Lu Weikun, Li Meng, Hu Xueqiong, et al. Impact of climate change on potential planting areas of rubber trees in Yunnan. J Appl Meteor Sci, 2023, 34(3): 379-384. DOI:  10.11898/1001-7313.20230311.
Citation: Lu Weikun, Li Meng, Hu Xueqiong, et al. Impact of climate change on potential planting areas of rubber trees in Yunnan. J Appl Meteor Sci, 2023, 34(3): 379-384. DOI:  10.11898/1001-7313.20230311.

Impact of Climate Change on Potential Planting Areas of Rubber Trees in Yunnan

DOI: 10.11898/1001-7313.20230311
  • Received Date: 2023-01-10
  • Rev Recd Date: 2023-03-13
  • Publish Date: 2023-05-31
  • Based on the meteorological observations since 1981, the impact of climate change on rubber tree planting in Yunnan is analyzed from the aspect of the climatic suitability of rubber tree. The results show that annual average temperature of the main rubber producing counties in the south and east increases by 0.6-0.8℃ in most areas, and more than 1.0℃ in most areas in the west. In January, the average temperature in most areas of the main rubber producing counties in the east of the Ailao Mountain increases by 0-1.0℃, while that in the west increases by 1.0-2.0℃ in the 2010s compared with the 1980s. At the same time, the most suitable and suitable climate area for rubber tree planting increase by 55.3% and 18.6%, respectively. The increased areas are mainly distributed in the west of the Ailao Mountain, indicating that the west area of the Ailao Mountain is more suitable for rubber tree planting due to climate change.
  • Fig. 1  Annual average temperature change between the 2010s and the 1980s(unit: ℃)

    (areas in green lines are rubber planting counties, similarly hereinafter)

    Fig. 2  January average temperature change between the 2010s and the 1980s(unit: ℃)

    Fig. 3  Annual precipitation change between the 2010s and the 1980s(unit: mm)

    Fig. 4  Comparison of climatic suitability regionalization of rubber tree planting in Yunnan Province in the 1980s(a) and the 2010s(b)

    Table  1  Climatic suitability regionalization index of rubber tree planting in Yunnan

    区划指标因子 最适宜 适宜 次适宜 不适宜
    年平均气温/℃ >20.0 19.1~20.0 18.0~19.0 < 18.0
    1月平均气温/℃ >15.0 12.1~15.0 10.0~12.0 < 10.0
    年降水量/mm >1800 1301~1800 1000~1300 < 1000
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    Table  2  Potential planting area of rubber tree from 1981 to 2020(unit: 106 hm2)

    年份 次适宜 适宜 最适宜
    1981—1990年 1.58 1.45 1.59
    1991—2000年 1.72 1.60 1.89
    2001—2010年 1.79 1.73 2.27
    2011—2020年 1.78 1.72 2.47
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    • Received : 2023-01-10
    • Accepted : 2023-03-13
    • Published : 2023-05-31

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