Algal Bloom (IMAGE) Virginia Institute of Marine Science Caption An exceptionally dense bloom of Alexandrium monilatum was observed in lower Chesapeake Bay along the north shore of the York River between Sarah's Creek and the Perrin River on Aug. 17, 2015. Credit © W. Vogelbein/VIMS. Usage Restrictions One-time use only. 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.