2022 Early Hearing Detection & Intervention Virtual Conference
March 13 - 15, 2022
6/08/2017 | 2:30 PM - 2:45 PM | CURRENT RAPID BIOASSESMENT PROTOCOLS DO NOT ADEQUATELY ASSESS BENTHIC INVERTEBRATE ASSEMBLAGES FROM A STREAM WITH RESTORED HYDROLOGY: A CASE STUDY FROM EASTERN KENTUCKY, USA | 302A
CURRENT RAPID BIOASSESMENT PROTOCOLS DO NOT ADEQUATELY ASSESS BENTHIC INVERTEBRATE ASSEMBLAGES FROM A STREAM WITH RESTORED HYDROLOGY: A CASE STUDY FROM EASTERN KENTUCKY, USA
The need for biological monitoring following stream restorations is well established, but there is no consensus regarding field methods and which biological endpoints to report. We monitored and assessed the invertebrate assemblages from a stream with restored hydrologic functions using two approaches: (1) seasonal, habitat-specific quantitative collections that began during the 2nd post-restoration year and continued through the 6th post-restoration year, and (2) a rapid bioassessment (following Kentucky Macroinvertebrate Bioassessment Index protocols) during the 4th post-restoration year. A nearby, un-restored control stream was used for comparison. Both streams drain forested watersheds (2 – 3 km2) within the Daniel Boone National Forest of eastern Kentucky. Results from quantitative monitoring revealed greater invertebrate density and biomass from the restored stream. Notably, EPT biomass from pools was 2 – 4X greater than amounts from the unrestored stream throughout the study. In contrast, the rapid bioassessment indicated no difference between streams (each stream received a ‘good’ narrative rating). These findings suggest that considering new sampling designs and metrics may improve our ability to capture the functional capacity of benthic assemblages from streams with restored hydrology.
- C16 Restoration Ecology
- C03 Invertebrates
- S26 Biological Success Criteria for Stream Restoration Project Monitoring: Are We Still Searching for Unicorns?
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Presenters/Authors
Amy Braccia
(), Eastern Kentucky University, amy.braccia@eku.edu;
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Mark Vogel
(), Eastern Kentucky University, mark.vogel@eku.edu;
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Rebecca Roberts
(), Eastern Kentucky University, Rebecca.Roberts@eku.edu;
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Jesse Robinson
(), University of Louisville, jesse.robinson@louisville.edu;
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Jeong Park
(), University of Louisville, jeong.park@louisville.edu;
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Michael Croasdaile
(), University of Louisville, m.croasdaile@louisville.edu;
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Art Parola
(), University of Louisville, arthur.parola@louisville.edu;
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