Bottom Trawling Causes Deep-Sea Biological Desertification (IMAGE) Universitat Autonoma de Barcelona Caption This is a microscopic view of nematodes. Credit Cristina Gambi, Marche Polytechnic University 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.