An intensive field course focusing on the identification of and interrelationships between stream biota of New York. Students will learn to identify commonly encountered species of fish, invertebrates, algae, and vascular plants (in-stream and riparian) and the life histories and interrelationships between these organisms and with their surroundings. Students will perform an independent project applying the skills learned in the course. The students will camp at the Biological Field Station for the duration of the course; costs shared by students. The course will be held biennially during the Summer Session.