| 限制沟金针虫向北分布的因子分析 |
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| 引用本文： | 武三安 杨俊芸. 限制沟金针虫向北分布的因子分析[J]. 山西农业大学学报(自然科学版), 1995, 15(1): 45-48 |
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| 作者姓名： | 武三安 杨俊芸 |
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| 作者单位： | 山西农业大学植保系，太谷县农业局农技推广中心 |
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| 摘 要： | 本文通过对沟金针虫在西北地区的分布状况与分布区和非分布区的食物、土壤、温度、降水量、地形和地势等因子的比较和分析，初步认为冬季低温是沟金针虫向北分布的限制因子，其界限温度为一月份平均温度－６℃。
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| 关 键 词： | 沟金针虫，限制因子，冬季低温 |
AN ANALYSIS OF LIMITING FACTOR OF NORTHWARD SPREAD OF PLEONOMUS CANALICULATUS FALDERMAN |
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| Wu Sanan et al. AN ANALYSIS OF LIMITING FACTOR OF NORTHWARD SPREAD OF PLEONOMUS CANALICULATUS FALDERMAN[J]. Journal of Shanxi Agricultural University(Nature Science Edition), 1995, 15(1): 45-48 |
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| Authors: | Wu Sanan et al |
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| Abstract: | In this paper, the relationship between distribution of Pleonomus canaliculatus Falderman and environmental factors such as food, soil, temperature, and rainfall etc. are analyzed. The result indicate: the northward spread of wheat wireworm is checked by cold winter, denoted by a line of -60 mean temperature in January. |
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| Keywords: | Pleonomus canaliculatus Limiting factor mean temperature in January |
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