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Susanne Schnabel and Alfredo Ferreira (Editors)
Sustainability
of
Agrosilvopastoral Systems
– Dehesas, Montados –
Advances in GeoEcology 37 (follow-up series of CATENA SUPPLEMENTS)
395 pp, 2004, € 119,00
ISBN 3-923381-50-6 US ISBN 1-59326-245-0
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Agro-silvo-pastoral systems are widespread in the Mediterranean and can also be found in other areas of the world showing similar climatic conditions. In the southern and western part of the Iberian Peninsula these landuse systems, existing since many centuries, are commonly formed by open evergreen oak woodland, covering approximately 3 million hectars. These are the MONTADOS and DEHESAS of Portugal and Spain, which traditionally are exploited by multiple landuse including livestock breeding, forestry and cultivation. The importance of these areas rests on both environmental as well as socio-economic values. However, these areas have undergone rapid change during the second half of the 20th century, from traditional farming systems with very low energy inputs from outside, to more simplified systems giving rise to decreasing diversity of land use and management techniques. Land degradation is recognized to constitute a problem in many of the dehesas and montados, including a lack of regeneration of the trees which threaten the future of the woodlands, soil erosion and degradation and increased runoff production. A common feature is the coexistence of extensification and intensification, causing different problems of degradation. For example, headage payments produced a growth in animal numbers increasing the risk of soil and pasture degradation. On the other hand abandonment of livestock breeding produces vegetation change and leads to shrub encroachment and increased risk of wildfires. This monograph contains a selection of papers on the key issues:
Contents Prolog Chapter 1 Agrosilvopastoral Systems of the Mediterranean Vasilios P. Papanastasis Pablo Campos-Palacín Towards a Sustainable Global Economics Approach for Mediterranean Agroforestry Systems Giuseppe Enne, Claudio Zucca, Anna Montoldi and Lorenzo Noè The Role of Grazing in Agropastoral Systems in the Mediterranean Region and their Environmental Sustainability José M. García del Barrio, Francisco Bolaños, Marta Ortega and Ramón Elena-Rosselló Dynamics of Land Use and Land Cover Change in Dehesa Landscapes of the "REDPARES" Network between 1956 and 1998 Joaquín Francisco Lavado Contador, Susanne Schnabel and Rubén Trenado Ordóñez Comparison of Recent Land Use and Land Cover Changes in Two Dehesa Agrosilvopastoral Landuse Systems, SW Spain Chapter 2 Social and Economic Aspects Pablo Campos-Palacín and María Martínez-Jáuregui Multiple Use of Pinus sylvestris and Quercus pyrenaica Forests in the Spanish Central System Yolanda Rodríguez-Luengo, Pablo Campos-Palacín and Paola Ovando-Pol The Commercial Economics of a Public Dehesa in the Monfragüe Shire Celeste Coelho, Teresa Carvalho, Abdellah Laouina, Miloud Chaker,Rachida Naafa, António Ferreira and Anne-Karine Boulet Effects of Socio-Economic and Land Use Changes on Land Degradation: Perception, Foreseen Impacts and Recommendations Chapter 3 Hydrological and Degradational Processes Elena Cubera, María Jesús Montero and Gerardo Moreno Effect of Land Use on Soil Water Dynamics in Dehesas of Central-Western Spain María Jesús Montero, José Jesús Obrador, Elena Cubera and Gerardo Moreno The Role of Dehesa Land Use on Tree Water Status in Central-Western Spain Celeste Oliveira Alves Coelho, Antonio J.D. Ferreira, Abdallah Laouina, Ali Hamza, Miloud Chaker, Rachida Naafa, Kamel Regaya, Anne-Karine Boulet, Jan Jacob Keizer and Teresa M.M. Carvalho Changes in Land Use and Land Management Practices Affecting Land Degradation within Forest and Grazing Ecosystems in the Western Mediterranean José Rafael R. Marques da Silva and Alfredo Ferreira Soil Texture Effects on Interrill Sediment Enrichment Stergios Gakis Accumulation of Organic Matter and Nutrients in the Surface Soil of a Young Silvopastoral System in Greece Jaime Martínez Valderrama and Javier Ibáñez Puerta Foundations for a Dynamic Model to Analyze Stability in Commercial Grazing Systems Chapter 4 Livestock and Pastures Nikos Beopoulos and George Vlahos Exploitation of Pastures in a Sensitive Natural Environment: The Case of Western Lesvos Josefina Plaixats, Adriana Villareal, Jordi Bartolomé and Joaquim Espona Productivity Characteristics of Grassland in a Dehesa System in Catalonia, Spain Jordi Bartolomé, Jesús Piedrafita and Josefina Plaixats Preliminary Results on Diet Composition of the Alberes Semi-feral Cattle Breed Javier Montalvo, Paula Lorenzo and Adolfo Cano Biomass Turnover as an Ecological Indicator of Vegetation Dynamics in Agrosilvopastoral Systems of SW Galicia Chapter 5 Trees and Forest Use Marina Castro, José Castro and Antonio Gómez Sal The Role of Black Oak Woodlands (Quercus pyrenaica Willd.) in Small Ruminant Production in Northeast Portugal Ángel M. Felicísimo, Alicia Gómez and Jesús Muñoz Potential Distribution of Forest Species in Dehesas of Extremadura (Spain) Ana Cristina Gonçalves, Susana Saraiva Dias, Alfredo Ferreira and Nuno Almeida Ribeiro Cork Oak (Quercus suber L.) Site Rating Ana Cristina Gonçalves, Susana Saraiva Dias, Alfredo Ferreira and Nuno Almeida Ribeiro Landscape Diversity Patterns in Alentejo, Portugal Maria José Leiva and Rocío Fernández-Aléz Factors Limiting the Sexual Regeneration of Holm Oak (Quercus ilex subsp. Ballota) in Dehesa Agroforestry Ecosystems of Sierra Morena (Spain) Nuno Almeida Ribeiro, Susana Saraiva Dias, Peter Surový, Ana Cristina Gonçalves, Alfredo Ferreira and Angelo Carvalho Oliveira The Importance of Crown Cover on the Sustainability of Cork Oak Stands: A Simulation Approach Peter Surový, Nuno Almeida Ribeiro, Angelo Carvalho Oliveira and Lubomir Scheer Automated Aerial Imagery Analysis System for Individual Tree Identification in Cork Oak Stands Xavier Úbeda, Alfredo Ferreira and Maria Sala The Nutritive Status of Quercus suber L.in the Province of Girona, Spain: A Foliar Analysis Chapter 6 Sustainability and Management of Agrosilvopastoral Systems Lynn Huntsinger, Adriana Sulak, Lauren Gwin and Tobias Plieninger Oak Woodland Ranchers in California and Spain: Conservation and Diversification José Jesús Obrador Olán, Eustolia García López and Gerardo Moreno Consequences of Dehesa Land Use on the Nutritional Status of Vegetation in Central Western Spain Juan Fernando Gallardo Lancho and María Isabel González Hernández Sequestration of Carbon in Spanish Deciduous Oak Forests Adriana Sulak, Lynn Huntsinger, Richard Standiford, Adina Merenlender and Sally K. Fairfax A Strategy for Oak Woodland Conservation: The Conservation Easement in California Rafael Blanco Sepúlveda Land Evaluation for Extensive Grazing by Estimating Soil Vulnerability to Degradation: A Case Study in a Goat Farm in Southern Spain Mónica Murillo, Susanne Schnabel and Francisco González Effects of Different Pasture Improvement Techniques on Soil Erosion and Herbaceous Vegetation in a Wooded Rangeland, South-West Spain |
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