Palm oil is one of the most controversial yet ubiquitous agricultural commodities in the world, used in everyday products ranging from cooking oil and chocolate to toothpaste and soap. Over the past few decades, the palm oil industry has contributed significantly to the economic development of Indonesia and Malaysia, which together produce an estimated 85 to 90 per cent of global supply.
Cities in Sub-Saharan Africa are experiencing rapid population growth. Yet their economic growth has not kept pace. Why? One factor might be low capital investment, due in part to Africa’s relative poverty: Other regions have reached similar stages of urbanization at higher per capita GDP. This study, however, identifies a deeper reason: African cities are closed to the world.
ABSTRACTED FROM CHAPTER INTRODUCTION: The preceding chapters of this book give a central place to the Powers of Exclusion framework for understanding transformations in land relations, as developed in our 2011 book on Southeast Asia. A couple of the main aspects of the two books make for an interesting comparison. The first is that each employs a regional frame of reference to explore themes in changing land relations. The second is their respective development and application of a common conceptual framework.
Context: Recent conceptual developments in ecosystem services research have revealed the need to elucidate the complex and unintended relationships between humans and the environment if we are to better understand and manage ecosystem services in practice.
Objectives: This study aimed to develop a model that spatially represents a complex human–environment (H–E) system consisting of heterogeneous social–ecological components and feedback mechanisms at multiple scales, in order to assess multi-dimensional (spatial, temporal, and social) trade-offs in ecosystem services.
A Agricultura Brasileira se destaca entre as maiores do mundo e representa uma fonte de alimentos e de matéria prima para muitos países. Nela estão presentes diversos modos de fazer Agricultura, entre os quais a produção Agrícola Familiar, encontrada em extensas e importantes regiões do país. A agricultura familiar no Brasil é crescentemente uma forma social de produção reconhecida pela sociedade brasileira, por suas contribuições materiais e imateriais.
Moçambique é um país em vias de entrar no complexo mundo dos países produtores de produtos energéticos. Um grande influxo de capitais tornou o país num dos destinos privilegiados do investimento estrangeiro, o que permitiu/facilitou uma gestão especulativa de receitas futuras. Receitas rápidas e avultadas de capitais e aumento das reservas de divisas permitiram políticas fiscais e monetárias expansivas, reforçando o padrão de acumulação sectorial, social e espacialmente concentrado e de realização no exterior.
One of the major consequences of expansive urban growth is the degradation and loss of productive agricultural land and agroecosystem functions. Four landscape metrics—Percentage of Land (PLAND), Mean Parcel Size (MPS), Parcel Density (PD), and Modified Simpson’s Diversity Index (MSDI)—were calculated for 1 km × 1 km cells along three 50 km-long transects that extend out from the Adelaide CBD, in order to analyze variations in landscape structures. Each transect has different land uses beyond the built-up area, and they differ in topography, soils, and rates of urban expansion.
It has been suggested that agricultural land use change and modernization in agricultural production techniques are related to the loss of crop diversity. Two processes contribute to this loss; first is the replacement of landraces by modern varieties, and second is the abandonment of traditional crops in favor of cash crops. We studied the expression of these processes in a region that is both an agro-biodiversity and cultural center and one of the most significant fruit exporters of Mexico.
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