2022 Early Hearing Detection & Intervention Virtual Conference

March 13 - 15, 2022

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5/21/2018 | 3:00 PM - 3:15 PM | EXPLORING THE SPATIAL AND TEMPORAL DRIVERS OF MACROINVERTEBRATE ASSEMBLAGES IN THE PEACE-ATHABASCA DELTA, ALBERTA, CANADA | 410 B

EXPLORING THE SPATIAL AND TEMPORAL DRIVERS OF MACROINVERTEBRATE ASSEMBLAGES IN THE PEACE-ATHABASCA DELTA, ALBERTA, CANADA

High-throughput DNA sequencing extracted from bulk environmental samples offer an information-rich opportunity to refine metrics linked to assessment and monitoring of ecosystems threatened by anthropogenic stressors. Here we quantify the importance of spatial and temporal drivers of benthic macroinvertebrate assemblages sampled as part of a large-scale biomonitoring program over a five-year period from eight core wetland sites in the Peace-Athabasca Delta, Alberta, Canada. Structural (e.g. taxa richness) and functional-based (e.g. trait modalities) data were linked to quantified measures of ecohydrological variability (e.g. connectivity with the main channel and water level variation). The results demonstrate the importance of incorporating both structural and functional components in monitoring highly dynamic wetland systems.

Hydrology
Metagenomics
Diagnostic Indices

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Presenters/Authors

Wendy Monk (), Environment and Climate Change Canada @ Canadian Rivers Institute, Faculty of Forestry and Environmental Management, University of New Brunswick, Fredericton, NB, Canada, wmonk@unb.ca;