海南妃子笑荔枝精细化农业气候区划研究
2021-10-03吕润梁彩红邹海平李伟光白蕤
吕润 梁彩红 邹海平 李伟光 白蕤



摘要在研究海南荔枝生产现状和生态适宜性基础上,密切结合海南荔枝生产实际,分析确定了海南妃子笑荔枝精细化农业气候区划指标。利用38个气象站点(包括20个区域气象站点)气候资料和 DEM数据,采用 GIS 技术对无观测站地区30 m×30 m 网格单元上的气候要素值进行了推算,并利用反距离权重差值法进行残差订正,制作妃子笑荔枝种植气候区划专题图。该区划图划分出海南岛妃子笑荔枝种植的适宜、次适宜和不适宜区,针对各区域气候特点提出了相应建议,为妃子笑荔枝合理布局及趋利避害、提高产量和品质提供气象依据。
关键词妃子笑;荔枝;GIS;海南;区划
中图分类号 S162.3 文献标识码 A DOI:10.12008/j.issn.1009-2196.2021.12.018
Precise Agricultural Climate Regional Planning of Litchi Feizixiao in Hainan
L ü Run1 ,3) LIANG Caihong2 ,3) ZOU Haiping1 ,3) LI Weiguang1 ,3) BAI Rui1 ,3)
(1 Hainan Climate Center, Haikou, Hainan 570203, China;
2 Danzhou Meteorological Service, Danzhou, Hainan 571799, China;
3 Hainan Key Laboratory of South China Sea Meteorological Disaster Prevention and Mitigation , Haikou, Hainan 570203, China)
Abstract The current status and ecological suitability of Litchi ‘Feizixiao in Hainan were analyzed, based on which indexes for precise agricultural climate regional planning of Litchi ‘Feizixiao were selected. The climate data of 38 meteorological stations (including 20 regional meteorological stations) and DEM data in Hainan were used, and the values of climate elements in grid cells with a grid cell size of 30 m ×30 m in the areas without data from the available meteorological stations were interpolated by using GIS. The residuals were corrected by the inverse distance weighting, and a Litchi ‘Feizixiao planting climatic regionalization thematic map was generated by using ArcGIS. The zoning map is divided into suitable area, sub-suitable area and unsuitable area for Litchi ‘Feizixiao planting in Hainan, based on which some suggestions on climate characteristics for each zone in Hainan were put forward to provide reasonable layout and scientific basis for improving yield and quality of Litchi ‘Feizixiao.
Keywords ‘Feizixiao;Litchi ; GIS ; Hainan ; regionalization
荔枝( Litchi chinensis Sonn.)属于无患子科荔枝属植物,是亚热带果树,原产于中国南部。其果实风味好,经济价值和营养价值高,被誉为“果中之珍品”。海南妃子笑荔枝是由广西、广东引进,并经过改良的品种,由于在海南生产关键时期的气象条件与广西、广东不同[1],尤其是自20世纪80年代以来,全球气候变暖,海南暖冬年份明显增多[2],冬季温度高会导致妃子笑荔枝的成花诱导失败,荔枝产量萎缩[3]。此外,低温天气或出现连阴雨以及暴雨天氣过程也会导致妃子笑荔枝的品质与产量明显下降。如果盲目地在次适宜区甚至不适宜区种植,不仅会影响妃子笑荔枝的产量,还会导致果实品质较差、经济效益低。因此,开展海南妃子笑荔枝气候适宜性区划,做好妃子笑荔枝的生产布局、品种调整等措施,以适应气候环境的变化很有必要。……
