Pdf soil carbon sequestration in agroforestry systems. Therefore, based on the earths area that is suitable for the practice 5851215. We showed that agroforestry systems play an effective role in global carbon sequestration, involved in carbon capture. Agroforestry has been recognized to be of special importance as a carbon sequestration strategy because of its applicability in agriculture lands as well as in reforestation progammes cairns and meganck, 1994. Climate change is the most severe problem that we are facing today in agriculture production and human health. The conversion from pasturegrassland to agroforestry produced soil organic carbon increases of about 10 percent, on average.
Agroforestry systems, including shade coffee farms, that preserve forest are therefore acting as carbon sinks. The potential of coffee agroforestry agf systems to act as a sink for carbon c is of high interest. Comparison of carbon sequestration potential in agricultural. Yet, our understanding of the diversity attributes and carbon dynamics under agroforestry is not adequate. Agroforestry systems may play an important role in mitigating climate change, having the ability to sequester atmospheric carbon dioxide co2 in plant parts and soil. While the underlying mechanisms too are similar, they may manifest themselves differently in different systems depending on systemspecific characteristics. Carbon sequestration potential of agroforestry systems. Carbon sequestration potential in agroforestry systems management of trees in agroecosystems such as agroforestry, ethno forests, and trees outside forests can mitigate greenhouse gas ghg emissions under the kyoto protocol. We assembled information on the biophysical, technical, economic, and practical potential of agroforestry to sequester c for the west african sahel, east africa, and southern africa. Nitrogen production was the main emission source for prefarm. We assembled information on the biophysical, technical, economic, and practical potential of agroforestry to sequester c for the west african sahel, east africa, and. Oct 28, 2017 agroforestry systems may play an important role in mitigating climate change, having the ability to sequester atmospheric carbon dioxide co 2 in plant parts and soil. Carbon sequestration and biomass production rates from.
The potential of agroforestry as a strategy for carbon sequestration has not yet been fully recognized so far. Here we a assess the significance of trees in agroforestry systems for carbon sequestration at a global level, and b the extent to. Jul 20, 2016 agroforestry systems and tree cover on agricultural land make an important contribution to climate change mitigation, but are not systematically accounted for in either global carbon budgets or. In the discussion on c storage potential of any landuse system. Coffee farmers consider with interest the conversion of their coffee monoculture into agf systems as an alternative to face the economical crisis of coffee prices, through diversification e. Carbon sequestration potential of agroforestry systemsopportunities and challenges. This finding underscores the important tradeoffs between a global public good carbon and a private good economic gain tomich et al. Pdf carbon sequestration in agroforestry systems ann. Agroforestry has importance as a carbon sequestration strategy because of carbon storage potential in its multiple plant species and soil as well as its. Assessment of carbon sequestration in agriculture and. Diversity just as there are many types and sizes of tree and shrub mixed in a forest, so our agroforestry should also be made up of a wide range of species, to make them sustainably most. Lee norfleet 3 1 auburn university, department of agronomy and soils, auburn al 36849 2 usdaagricultural research service, 1420 experiment station road, watkinsville ga 30677. The concept of cs is the same across different landuse systems. We showed that agroforestry systems play an effective role in global carbon sequestration, involved in carbon capture and the longterm storage of atmospheric carbon dioxide.
Carbon sequestration potential of agroforestry systems in. Agriculture, climate change and carbon sequestration. As a result of changing the farming systems to hardwood forest in this study area, carbon sequestration and carbon storage have increased at the rate of 2. Agroforestry systems could also contribute to carbon sequestration and reducing emissions when burning is avoided. Agroforestry systems may play an important role in mitigating climate change, having the ability to sequester atmospheric carbon dioxide co 2 in plant parts and soil. It is a compendium of original research articles, case studies, and regional overviews and summarizes the current state of knowledge on carbon sequestration potential of agroforestry systems. Carbon sequestration is the process by which carbon is pulled from the atmosphere and stored elsewhere.
Climate and economic benefits of agroforestry systems. Design of agroforestry systems the following principles need to be applied when planning and establishing a farm or a community agroforestry system. C sequestration through agroforestry is a potential viable option to add trees on the farm lands, alone or in association with crops. Carbon sequestration potential of agroforestry systemsopportunities and challenges see other formats. A landowners guide to carbon sequestration credits center for integrated natural resources and agricultural management and the commonwealth project 2007 pdf, 1. Carbon sequestration and biomass production rates from agroforestry southern murraydarling basin region page iv list of figures figure 1. Carbon sequestration in coffee agroforestry plantations of.
Agroforestry systems afss are believed to have a higher potential to sequester carbon c because. Agroforestry also mitigates the demand for wood and reduces pressure on natural forests. It also in vestigates possible options for farmers and ranchers to have a positive impact on the changing climate and presents opportunities for becoming involved in the emerging carbon market. Phytoremediation and carbon sequestration potential of. In agricultural systems, carbon is stored in above and belowground biomass and in soil. Promoting woodcarving industry facilitates longterm lockingup of carbon in carved wood and new sequestration through intensified tree growing.
The more soil is covered, the richer it will be in organic material and therefore in carbon. Carbon sequestration potential of agroforestry systems opportunities and challenges see other formats. Soil carbon sequestration under agroforestry systems. Accounting for agroforestry carbon pools for ghg mitigation efforts, it is the flux or difference in a carbon pool as affected by a shift in management practices that must be accounted for. It has been proposed as a way to reduce the atmospheric and marine accumulation of green house gases, which was released by burning fossil fuel wikipedia.
