2022 Early Hearing Detection & Intervention Virtual Conference
March 13 - 15, 2022
5/21/2018 | 11:00 AM - 11:15 AM | OPTIMAL METHODS FOR BIOMONITORING AND CONSERVATION EFFORTS: A CASE STUDY FROM THE OGEECHEE RIVER | 410 A
OPTIMAL METHODS FOR BIOMONITORING AND CONSERVATION EFFORTS: A CASE STUDY FROM THE OGEECHEE RIVER
Macroinvertebrates are commonly sampled to monitor impairment in rivers. With their range in tolerance to environmental stressors, these organisms convey nuanced information about their habitat. However, questions remain about methodology, such as to which taxonomic level the specimens should be identified and whether taxonomic or functional trait classifications of macroinvertebrates are more informative. On the Ogeechee River (Georgia, USA), we have replicated a two-year procedure of sampling aquatic macroinvertebrates on submerged woody debris that occurred in the 1980s. We have two datasets of the community separated by three decades, over which time the river has been subjected to various anthropogenic impacts. By using different commonly implemented methods to compare the invertebrate communities from each period (e.g. comparing assessment scores using order-, family-, or genus-level identifications and comparing taxonomic versus trait diversity), we can determine whether these approaches yield varying results regarding potential change in the community of invertebrates. Initial analyses have indicated significant seasonal differences in community structure within a two-year period, so further comparisons may also suggest optimal timing and frequency of biomonitoring in order for conservation groups to obtain the most complete picture of the river community.
- Invertebrate
- Conservation
- Trait
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Presenters/Authors
Kelly Murray
(), Department of Entomology, University of Georgia, kmmurray14@gmail.com;
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Joseph McHugh
(), Department of Entomology, University of Georgia, mchugh@uga.edu;
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Darold Batzer
(), Department of Entomology, University of Georgia, dbatzer@uga.edu;
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