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Invasive Crayfish May Help Promote Mosquito Borne Diseases and Degrade Aquatic Diversity

Post Date:08/15/2018 10:53 AM

The Las Virgenes – Triunfo Joint Powers Authority (JPA) initiated research into invasive species found in the Malibu Creek watershed and the potential impact they may have on ecosystem integrity. The Tapia Water Reclamation Facility (Tapia) is regulated by the USEPA, and its Total Maximum Daily Load (TMDL) guidance study, which limits nutrient loading from the effluent discharge into Malibu Creek from the wastewater treatment processes. This document placed strict new regulatory requirements on the water entering the creek from Tapia.

However, the USEPA study failed to include any analysis on what affect the presence of invasive species could have on stream health. Concerned that this omission might not tell the whole story of Malibu Creek, the JPA in collaboration with the Mountains Restoration Trust and researchers from the University of California Los Angeles, U.S. Geological Survey, and Pepperdine University, investigated how the presence of the invasive red swamp crayfish (Procambarus clarkii) might impact the ecosystem of local streams.

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