Abstract
Climate change has mixed impacts on agriculture and the impacts are different in terms of areas, periods and crops. The changing factors of climate have been exerting strong negative impacts on Malaysian agriculture, which is apprehended to result in shortages of water and other resources for long term, worsening soil condition, disease and pest outbreaks on crops and livestock, sea-level rise, and so on. Due to climate change, agricultural productivity and profitability is declining. Despite continuous increases of government subsidy, area of paddy plantation is decreasing and the adaption practices are ineffective. As climate change is universal and its existence is indefinite, the farmers need to adapt to and find ways to mitigate the damages of climatic variation in order to sustain agricultural productivity and attain food security for them.
Highlights
The changing patterns of climate factors adversely affect the social, economic and environmental agents all over the world
This paper provides a brief review on the global and Malaysian perspective of climate change, and its impacts on Malaysian agriculture and relevant adaptation practices, and policy recommendations for better coping with the changing nature of climatic factors
Mitigation is the main way to prevent future impacts of climate change, and it will reduce the cost of adaptation
Summary
The changing patterns of climate factors adversely affect the social, economic and environmental agents all over the world. Average precipitation is expected to increase globally (IPCC, 2001), but the magnitude of regional precipitation changes as well as varies among models: with the range 0-50% where the direction of change is strongly indicated, and around -30 to +30% where it is not. For some areas, it shows a positive trend in the daily intensity and a tendency toward higher frequencies of extreme rainfall in the last few decades (Houghton et al, 1996). All of the projections of the future climate change are based on the extrapolation of current trends with logical assumptions about future emissions of greenhouse gases, prospective economic and industrial growth, population growth, technological progress etc., which are not phenomenon for any particular country , rather they are global concern
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