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Average mass of seeds encountered by foraging dabbling ducks in western Europe

Arzel, Céline (author)
Högskolan Kristianstad,Institutionen för matematik och naturvetenskap
Elmberg, Johan, 1960- (author)
Högskolan Kristianstad,Institutionen för matematik och naturvetenskap,Akvatisk biologi och kemi
Guillemain, Matthieu (author)
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Legagneux, Pierre (author)
Bosca, Fabrice (author)
Chambouleyron, Mathieu (author)
Lepley, Michel (author)
Pin, Christophe (author)
Arnaud, Antoine (author)
Schricke, Vincent (author)
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 (creator_code:org_t)
2007
2007
English.
In: Wildlife Biology. - 0909-6396 .- 1903-220X. - 0909-6396 ; 13:3, s. 328-336
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Many dabbling ducks Anas spp. are largely granivorous, consuming a variety of seeds chiefly from aquatic plants. To assess the relative value and carrying capacity of wetlands for dabbling ducks, species-specific information about seed mass is needed, but it is still largely missing or scattered in the literature. By combining weights of seeds collected in the field with a literature review, we provide a reference table for seed mass of 200 western European plant taxa frequently encountered by foraging dabbling ducks. Seeds collected in the field were sampled in microhabitats and at depths at which ducks were observed to forage, and study sites represent wintering, staging as well as breeding areas within a flyway in western Europe. When combined with calorimetric data, the present reference table will aid managers and scientists in assessing the importance of seed food resources at different sites and during different parts of the annual cycle.

Subject headings

NATURAL SCIENCES  -- Biological Sciences (hsv//eng)
NATURVETENSKAP  -- Biologiska vetenskaper (hsv//swe)

Keyword

Core sample
dabbling ducks
seed mass
waterfowl
wetland
Biology
Biologi

Publication and Content Type

ref (subject category)
art (subject category)

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