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Título

Pyrenean meadows in Natura 2000 network: Grass production and plant biodiversity conservation

Autor Reiné, Ramón; Barrantes, Olivia ; Chocarro, Cristina; Juárez, Alejandro; Broca, A.; Maestro Martínez, Melchor ; Ferrer, Carlos
Palabras clave “other forbs”
relative feed value
pastoral value
Shannon index
botanical composition
phytosociological inventories
Ellenberg indices
Fecha de publicación 2014
EditorInstituto Nacional de Investigación y Tecnología Agraria y Alimentaria (España)
Citación Spanish Journal of Agricultural Research 12(1): 61- 77 (2014)
ResumenIn semi-natural mountain meadows, yield and forage quality must be reconciled with plant biodiversity conservation. This study was performed to analyze the relationships between these three parameters. To quantify plant biodiversity and pastoral value (PV), phytosociological inventories were performed in 104 semi-natural meadows in the Central Spanish Pyrenees included in the Natura 2000 network. Forage yields were calculated and forage samples were analyzed for relative feed value (RFV). We identified two main types of meadows: (i) those that had >more intensive management,> relatively close to farm buildings, with little or no slope, dominated by grasses, with low plant biodiversity, high PV and yield, but low forage quality and (ii) those that had >less intensive management,> distant from farm buildings, on slopes, richer in >other forbs>, with high plant biodiversity and forage quality, but low PV and yield. Conservation policies should emphasize less intensive management practices to maintain plant diversity in the semi-natural meadows in the Pyrenees. The widespread view that >other forbs> have low nutritional value should be revised in future research. These species often are undervalued by the PV method, because their nutritional quality, digestibility and intake are poorly understood.
Versión del editorhttp://dx.doi.org/10.5424/sjar/2014121-4617
URI http://hdl.handle.net/10261/96088
DOI10.5424/sjar/2014121-4617
Identificadoresdoi: 10.5424/sjar/2014121-4617
issn: 1695-971X
e-issn: 2171-9292
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