508 alaska americanbison animal-plantrelationships animalbehavior animaldiversityconservation animalecology animalmigration animalpopulationgroups animals australia biodiversityconservation biologicalrhythms biologicalscience bioticcommunities birds congresses cycles dd9137 ecologiadapoluição ecologicalsurveys ecologie ecology edible endangeredspecies environmentalaspects estimates evolution evolution(biology) fisheries fishes fishingnets foodchains(ecology) galapagosislands gameandgame-birds habitat(ecology) herbivores human-animalrelationships humanecology largecactusgroundfinch mathematicalmodels mathematics methodology microbiology naturalhistory naturalselection plantecology plantpopulations plants populatiedynamica population populationbiology populationdynamics populationsurveillance predation(biology) ql752c371a1977 ql752c748m1972 sealions seasons socialaspects statisticalmethods statistics steller'ssealion stochasticprocesses technique vertebratepopulations vertebrates veterinarymedicine wildlifeconservation wildlifemanagement wildliferesearch wolves zoogeography