e (see Cv attached).

• Introduction.- 1. Agrarian Metabolism: the metabolic approach applied to agriculture.- 1.1. Agriculture and Social Metabolism: The metabolism of agroecosystems.- 1.2. Funds and flows in Agrarian Metabolism.- 1.3. The appropriation of biomass and colonization of the territory. Biophysical funds (land and livestock).- 1.4. Social fund elements (human work and technical means of production).- 1.5. The organization and dynamics of agrarian metabolism.- 1.6. The forces of change.- 1.7. Sources and methods.- 1.7.1. The specificities of AM.- 1.7.2. Scale and delimitations of the study.- 1.7.3. Sources of information.- 2. Intensification and Specialization: from Agricultureto Livestocking, 1900-2008.- 2.1. Traditional historiographical accounts of agricultural transformations during the twentieth century.- 2.2. The evolution of land uses.- 2.3. Evolution of real net primary productivity.- 2.4. Evolution of Domestic Extraction.- 2.5. The specialization of Spain’s agricultural production.- 2.6.Spanish livestock in the twentieth century.- 2.7. Livestock production.- 2.8. An overview of Spanish agriculture industrialization.- 3. Agricultural inputs and their energy costs 1900-2010.- 3.1. Comments on methodology.- 3.2. Traction.-  3.2.1 Mechanical traction.- 3.2.2. Combustibles.- 3.3. Irrigation.- 3.3.1. Irrigation systems.- 3.3.2. Installed mechanical power.- 3.3.3. Combustibles.- 3.3.4. Electricity.- 3.4. Fertilizers.- 3.5. Crop protection.- 3.5.1. Pesticides.- 3.5.2. Greenhouses.- 3.6. Use of inputs in the agricultural sector (Imports).- 4. Decreasing income and reproductive problems of the agricultural population.- Introduction.- 4.1. The agricultural population during the first half of the twentieth century.- 4.2. An estimate of the agricultural sector’s macromagnitudes (1950-2008).- 4.3. The agricultural population and changing living standards.- 4.4. The state of the agriculturalpopulation.- 4.5. Changes in farm structures.- 4.6. Breakdown of agricultural income andcoverage of household expenditure.- 4.7. Conclusions.- 5.  Environmental Impacts of Spanish Agriculture’s Industrialization.- 5.1. Functioning of the agroecosystem.- 5.2. The energy efficiency of agricultural production.- 5.3. State of the components of the land fund element.- 5.4. A diet rich in food of animal origin: the outsourcing of its land costs.- 6. The Metabolism of Spanish Agriculture.- 6.1. The agrarian sector in the metabolism of the Spanish economy.- 6.2. Foreign trade and domestic consumption of biomass.- 6.3. The main indicators of agrarian metabolism.- 6.4. The pace of intensification and specialization (I+S).- 6.5. The drivers of I+S .-    6.5.1. Supply side drivers of  I+S.- 6.5.2. Demand side drivers of  I+S.- 6.6. Conclusions.- Epilogue.- Appendix I. Calculation of the physical production series of Spanish agriculture.- A.1.1. Sources and methodological decisions to calculate the Domestic Extraction of Vegetal Biomass.- A.1.2. The reliability of livestock censuses.- A.1.3. Adjusting Spanish livestock in the first third of the twentieth century.- Appendix II. Historical evolution of the Spanish Agrarian Metabolism and the Spanish Economy Metabolism.- A.2.1. Historical evolution of the Spanish Agrarian Metabolism.- A.2.2. Historical evolution of Spanish Economy Metabolism.- Bibliography.- Index.

e (see Cv attached).

