title: Trends in body mass of ducks over time: the hypotheses in Guillemain et al. revisited.
authors.affiliation: Aquatic Biology and Chemistry, Kristianstad University, Sweden. gunnar.gunnarsson@hkr.se
authors.forename: Gunnar
authors.initials: G
authors.lastname: Gunnarsson
authors.forename: Johan
authors.initials: J
authors.lastname: Elmberg
authors.forename: Jonas
authors.initials: J
authors.lastname: Waldenström
mesh_terms: D000818:Animals; D001835:Body Weight; D004372:Ducks; D008962:Models, Theoretical; D012621:Seasons