2023 Early Hearing Detection & Intervention Conference

March 5-7, 2023 • Cincinnati, OH

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5/21/2019 | 9:30 AM - 9:45 AM | INTERDISCIPLINARY METHODS SHED NEW LIGHT ON INVASIVE PLANT CONTROL ALONG SOUTHWEST U.S. RIVERS | 251 DE

INTERDISCIPLINARY METHODS SHED NEW LIGHT ON INVASIVE PLANT CONTROL ALONG SOUTHWEST U.S. RIVERS

Restoration inherently includes both natural and human elements, although the interaction of the two are rarely investigated in both a qualitative and quantitative way. We considered the outcomes of invasive Tamarix control in riparian areas in the context of the background and perceptions of land managers, particularly to explore whether a disconnect exists between scientists and land managers and if that disconnect is associated with removal outcomes. To address this question, we used vegetation data from 244 Tamarix control sites in the Southwest U.S., surveys from 45 corresponding managers (227 sites), and additional interviews from 21 managers. Through our analysis of these combined data, we found that increased collaboration and involvement of multiple governing organizations (i.e., agencies) are associated with improved plant community composition, highlighting the benefits of some scientific recommendations. Surprisingly, we found that managers’ perception of science did not correlate with vegetation outcomes. Perception of science also did not correlate with whether managers followed scientific recommendations on how they carried out their projects. Our use of interdisciplinary methods gives a richer understanding of this system and provides new evidence for the importance of collaboration in riparian restoration.

Invasives
Restoration
Watershed

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Presenters/Authors

Lisa Clark (), University of Denver, lisa.buie.clark@gmail.com;