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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 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 The effect of pruning intensity on acorn production in a holm-oak "dehesa".

In this work the effect of the type of pruning on acorn production in a dehesa of Huelva province (south-west Spain) is evaluated. A plot including 100 holm-oaks (Quercus ilex L.) is replanted, and different pruning treatments are carried out (light, moderate, strong and hedge shaped), and there...

Author(s)
Alejano, R.; Alaejos, J.; Torres, E.; Forero, J. A.; Tapias, R.; Fernández, M.
ISBN
2005 CABI Publishing (H ISBN 9781845930011)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Pruning influence on acorn yield in cork-oak open woodland.

Bearing in mind the importance of pruning as a silvicultural treatment in cork-oak (Quercus suber L.) open woodland, an experiment was designed to assess the effect of pruning on acorn yield. This work was carried out by comparing annual acorn production from 40 pruned trees and 40 unpruned ones...

Author(s)
Cañellas, I.; Roig, S.; Montero, G.
ISBN
2005 CABI Publishing (H ISBN 9781845930011)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Evaluation of the production of acorns of the oak (<i xmlns="http://www.w3.org/1999/xhtml">Quercus ilex</i> Lam. ssp. <i xmlns="http://www.w3.org/1999/xhtml">ballota</i>) from south-west of Extremadura (Spain).

Over 2 years (1997-98 and 1998-99) the total production and seasonal distribution of the holm-oak acorn in the montanera (October-January) was measured in five dehesas in the south-west of Extremadura (Spain). The average total production of the five dehesas varied between 600 and 830 kg of...

Author(s)
Poblaciones, M. J.; López-Bellido, R.; Olea, L.; Benito, C.
ISBN
2005 CABI Publishing (H ISBN 9781845930011)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Consequences of dehesa management on tree-understorey interactions.

The distribution of resources (light, microclimate, soil moisture and soil nutrients) and fine roots (herbaceous plants and trees) around trees were studied in four dehesas with three types of management: cropped (forage), grazed (native grasses) and encroached (matorral). Additionally, the forage...

Author(s)
Moreno, G.; Obrador, J.; García, E.; Cubera, E.; Montero, M. J.; Pulido, F.
ISBN
2005 CABI Publishing (H ISBN 9781845930011)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Some ecological impacts of <i xmlns="http://www.w3.org/1999/xhtml">Quercus rotundifolia</i> trees on the understorey environment in the "montado" agrosilvopastoral system, southern Portugal.

The influence of Quercus rotundifolia trees on precipitation chemistry, soil physical and chemical characteristics, light, nutrient and water availability and biomass production of the understorey was studied in a "montado" at Évora (southern Portugal). Ca and K were added to the soil by...

Author(s)
Nunes, J.; Madeira, M.; Gazarini, L.
ISBN
2005 CABI Publishing (H ISBN 9781845930011)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Soil nutrient status and forage yield at varying distances from trees in four dehesas in Extremadura, Spain.

The aim of this study was to understand the effect of holm-oak (Quercus ilex) on the soil nutrient concentration and its consequence for the yield of understorey forage (Avena sativa) in four dehesas of CW Spain. The soils of the dehesas varied in soil fertility (chromic Luvisols and Achrisols, and ...

Author(s)
Obrador, J. J.; Moreno, G.
ISBN
2005 CABI Publishing (H ISBN 9781845930011)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for The influence of climate and soil type on the "montado" production system.

In an analysis of agricultural activities in Portugal and according to the Agricultural General Census of 1999, farms were allocated into three real evapotranspiration zones: between 400 and 450 mm/year (EZ1); between 450 and 500 mm/year (EZ2), and greater than 500 mm/year (EZ3). The "montado"...

Author(s)
Quintas, A.; Pereira, M. S.; Carmona, P. J.; Ramirez-Cruzado, D.; Belo, C. C.
ISBN
2005 CABI Publishing (H ISBN 9781845930011)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Importance of holm-oak (<i xmlns="http://www.w3.org/1999/xhtml">Quercus ilex</i>) as a woody food resource in Spanish ibex (<i xmlns="http://www.w3.org/1999/xhtml">Capra pyrenaica</i>) diet in Mediterranean forest.

The role of holm-oak (Quercus ilex) in Spanish ibex (Capra pyrenaica) diet and as part of its consumed woody resources was analysed in south-eastern Spain (Cazorla and Segura Ranges). The content of holm-oak in the annual, seasonal, altitude zonal, and sex and age classes diet was analysed....

Author(s)
Martínez, T.
ISBN
2005 CABI Publishing (H ISBN 9781845930011)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Effects of management on acorn production and viability in holm-oak dehesas.

In this work we analyse the effect of different management treatments of dehesas, namely rotational cereal cultivation (C), continuous grazing (G) and reduced grazing with invasion by matorral (M), on acorn crop and percentage of seeds lost to abortion or infestation by weevil (Curculio) and moth (...

Author(s)
Pulido, F. J.; García, E.; Obrador, J. J.; Montero, M. J.
ISBN
2005 CABI Publishing (H ISBN 9781845930011)
Type
Book chapter; Conference paper

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