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Abstract:

The coast of Buenos Aires City and its surroundings have been modified by work of refilling, giving place to the creation of areas colonized by vegetation of continental origin, as well as by species transported by the rivers Paraná and Uruguay. Given that these areas result from the biotic response to human-induced conditions, they may be considered "novel ecosystems". Even though information is available with regards to their structure, no studies have been performed on their dynamics. In the present work, changes of foliar phenology and chlorophyll content were studied during a whole year in twelve representative species of different biotypes at a Tipuana tipu wood, growing on landfills. Data were analyzed with multivariate statistical methods. The analysis of leaf phenophases revealed two main strategies of developmental complementarity: in evergreen species, groups were characterized by differences in the relative abundance of the different phenofases across the year; while in deciduous species groups differed on either the period where certain phenofases peacked , and/or on their relative duration. The analysis chlorophyll content revealed five groups of species according to the time period when their foliage was photosynthetically active, and allowed us to characterize the months of maximum productivity in the system.

Registro:

Documento: Artículo
Título:Aspects of the vegetation dynamics of a coastal environment of the Rio de la Plata: Phenological patterns and evolution of chlorophyll content
Autor:González Muracciole, A.; Causin, H.F.; Madanes, N.
Filiación:Departamento de Ecología Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Universidad de Buenos Aires, Ciudad Universitaria, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Palabras clave:Anthropic environment; Biotypes; Chlorophyll; Novel ecosystem; Phenological complementarity
Año:2013
Volumen:15
Número:1
Página de inicio:29
Página de fin:38
DOI: http://dx.doi.org/10.22179/REVMACN.15.166
Título revista:Revista del Museo Argentino de Ciencias Naturales, Nueva Serie
Título revista abreviado:Rev. Museo Argentino Cienc. Nat. Nuev Serie
ISSN:15145158
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15145158_v15_n1_p29_GonzalezMuracciole

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Citas:

---------- APA ----------
González Muracciole, A., Causin, H.F. & Madanes, N. (2013) . Aspects of the vegetation dynamics of a coastal environment of the Rio de la Plata: Phenological patterns and evolution of chlorophyll content . Revista del Museo Argentino de Ciencias Naturales, Nueva Serie, 15(1), 29-38.
http://dx.doi.org/10.22179/REVMACN.15.166
---------- CHICAGO ----------
González Muracciole, A., Causin, H.F., Madanes, N. "Aspects of the vegetation dynamics of a coastal environment of the Rio de la Plata: Phenological patterns and evolution of chlorophyll content " . Revista del Museo Argentino de Ciencias Naturales, Nueva Serie 15, no. 1 (2013) : 29-38.
http://dx.doi.org/10.22179/REVMACN.15.166
---------- MLA ----------
González Muracciole, A., Causin, H.F., Madanes, N. "Aspects of the vegetation dynamics of a coastal environment of the Rio de la Plata: Phenological patterns and evolution of chlorophyll content " . Revista del Museo Argentino de Ciencias Naturales, Nueva Serie, vol. 15, no. 1, 2013, pp. 29-38.
http://dx.doi.org/10.22179/REVMACN.15.166
---------- VANCOUVER ----------
González Muracciole, A., Causin, H.F., Madanes, N. Aspects of the vegetation dynamics of a coastal environment of the Rio de la Plata: Phenological patterns and evolution of chlorophyll content . Rev. Museo Argentino Cienc. Nat. Nuev Serie. 2013;15(1):29-38.
http://dx.doi.org/10.22179/REVMACN.15.166