Abstract: Les observations de rorquals bleus (Balaenoptera musculus) et de rorquals à bosse (Megaptera novaeangliae) pour l’ensemble du système du Golfe du Saint-Laurent (GSL) ont été répertoriées par le MICS depuis 1979 (Figure 1). En Minganie, les observations de baleines bleues ont chuté depuis le début des années 1990. Parallèlement, les observations de rorquals à bosse présentent la tendance inverse....
Sears, Richard; Doniol-Valcroze, Thomas; Berchock, Catherine; Palsbøll, Per; Bendlin, Andrea; Ramp, Christian. 2009. Sex structure and male-male competition in blue whale trios from the North Atlantic or simplya "ménage à trois". Oral presentation to the Eighteenth Biennal Conference on the Biology of Marine Mammals, Quebec, Canada.
Palsbøll, Per; Tison, Jean-Luc; Hammaström, Ingrid; Sears, Richard; Ramp, Christian; Bérubé, Martine. 2009. "False signature" of past population expansions in North Atlantic minke whales mitochondrial control region sequences. Oral presentation to the Eighteenth Biennal Conference on the Biology of Marine Mammals, Quebec, Canada.
Abstract: The Gulf of St. Lawrence is a summer feeding ground for the blue whale and other marine mammal species. Blue whale (Balaenoptera musculus) sightings in the northern part of the gulf have declined since the early 1990s, while the number of humpback whales (Megaptera novaeangliae) has increased since then. Over the same period, abundance of many Atlantic cod (Gadus...
Ramp, Christian; Delarue, Julien; Palsbøll, Per; Bérubé Martine; Sears, Richard. 2009. Sex specific mortality in balaenopterids? Comparing long-term studies on humpback, fin and blue whales from the Gulf of St-Lawrence, Canada. Poster presented at the Eighteenth Biennal Conference on the Biology of Marine Mammals, Quebec, Canada.
Abstract: Little is known about the social organization of balaenopterids . Fin whales are typically seen alone or in pairs but larger groups occur in some areas. We analyzed fin whale photo-identification and biopsy data collected in the northern Gulf of St. Lawrence (GSL), Canada. 2068 sightings (out of 3608) contained at least one identified fin whale; 286 fin whales...
Paquet, Louis-Frédéric; Delarue, Julien; Ramp, Christian; Sears, Richard. 2009. MICS-PIX: A web-based, multi-species software for the processing, matching, and storaging of digital photo-identification images. Poster presented at the Eighteenth Biennal Conference on the Biology of Marine Mammals, Quebec, Canada.
Gavrilchuk, Katherine; Renaud, Limoilou-Amélie. 2009. Twenty-six years of photo-identification of fin whales (Balaenoptera physalus): summary, trends and comparison with a sympatric species. Poster presented at the Eighteenth Biennal Conference on the Biology of Marine Mammals, Quebec, Canada.
Kot, Brian; Sears, Richard. 2009. New rorqual whale lunge-feeding strategies, behaviors and mechanisms. Poster presented at the Eighteenth Biennal Conference on the Biology of Marine Mammals, Quebec, Canada.
Tison, Jean-Luc; Bérubé Martine; Sears, Richard; Ramp, Christian; Larsen, Finn; Giard, Janie; Palsbøll, Per. 2009. Patterns of genetic variation in North Atlantic blue whales (Balaenoptera musculus): Population diversity, differenciation and demographic history analysis of mitochondrial and nuclear Loci. Poster presented at the Eighteenth Biennal Conference on the Biology of Marine Mammals, Quebec, Canada.
