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Ecosystem Dynamicsand is responsible for managing and monitoring these ever-growing herds. To help the BLM achieve greater science-based management, FORT scientists coordinated expert input on five key management topics-fertility control, genetic conservation, population dynamics, habitat assessments, and health and handling concerns-and developed a long-range strategic research plan for the BLM, incorporating BLM management goals for these animals. FORT scientists are also developing and testing more accurate population estimate techniques. Riparian EcologyRiparian ecosystems in the arid West support large and diverse communities of plants and animals, improve water quality, attenuate floods, and provide recreational opportunities. However, the