Fine climate regionalization of pepper in Shawan county of Xinjiang based on GIS

doi:10.14088/j.cnki.issn0439-8114.2021.20.010

Abstract

Abstract: Based on the climate data and geographic information data of Shawan county and its surrounding 15 meteorological stations from 1961 to 2018, ArcGIS software, regression analysis and fuzzy mathematics were used to construct fuzzy membership function for index factors such as the average temperature in July, ≥15 ℃ accumulated temperature, the days of minimum temperature ≤0 ℃ from April to May, and the days of maximum temperature ≥35 ℃ from June to August. Taking climate conditions and geographical factors into consideration, the climate resource distribution map and disaster risk level map were reclassified into four levels, namely 1, 2, 3 and 4, and fuzzy superposition was carried out to divide the pepper planting area in Shawan county into the most suitable area, the suitable area, the sub-suitable area and the unsuitable area. The results showed that the most suitable planting areas of pepper in Shawan county were mainly located on both sides of Shawan county railway and Wukui expressway; The suitable areas were in a few areas south of Wukui expressway and most areas north of central part; The sub suitable planting areas were mainly distributed in northern and southern narrow and long areas; The unsuitable planting areas were mainly distributed in northern desert area, southern low mountain and mid high mountain area, in order to improve the planting efficiency, cold tolerant varieties should be selected.

Key words: GIS, refinement, climatic regionalization, Shawan county, pepper

CLC Number:

S162.2

WANG Sen, JING Li-jun, LIU Ji-jiang, LI Zhan-chao, ZHANG Shan-qing. Fine climate regionalization of pepper in Shawan county of Xinjiang based on GIS[J]. HUBEI AGRICULTURAL SCIENCES, 2021, 60(20): 57-61.

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