2 edition of Potential opportunities for reforestation of marginal croplands found in the catalog.
Potential opportunities for reforestation of marginal croplands
United States. Congress. Senate. Committee on Appropriations. Subcommittee on the Dept. of the Interior and Related Agencies.
|Series||S. hrg -- 98-1199.|
|The Physical Object|
|Pagination||iii, 52, i p. ;|
|Number of Pages||52|
New Reforestation Study by Suzanne Guldimann. 0 0. “While there is a general belief that reforesting marginal, often unprofitable, croplands can result in water quality benefits, to date there have been very few studies that have attempted to quantify the magnitude of the reductions in nutrient (N[itrogen] and P[hosphorus]) and sediment. incorporated coalition known as the National Carbon Offset Coalition (). The NCOC is designed to assist landowners in planning carbon sequestration activities and documenting the resulting Carbon Sequestration Unit (CSU) in a manner that adheres to national standards and protocols, and meets the needs of potential buyers.
Over two million hectares of marginal land in the Northeast USA no longer used for agriculture may be suitable and available for production of second-generation cellulosic bioenergy crops, offering the potential for increased regional bioenergy production without competing with food production on prime farmland. Current yields of perennial bioenergy grasses and short-rotation . Reforestation programs are a widely used policy instrument for reversing the environmental and livelihood problems created by deforestation and climate change 1,2,3,'s nationwide Grain-for-Green Program (GFGP) is the largest reforestation programme in the world 5,6,ted in primarily to control soil erosion 8, GFGP uses Cited by:
Reforestation is a critical means of addressing the environmental and social problems of deforestation. China’s Grain-for-Green Program (GFGP) is the world’s largest reforestation scheme. Here Cited by: Forest Policy and Economics. Vol August , Pages , August , Pages Cited by:
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Potential opportunities for reforestation of marginal croplands: hearing before a subcommittee of the Committee on Appropriations, United States Senate, Ninety-eighth Congress, second session, special hearing.
Potential opportunities for reforestation of marginal croplands [microform]: hearing before a subcommittee of the Committee on Appropriations, United States Senate, Ninety-eighth Congress, second session, special hearing.
The table shows that at the 10 percent level most of the uptake would be accomplished by changing forest management practices on current forestlands and planting on marginal pasturelands, but that in order to get very much of the maximum potential, large-scale inclusion of marginal croplands would be required.
We Can Reforest the Earth. billions of trees need to be planted on millions of acres of degraded lands that have lost their tree cover and on marginal croplands and pasturelands that are no longer productive.
much of the afforestation and reforestation opportunity is found in tropical countries. The research team focused on the potential opportunities that marginal croplands (lands with low agricultural value because of terrain, poor soil quality, or insufficient water supply) could bring if they were to be reforested.
As the authors explain, planting trees. While there is a general belief that reforesting marginal, often unprofitable, croplands can result in water quality benefits, to date there have been very few studies that have attempted to quantify the magnitude of the reductions in nutrient (N and P) and sediment export.
In order to determine the magnitude of a credit for water quality trading, there is a need to develop quantitative Author: Arturo A. Keller, Jessica Fox. Reforestation or afforestation of marginal agricultural lands offers opportunities to sequester soil organic carbon (SOC), improve the quality of degraded soils, and provide ecosystem services.
The objectives of this study were to identify the extent and distribution of marginally productive cropland in the state of Iowa and to quantify the changes in SOC and Cited by: A major concern is the potential for Reforestation, Avoided Forest Conversion, and Wetland/Peatland pathways to compete with the need to increase food production.
Reforestation and Avoided Forest Conversion remain the largest mitigation opportunities despite avoiding reforestation of mapped croplands and constraints we placed on avoiding Cited by: Reviews of site-level studies (22, 23) suggest reforestation and other land use and management changes increase soil C by – Mg of Cha −1 y −1, with potential increases of 50– Tgy −1 estimated for US and European agricultural lands (1, 24).
However, it may be more important to develop a framework for constraining these estimates with Cited by: stages of degradation and have, in theory, potential for reforestation.
Most manmade reforestation is done with imported species. Many native trees, more familiar to local people, have untapped potential for reforestation. Tree plantations using only one species are widespread, Little effort is being made.
Downloadable. Irrigated agricultural production in Uzbekistan is threatened by the impacts of land degradation, irrigation water scarcity and climate change.
The conversion of marginal croplands to tree plantations is an option for rehabilitation of nutrient-depleted cropland soils, saving of irrigation water, carbon sequestration, and improving population welfare. 1 Introduction  Humans have changed the global environment for centuries, and our impact has intensified over recent decades due to increased population and intensification of industrial activity.
A considerable forcing for global change is land use and land cover changes (LULCC). The impact of future LULCC on atmospheric temperatures and global climate is of growing Cited by: the potential negative visual impacts of artificial regeneration by promoting natural-appearing stands.
Benefits to water quality and wetlands: Reforestation guidelines provide opportunities to reduce the potential for increased erosion and subsequent sedimentation of water bodies and wetlands due to reforestation activities that protect. I love books about werewolves and mates and Potential was a good read.
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In this work it is shown that reforestation of cropland in the southeastern U.S. tends to warm surface air by up to K, while replacing forested land with cropland tends to cool the surface air by K.
Processes leading to this response are investigated and sensitivity analyses by: A sustainability framework for assessing studies about marginal lands for planting perennial energy crops. Marginal croplands: Varvel, Vogel, Mitchell, Follett, & Kimble () The potentially increased food prices will lower the likelihood of planting energy crops on marginal lands due to a high opportunity by: 3.
Yet few research on the carbon sequestration potential of such a large-scale program of tree planting as Chinese GGP. A paper published in the year was the precursor of this kind and it dealt with estimating the carbon sequestration potential after afforestation on marginal croplands in U.S.
(Niu and Duiker, ). A study finds that close to a trillion trees could potentially be planted on Earth—enough to sequester more than billion tons of carbon. But environmental change on this scale is no easy task. Finally, we need a tree planting effort to both conserve soil and sequester carbon.
To achieve these goals, billions of trees need to be planted on millions of acres of degraded lands that have lost their tree cover and on marginal croplands and pasturelands that are no longer productive. Reforestation work in the Philippines.
Additionally, according to Keller, reforestation of marginal croplands also increases biodiversity, provides habitat, and can be used economically by sustainably harvesting the timber—all without sacrificing prime agricultural value. In industrial nations, the greatest opportunity lies in reducing the amount of wood used to make paper.
The goal is first to reduce paper use and then to .Marginal croplands were defined according to the local classification of land productivity called bonitet that, using a point scale, ascribes areas with bonitet levels below 41 to be low-productive (State Committee of Land Resources of Uzbekistan, ).
Download: Download full-size image; Fig. 2. Estimated yield response to irrigation of Cited by: In our study area, where irrigation water supply fluctuates and exhibits an overall declining trend (MAWR, ), the introduction of CDM afforestation on marginal croplands has the potential .