2023 Early Hearing Detection & Intervention Conference
March 5-7, 2023 • Cincinnati, OH
5/20/2019 | 11:15 AM - 11:30 AM | THERMAL RESTORATION IN A FRAGMENTED LANDSCAPE. | 151 ABC
THERMAL RESTORATION IN A FRAGMENTED LANDSCAPE.
Understanding how riparian forest fragmentation affects stream thermal regimes is essential to inform effective land management programs aiming to achieve thermal restoration and/or resilience in the face of projected climate warming.
Here we present the results from a landscape-level study to evaluate the effects of riparian forest buffer quality on the thermal regimes of headwater streams. At a landscape level, there was important diurnal variations and restored riparian buffer patches. Analysis of adjacent riparian patches revealed very rapid warming of stream water flowing from covered to exposed patch cover types. At the reach scale, pool thermal regimes surveys showed that significant differences exist not only in daily variations but also induce a strong thermal gradient in the downstream direction through the meadow reach. Forested pools presented a pronounced thermal structure compared to all the other pools surveyed.
Our results showed the importance of riparian vegetation and in channel hydrogeomorphic features in controlling pool thermal regimes and longitudinal thermal gradients. Our results suggest that effective conservation and restoration efforts should focus on protecting, improving and connecting riparian forest buffers by looking at thermal regimes and thermal habitat structure at different scales.
- Riparian
- Temperature
- Connectivity
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Presenters/Authors
Valerie Ouellet
(), University of Birmingham, v.ouellet@bham.ac.uk;
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Melinda Daniels
(), Stroud Water Research Center, mdaniels@stroudcenter.org;
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