EARLY HEARING DETECTION AND INTERVENTION VIRTUAL CONFERENCE
MARCH 2-5, 2021
(Virtually the same conference, without elevators, airplane tickets, or hotel room keys)
5/21/2018 | 2:45 PM - 3:00 PM | SETTING MANAGEMENT TARGETS FOR URBANIZED STREAMS: CONSTRAINTS AND OPPORTUNITIES | 310 A
SETTING MANAGEMENT TARGETS FOR URBANIZED STREAMS: CONSTRAINTS AND OPPORTUNITIES
The urban stream syndrome is a reality in urban landscapes, with degraded biological conditions almost universally accepted. From a regulatory perspective, assessment, restoration, and permitting goals for urban streams are frequently based on a single, least-disturbed reference based biological condition target. For urban stream management, this raises important questions: is a single biological target based on reference condition an achievable goal? What other structure might exist? In past talks, we presented analysis of biological conditions along urban gradients in North Carolina to explore these questions. We found that essentially no streams in urban watersheds met least-disturbed reference based targets. However, biological condition did vary within these watersheds, with some maintaining better biological conditions than others. We developed a biological potential model to evaluate sites that were further from meeting what is attainable in urban streams and used that to explore and compare watershed and reach scale predictors to try and understand this variability. In this presentation, we layout a framework for better management of biological conditions in urban streams that builds from the biological potential model and we offer alternative management goals based on ecosystem goods and services.
- Urban
- Management
- Beneficial Use Impairment
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Presenters/Authors
Michael Paul
(), Tetra Tech, Inc., Michael.Paul@tetratech.com;
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Diane Allen
(), Tetra Tech Inc., Diane.Allen@tetratech.com;
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