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CAB eBooks

Ebooks on agriculture and the applied life sciences from CAB International

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CABI Book Chapter Info
Cover for Effects of grazing on fuel biomass in mountain pastures of the south-eastern Pyrenees.

There has been a large decline in the managed pastures of Mediterranean European countries. This has led to decreased biodiversity in the herbaceous layer, shrub encroachment and accumulation of fuel biomass (woody plants). This, in turn, has increased the risk of large forest fires. Consequently...

Author(s)
Zennaro, C. dal; Arenas, J. M.; Argenti, G.; Pardini, A.; Sebastia, T. M.
ISBN
2005 CABI Publishing (H ISBN 9781845930011)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Impacts of cutting and fertilization on pasture systems in the Cantabrian mountain range in León province (NW Spain).

The aim of this study was to investigate the structural changes in a community of heathland when subjected to experimental cutting and nitrogen fertilization. Random patches with significant proportions of Calluna vulgaris and Erica tetralix were selected in three areas (mountain passes) in the...

Author(s)
Calvo, L.; Fernández, A.; Marcos, E.; Valbuena, L.; Tárrega, R.; Luis, E.
ISBN
2005 CABI Publishing (H ISBN 9781845930011)
Type
Conference paper; Book chapter
CABI Book Chapter Info
Cover for Floristic stability of pastures in the Sierra Mágina nature reserve, Andalusia, Spain.

In this research project, a new faster and more efficient method of assessing the biodiversity and the conservation value of pastures was derived. The methodology proposed is based on the phytosociological method. Taking the Shannon-Weaver index as a starting point, a new phytocoenotic stability...

Author(s)
Cano-Ortiz, A.; García-Fuentes, A.; Torres, J. A.; Montilla, R.; Ruiz, L.; Salazar, C.; Cano, E.
ISBN
2005 CABI Publishing (H ISBN 9781845930011)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Light availability for understorey pasture in holm-oak dehesas.

The percentage of radiation transmitted through the tree layer to the understorey pasture in dehesas of west-central Spain has been modelled. To achieve that, different allometric relationships between tree ages and stem diameter (DBH), and between stem diameter and canopy size (tree height, canopy ...

Author(s)
Montero, M. J.; Moreno, G.
ISBN
2005 CABI Publishing (H ISBN 9781845930011)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Pasture establishment for extensive systems.

It is important to determine the effect of tree cover (shade) on pasture establishment and productivity in silvopastoral systems. An experiment was carried out in Galicia to evaluate the effect of spring and autumn sowing and shading (0 and 50% reduction of incident radiation) on pasture production ...

Author(s)
Mosquera-Losada, M. R.; Rodríguez-Barreira, S.; Rigueiro-Rodríguez, A.
ISBN
2005 CABI Publishing (H ISBN 9781845930011)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Extensive livestock systems as tools for environmental management: impact of grazing on the vegetation of a protected mountain area.

The study was conducted in the 'Sierra de Guara' Natural Park (80 739 ha, Huesca, Spain), a protected area dominated by shrub and forest pastures. The effect of livestock grazing on herbaceous and shrub vegetation was determined in six locations representative of pasture types in the park....

Author(s)
Riedel, J. L.; Casasús, I.; Sanz, A.; Blanco, M.; Revilla, R.; Bernués, A.
ISBN
2005 CABI Publishing (H ISBN 9781845930011)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Changes in biodiversity after abandonment in dehesa systems in the province of León.

The aim of this work was to determine the changes of diversity of plant community in relation to silvopastoral use. For this purpose seven zones with a different livestock pressure were compared, the cover of all understorey species was estimated and the diversity per quadrat (alpha diversity), the ...

Author(s)
Tárrega, R.; Calvo, L.; Diez, C.; Luis, E.; Valbuena, L.; Marcos, E.
ISBN
2005 CABI Publishing (H ISBN 9781845930011)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Comparative analysis of the EAA/EAF and AAS agroforestry accounting systems: application to a dehesa estate.

This chapter applies the satellite system 'Manual on Economic Accounts for Agriculture and Forestry - EAA/EAF 97' of the 'European System of Accounts' (ESA) and the 'Agroforestry Accounts System' (AAS) to a dehesa estate. Both accounting approaches are applied in order to measure total social...

Author(s)
Rodríguez-Luengo, Y.; Campos-Palacín, P.; Ovando-Pol, P.
ISBN
2005 CABI Publishing (H ISBN 9781845930011)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for An evaluation of the effects of forest conservation on reservoir capacity: a case study in the "Cuerda del Pozo" reservoir (Soria).

The effective life of reservoirs is threatened by erosion and sedimentation in their catchments. When those catchments are covered by forests, erosion and sedimentation are significantly lower. An economic assessment of the maintenance of reservoir capacity due to forest conservation in the basin...

Author(s)
García Díaz, R.; García Robredo, F.; Medrano Ceña, P. A.
ISBN
2005 CABI Publishing (H ISBN 9781845930011)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Structure characterization of <i xmlns="http://www.w3.org/1999/xhtml">Quercus pyrenaica</i> Willd. open woodlands in the Spanish Central Mountain: implications for silvopastoral management.

This chapter presents a preliminary characterization of Quercus pyrenaica Willd. open woodlands in Madrid province. From data from the second and third National Forest Inventory we compare main stand variables (N, Dg, Hm, Ho, G, V and Hart-Becking index) at the two inventories for open woodlands...

Author(s)
Roig, S.; Río, M.; Cañellas, I.; Bravo, A.; Montero, G.
ISBN
2005 CABI Publishing (H ISBN 9781845930011)
Type
Book chapter; Conference paper

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