• Introduction.- 1. Agrarian Metabolism: the metabolic approach applied to agriculture.- 1.1. Agriculture and Social Metabolism: The metabolism of agroecosystems.- 1.2. Funds and flows in Agrarian Metabolism.- 1.3. The appropriation of biomass and colonization of the territory. Biophysical funds (land and livestock).- 1.4. Social fund elements (human work and technical means of production).- 1.5. The organization and dynamics of agrarian metabolism.- 1.6. The forces of change.- 1.7. Sources and methods.- 1.7.1. The specificities of AM.- 1.7.2. Scale and delimitations of the study.- 1.7.3. Sources of information.- 2. Intensification and Specialization: from Agricultureto Livestocking, 1900-2008.- 2.1. Traditional historiographical accounts of agricultural transformations during the twentieth century.- 2.2. The evolution of land uses.- 2.3. Evolution of real net primary productivity.- 2.4. Evolution of Domestic Extraction.- 2.5. The specialization of Spain’s agricultural production.- 2.6.Spanish livestock in the twentieth century.- 2.7. Livestock production.- 2.8. An overview of Spanish agriculture industrialization.- 3. Agricultural inputs and their energy costs 1900-2010.- 3.1. Comments on methodology.- 3.2. Traction.-  3.2.1 Mechanical traction.- 3.2.2. Combustibles.- 3.3. Irrigation.- 3.3.1. Irrigation systems.- 3.3.2. Installed mechanical power.- 3.3.3. Combustibles.- 3.3.4. Electricity.- 3.4. Fertilizers.- 3.5. Crop protection.- 3.5.1. Pesticides.- 3.5.2. Greenhouses.- 3.6. Use of inputs in the agricultural sector (Imports).- 4. Decreasing income and reproductive problems of the agricultural population.- Introduction.- 4.1. The agricultural population during the first half of the twentieth century.- 4.2. An estimate of the agricultural sector’s macromagnitudes (1950-2008).- 4.3. The agricultural population and changing living standards.- 4.4. The state of the agriculturalpopulation.- 4.5. Changes in farm structures.- 4.6. Breakdown of agricultural income andcoverage of household expenditure.- 4.7. Conclusions.- 5.  Environmental Impacts of Spanish Agriculture’s Industrialization.- 5.1. Functioning of the agroecosystem.- 5.2. The energy efficiency of agricultural production.- 5.3. State of the components of the land fund element.- 5.4. A diet rich in food of animal origin: the outsourcing of its land costs.- 6. The Metabolism of Spanish Agriculture.- 6.1. The agrarian sector in the metabolism of the Spanish economy.- 6.2. Foreign trade and domestic consumption of biomass.- 6.3. The main indicators of agrarian metabolism.- 6.4. The pace of intensification and specialization (I+S).- 6.5. The drivers of I+S .-    6.5.1. Supply side drivers of  I+S.- 6.5.2. Demand side drivers of  I+S.- 6.6. Conclusions.- Epilogue.- Appendix I. Calculation of the physical production series of Spanish agriculture.- A.1.1. Sources and methodological decisions to calculate the Domestic Extraction of Vegetal Biomass.- A.1.2. The reliability of livestock censuses.- A.1.3. Adjusting Spanish livestock in the first third of the twentieth century.- Appendix II. Historical evolution of the Spanish Agrarian Metabolism and the Spanish Economy Metabolism.- A.2.1. Historical evolution of the Spanish Agrarian Metabolism.- A.2.2. Historical evolution of Spanish Economy Metabolism.- Bibliography.- Index.

e (see Cv attached).

• Introduction.- 1. Agrarian Metabolism: the metabolic approach applied to agriculture.- 1.1. Agriculture and Social Metabolism: The metabolism of agroecosystems.- 1.2. Funds and flows in Agrarian Metabolism.- 1.3. The appropriation of biomass and colonization of the territory. Biophysical funds (land and livestock).- 1.4. Social fund elements (human work and technical means of production).- 1.5. The organization and dynamics of agrarian metabolism.- 1.6. The forces of change.- 1.7. Sources and methods.- 1.7.1. The specificities of AM.- 1.7.2. Scale and delimitations of the study.- 1.7.3. Sources of information.- 2. Intensification and Specialization: from Agricultureto Livestocking, 1900-2008.- 2.1. Traditional historiographical accounts of agricultural transformations during the twentieth century.- 2.2. The evolution of land uses.- 2.3. Evolution of real net primary productivity.- 2.4. Evolution of Domestic Extraction.- 2.5. The specialization of Spain’s agricultural production.- 2.6.Spanish livestock in the twentieth century.- 2.7. Livestock production.- 2.8. An overview of Spanish agriculture industrialization.- 3. Agricultural inputs and their energy costs 1900-2010.- 3.1. Comments on methodology.- 3.2. Traction.-  3.2.1 Mechanical traction.- 3.2.2. Combustibles.- 3.3. Irrigation.- 3.3.1. Irrigation systems.- 3.3.2. Installed mechanical power.- 3.3.3. Combustibles.- 3.3.4. Electricity.- 3.4. Fertilizers.- 3.5. Crop protection.- 3.5.1. Pesticides.- 3.5.2. Greenhouses.- 3.6. Use of inputs in the agricultural sector (Imports).- 4. Decreasing income and reproductive problems of the agricultural population.- Introduction.- 4.1. The agricultural population during the first half of the twentieth century.- 4.2. An estimate of the agricultural sector’s macromagnitudes (1950-2008).- 4.3. The agricultural population and changing living standards.- 4.4. The state of the agriculturalpopulation.- 4.5. Changes in farm structures.- 4.6. Breakdown of agricultural income andcoverage of household expenditure.- 4.7. Conclusions.- 5.  Environmental Impacts of Spanish Agriculture’s Industrialization.- 5.1. Functioning of the agroecosystem.- 5.2. The energy efficiency of agricultural production.- 5.3. State of the components of the land fund element.- 5.4. A diet rich in food of animal origin: the outsourcing of its land costs.- 6. The Metabolism of Spanish Agriculture.- 6.1. The agrarian sector in the metabolism of the Spanish economy.- 6.2. Foreign trade and domestic consumption of biomass.- 6.3. The main indicators of agrarian metabolism.- 6.4. The pace of intensification and specialization (I+S).- 6.5. The drivers of I+S .-    6.5.1. Supply side drivers of  I+S.- 6.5.2. Demand side drivers of  I+S.- 6.6. Conclusions.- Epilogue.- Appendix I. Calculation of the physical production series of Spanish agriculture.- A.1.1. Sources and methodological decisions to calculate the Domestic Extraction of Vegetal Biomass.- A.1.2. The reliability of livestock censuses.- A.1.3. Adjusting Spanish livestock in the first third of the twentieth century.- Appendix II. Historical evolution of the Spanish Agrarian Metabolism and the Spanish Economy Metabolism.- A.2.1. Historical evolution of the Spanish Agrarian Metabolism.- A.2.2. Historical evolution of Spanish Economy Metabolism.- Bibliography.- Index.