Abstract
Maintaining a certain amount of agricultural land and promoting its agricultural land utilization efficiency is essential in a country. Many innovative strategies for adapting to climate change have been implemented in developed countries. To achieve the goal of climate change adaptation for agricultural land, a vulnerability assessment of farmland is indispensable. Based on the research framework of the Intergovernmental Panel on Climate Change, this study applied the structure of exposure, sensitivity, and adaptation to build criteria and conduct an evaluation of a designated area in Southern Taiwan. We identified the key factors of the vulnerability of farmland, through mapping with spatial analysis, and by using geographic information system tools. The main purpose of the application of a vulnerability assessment is not to explicitly describe the status of agricultural land to climate change, but to help local government and farmers to identify the critical area, and to discuss the appropriated adaptive policies. According to the results of the vulnerability assessment of agricultural land, the entire study region can be divided into three patterns: Pattern 1, located in the western coastal zone, filled with various attributes of high vulnerability; Pattern 2, distributed on the central plain region in the east, with complete blocks of agricultural land and low vulnerability; and Pattern 3, located in the central plain region to the west, a region in which areas with various vulnerability levels. The following three types of adaptation strategies for climate change for farmland were established: (1) the enhancement of agricultural production, (2) the maintenance of agricultural production, and (3) the conservation of the agricultural environment. The current results can serve as valuable guidelines for governments to implement feasible local adaptation strategies in the future.
Highlights
Global climate change leads to the occurrence of various phenomena, such as an increase in temperature, change in rainfall frequency, rise in sea levels, decrease in snow-covered areas, and increase in the occurrence of extreme events
Taiwan is located in the subtropical island climate zone, and is extremely sensitive to the effects of climate change
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Summary
Global climate change leads to the occurrence of various phenomena, such as an increase in temperature, change in rainfall frequency, rise in sea levels, decrease in snow-covered areas, and increase in the occurrence of extreme events. The Fourth Assessment Report (AR4) of the Intergovernmental Panel on Climate Change (IPCC) indicated that the impact of climate change can reduce global agricultural productivity, as well as regional water resource shortages in the future, in island countries. Taiwan is located in the subtropical island climate zone, and is extremely sensitive to the effects of climate change. The resulting events may include damage to coastal areas from the rising sea levels, an increase in water supply-demand because of rainfall changes, reduction in agricultural. Iqnutahnitsitcyoonftefxatr,mthlaenadpprersooaucrhcefosrtomeaninsutariendinogmaecsetirctafionodqusaelift-ysuafnfidciqeuncaynthitays obfefcaormmelaansdtrraetseoguicrciess utoe eant sthuerendaotimoneasltilcevfoeol dinsTelafi-wsuaffin.ciency has become a strategic issue at the national level in Taiwan
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