Northeast Australia’s relict tropical rainforests (IMAGE) University of Oxford Caption Northeast Australia’s relict tropical rainforests, one of the oldest and most isolated rainforests in the world. Tree death rates have markedly increased across species in northeast Australia's tropical rainforests, threatening the critical climate mitigation and other functions of these ecosystems. Credit: Alexander Schenkin Credit Credit Alexander Schenkin Usage Restrictions For use with this paper only License Original 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.