Climate Conditions for Blueberry Growth in the Great Khingan

doi:10.11924/j.issn.1000-6850.casb20190800565

Abstract

Abstract:

To understand the distribution rule and trend of mean temperature of blueberry growing season and its response to climate change in the Great Khingan region from 1971 to 2014, the authors used the EOF, wavelet analysis and literature review to analyze the variation characteristics of mean temperature in blueberry growing season, the main meteorological disasters and their responses to climate change, based on the daily data of 6 meteorological stations in the Great Khingan region. The results showed that: there was an increase trend of mean temperature of blueberry growing season with 28 and 8 years scale periodic variation. The spatial distribution of the first eigenvector showed the positive trend, while the second and third eigenvectors showed the positive and negative trends, the change of eigenvector was opposite in southeast and northwest, so was in west and east. Climate change had a certain impact on blueberry production, both advantages and disadvantages. The main meteorological disasters of blueberry under the influence of heat conditions were cold damage, frost and low temperature, and rainy and few sunshine in spring, which were expounded by the occurrence and influence. The results could provide references for scientific planning to ensure high quality and yield of blueberry, and avoiding disaster losses.

Key words: Great Khingan, blueberry, wavelet analysis, climate change, growing season, disaster

CLC Number:

Tian Baoxing, Gong Lijuan, Teng Pan, Chen Jing, Yang Fan, Zhang Yang. Climate Conditions for Blueberry Growth in the Great Khingan[J]. Chinese Agricultural Science Bulletin, 2020, 36(27): 99-105.

Figures/Tables 5

References 22

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