2023 Early Hearing Detection & Intervention Conference
March 5-7, 2023 • Cincinnati, OH
5/24/2021 | 8:30 AM - 10:30 AM | RESPONSE OF AQUATIC MACROINVERTEBRATES TO WATER SEASONALITY IN AN ANDEAN STREAM BY ASSESSING FUNCTIONAL TRAITS. | Virtual Platform
RESPONSE OF AQUATIC MACROINVERTEBRATES TO WATER SEASONALITY IN AN ANDEAN STREAM BY ASSESSING FUNCTIONAL TRAITS.
In Colombia, intermittent rivers are gaining importance because some of what we considered perennial rivers are becoming temporary. We do not know how the structure and function of macroinvertebrates communities are altered and, how they respond to these water intermittent events. Therefore, this study evaluated the expression of functional traits of resistance and resilience in response to intermittent events in the Salitre stream in Boyacá-Colombia. A total of 4550 taxa were recorded, with 50 taxas, highlighting the richness of the order Trichoptera (61%) and genus Grumichella. The substrate with the highest abundance of organisms was the rock (62%). The PCA was arranged depending on the hydroclimatic season, where temperature, alkalinity, and salinity increased during the dry season and the concentration of dissolved oxygen decreased. The resistance mechanism most frequent were presented collector-collector organisms, respiration by gills, the body size of 5 to 10 mm, cylindrical body which was associated with rainy season. The resilience they were similar during sampling as crawlers, life cycle duration ? 1 year. The functional traits did not present temporal differences, but there is a pattern in the expression of the traits for this system.
- Non-perennial rivers
- Climate variability
- Ecosystem functioning
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Presenters/Authors
Erika Tatiana Cifuentes Vargas
(), Universidad Pedagógica y Tecnológica de Colombia, erika.cifuentes01@uptc.edu.co;
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Nelson Javier Aranguren Riaño
(), Universidad Pedagógica y Tecnológica de Colombia, nelson.aranguren@uptc.edu.co;
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Luz Nidia Gil Padilla
(), Universidad Pedagógica y Tecnológica de Colombia, luznidia.gil@uptc.edu.co;
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