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Displaying 301 - 305 of 1605relationship of spatial–temporal changes in fringe mangrove extent and adjacent land-use: Case study of Kien Giang coast, Vietnam
Fringe mangroves are recognised as a highly valuable resource due to their provision of multiple ecosystem services. However, accelerating human-pressures on mangrove forests are resulting in the loss of key mangrove ecosystem services. In this paper, we assessed spatial–temporal changes in the extent and width of fringe mangroves, and changes in adjacent land use. The study focused on the Kien Giang Province, Vietnam, for the period 1989–2009.
Pro-poor land administration: Principles for recording the land rights of the underrepresented
The global land community has accepted that individual land titling on its own cannot deliver security of tenure in a complete or timely fashion, and that a continuum of land rights approach needs to be used. This approach needs to be accompanied by new and innovative pro-poor forms of land recordation to cater for these new forms of tenure. The proposed design draws on conventional land administration systems and the experiences of professionals, civil society and researchers regarding the land tenure systems of the poor and how they work in customary, informal, and post crisis areas.
relative contribution of terrain, land cover, and vegetation structure indices to species distribution models
Habitat assessments for biodiversity conservation are often complicated by the lack of detailed knowledge of a study species’ distribution. As an alternative to resource-intensive field-based methods to obtain such information, remotely sensed products can be utilized in species distribution models to infer a species’ distribution and ecological needs. Here we demonstrate how to arbitrate among a variety of remotely sensed predictor variables to estimate the distribution and ecological needs of an endangered butterfly species occurring mainly in inaccessible areas.
Pushing the envelope? Maize production intensification and the role of cattle manure in recovery of degraded soils in smallholder farming areas of Zimbabwe
Soil fertility decline is a major constraint to crop productivity on smallholder farms in Africa. The objective of this study was to evaluate the long-term (up to nine years) impacts of nutrient management strategies and their local feasibility on crop productivity, soil fertility status and rainfall infiltration on two contrasting soil types and different prior management regimes in Murehwa, Zimbabwe.
Analysis of US renewable fuels policies using a modified MARKAL model
In this research we have modified the standard US MARKAL model to include a land resource base, corn stover and miscanthus feedstocks, and new cost information for biochemical and thermochemical conversion technologies.