2022 Early Hearing Detection & Intervention Virtual Conference
March 13 - 15, 2022
5/21/2019 | 3:00 PM - 3:15 PM | DETERMINING THE KEY DRIVERS OF STREAM FISH PRODUCTIVITY | 253 AB
DETERMINING THE KEY DRIVERS OF STREAM FISH PRODUCTIVITY
Understanding how communities are influenced by environmental conditions is one of the main goals of ecology. Fish production represents a valuable metric to assess fish communities as it combines many different aspects of the constituent species into one quantitative measure. This metric can then be used to assess fish assemblages in stream systems and determine the impacts that adjacent aquatic and terrestrial conditions may have. Although earlier studies have assessed the effects of land use on stream fish assemblages, none have investigated how land use influences fish productivity. The goal of our research was to investigate how land use influence the productivity of stream fishes at a regional level. We approached this goal by compiling data from electrofishing samples of fish assemblages from streams across southern Ontario. We used data on land use, climate, and key stream characteristics to identify main drivers of stream fish productivity across southern Ontario. The significance of this research is that it will provide important insight into how these environmental factors explain variation in stream fish productivity and identify key measures associated with productivity.
- Fish
- Landuse
- Assessment
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Presenters/Authors
Ian Richter
(), University of Toronto, ian.richter@utoronto.ca;
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Donald Jackson
(), University of Toronto, don.jackson@utoronto.ca;
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Nicholas Jones
(), Ontario ministry of Natural Resources - Trent University, nicholas.jones@ontario.ca;
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