The economic and food security implications of climate change in Mali

被引:122
作者
Butt, TA [1 ]
McCarl, BA
Angerer, J
Dyke, PT
Stuth, JW
机构
[1] Texas A&M Univ, Dept Agr Econ, College Stn, TX 77843 USA
[2] Texas A&M Univ, Dept Rangeland Ecol & Management, College Stn, TX 77843 USA
[3] Texas A&M Univ, Blackland Res & Extens Ctr, Temple, TX 76502 USA
关键词
D O I
10.1007/s10584-005-6014-0
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The study focuses on economic and food security implications of projected climate change on Malian agriculture sector. Climate change projections made by two global circulation models are considered. The analysis focuses on the effects on crops, forages, and livestock and the resultant effects on sectoral economics and risk of hunger in Mali. Results show that under climate change, crop yield changes are in the range of minus 17% to plus 6% at national level. Simultaneously, forage yields fall by 5 to 36% and livestock animal weights are reduced by 14 to 16%. The resultant economic losses range between 70 to $142 million, with producers gaining, but consumers losing. The percentage of population found to be at risk of hunger rises from a current estimate of 34% to an after climate change level of 64% to 72%. A number of policy and land management strategies can be employed to mitigate the effects of climate change. In particular, we investigate the development of heat resistant cultivars, the adoption of existing improved cultivars, migration of cropping pattern, and expansion of cropland finding that they effectively reduce climate change impacts lowering the risk of hunger to as low as 28%.
引用
收藏
页码:355 / 378
页数:24
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