The status of the Nordic populations of the mallard (Anas platyrhynchos) in a changing world

Dalby, Lars; Söderquist, Pär; Christensen, Thomas K.; Clausen, Preben; Einarsson, Árni; Elmberg, Johan; Fox, Anthony D.; Holmqvist, Niklas; Langendoen, Tom; Lehikoinen, Aleksi; Lindström, Åke; Lorentsen, Svein-Håkon; Nilsson, Leif; Pöysä, Hannu; Rintala, Jukka; Sigfússon, Arnór Þ.; Svenning, Jens-Christian (2013)