Caribou (IMAGE) University of British Columbia Okanagan campus Caption A team of researchers has determined the declining caribou population is part of a natural chain reaction from forest harvesting which can attract predators and competition for food. Credit Caribou Monitoring Unit Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.