Adaptation to Climate Change through Sustainable Management and Development of Agroforestry Systems
2007
Rao, K P C | Verchot, L V | Laarman, J
This paper describes the potential role of agroforestry systems in the adaptation to expected changes in climate by smallholder farmers in the tropical regions in general and in sub-Saharan Africa in particular. There is enough scientific evidence to conclude that climate change is happening and to link climate change with the observed changes in the earth's physical systems. Agriculture is one of the high priority sectors where the impacts of climate change exceed tolerance limits with implications for the livelihoods of millions of smallholder farmers dependent on this sector. Agroforestry interventions, because of their ability to provide economic and environmental benefits, are considered to be the best “no regrets” measures in making communities adapt and become resilient to the impacts of climate change. The important elements of agroforestry systems that can play a significant role in the adaptation to climate change include changes in the microclimate, protection through provision of permanent cover, opportunities for diversification of the agricultural systems, improving efficiency of use of soil, water and climatic resources, contribution to soil fertility improvement, reducing carbon emissions and increasing sequestration, and promoting gender equity. These are discussed and limitations are highlighted. While agroforestry systems clearly offer economic and ecological advantages, the development of robust systems compliant with stakeholder needs and requirements is constrained by our limited understanding of the tradeoffs between subsistence requirements, acceptable risks, and the costs involved.
显示更多 [+] 显示较少 [-]