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Effects of Climate Change on Climate Suitability of Green Orange Planting in Hainan Island, China

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  • Yanxi Chen

    (Jiangsu Key Laboratory of Agricultural Meteorology, Nanjing University of Information Science and Technology, Nanjing 210044, China
    School of Applied Meteorology, Nanjing University of Information Science and Technology, Nanjing 210044, China)

  • Lixuan Ren

    (College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
    Key Laboratory of Plant Nutrition and Fertilization in the Low-Middle Reaches of the Yangtze River, Ministry of Agriculture, Nanjing 210095, China
    Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource Utilization, Nanjing 210095, China)

  • Yunsheng Lou

    (Jiangsu Key Laboratory of Agricultural Meteorology, Nanjing University of Information Science and Technology, Nanjing 210044, China
    School of Applied Meteorology, Nanjing University of Information Science and Technology, Nanjing 210044, China)

  • Liling Tang

    (Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, China)

  • Jianzhou Yang

    (Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, China)

  • Lei Su

    (Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, China)

Abstract

Hainan Island is endowed with unique climatic and geographical conditions in China. Green orange is a characteristic fruit and plays an important role in local agricultural production of the island. However, few studies have been available regarding the climatic suitability index of green orange planting suitable regions in the island. Based on 30 years (1980 to 2019) of climatic data from 19 meteorological stations in the island, this study established spatial analysis models with topographical data, land use and GIS spatial analysis. Based on climate suitability function, this study established the climate suitability models of temperature, sunshine, precipitation, accumulated temperature and comprehensive suitability model for green orange planting. The Climate suitability index model for green orange planting suitable zoning areas was developed using a natural point segmentation method, and future climate change scenarios were adopted for evaluating the trends of climate suitable areas. The results revealed that the most suitable areas for planting green orange are mainly located at the eastern central region in the island. The climate suitability index ranged from 0.9 to 1.0 in the most suitable regions. The suitable area is mainly distributed in the eastern part, most of the central and western parts of the island, with the climate suitability index ranging from 0.7–0.9. However, the population density in the area is large, and the planting land is limited. The sub-suitable area is mainly located in the coastal areas of the western island, and the high-altitude areas in the central and western regions of the island, with the climate suitability index varying from 0.4 to 0.7. The unsuitable area is mainly distributed in the central mountainous area, with the climate suitability index being 0.0–0.4. The suitability of temperature showed decreasing trend, and the suitability of precipitation gradually moved from the east to the central region under future climate change scenarios. This study is helpful in promoting the development and utilization of agricultural resources and the fine zoning of green orange planting climate suitability in the island.

Suggested Citation

  • Yanxi Chen & Lixuan Ren & Yunsheng Lou & Liling Tang & Jianzhou Yang & Lei Su, 2022. "Effects of Climate Change on Climate Suitability of Green Orange Planting in Hainan Island, China," Agriculture, MDPI, vol. 12(3), pages 1-13, February.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:3:p:349-:d:761221
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    References listed on IDEAS

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    1. Stephen J. Fain & Maya Quiñones & Nora L. Álvarez-Berríos & Isabel K. Parés-Ramos & William A. Gould, 2018. "Climate change and coffee: assessing vulnerability by modeling future climate suitability in the Caribbean island of Puerto Rico," Climatic Change, Springer, vol. 146(1), pages 175-186, January.
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