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Mostrando ítems 1 a 9 de 55.
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This paper examines the various ways in which migrant settlers have gained and maintained access to land in the informal urban settlements of Wewak, the provincial capital of East Sepik Province, Papua New Guinea (PNG). Urban population growth in PNG and in Pacific Island states more generally is predicted to grow rapidly over the next two decades. Given the limited availability of formal housing for lower income people, it is likely that many will live in informal urban settlements on land owned by customary landowners.
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África, Asia, Asia meridional
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Sri Lanka, Asia sudoriental
Availability of rainfall time-series is limited in many parts of the World, and the continuity of such records is variable. This research endeavors to extend actual daily rainfall observations to ungauged areas, taking into account events of rainfall as well as cumulative total daily rainfall, over a period of 11 years. Results show that rainfall events histograms can be reconstructed, and that total cumulative rainfall is estimated with 85% accuracy, using a surrounding network of rain gauges at 30-50 Km of distance from the point of study.
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Estados Unidos de América
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Camboya, Laos, Myanmar, Tailandia, Viet Nam, Asia sudoriental
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Camboya, China, Laos, Myanmar, Tailandia, Viet Nam, Asia, Asia sudoriental
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Sudáfrica, África, África austral
Increasing temperatures and declining rainfall patterns as well as increasing frequency of extreme climate events such as droughts and floods are the expected future weather patterns within the tropics. Africa, particularly Southern Africa, is projected to be the region most vulnerable to the impacts of climate variability and change especially in agriculture and water. This has dire consequences as most people in Southern Africa depend on agriculture for their livelihoods.
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Tailandia, Asia, Asia sudoriental
Modern bioenergy systems are attracting increasing attention from governments in Asia as a potential solution to a range of policy problems related to energy security and sustainable development. Despite growing interest in bioenergy systems, there is still a limited understanding of how their expansion could impact on natural resources such as water. This paper aims to shed some light on the relationship between modern bioenergy development and water depletion using a case study on the biofuel sector in Thailand.
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Nepal, Ghana, Asia, Asia meridional, África, África occidental
Eco-toilets (human urine and faecal matter collected separately) are one of the best ways to solve sanitation problem, and this practice also improves the environment and increases the food production. This study focuses on experimental demonstration of use of urine, wood ash and poultry droppings (PD) as a fertilizer in central Nepal and in Accra, Ghana. In Nepal, Fertilizer value of urine+ash was compared with animal manure and no-fertilization in the cultivation of radish, potato, broadleaf mustard, auliflower and cabbage.
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