Detritivore research sites (IMAGE) Penn State Caption This map shows the global distribution of study sites in different biomes. Streams were located in tundra, temperate broadleaf forest, temperate coniferous forest, Mediterranean forest, xeric shrubland, tropical wet forest and tropical savanna. Credit Bradley Cardinale Lab, Penn State 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.