Fitoplancton de una laguna pampásica (San Miguel del Monte, Buenos Aires, Argentina): variación espacio-temporal de los grupos funcionales

Phytoplankton assemblages were analyzed taking into account the functional groups in a shallow lake connected to the lower basin of Salado River. Samples were obtained monthly (9/1997-8/1998), from the affluent (E1), San Miguel del Monte lake (E2) and the connection with Las Perdices lake (E3). Spec...

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Detalles Bibliográficos
Autores principales: Quaíni, Karina Paola, Solari, Lía Cristina, Ruiz, Gonzalo Carlos
Formato: Articulo
Lenguaje:Español
Publicado: 2008
Materias:
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/67856
Aporte de:
id I19-R120-10915-67856
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Español
topic Ciencias Naturales
grupos funcionales
Fitoplancton
biovolumen
Lagunas
spellingShingle Ciencias Naturales
grupos funcionales
Fitoplancton
biovolumen
Lagunas
Quaíni, Karina Paola
Solari, Lía Cristina
Ruiz, Gonzalo Carlos
Fitoplancton de una laguna pampásica (San Miguel del Monte, Buenos Aires, Argentina): variación espacio-temporal de los grupos funcionales
topic_facet Ciencias Naturales
grupos funcionales
Fitoplancton
biovolumen
Lagunas
description Phytoplankton assemblages were analyzed taking into account the functional groups in a shallow lake connected to the lower basin of Salado River. Samples were obtained monthly (9/1997-8/1998), from the affluent (E1), San Miguel del Monte lake (E2) and the connection with Las Perdices lake (E3). Species with biovolume higher than 0.5 mm 3 .l-1 and contributing to 5-73 % of total biovolume were selected. Moderate eutrophy favored the development of filamentous cyanobacteria (S1 and S2 functional groups), unicellular flagellates (Y and X2) and nitrogen fixed cyanobacteria (H and H1). Colonial cyanobacteria (X1 and K) coexisted with filamentous cyanobacteria in coincidence with high phosphorus values. Biovolume of unicellular flagellates increased in relation to the input of nutrients from Salado River. At E3, filamentous cyanobacteria (S1, S2, H1 and H) were dominant and species of Y and X1 groups were co-dominant. At E1, colonial cyanobacteria (M), typical from eutrophic lakes with high organic matter, were found in high densities. Phytoplankton functional classification introduced by Reynolds gives an invaluable information and represents a good complement to understand the ecological characteristics of the algae and the phytoplankton dynamics in San Miguel del Monte Lake».
format Articulo
Articulo
author Quaíni, Karina Paola
Solari, Lía Cristina
Ruiz, Gonzalo Carlos
author_facet Quaíni, Karina Paola
Solari, Lía Cristina
Ruiz, Gonzalo Carlos
author_sort Quaíni, Karina Paola
title Fitoplancton de una laguna pampásica (San Miguel del Monte, Buenos Aires, Argentina): variación espacio-temporal de los grupos funcionales
title_short Fitoplancton de una laguna pampásica (San Miguel del Monte, Buenos Aires, Argentina): variación espacio-temporal de los grupos funcionales
title_full Fitoplancton de una laguna pampásica (San Miguel del Monte, Buenos Aires, Argentina): variación espacio-temporal de los grupos funcionales
title_fullStr Fitoplancton de una laguna pampásica (San Miguel del Monte, Buenos Aires, Argentina): variación espacio-temporal de los grupos funcionales
title_full_unstemmed Fitoplancton de una laguna pampásica (San Miguel del Monte, Buenos Aires, Argentina): variación espacio-temporal de los grupos funcionales
title_sort fitoplancton de una laguna pampásica (san miguel del monte, buenos aires, argentina): variación espacio-temporal de los grupos funcionales
publishDate 2008
url http://sedici.unlp.edu.ar/handle/10915/67856
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