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Estimating potential soil erosion for environmental services in a sugarcane growing área ussing multisource remote sensing data. Repositório Alice
MULIANGA, B.; BÉGUÈ, A.; SIMÕES, M.; CLOUVEL, P.; TODOROFF, P..
Characterization of landscapes is crucial in modelling potential soil erosion to ascertain environmental services that are provided by the main land use in the ecosystem. Remote sensing techniques have proved successful in characterization of landscapes. In this study area of a rain-fed Kibos-Miwani sugar zone of Kenya, we used Normalized Difference Vegetation Index (NDVI) data extracted from satellite imagery to characterize the spatial and temporal heterogeneity of the vegetation conditions, and to model potential soil erosion. Data used included Moderate Resolution Imaging Spectroradiometer (MODIS) 250 m NDVI acquired in the period 2000 to 2012; 30 m Landsat5 time series images acquired between November 2010 and June 2011; a 30 m digital elevation model...
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Sugarcane; Environmental service; Remote sensing; Land cover; Slope; Soil erosion; Cropping practices.
Ano: 2013 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/981213
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The Use of Markets To Increase Private Investment in Environmental Stewardship AgEcon
Ribaudo, Marc; Hansen, LeRoy T.; Hellerstein, Daniel; Greene, Catherine R..
U.S. farmers and ranchers produce a wide variety of commodities for food, fuel, and fiber in response to market signals. Farms also contain significant amounts of natural resources that can provide a host of environmental services, including cleaner air and water, flood control, and improved wildlife habitat. Environmental services are often valued by society, but because they are a public good—that is, people can obtain them without paying for them—farmers and ranchers may not benefit financially from producing them. As a result, farmers and ranchers under-provide these services. This report explores the use of market mechanisms, such as emissions trading and eco-labels, to increase private investment in environmental stewardship. Such investments could...
Tipo: Report Palavras-chave: Eco-labeling; Environmental service; Emissions trading; Market; Public good; Supply and demand; Transaction cost; Agricultural and Food Policy; Demand and Price Analysis; Environmental Economics and Policy.
Ano: 2008 URL: http://purl.umn.edu/56473
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