2023 Early Hearing Detection & Intervention Conference

March 5-7, 2023 • Cincinnati, OH

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5/20/2019 | 2:00 PM - 2:15 PM | EFFICACY OF RESTORATION EFFORTS IN THE PROVO RIVER, UTAH WITH RESPECT TO AQUATIC INSECT DIVERSITY AND ABUNDANCE | 150 G

EFFICACY OF RESTORATION EFFORTS IN THE PROVO RIVER, UTAH WITH RESPECT TO AQUATIC INSECT DIVERSITY AND ABUNDANCE

River restoration projects seek to alleviate the ecological disruption caused by river damming and channelization. They have been commonly implemented throughout North America and Europe with varied results. Based on the assumption that a diversity of habitat will promote macroinvertebrate diversity, restoration efforts are often focused on restoring habitat heterogeneity. From 1999-2008, the Utah Reclamation Mitigation and Conservation Commission implemented a large-scale restoration project on the Middle Provo River in Wasatch County, Utah, U.S.A. to improve the health of this Blue-Ribbon fishery. They restored a portion of the river that had been previously channelized for flood control to a historically determined meandering geomorphology. To understand the baseline aquatic insect diversity of the reconstructed section, macroinvertebrate samples were collected before and during the restoration project. Fifteen years later, we returned to these sampling sites to perform a follow up study and assess the long-term outcomes of the Provo River Restoration Project. By comparing species diversity and abundance from macroinvertebrate samples taken before and after completion of the restoration project, our results show that species diversity has not increased in the restored sites.

Bioassessment
Invertebrate
Dams

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Presenters/Authors

Jared Meek (), Columbia University, jared.meek@gmail.com;