zpětných hlášení ukázala pozoruhodnou konektivitu mezi hnízdišti a zimovišti. Dva hlavní shluky reprezentovaly populace táhnoucí dvěma hlavními směry jihovýchodním (JV) a jihozápadním (JZ ). Analýza stabilních izotopů potvrdila oddělení zimovišť populací táhnoucích JZ a JV směrem. Vyšší hodnoty delta15N v peří ptáků táhnoucích JV směrem naznačují, že obývali sušší biomy. Hodnoty delta13C se nelišily mezi populacemi, byly vyšší než hodnoty v peří se známým evropském původem a poukazovaly na biom s převažujícím zastoupením C4 vegetace. Tři populace s neznámým směrem tahu byly na základě hodnot delta15N přiřazeny k populacím táhnoucích JZ směrem. (cs)
  • To investigate migratory connectivity in the Reed Warbler, we analysed (1) all available sub-Saharan ringing recoveries and (2) stable isotopes in feathers grown in Africa sampled at 17 European breeding sites across a migratory divide. A cluster analysis of ringing recoveries showed remarkable connectivity between breeding and non-breeding grounds. Two main clusters represented populations taking the two main migratory routes [southwesterly (SW) and southeasterly (SE)]. Stable isotope analysis confirmed the separation of wintering areas of SW- and SE-migrating populations. Higher delta15N values in feathers of SE-migrating birds indicated that they occupied more xeric biome types. Values of delta13C that did not differ significantly among populations were higher than those from feathers of known European origin and indicated a C4 biome. Three populations with an unknown migratory direction were assigned to the SE-migrating populations on the basis of delta15N values.
  • To investigate migratory connectivity in the Reed Warbler, we analysed (1) all available sub-Saharan ringing recoveries and (2) stable isotopes in feathers grown in Africa sampled at 17 European breeding sites across a migratory divide. A cluster analysis of ringing recoveries showed remarkable connectivity between breeding and non-breeding grounds. Two main clusters represented populations taking the two main migratory routes [southwesterly (SW) and southeasterly (SE)]. Stable isotope analysis confirmed the separation of wintering areas of SW- and SE-migrating populations. Higher delta15N values in feathers of SE-migrating birds indicated that they occupied more xeric biome types. Values of delta13C that did not differ significantly among populations were higher than those from feathers of known European origin and indicated a C4 biome. Three populations with an unknown migratory direction were assigned to the SE-migrating populations on the basis of delta15N values. (en)
Title
  • Birds of a feather winter together: migratory connectivity in the Reed Warbler Acrocephalus scirpaceus
  • Rovný rovného si hledá i v zimě: tahová konektivita rákosníka obecného Acrocephalus scirpaceus (cs)
  • Birds of a feather winter together: migratory connectivity in the Reed Warbler Acrocephalus scirpaceus (en)
skos:prefLabel
  • Birds of a feather winter together: migratory connectivity in the Reed Warbler Acrocephalus scirpaceus
  • Rovný rovného si hledá i v zimě: tahová konektivita rákosníka obecného Acrocephalus scirpaceus (cs)
  • Birds of a feather winter together: migratory connectivity in the Reed Warbler Acrocephalus scirpaceus (en)
skos:notation
  • RIV/68081766:_____/08:00082738!RIV08-AV0-68081766
http://linked.open.../vavai/riv/strany
  • 141;150
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(KJB600930508), Z(AV0Z60930519)
http://linked.open...iv/cisloPeriodika
  • 2
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 358232
http://linked.open...ai/riv/idVysledku
  • RIV/68081766:_____/08:00082738
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Acrocephalus scirpaceus; migratory connectivity; migratory divide; ringing recoveries; stable isotopes (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV
  • [1219206996AC]
http://linked.open...i/riv/nazevZdroje
  • Journal of Ornithology
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 149
http://linked.open...iv/tvurceVysledku
  • Procházka, Petr
  • Hobson, K. A.
  • Kralj, J.
  • Karcza, Z.
http://linked.open...n/vavai/riv/zamer
issn
  • 0021-8375
number of pages
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