Caldera Symposium

Caldera Symposium  

The first Caldera Symposium on July 12, 2012 brought leading scientific and angling experts together to explore the research gathered through the Caldera Project. HFF began the Caldera Project in 2008 and continues to lead a team of experts to better understand and protect the unique fisheries of the Caldera section of the Henry's Fork.

Watch the Caldera Symposium online
Download the Caldera Symposium Proceedings.

The Symposium included 12 scientific/technical presentations and five angler presentations. The agenda for the day is below. Experts discussed fisheries management, geology, geomorphology, and aquatic plants. Renowned anglers provided a river-level view of how fishing in the Caldera has evolved.

Time Presenter Presentation Title
8:30 Brandon Hoffner Welcoming Remarks
Session 1 - River Context and Aquatic Plants. Moderator: Jim DeRito
8:40 Mel Kuntz Volcanoes, glaciers, water and fish
9:00 Rob Van Kirk Hydrology of the upper Henry's Fork: climate, geology, and water management
9:20 Nelson Ishiyama Why Do They Come to the Ranch?
9:40 Mark Tompkins Henrys Fork Island Park Caldera Reach evaluation: hydrology, geomorphology, and sediment transport
10:00 Jeff Snyder Aquatic macropphyte abundance and distribution in the Henry's Fork of the Snake River through Harriman State Park of Idaho, 1988 and 2011
10:20 Break
Session 2 - Plants Continued and Angler Surveys. Moderator: Lee Mabey
10:40 Adonia Henry Trend of aquatic macrophytes of the Henrys Fork in Harriman State Park
11:00 John McDaniel Why I never fish anywhere else but the Ranch
11:20 Greg Schoby Henrys Form Creel Survey - 2008
11:40 Jim DeRito Angler demographics, satisfaction and management opinions of the Henrys Fork in Harriman State Park
Session 3 - Rainbow Trout. Moderator: Greg Schoby
1:00 Dan Garren Flows and fish - the relationship between rainbow trout abundance and flow releases from Island Park Dam
1:20 Mike Lawson Outfitting and Guiding in the Caldera
1:40 Jim Gregory Survival and movement of adult rainbow trout during winter and spring in the Henrys Fork of the Snake River
2:00 Rene Harrop Changes in trout behavior
2:20 Anne Marie Emery Winter use of Caldera tributaries by subyearling rainbow trout
2:40 Break
Session 4 - Restoration, mapping and panel discussion. Moderator: Jim Gregory
3:00 Lee Mabey Restoration opportunities on Caldera tributaries
3:20 Mick Mickelson Back to the Future?
3:40 Tom McMurray Maps, smartphones and citizen science
4:00 Panel Discussion: Harriman State Park - what do anglers want and where do we go from here?
5:00 End