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Documents disponibles écrits par cet auteur (6)
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Article
Mark L. Mallory, Auteur ; Mark R. Forbes, AuteurThe physical characteristics of nest sites are thought to influence both the outcome of breeding attempts and breeding behavior in colonial seabirds. We examined the relationship between nest shelter in breeding Northern Fulmars (Fulmarus glacia[...]
Article
Darryl B. Edwards, Auteur ; Mark R. Forbes, AuteurEarly male arrival at breeding sites, or protandry, is thought to have evolved from intrasexual competition among males for access to mates or breeding resources. Males of polygynous species tend to be larger than females and have exaggerated se[...]
Article
Mark L. Mallory, Auteur ; J. Daniel McLaughlin, Auteur ; Mark R. Forbes, AuteurWe studied the relationship between contaminant concentrations in livers, endohelminth prevalence and physiological indices of chronic stress (spleen size, heterophil/lymphocyte ratios) in Northern Fulmars Fulmarus glacialis collected during the[...]
Article
Sebastien Descamps, Auteur ; Mark R. Forbes, Auteur ; H. Grant Gilchrist, Auteur ; Oliver P. Love, Auteur ; Joel Bety, AuteurInfectious diseases can have dramatic impacts on animal population dynamics, but how they influence vital rates remains understudied. We took advantage of the appearance of an avian cholera epizootic in an arctic colony of common eiders Somateri[...]
Article
Paul A. Smith, Auteur ; H. Grant Gilchrist, Auteur ; Mark R. Forbes, Auteur ; Jean-Louis Martin, Auteur ; Karel Allard, AuteurArctic breeding shorebirds travel thousands of kilometres between their wintering and breeding grounds, yet the period over which they arrive and begin to initiate nests spans only several weeks. We investigated the role of local conditions such[...]
Article
Stacey A. Robinson, Auteur ; Mark R. Forbes, Auteur ; Craig E. Hebert, Auteur ; J. Daniel McLaughlin, AuteurIn vertebrates, males are often more parasitised than conspecific females. This bias in parasitism might result from sex differences in parasite exposure and/or susceptibility to infection. Such information is important for testing hypotheses ab[...]
