Contribución al conocimiento del fitoplancton del Paraná Medio.

Structure, population density and distribution of the Middle Paraná River phytoplankton -from Corrientes to Esquina- during a period of 13 months (March 1981 to March 1982) were considered in this paper. Transversal and longitudinal variations experimented by the phytoplankton and its relation with...

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Autores principales: Bonetto, Argentino A., Zalocar de Domitrovic, Yolanda, Vallejos, Eugenio R.
Formato: Artículo revista
Lenguaje:Español
Publicado: Centro de Ecología Aplicada del Litoral (Consejo Nacional de Investigaciones Científicas y Técnicas - Universidad Nacional de Nordeste) 2023
Acceso en línea:https://revistas.unne.edu.ar/index.php/eco/article/view/7442
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Revistas UNNE - Universidad Nacional del Noroeste (UNNE) de Universidad Nacional del Nordeste
id I48-R154-article-7442
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spelling I48-R154-article-74422025-07-04T12:47:53Z Contribución al conocimiento del fitoplancton del Paraná Medio. Bonetto, Argentino A. Zalocar de Domitrovic, Yolanda Vallejos, Eugenio R. Structure, population density and distribution of the Middle Paraná River phytoplankton -from Corrientes to Esquina- during a period of 13 months (March 1981 to March 1982) were considered in this paper. Transversal and longitudinal variations experimented by the phytoplankton and its relation with environmental fáctors, are also discussed. Qualitative and quantitative sub-superfidal samples were monthly obtained in three points of the river (centre, right and left margin) in 4 sampling stations (Corrientes, Bella Vista, Goya and Esquina). Counts were done by the Utermohl method with an inverted microscope. The phytoplankton community was dominated by Diatomophyceae (mainly Melosira granulata and M. pseudogranulata) and Chlorophyceae (mainly Monoraphidium spp. and Scenedesmus spp.). Among Cyanophyceae, Raphidiopsis mediterranea, Lyngbya limnetica and Anabaena spiroides were the dominant. Euglenophyceae, Ciyptophyceae, Dinophyceae and Chrysophyceae were scarcely represented. Variations in the phytoplankton community were related with different contributions of the High Paraná and Paraguay Rivers and the Progressive influence in downstream direction of the Middle Paraná floodplain. Centro de Ecología Aplicada del Litoral (Consejo Nacional de Investigaciones Científicas y Técnicas - Universidad Nacional de Nordeste) 2023-11-14 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Artículo revisado por pares application/pdf https://revistas.unne.edu.ar/index.php/eco/article/view/7442 Ecosur; 1982: vol. 9, no. 18; 189-212 0325-108X spa https://revistas.unne.edu.ar/index.php/eco/article/view/7442/6879
institution Universidad Nacional del Nordeste
institution_str I-48
repository_str R-154
container_title_str Revistas UNNE - Universidad Nacional del Noroeste (UNNE)
language Español
format Artículo revista
author Bonetto, Argentino A.
Zalocar de Domitrovic, Yolanda
Vallejos, Eugenio R.
spellingShingle Bonetto, Argentino A.
Zalocar de Domitrovic, Yolanda
Vallejos, Eugenio R.
Contribución al conocimiento del fitoplancton del Paraná Medio.
author_facet Bonetto, Argentino A.
Zalocar de Domitrovic, Yolanda
Vallejos, Eugenio R.
author_sort Bonetto, Argentino A.
title Contribución al conocimiento del fitoplancton del Paraná Medio.
title_short Contribución al conocimiento del fitoplancton del Paraná Medio.
title_full Contribución al conocimiento del fitoplancton del Paraná Medio.
title_fullStr Contribución al conocimiento del fitoplancton del Paraná Medio.
title_full_unstemmed Contribución al conocimiento del fitoplancton del Paraná Medio.
title_sort contribución al conocimiento del fitoplancton del paraná medio.
description Structure, population density and distribution of the Middle Paraná River phytoplankton -from Corrientes to Esquina- during a period of 13 months (March 1981 to March 1982) were considered in this paper. Transversal and longitudinal variations experimented by the phytoplankton and its relation with environmental fáctors, are also discussed. Qualitative and quantitative sub-superfidal samples were monthly obtained in three points of the river (centre, right and left margin) in 4 sampling stations (Corrientes, Bella Vista, Goya and Esquina). Counts were done by the Utermohl method with an inverted microscope. The phytoplankton community was dominated by Diatomophyceae (mainly Melosira granulata and M. pseudogranulata) and Chlorophyceae (mainly Monoraphidium spp. and Scenedesmus spp.). Among Cyanophyceae, Raphidiopsis mediterranea, Lyngbya limnetica and Anabaena spiroides were the dominant. Euglenophyceae, Ciyptophyceae, Dinophyceae and Chrysophyceae were scarcely represented. Variations in the phytoplankton community were related with different contributions of the High Paraná and Paraguay Rivers and the Progressive influence in downstream direction of the Middle Paraná floodplain.
publisher Centro de Ecología Aplicada del Litoral (Consejo Nacional de Investigaciones Científicas y Técnicas - Universidad Nacional de Nordeste)
publishDate 2023
url https://revistas.unne.edu.ar/index.php/eco/article/view/7442
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AT vallejoseugenior contribucionalconocimientodelfitoplanctondelparanamedio
first_indexed 2024-08-21T22:39:08Z
last_indexed 2025-08-17T05:02:16Z
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