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Displaying 1001 - 1005 of 1605Which policy would work better for improved soil fertility management in sub-Saharan Africa, fertilizer subsidies or carbon credits?
Why do many smallholder farmers fail to adopt improved land management practices which can improve yields and incomes? The reason is not always because these practices are uneconomical but sometimes it is because resource poverty prevents farmers from taking advantage of yield and income enhancing agricultural practices. In this study we examine the relative merits of using a carbon payment scheme compared to a subsidy policy to help reduce the cost of specific land management practices with productivity and ecosystem benefits such as carbon sequestration.
Land-use planning based on ecosystem service assessment: A case study in the Southeast Pampas of Argentina
A methodological protocol of strategic environmental assessment was developed to incorporate the valuation of ecosystem services in land use plans. The protocol was applied in rural land planning at Balcarce, a department representative of the Southeast Pampas Region (Argentina). The ecosystem services approach was used as valuation criteria of the 14 principal ecosystems classified in the studied area, where agricultural is the predominant economic activity.
hydrologic consequences of land cover change in central Argentina
Vegetation exerts a strong control on water balance and key hydrological variables like evapotranspiration, water yield or even the flooded area may result severely affected by vegetation changes. Particularly, transitions between tree- and herbaceous-dominated covers, which are taking place at increasing rates in South America, may have the greatest impact on the water balance.
Using modeled runoff to study DOC dynamics in stream and river flow: A case study of an urban watershed southeast of Boston, Massachusetts
The origin, function, and fate of dissolved organic carbon (DOC) in stream flow are not well-understood. This study explores the environmental factors controlling the spatial and temporal variation of DOC in terrestrial ecosystems of a watershed southeast of Boston, Massachusetts. Our hypothesis is that environmental factors: stream flow, land cover type, vegetation density, and drainage area are significant in estimating DOC export from an urban watershed.
Estimated participation in U.S. carbon sequestration programs: A study of NIPF landowners in Massachusetts
Although carbon sequestration programs for non-industrial forestland owners in Massachusetts are being developed, very little is known about the program attributes of importance to different types of landowners or the likelihood that landowners will participate in any given program. This study estimates the probability that Massachusetts landowners will participate in several carbon offset programs using data from a survey of 3000 Massachusetts forestland owners. Results from an ordered logit discrete choice model suggest that the likelihood of enrollment in most programs is quite low.