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Fältval hos höstrastande och övervintrande gäss i sydvästra sverige 19 77/1978-2011/2012

Field choice of autumn staging and wintering geese in south-western Sweden 1977/78-2011/12

In English

Författare

Summary, in English

Field choice was recorded during counts of geese in South-west Scania, South Sweden in autumn (October and November) and in winter (January), 1977/1978-2011/2012. Sugar beet spill was the most important field type in autumn and during the last ten years also in winter. Bean Geese Anserfabalis used this food source when the study started while Canada Geese Branta canadensis, Greylag Geese Anser anser, White-fronted Geese Anser albifrons and Barnacle Geese Branta leucopsis followed during the years 1987-2001. Potatoes were mainly used when fields with sugar beet spill were unavailable. Cereal stubbles were mainly used in autumn and to a quite low extent. Winter cereals were heavily used by most species in both autumn and winter during the first 15 years but less so thereafter. Grasslands were mainly used in winter, to a large extent by White-fronted Geese and to a quite high extent by Bean Geese and Barnacle Geese. The total use of oilseed rape was low, mainly by Canada Geese that utilised fields with no-till when the ground was snowcovered.

Avdelning/ar

Publiceringsår

2013

Språk

Svenska

Sidor

46-60

Publikation/Tidskrift/Serie

Ornis Svecica

Volym

23

Issue

1

Dokumenttyp

Artikel i tidskrift

Förlag

Sveriges Ornitologiska Förening

Ämne

  • Zoology

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1102-6812