Macrophytes of the Elqui river basin, semiarid zone of Chile

Background and aims: The Elqui river basin is located north of the Coquimbo Region, in the semiarid zone of Chile. This body of water is particularly important due to the economic activities it supports and its high environmental vulnerability. The objective of this study was to determine the divers...

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Autores principales: Urrutia Estrada, Jonathan R., Romero-Mieres, Mario
Formato: Artículo revista
Lenguaje:Español
Publicado: Sociedad Argentina de Botánica 2022
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Acceso en línea:https://revistas.unc.edu.ar/index.php/BSAB/article/view/32741
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institution Universidad Nacional de Córdoba
institution_str I-10
repository_str R-10
container_title_str Revistas de la UNC
language Español
format Artículo revista
topic altitude
aquatic plants
floristic diversity
river systems
altitud
diversidad florística
plantas acuáticas
sistemas fluviales.
spellingShingle altitude
aquatic plants
floristic diversity
river systems
altitud
diversidad florística
plantas acuáticas
sistemas fluviales.
Urrutia Estrada, Jonathan R.
Romero-Mieres, Mario
Macrophytes of the Elqui river basin, semiarid zone of Chile
topic_facet altitude
aquatic plants
floristic diversity
river systems
altitud
diversidad florística
plantas acuáticas
sistemas fluviales.
author Urrutia Estrada, Jonathan R.
Romero-Mieres, Mario
author_facet Urrutia Estrada, Jonathan R.
Romero-Mieres, Mario
author_sort Urrutia Estrada, Jonathan R.
title Macrophytes of the Elqui river basin, semiarid zone of Chile
title_short Macrophytes of the Elqui river basin, semiarid zone of Chile
title_full Macrophytes of the Elqui river basin, semiarid zone of Chile
title_fullStr Macrophytes of the Elqui river basin, semiarid zone of Chile
title_full_unstemmed Macrophytes of the Elqui river basin, semiarid zone of Chile
title_sort macrophytes of the elqui river basin, semiarid zone of chile
description Background and aims: The Elqui river basin is located north of the Coquimbo Region, in the semiarid zone of Chile. This body of water is particularly important due to the economic activities it supports and its high environmental vulnerability. The objective of this study was to determine the diversity and composition of the macrophyte flora of the Elqui river basin.M&M: Twenty sampling stations with plots of 1 m2were distributed in the three sub-basins that make up the study area. Inside each plot, all plant species were recorded along with their respective abundances. In addition, in each station some environmental variables were measured, which were analyzed together with the biological data.Results: A total of 51 macrophyte species and one alga were identified, with dominance of native elements with emergent habit. Statistical analyses indicate moderate differences regarding the floristic composition of the three sub-basins compared, these are mainly concentrated in the Turbio river. The analysis of the environmental data indicates that the variables that most influence the composition of species in the study area are: altitude, total suspended solids, redox potential and water depth.Discussion: Studies on macrophytes at the hydrographic basin level are practically null in Chile. This type of information increases knowledge on biodiversity andallows a more efficient management of continental aquatic systems.
publisher Sociedad Argentina de Botánica
publishDate 2022
url https://revistas.unc.edu.ar/index.php/BSAB/article/view/32741
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