Artikel-Suche

Märki, H. & G. Adamek

Nahrungsbedingt wechselnde Winterhabitate des Zitronengirlitzes Serinus citrinella in Südfrankreich.

2013

110

437–452

Key words
(von 1994 bis 2006 vergeben)

Winterquartier, Nahrungsgrundlage, Nahrungsangebot, Nahrungssuchverhalten, Lebensraum, Energiegehalt von Samen, Pinus-Samen, Schneefall, Kältewelle

Schlagwort_Vogelart
(wissenschaftlich)

Serinus citrinella, Carduelis carduelis, Carduelis spinus, Fringilla coelebs, Parus ater, Parus cristatus, Loxia curvirostra, Fringilla montifringilla, Carduelis chloris, Serinus corsicanus, Sylvia atricapilla, Serinus serinus, Montifringilla nivalis

Schlagwort_Vogelart
(deutsch)

Zitronengirlitz, Distelfink, Erlenzeisig, Buchfink, Tannenmeise, Haubenmeise, Fichtenkreuzschnabel, Bergfink, Grünfink, Korsengirlitz, Mönchsgrasmücke, Girlitz, Schneesperling

Südfrankreich, Cevennen, Zentralmassiv, Provence

deutsch

Abhandlung

Changes of winter habitat of Citril Finch Serinus citrinella in relation to varying food resources in southern France. – Central-European Citril Finch Serinus citrinella overwinter together with the local populations in southern France east and west of the Rhone River in mountainous areas above 1000 m a.s.l., on condition that seeds of pine trees Pinus sp. are abundant. It is the high energy content of these seeds by comparison to those of herbs that allows the birds to spend the winter in a rough mountain climate. East of the Rhone River, when pine seeds are lacking, the birds move to the lowlands of Provence, sometimes far away from mountains, where they prefer habitats with segetal and ruderal vegetation, particularly weedy lavender fields. This could also be a result of a higher density in this part of the winter quarters caused by immigration of birds of the nearby alpine population. By contrast, Citril Finches of the Cevennes and southern Massif Central appear in lowlands only in periods of heavy snowfall and/or cold waves. This is attributed to the availability of seeds of wood sage Teucrium scorodonia in the chestnut groves of these mountains, where – in contrast to the mountains east of the Rhone River – this herb is widespread and abundant on the prevailing acid soils. It is concluded that T. scorodonia provides sufficient food if pine seeds are not available and therefore allows Citril Finch to spend most winters in the mountains. The occurrence of the Citril Finch in coastal areas (but only east of the Rhone River) is explained and the particular importance of the genus Pinus for its actual range and postglacial spread in southwestern Europe is shown.