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Abstract:

In this work, we propose a new tagging technique to evaluate NAPP in Scirpus giganteus (bulrush), a species commonly found in freshwater marshes of South America. Through this method, a total mean NAPP of 1514.12 ± 305.11 g m-2 year-1 (C.V.= 20%) was obtained by a combination of tagging and harvesting entire mats. A maximum living biomass of 1063.60 ± 362.06 g m-2 (C.V.= 34%) was registered in February (late summer), which would be the estimation of the total annual NAPP using the traditional peak standing crop method and gives an underestimation of NAPP because it neither considers mortality before the peak biomass is attained, nor does it include any production after peak. As there are no statistically significant changes in the mean living biomass on different sampling dates (df=9, F=2.22, p>0.10), which is an expected situation in a species that grows through the whole year, methods based on changes in living and dead biomass are difficult to apply. The proposed tagging method gives an estimate of NAPP for a species on which more widely used procedures cannot be applied. Moreover, the tagging technique may be applicable for a great number of emergent wetland plants showing similar growth forms. © 2005, The Society of Wetland Scientists.

Registro:

Documento: Artículo
Título:A new method for evaluating Net Aboveground Primary Production (NAPP) of Scirpus giganteus (Kunth)
Autor:Pratolongo, P.; Vicari, R.; Kandus, P.; Malvárez, I.
Filiación:Departamento de Ecología Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
Palabras clave:Bulrush; Freshwater marsh; Primary production; Scirpus giganteus; Tagging technique; aboveground biomass; marsh; methodology; net primary production; South America; Western Hemisphere; World; Scirpus
Año:2005
Volumen:25
Número:1
Página de inicio:228
Página de fin:232
DOI: http://dx.doi.org/10.1672/0277-5212(2005)025[0228:ANMFEN]2.0.CO;2
Título revista:Wetlands
Título revista abreviado:Wetlands
ISSN:02775212
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02775212_v25_n1_p228_Pratolongo

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Citas:

---------- APA ----------
Pratolongo, P., Vicari, R., Kandus, P. & Malvárez, I. (2005) . A new method for evaluating Net Aboveground Primary Production (NAPP) of Scirpus giganteus (Kunth). Wetlands, 25(1), 228-232.
http://dx.doi.org/10.1672/0277-5212(2005)025[0228:ANMFEN]2.0.CO;2
---------- CHICAGO ----------
Pratolongo, P., Vicari, R., Kandus, P., Malvárez, I. "A new method for evaluating Net Aboveground Primary Production (NAPP) of Scirpus giganteus (Kunth)" . Wetlands 25, no. 1 (2005) : 228-232.
http://dx.doi.org/10.1672/0277-5212(2005)025[0228:ANMFEN]2.0.CO;2
---------- MLA ----------
Pratolongo, P., Vicari, R., Kandus, P., Malvárez, I. "A new method for evaluating Net Aboveground Primary Production (NAPP) of Scirpus giganteus (Kunth)" . Wetlands, vol. 25, no. 1, 2005, pp. 228-232.
http://dx.doi.org/10.1672/0277-5212(2005)025[0228:ANMFEN]2.0.CO;2
---------- VANCOUVER ----------
Pratolongo, P., Vicari, R., Kandus, P., Malvárez, I. A new method for evaluating Net Aboveground Primary Production (NAPP) of Scirpus giganteus (Kunth). Wetlands. 2005;25(1):228-232.
http://dx.doi.org/10.1672/0277-5212(2005)025[0228:ANMFEN]2.0.CO;2