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Conference object . 2011 . Peer-reviewed
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Comparación interanual de la composición química de especies pascícolas pirenaicas

Authors: García-González, Ricardo; Marinas Murillo, Ana; García Criado, Balbino; García Ciudad, Antonia; Alvera, Bernardo;

Comparación interanual de la composición química de especies pascícolas pirenaicas

Abstract

[ES]: Se estudia la variación interanual de la composición química de 10 especies (cinco gramíneas y cinco dicotiledóneas) abundantes en los pastos de puerto pirenaicos. Las concentraciones de los diferentes componentes químicos de las mismas especies en los dos años estudiados (1985 y 2000), resultaron significativamente correlacionadas. En general, la calidad nutritiva de las especies fue mayor en 1985 (mayor contenido en N y elementos minerales, menor contenido en fibra). El orden de importancia de las especies se mantuvo los dos años para todos los componentes químicos, excepto para la lignina y el nitrógeno. Las diferencias entre años podrían explicarse por un aumento de la temperatura media y de la precipitación durante el verano de 2000. Los resultados apoyarían la consistencia interanual de los índices de valor pastoral basados en la calidad específica.

[EN]: We study between year variation of the nutritive value of 10 abundant species (five grasses and five forbs) in the Pyrenean pastures comparing data from 1985 and 2000. A significant correlation for the contents of the different chemical components between years has been found for the whole of studied species. The species maintain the order of importance in the two years for all the chemical components, except for lignin and N. In general, the quality of the species was better in 1985 (higher N and mineral content, lower fibre content). Differences among years could be explained by an increase of temperature and precipitation during the summer of 2000. Results support the consistency between years of the pastoral indexes based on the species quality.

8 páginas, 1 figura, 3 tablas.-- Comunicación presentada a la 44ª Reunión Científica de la S.E.E.P. celebrada en Salamanca (España) en 2004.

Peer reviewed

Country
Spain
Related Organizations
Keywords

Pastos de puerto, Summer pastures, Pirineos, Pyrenees, Pastoral value, Valor pastoral

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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