基于GIS的河池市龙滩珍珠李种植气候区划研究

Study on climate regionalization of Longtan pearl plum planting in Hechi City based on GIS

广西壮族自治区河池市多个县(区)的气候和土壤条件有利于种植龙滩珍珠李,区域内大面积推进龙滩珍珠李特色种植产业,但龙滩珍珠李种植受气象因素影响较大,气候的差异使其产量、品质均不同。结合河池市地形地貌及龙滩珍珠李种植的气候特征,通过1960—2019年的气象资料和地理数据信息,采用数理统计方法建立区划模型,利用ArcMap 10.2软件的空间分析进行模型分析,基于GIS进行河池市龙滩珍珠李适宜种植区的划分。结果表明,河池市地形总体上呈西北高东南低的地势,龙滩珍珠李气候种植的最适宜气候区及适宜区基本分布在地势相对高、海拔高度较高的地区,河池境内四大山脉(东风岭、凤凰山、九万大山、都阳山)附近及西北一带均为龙滩珍珠李气候种植的最适宜区,而中部为种植的适宜区,南部平坦及海拔较低的为不适宜区。

The climate and soil conditions of many counties(districts)in Hechi City of Guangxi Zhuang Autonomous Region are con⁃ducive to the cultivation of Longtan pearl plum,and the characteristic cultivation industry of Longtan pearl plum is promoted in a large area in the region,but the planting of Longtan pearl plum is greatly affected by meteorological factors.The yield and quality are differ⁃ent due to the difference of climate.Combined with the topography of Hechi City and the climatic characteristics of Longtan pearl plum cultivation,through the meteorological data and geographic data information from 1960 to 2019,the mathematical statistics method was used to establish the zoning model,and the spatial analysis of ArcMap 10.2 software was used to carry out the model analysis.The suitable planting areas of Longtan pearl plum in Hechi City were divided based on GIS.The results showed that the topography of He⁃chi City was higher in the northwest and lower in the southeast,and the most suitable area and suitable area for climate planting of Longtan pearl plum were basically distributed in the area with relatively high terrain and high altitude.In Hechi City,the four moun⁃tains(Dongfeng mountain,Fenghuang mountain,Jiuwan mountain and Duyang mountain)and the northwest area were the most suit⁃able areas for the climate cultivation of Longtan pearl plum,while the central area was the suitable area,and the southern flat and low altitude area were the unsuitable areas.