Alan B. Thum Watershed Protection Fund


The late Alan B. Thum at work in San Elijo Lagoon

Alan B. Thum Land Stewardship Fund

San Elijo Lagoon Conservancy established the Alan B. Thum Land Stewardship Fund in 2003 to honor the memory and accomplishments of a good friend and dedicated conservationist. Proceeds from the fund support research on special aspects of San Diego's unique and threatened coastal wetlands. 

About Dr. Alan B. Thum
Born in 1943 in Washington, D.C., Alan B. Thum moved to Claremont, California in 1956 and became a long-time Southern California resident and environmental change-maker. He received his Ph.D. in marine biology from Oregon State University. He was an effective and tireless advocate for clean water, riparian and estuarine habitats, and San Elijo Lagoon.

As a marine biologist and Encinitas resident, he was an early advocate for monitoring the entire watershed for progress on water quality. Alan served as watershed Co-Coordinator of Southern California Wetlands Task Force, and was a member of Encinitas Blue Ribbon Committee and Environmental Health Advisory Board.

He crafted the Invasive Removal Program Proposal with Carlsbad Watershed Network. Alan B. Thum published in numerous scientific publications.

He passed away in 2003 and is survived by his wife Judy F. Thum and their two sons James S. Thum and Jeremy D. Thum. Alan B. Thum leaves a legacy at San Elijo Lagoon Conservancy for the conservation projects he established, and through the people he inspired. 

Support the Alan B. Thum Land Stewardship Fund. Contact:

Jennifer Bright, Development Director
San Elijo Lagoon Conservancy
(760) 436-3944 x 705
jennifer [at] sanelijo [dot] org

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