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Displaying 771 - 775 of 1605Land-cover change and human population trends in the greater Serengeti ecosystem from 1984–2003
The growth of human populations around protected areas accelerates land conversion and isolation, negatively impacting biodiversity and ecosystem function, and can be exacerbated by immigration. It is often assumed that immigration around protected areas is driven by attraction in the form of economic benefits, but in many cases, people may be pushed from their areas of origin toward protected areas. Mitigating the effects of immigration around protected areas necessitates understanding the actual mechanisms causing it, which can be aided by analysis of patterns of land-cover change.
Quantifying the net economic benefits of mechanical wildfire hazard treatments on timberlands of the western United States
Mechanical treatment of vegetation is done on public and private lands for many possible reasons, including enhancing wildlife habitat, increasing timber growth of residual stands, and improving resistance to damaging pests. Few studies, however, have focused on the circumstances under which mechanical wildfire hazard reduction treatments can yield positive net economic wildfire benefits for landowners and managers.
Governance features for successful REDD+ projects organization
Projects aiming at reducing emissions from deforestation and forest degradation (REDD+) still account for a small share of the voluntary carbon market. Indeed, although carbon buyers claimed REDD credits to be the most desirable ones, and despite the steps forward for a REDD+ approval under the UNFCCC, REDD+ project development appears problematic. Good governance is often a prerequisite for the development of a REDD+ project.
Bundling of ecosystem services to increase forestland value and enhance sustainable forest management
There has been increasing interest in the use of market-based approaches to add value for forestland and to assist with the conservation of natural resources. While markets for ecosystem services show potential for increasing forestland value, there is concern that the lack of an integrated program will simply add to the complexity of these services without generating significant public benefits.
Land change variability and human–environment dynamics in the United States Great Plains
Land use and land cover changes have complex linkages to climate variability and change, biophysical resources, and socioeconomic driving forces. To assess these land change dynamics and their causes in the Great Plains, we compare and contrast contemporary changes across 16 ecoregions using Landsat satellite data and statistical analysis. Large-area change analysis of agricultural regions is often hampered by change detection error and the tendency for land conversions to occur at the local-scale.