Cormorant Islet (IMAGE) American Society of Agronomy Caption The small islet in the reservoir is home to many cormorants. Researchers investigated the impact of the cormorants' feces on water quality. Credit Wonju Today. Usage Restrictions Please use with story 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.