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Article
Jeanne Clermont, Auteur ; Denis Reale, Auteur ; Jean-Francois Giroux, AuteurObserved phenological changes can be explained either by individual phenotypic plasticity or by evolutionary changes, but there is more evidence pointing towards phenotypic plasticity to explain the mechanism behind changes in bird phenology. Ho[...]
Article
Josée Lefebvre, Auteur ; Gilles Gauthier, Auteur ; Jean-Francois Giroux, Auteur ; Austin Reed, Auteur ; Eric T. Reed, Auteur ; Luc Bélanger, AuteurBetween the early 1900s and the 1990s, the greater snow goose Anser caerulescens atlanticus population grew from 3000 individuals to more than 700 000. Because of concerns about Arctic degradation of natural habitats through overgrazing, a worki[...]
Article
Jean-Francois Giroux, Auteur ; Martin Patenaude-Monette, Auteur ; Florent Lagarde, Auteur ; Ericka Thieriot, Auteur ; Pierre Brousseau, Auteur ; Pierre Molina, AuteurRing-billed Gulls (Larus delawarensis) were rare at the beginning of the 20th century, possibly because of intensive exploitation. Once they became protected in 1916, their numbers increased throughout eastern North America, reaching a maximum o[...]
Article
Anik Pannetier Lebeuf, Auteur ; Jean-Francois Giroux, AuteurDensity-dependent effects on reproduction can arise through variation in habitat quality or increased competition and interference among neighbours. Negative effects have been found in avian populations and these have been mainly attributed to f[...]
