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Structuring functional groups of aquatic insects along the resistance/resilience axis when facing water flow changes

Understanding how differences in intensity and frequency of hydrological disturbances affect the resistance and resilience of aquatic organisms is key to manage aquatic systems in a fast‐changing world. Some aquatic insects have strategies that improve the permanence (resistance), while others use s...

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Autores principales: Godoy, Bruno S., Valente‐Neto, Francisco, Queiroz, Luciano L., Holanda, Luis F. R., Roque, Fabio O., Lodi, Sara, Oliveira, Leandro G.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8956860/
https://www.ncbi.nlm.nih.gov/pubmed/35356588
http://dx.doi.org/10.1002/ece3.8749
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author Godoy, Bruno S.
Valente‐Neto, Francisco
Queiroz, Luciano L.
Holanda, Luis F. R.
Roque, Fabio O.
Lodi, Sara
Oliveira, Leandro G.
author_facet Godoy, Bruno S.
Valente‐Neto, Francisco
Queiroz, Luciano L.
Holanda, Luis F. R.
Roque, Fabio O.
Lodi, Sara
Oliveira, Leandro G.
author_sort Godoy, Bruno S.
collection PubMed
description Understanding how differences in intensity and frequency of hydrological disturbances affect the resistance and resilience of aquatic organisms is key to manage aquatic systems in a fast‐changing world. Some aquatic insects have strategies that improve the permanence (resistance), while others use strategies that favor recolonization (resilience). Therefore, we carried out a manipulative experiment to understand the influence of functional characteristics of aquatic insects in their permanence and recolonization against hydrological disturbances in streams in the biodiversity hotspot of the Cerrado of Brazil. We placed 200 artificial substrates in five streams and submitted them to changing water flow regimes that differed both in frequency and intensity, and we observed the response of the aquatic community for 39 days. We used a hierarchical Bayesian approach to estimate the probabilities of permanence and recolonization of each life strategy group (nine groups). We observed that the most intense changes in the water flow tended to affect the permanence of almost all groups, but the intensity of this effect reduced over time. On the other hand, less frequent disturbances, regardless of intensity, tended to reduce the permanence of most groups of aquatic insects over time. The different effects of disturbance intensity may have been related to a greater recolonization capacity of some groups. The results we present are worrisome in a scenario of reduced riparian vegetation around streams and with the expectation of precipitation becoming more concentrated in shorter periods of time due to climate change in the Cerrado hotspot, reducing the occurrence of many groups of aquatic insects in their habitat, particularly those with traits associated with resistance against hydrological disturbance.
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spelling pubmed-89568602022-03-29 Structuring functional groups of aquatic insects along the resistance/resilience axis when facing water flow changes Godoy, Bruno S. Valente‐Neto, Francisco Queiroz, Luciano L. Holanda, Luis F. R. Roque, Fabio O. Lodi, Sara Oliveira, Leandro G. Ecol Evol Research Articles Understanding how differences in intensity and frequency of hydrological disturbances affect the resistance and resilience of aquatic organisms is key to manage aquatic systems in a fast‐changing world. Some aquatic insects have strategies that improve the permanence (resistance), while others use strategies that favor recolonization (resilience). Therefore, we carried out a manipulative experiment to understand the influence of functional characteristics of aquatic insects in their permanence and recolonization against hydrological disturbances in streams in the biodiversity hotspot of the Cerrado of Brazil. We placed 200 artificial substrates in five streams and submitted them to changing water flow regimes that differed both in frequency and intensity, and we observed the response of the aquatic community for 39 days. We used a hierarchical Bayesian approach to estimate the probabilities of permanence and recolonization of each life strategy group (nine groups). We observed that the most intense changes in the water flow tended to affect the permanence of almost all groups, but the intensity of this effect reduced over time. On the other hand, less frequent disturbances, regardless of intensity, tended to reduce the permanence of most groups of aquatic insects over time. The different effects of disturbance intensity may have been related to a greater recolonization capacity of some groups. The results we present are worrisome in a scenario of reduced riparian vegetation around streams and with the expectation of precipitation becoming more concentrated in shorter periods of time due to climate change in the Cerrado hotspot, reducing the occurrence of many groups of aquatic insects in their habitat, particularly those with traits associated with resistance against hydrological disturbance. John Wiley and Sons Inc. 2022-03-26 /pmc/articles/PMC8956860/ /pubmed/35356588 http://dx.doi.org/10.1002/ece3.8749 Text en © 2022 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd. https://creativecommons.org/licenses/by/4.0/This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research Articles
Godoy, Bruno S.
Valente‐Neto, Francisco
Queiroz, Luciano L.
Holanda, Luis F. R.
Roque, Fabio O.
Lodi, Sara
Oliveira, Leandro G.
Structuring functional groups of aquatic insects along the resistance/resilience axis when facing water flow changes
title Structuring functional groups of aquatic insects along the resistance/resilience axis when facing water flow changes
title_full Structuring functional groups of aquatic insects along the resistance/resilience axis when facing water flow changes
title_fullStr Structuring functional groups of aquatic insects along the resistance/resilience axis when facing water flow changes
title_full_unstemmed Structuring functional groups of aquatic insects along the resistance/resilience axis when facing water flow changes
title_short Structuring functional groups of aquatic insects along the resistance/resilience axis when facing water flow changes
title_sort structuring functional groups of aquatic insects along the resistance/resilience axis when facing water flow changes
topic Research Articles
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8956860/
https://www.ncbi.nlm.nih.gov/pubmed/35356588
http://dx.doi.org/10.1002/ece3.8749
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