Dr. Merz is a registered scientist with the American Fisheries Society. He has over 20 years of experience working with aquatic resources and has been the principal scientist on several salmonid habitat restoration programs in the California Central Valley. He has taught environmental science, salmon biology and restoration courses for the past fourteen years.

Joe is known for his work with human and fisheries habitat interactions, and for his ability to communicate with scientific and stakeholder audiences alike. He has earned degrees in Environmental and Systematic Biology (Bachelors), Cal Poly at San Luis Obispo (1991); Biological Conservation (Masters), California State University, Sacramento (1994); and Conservation Ecology (Ph.D.), University of California, Davis (2004).

Dr. Merz has worked for California public, provide and non-profit entities on resource monitoring and fisheries habitat enhancement. He is noted as an environmental studies and natural resources lecturer, and for his successes working with stakeholders. He has coauthored a variety of peer-reviewed publications*, focusing on river rehabilitation, fish movement, invasive species, woody debris/redd associations, and evaluation of spawning habitat enhancement, among others. In line with his professional interests, he is a member of the Ecological Society of America, the American Fisheries Society and the Southwestern Association of Naturalists.  Dr. Merz has been honored with a variety of awards and has received research and restoration grants from multiple stakeholders for restoration related projects in California, Oregon and Washington for salmonid habitat restoration; salmonid management and reintroduction; monitoring of fish migration and movement; fish passage improvement; and assessment of invasive species interactions with native salmonid populations.