02-1: Salamander Conservation Program Presentation — original pdf

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Salamander Conservation Program Austin Watershed Protection Nathan F. Bendik Conservation Program Supervisor Jollyville Plateau Salamander Edwards Aquifer (northern) Barton Springs Salamander Barton Springs Salamander Barton Springs Austin Blind Salamander Contributing zone Edwards Aquifer (Barton Springs recharge zone) Barton Springs Pool Habitat Conservation Plan (HCP) • Describes conservation measures that mitigate and minimize harm to federally protected salamanders • Requirement of City’s federal permit; allows us to operate Barton Springs Pool (endangered species habitat) • Implemented in 1998; renewed in 2013 • Permit expires in 2033 (City will likely renew) Figure 1. Location of the four major springs of the Barton Springs group. Upper Barton Spring Eliza Spring Old Mill/Sunken Garden Spring Major Elements of HCP • Habitat protection (e.g., limited pool drawdowns) • Habitat management (water level adjustments, sediment removal) • Assurance colony (Austin Salamander Conservation Center) • Habitat restoration (Eliza Spring Daylighting) • Population monitoring and research (are we meeting biological goals of HCP?) • Barton Springs Zone Spill Response Plan • Conservation Fund Pool drawdown after flood Captive Breeding Population • Austin Salamander Conservation Center • Refugium populations to preserve gene diversity in case extinct in wild Before After Habitat restoration: Eliza Daylighting in 2017 “stream” “pool” Eliza survey Underwater view 1997 salamander survey crew First stream salamanders Added smaller substrate Daylit stream starts flowing Questions/comments Nathan.Bendik@austintexas.gov 512-974-2040