Interest in terrestrial carbon sequestration has increased in an effort to explore opportunities for climate change mitigation. The potential of organic coffee to maintain carbon in soil and to reduce emissions from deforestation and ecosystem degradation redd is discussed. Agroforestry as a strategy for carbon sequestration. Agroforestry systems and tree cover on agricultural land make an important contribution to climate change mitigation, but are not systematically accounted for in either global carbon budgets or. It is the process involved in carbon capture and long term storage of atmospheric carbondioxide and other forms of carbon to mitigate or defy global warming. Carbon sequestration potential of agroforestry systems opportunities and challenges. The objective of this paper was to analyse c storage data in some tropical agroforestry systems and to discuss the role they can play in reducing the concentration of co 2 in the atmosphere. Carbon sequestration is the process by which atmospheric carbon dioxide is taken up by trees, grasses, and other plants through photosynthesis and stored as carbon in biomass trunks, branches, foliage, and roots and soils. Carbon sequestration in forests congressional research service 2 for mitigating greenhouse gas emissionsand thus possible climate changeis to increase the amount of carbon stored in forests.
We showed that agroforestry systems play an effective role in global carbon sequestration, involved in carbon capture and the longterm storage of atmospheric carbon dioxide, he said. It is estimated to be practiced over 1 billion hectares in developing countries, and to a lesser extent in the industrialized countries. The c sequestration potential of agroforestry systems is estimated between 12 and 228 mg ha. By making use of local knowledge, equity, livelihood security, trade and industry, can be supported. Agroforestry is a new concept of land management, especially in north america. Greenhouse gas emissions and carbon sequestration by. Carbon sequestration potential of agroforestry practices in the lormiere river watershed in quebec vi introduction the kyoto protocol of 1997 marked a turning point in efforts to tackle climate change at the international. However, data on soil organic carbon soc stocks and sequestration of agroforestry systems are scanty. The few published data vary greatly depending on the agroforestry system, species composition and age, geographical location, environmental factors, and management practices. Agroforestry has importance as a carbon sequestration strategy because of carbon storage potential in its multiple plant species and soil as well as its applicability in agricultural lands and in reforestation. Farmers involved in this type of projects get income from sold carbon credits as well as from other products that an agroforestry system could provide.
Although carbon sequestration is a focal theme of discussion in most agroforestry and climate conferences, publications on carbon sequestration in agroforestry are scattered. Here we a assess the significance of trees in agroforestry systems for carbon sequestration at a global level, and b the extent to which this resource is stable, increasing or decreasing. Carbon sequestration potential of agroforestry practices. This can be ascribed to the physiologically shallow soil lateral water flow on a clay horizon. Keywords climate change coffee improved fallow maize reduced deforestation. Agroforestry the practice of growing trees and crops in interacting combinations is recognized worldwide as an integrated approach to sustainable landuse. Importance of agroforestry systems in carbon sequestration.
Carbon sequestration in agroforestry systems sciencedirect. Carbon sequestration vs agroforestry trees kanglaonline. Sustainable agroforestry can be used to store atmospheric carbon, deliver economic and. The extent of c sequestered in any agroforestry system will depend on a number of site. Although agroforestry systems are not primarily designed for carbon sequestration, there are many recent studies that substantiate the evidence that agroforestry systems be capable of play a major role in storing carbon in aboveground biomass mutuo et al. Global tree cover and biomass carbon on agricultural land. Carbon sequestration potential of agroforestry systems in india. Lateral extension of gmelina roots at marcos site clearly exceeded 200cm from the stem and was not homogeneous as reported by ruhigwa et al. Agroforestry systems are a better climate change mitigation option than oceanic, and. Agroforestry systems afss are believed to have a higher potential to sequester carbon c because of their perceived ability for greater capture and utilization of growth resources light. This publication provides an overview of the relationship between agriculture, climate change and carbon sequestration.
Carbon sequestration through agroforestry in indigenous. My research topic can tbi systems sequester more carbon than conventional agricultural systems in southwestern. In 2010 authors published an article thoroughly investigating how agroforestry compared to other farming systems like cropping and grazing, since it. Carbon sequestration in tropical agroforestry systems. Carbon sequestration potential of agroforestry practices in. Carbon sequestration and biomass production rates from agroforestry southern murraydarling basin region page i executive summary south australia has the potential to sequester significant amount of carbon from revegetation in agricultural landscapes. Reforestation also contributes to the sequestration of carbon, although the rate in which carbon is taken up and stored by plants varies among species, as well as where they are grown and if and how they are managed. Carbon sequestration potential of agroforestry in africa. Until now, the combat against global warming has largely focused on the protection and restoration of forests. Carbon sequestration potential of agroforestry systems is one such littlestudied area. Importance of agroforestry systems in carbon sequestration agroforestry can store more carbon than conventional farming agricultural systems, such as agroforestry, that combine trees with livestock and crops on the same area of land, are particularly popular in developing countries. Agroforestry systems may play vital role in mitigating. A metaanalysis was carried out to investigate changes in soil organic carbon soc stocks at 015, 030, 060, 0100, and 0. Carbon sequestration potential through agroforestry.
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