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Displaying 91 - 95 of 1605Measuring external costs of ruralâurban land conversion: An empirical study in Wuhan, China
Externalities of ruralâurban land conversion are major factors in the inefficiency of land resource allocation. Although many studies have proposed policy solutions of externalities, measuring externalities is still a challenge. According to definition of externalities, externalities of ruralâurban land conversion are the sum of nonmarket externalities and market externalities during land conversion process excluding owner of converted land.
Indicators for spatialâtemporal comparisons of ecosystem service status between regions: A case study of the Taihu River Basin, China
With the development of ecological science, the demand to integrate ecosystem services into ecological management is increasing. Stakeholders are interested in comparing stocks and ability to supply ecosystem services in different regions. However, different areas may have different primary ecosystem services and knowledge of the aggregated value of ecosystem services may be lacking, making comparisons difficult. Relevant indicators that can integrate a group of ecosystem services for comparison are therefore needed.
Food or flowers? Contested transformations of community food security and water use priorities under new legal and market regimes in Ecuador's highlands
During the past three decades, the Pisque watershed in Ecuador's Northern Andes has become the country's principal export-roses producing area. Recently, a new boom of local smallholders have established small rose greenhouses and joined the flower-export business. This has intensified water scarcity and material/discursive conflicts over water use priorities: water to defend local-national food sovereignty or production for export.
Simulating range-wide population and breeding habitat dynamics for an endangered woodland warbler in the face of uncertainty
Population viability analyses provide a quantitative approach that seeks to predict the possible future status of a species of interest under different scenarios and, therefore, can be important components of large-scale speciesâ conservation programs. We created a model and simulated range-wide population and breeding habitat dynamics for an endangered woodland warbler, the golden-cheeked warbler (Setophaga chrysoparia). Habitat-transition probabilities were estimated across the warbler's breeding range by combining National Land Cover Database imagery with multistate modeling.
Ecosystem services in urban planning: Comparative paradigms and guidelines for high quality plans
Ecosystem services are a powerful tool for land-use and environmental planning, which can help decision makers better understand the tradeoffs between different development scenarios. However, there is limited guidance about how ecosystem services should be used in the land-use and environmental planning context.