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Abstract:

We studied different functional attributes on two Schoenoplectus californicus (C. A. Mey) Sójak marshes that appear as very similar communities in terms of structure and dominant species, although they are settled on opposite ends along a fluvial-tidal gradient in the Lower Delta of the Paraná River. Obtained results showed a significantly higher net aboveground primary production (NAPP) in the marsh directly affected by tides (1999.41 ± 211.97 g m-2 year-1). In the upstream site, less prone to tidal flooding, S. californicus had a lower NAPP (1299.17 ± 179.48 g m-2 year-1) and the system showed a higher ability to keep the produced biomass within the marsh, with significantly higher amounts of standing dead biomass (1316.00 ± 336.01 vs. 112.40 ± 55.05 g m-2), as well as higher organic contents in soils (16.20 ± 0.12 % vs. 0.70 ± 0.08 %). Results of the present study suggest that high energy overland flows may change the marsh functioning from a stable system accumulating organic matter to an aggressively growing marsh with higher rates of mineral accumulation.

Registro:

Documento: Artículo
Título:Net aboveground primary production and biomass dynamics of Schoenoplectus californicus (Cyperaceae) marshes growing under different hydrological conditions
Autor:Pratolongo, P.; Kandus, P.; Brinson, M.M.
Filiación:Instituto Argentino de Oceanografia (CONICET), Florida 8000, 8000 Bahía Blanca, Argentina
Departamento de Biología, Farmacia y Bioquímica, Universidad Nacional del Sur, Colón 80, 8000 Bahía Blanca, Argentina
Departamento de Ecología Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428 Ciudad Autónoma de Buenos Aires, Argentina
Biology Department, N-108 East Carolina University, Greenville, NC 27858-4353, United States
Palabras clave:Net primary production; Paraná river delta; Schoenoplectus; Tidal freshwater wetlands; aboveground production; biomass; freshwater; marsh; net primary production; sedge; wetland; Argentina; Parana Delta; South America; Cyperaceae; Schoenoplectus; Schoenoplectus californicus
Año:2008
Volumen:46
Número:2
Página de inicio:258
Página de fin:269
Título revista:Darwiniana
Título revista abreviado:Darwiniana
ISSN:00116793
CODEN:DARWA
PDF:https://bibliotecadigital.exactas.uba.ar/download/paper/paper_00116793_v46_n2_p258_Pratolongo.pdf
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00116793_v46_n2_p258_Pratolongo

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Citas:

---------- APA ----------
Pratolongo, P., Kandus, P. & Brinson, M.M. (2008) . Net aboveground primary production and biomass dynamics of Schoenoplectus californicus (Cyperaceae) marshes growing under different hydrological conditions. Darwiniana, 46(2), 258-269.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00116793_v46_n2_p258_Pratolongo [ ]
---------- CHICAGO ----------
Pratolongo, P., Kandus, P., Brinson, M.M. "Net aboveground primary production and biomass dynamics of Schoenoplectus californicus (Cyperaceae) marshes growing under different hydrological conditions" . Darwiniana 46, no. 2 (2008) : 258-269.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00116793_v46_n2_p258_Pratolongo [ ]
---------- MLA ----------
Pratolongo, P., Kandus, P., Brinson, M.M. "Net aboveground primary production and biomass dynamics of Schoenoplectus californicus (Cyperaceae) marshes growing under different hydrological conditions" . Darwiniana, vol. 46, no. 2, 2008, pp. 258-269.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00116793_v46_n2_p258_Pratolongo [ ]
---------- VANCOUVER ----------
Pratolongo, P., Kandus, P., Brinson, M.M. Net aboveground primary production and biomass dynamics of Schoenoplectus californicus (Cyperaceae) marshes growing under different hydrological conditions. Darwiniana. 2008;46(2):258-269.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00116793_v46_n2_p258_Pratolongo [ ]