Ecological Approach and Practical Application McElwee, Kris Baker, John Clair, Danielle text Oregon Pond Dynamics/Aquaculture Collaborative Research Support Program c1998 monographic viii,125 p, ; ill. edited by Kris McElwee, John Baker and Danielle Clair Includes bibliographical references (p.112-125) Pond Fertilization SH159 .P6 1998 UOEL 000 20150528091459.0