Coastal Forest in British Columbia (IMAGE) University of Waterloo Caption New research shows that 13,000 years of repeated human occupation by British Columbia's coastal First Nations has enhanced temperate rainforest productivity. Credit Will McInnes/Hakai Institute 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.