A new biomonitoring method using taxonomic families as substitutes for the suborders of the Odonata (Insecta) in Amazonian streams

The insects of the order Odonata have been widely used as bioindicators of environmental quality in different types of ecological research. In general, the taxonomic level used is the species, but higher taxa, such as the family, have received less attention. Assuming that higher taxa can reproduce...

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Autores principales:	Cristian C. Mendoza-Penagos, Lenize Batista Calvão, Leandro Juen
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Anisoptera Zygoptera Biological-assessments Aquatic systems Habitat integrity Taxonomic surrogacy Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/8db16828fe3c45d894c868e39e2e17f7
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spelling	oai:doaj.org-article:8db16828fe3c45d894c868e39e2e17f72021-12-01T04:45:11ZA new biomonitoring method using taxonomic families as substitutes for the suborders of the Odonata (Insecta) in Amazonian streams1470-160X10.1016/j.ecolind.2021.107388https://doaj.org/article/8db16828fe3c45d894c868e39e2e17f72021-05-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X21000534https://doaj.org/toc/1470-160XThe insects of the order Odonata have been widely used as bioindicators of environmental quality in different types of ecological research. In general, the taxonomic level used is the species, but higher taxa, such as the family, have received less attention. Assuming that higher taxa can reproduce the impacts that occur at the species level, we use facets of diversity at the community to assess if Odonata families could be an efficient tool for the assessment of environmental impact in Amazon streams. We first assessed to what extent each family retains ecological information from the ecological diversity of the species of the suborder (Anisoptera or Zygoptera). We then quantified the degree of congruence between different taxonomic levels in the Odonata. Next, we evaluated the effects of environmental integrity on the facets of diversity of the families. Finally, we evaluated whether ecological thresholds can be detected using a family-level approach. We sampled adult odonates in 98 streams in the eastern Amazon, in the municipalities of Paragominas, Santarém, and Belterra, in the Brazilian state of Pará. The habitat integrity index (HII) was used to assess the environmental integrity of each stream. The congruence between the different taxonomic levels was evaluated using a Procrustes analysis. The degree of correlation of diversity facets was evaluated between families and each suborder. Linear mixed models and matrix regressions were used to measure the influence of environmental integrity on the diversity facets of the families. Higher-level ecological thresholds were detected using the TITAN analysis. The results of the analyses indicated a high degree of congruence between species-level and higher levels (family and suborder). The ability of the families to represent the diversity facets of the suborder is influenced by the abundance of individuals and the number of species in the family. The environmental integrity of the streams affects the facets of diversity of the families systematically, although cumulative measurements, such as abundance, appeared to be more advantageous as biomonitoring tools. The similarity of the responses observed at species and family levels supports the use of odonate families for the detection of ecological thresholds in stream environments. The sum of the evidence indicates that a family-level approach is effective for the identification of alterations in the environmental integrity of streams, providing valuable insights into the facets of diversity of the odonate community. The adoption of a family-level approach in environmental monitoring programs could optimize the investment of resources, in particular through the identification of specimens by non-specialists, permitting a significant increase in sampling effort and replication.Cristian C. Mendoza-PenagosLenize Batista CalvãoLeandro JuenElsevierarticleAnisopteraZygopteraBiological-assessmentsAquatic systemsHabitat integrityTaxonomic surrogacyEcologyQH540-549.5ENEcological Indicators, Vol 124, Iss , Pp 107388- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Anisoptera Zygoptera Biological-assessments Aquatic systems Habitat integrity Taxonomic surrogacy Ecology QH540-549.5
spellingShingle	Anisoptera Zygoptera Biological-assessments Aquatic systems Habitat integrity Taxonomic surrogacy Ecology QH540-549.5 Cristian C. Mendoza-Penagos Lenize Batista Calvão Leandro Juen A new biomonitoring method using taxonomic families as substitutes for the suborders of the Odonata (Insecta) in Amazonian streams
description	The insects of the order Odonata have been widely used as bioindicators of environmental quality in different types of ecological research. In general, the taxonomic level used is the species, but higher taxa, such as the family, have received less attention. Assuming that higher taxa can reproduce the impacts that occur at the species level, we use facets of diversity at the community to assess if Odonata families could be an efficient tool for the assessment of environmental impact in Amazon streams. We first assessed to what extent each family retains ecological information from the ecological diversity of the species of the suborder (Anisoptera or Zygoptera). We then quantified the degree of congruence between different taxonomic levels in the Odonata. Next, we evaluated the effects of environmental integrity on the facets of diversity of the families. Finally, we evaluated whether ecological thresholds can be detected using a family-level approach. We sampled adult odonates in 98 streams in the eastern Amazon, in the municipalities of Paragominas, Santarém, and Belterra, in the Brazilian state of Pará. The habitat integrity index (HII) was used to assess the environmental integrity of each stream. The congruence between the different taxonomic levels was evaluated using a Procrustes analysis. The degree of correlation of diversity facets was evaluated between families and each suborder. Linear mixed models and matrix regressions were used to measure the influence of environmental integrity on the diversity facets of the families. Higher-level ecological thresholds were detected using the TITAN analysis. The results of the analyses indicated a high degree of congruence between species-level and higher levels (family and suborder). The ability of the families to represent the diversity facets of the suborder is influenced by the abundance of individuals and the number of species in the family. The environmental integrity of the streams affects the facets of diversity of the families systematically, although cumulative measurements, such as abundance, appeared to be more advantageous as biomonitoring tools. The similarity of the responses observed at species and family levels supports the use of odonate families for the detection of ecological thresholds in stream environments. The sum of the evidence indicates that a family-level approach is effective for the identification of alterations in the environmental integrity of streams, providing valuable insights into the facets of diversity of the odonate community. The adoption of a family-level approach in environmental monitoring programs could optimize the investment of resources, in particular through the identification of specimens by non-specialists, permitting a significant increase in sampling effort and replication.
format	article
author	Cristian C. Mendoza-Penagos Lenize Batista Calvão Leandro Juen
author_facet	Cristian C. Mendoza-Penagos Lenize Batista Calvão Leandro Juen
author_sort	Cristian C. Mendoza-Penagos
title	A new biomonitoring method using taxonomic families as substitutes for the suborders of the Odonata (Insecta) in Amazonian streams
title_short	A new biomonitoring method using taxonomic families as substitutes for the suborders of the Odonata (Insecta) in Amazonian streams
title_full	A new biomonitoring method using taxonomic families as substitutes for the suborders of the Odonata (Insecta) in Amazonian streams
title_fullStr	A new biomonitoring method using taxonomic families as substitutes for the suborders of the Odonata (Insecta) in Amazonian streams
title_full_unstemmed	A new biomonitoring method using taxonomic families as substitutes for the suborders of the Odonata (Insecta) in Amazonian streams
title_sort	new biomonitoring method using taxonomic families as substitutes for the suborders of the odonata (insecta) in amazonian streams
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/8db16828fe3c45d894c868e39e2e17f7
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A new biomonitoring method using taxonomic families as substitutes for the suborders of the Odonata (Insecta) in Amazonian streams

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