| 梨上瘿螨越冬空间分布型研究 |
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| 引用本文： | 魏列新,陈应武,梁巧兰,张新虎.梨上瘿螨越冬空间分布型研究[J].甘肃农业科技,2007(4):5-7. |
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| 作者姓名： | 魏列新 陈应武 梁巧兰 张新虎 |
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| 作者单位： | 甘肃农业大学草业学院,甘肃,兰州,730070 |
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| 摘 要： | 对5个梨园梨上瘿螨发生情况的抽样调查结果,经聚集指标、Taylor的幂法则和 Iwao法的统计分析得出,梨上瘿螨越冬自然种群在果园中的空间分布型为聚集分布,其分布的基本成分为个体群;同时建立了梨上瘿螨越冬种群数量调查的理论抽样数量计算公式.
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| 关 键 词： | 梨上瘿螨 越冬 空间分布型 |
| 文章编号： | 1001-1463(2007)04-0005-03 |
| 收稿时间： | 10 28 2006 12:00AM |
| 修稿时间： | 2006年10月28 |
Study on Patial Distribution Patterns of the Natural Overwintering Population of Epitrimerus pyri (Nalepa) |
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| WEI Lie-xin,CHEN Ying-wu,LIANG Qiao-lan,ZHANG Xin-hu.Study on Patial Distribution Patterns of the Natural Overwintering Population of Epitrimerus pyri (Nalepa)[J].Gansu Agricultural Science and Technology,2007(4):5-7. |
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| Authors: | WEI Lie-xin CHEN Ying-wu LIANG Qiao-lan ZHANG Xin-hu |
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| Institution: | College of Grassland Science, Gansu Agricultural University, Lanzhou Gansu ,730070, China |
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| Abstract: | The spatial distribution pattern of the natural overwintering population of Epitrimerus pyri(Nalepa) was analysed by calculating indices of aggregation,parameters of Taylor model and Iwao model.The result indicated that the spatial distribution pattern of the natural overwintering population of Epitrimerus pyri(Nalepa) was aggregate distribution and basic compotent of distribution was individual group.The theoretical sampling quantity formula was determined. |
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| Keywords: | Epitrimerus pyri(Nalepa) Overwintering population Patial distribution patterns |
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