Title: Long-term ecological change in the northern Gulf of Alaska
Subjects: Poissons, Écosystèmes, Fish communities, Marine mammals, Aquatic habitats, Habitat aquatique, Communautés, Déversements de pétrole, Oiseaux de mer, Oil spills, Perturbations écologiques, Ecological disturbances, Marine ecosystem health, Marine ecology, Environmental conditions, Sea birds, Mammifères marins, Écologie marine, Aspect de l'environnement, Santé, Ecology, United states, environmental conditions, Ecosystem health, Environmental aspects