La Tour du Valat

Article

Mark-resight approach as a tool to estimate population size of one of the world's smallest goose populations

Kevin Kuhlmann Clausen, Auteur ; Casper Caesar Faelled, Auteur ; Preben Clausen, Auteur

Dans Bird Study (60(1) FEB 1 2013)

Capsule The present study investigates the use of a mark-resight procedure to estimate total population size in a local goose population. Using colour-ring sightings of the increasingly scattered population of Light-bellied Brent Geese Branta be[...]

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Article

Energetic consequences of a major change in habitat use: endangered Brent Geese Branta bernicla hrota losing their main food resource

Kevin Kuhlmann Clausen, Auteur ; Preben Clausen, Auteur ; Casper Caesar Faelled, Auteur ; Kim Norgaard Mouritsen, Auteur

Dans Ibis (154(4) OCT 2012)

Coastal seagrasses are declining at increasing rates worldwide, forcing herbivores previously reliant on these habitats to abandon them in search of alternative ways to fulfil their daily energy budgets. After two decades of declining seagrass a[...]

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Article

Varying energetic costs of Brent Geese along a continuum from aquatic to agricultural habitats: the importance of habitat-specific energy expenditure

Kevin Kuhlmann Clausen, Auteur ; Preben Clausen, Auteur ; Anthony David Fox, Auteur ; Casper Caesar Faelled, Auteur ; Jesper Madsen, Auteur

Dans Journal of Ornithology (154(1) JAN 2013)

We investigated how habitat-specific differences in behavioural patterns affected Brent Goose energetics along a feeding continuum from natural aquatic to inland agricultural habitats. Time-budgets showed that geese using salt-marshes and inland[...]

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