Climate Suitability Regionalization for Zhongyang Jujube in the Hilly Area of Loess Plateau

doi:10.11924/j.issn.1000-6850.casb15100068

Abstract

Abstract: Based on the meteorological data and geographical information at 32 weather stations from 1985 to 2014 in the coastal region of the Yellow River, by using GIS technology, authors built the climatic division for Zhongyang Jujube in order to provide scientific basis for its industrial structure adjustment and sustainable development. Firstly, through the comprehensive analysis of climate suitability characteristics of Zhongyang jujube, the investigation of climate change impact on its production and the meteorological conditions of key growth periods in typical yield and disaster year in Shaanxi and shanxi, the climate suitability evaluation system of Zhongyang jujube in the Hilly Area of Loess Plateau was established. Next, small grid reckon model was established to calculate the spatial distribution for each regionalization index values in this area. Thus, based on GIS the distribution graph of the climate suitable planting areas of Zhongyang jujube was formed by using comprehensive evaluation method according to the topographic slope. The results indicated that the suitable regions for dried jujube plant are mainly distributed Sin the flood land, river valley areas and hilly sloping land ofScoastalSShaanxiSand ShanxiSthe Yellow River and itsStributaries, with altitude from 730Sto 1100 meters. The northern suitable region may expand the planting area appropriately; The central and southern suitable and sub-suitable areas should adjust the industrial structure, improve the planting crack varieties, while increasing base infrastructure construction to promote the jujube industry healthy and sustainable development in the Loess Plateau.

CLC Number:

S162.2

王志伟 and 陈焕武. Climate Suitability Regionalization for Zhongyang Jujube in the Hilly Area of Loess Plateau[J]. Chinese Agricultural Science Bulletin, 2016, 32(10): 132-138.

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