Gulf of Maine scientific diving (IMAGE) Bigelow Laboratory for Ocean Sciences Caption Senior Research Scientist Doug Rasher and his team have assembled the first in-depth census of Maine’s kelp forests in almost 20 years, combining dive surveys of sea urchin and kelp populations with data on ocean temperature. Credit Bigelow Laboratory for Ocean Sciences Usage Restrictions Re-usage allowed with propert credit. 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.