残塬沟壑区果园复合种植对土壤动物群落特征的影响
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作者单位:

(1.内蒙古农业大学沙漠治理学院,内蒙古 呼和浩特 010019;2.西北农林科技大学林学院,陕西 杨凌 712100)

作者简介:

任小同(1995-),男,山西省河津市人,在读硕士,研究方向为水土保持与荒漠化防治。E-mail:15034772305@163.com。

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基金项目:

基金项目:国家重点研发计划项目课题(2017YFC0504605)。


Community composition and structure of soil animals under cropping patterns in orchards of loess residual plateau and gully area
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(1.Desert Science andEngineeringCollege,Inner Mongolia AgriculturalUniversity,Hohhot010019;2.College ofForestry,NorthwestAgriculture and ForestryUniversity,Yangling712100)

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    摘要:

    为了解苹果复合种植即果 -蔬[MB]、果 -草[MH]、果 -荒[MW]、果 -粮[MZ]模式下土壤动物群落结构特征,采用手拣法和改良干、湿生漏斗法,对黄土残塬沟壑区苹果园 4种复合种植模式下的土壤动物群落组成及特征进行调查研究。4种模式下共分离得到土壤动物 57.33百只/m 2,隶属4门11纲23目42个类群。4种复合种植模式下土壤动物个体密度和类群数的垂直分布特征表现出明显的表聚特征,水平分布特征表现为果 -草[MH]>果 -蔬[MB]>果 -荒[MW]≥果 -粮[MZ]。果 -草[MH]复合种植模式下土壤动物的多样性指数、均匀度指数及丰富度指数最高,优势度指数最低,表明 4种复合种植模式对果园土壤动物类群多样性的影响呈现不同的特征。研究结果可为黄土残塬沟壑区苹果果园生物多样性保护提供土壤动物生态学依据。

    Abstract:

    To understand the community structure of soil fauna under Apple complex planting{Malus -Brassica[MB], Malus-Herbage[MH],Malus -Wild[MW],Malus -Zeamays[MZ]},the composition and characteristics of soil fauna community in apple orchards under the four combined planting modes were investigated by hand-picking method and improved dry-wet funnel method.A total of 57.33 animals/m 2soil was isolated under the four modes,belonging to 42 groups of 23orders,11 classes and 4phyla.The vertical distribution characteristics of individual density and population of soil faunaunder four intercropping patterns showed obvious aggregationcharacteristics.The horizontal distribution characteristics wereMH>MB>MW>MZ.The shannon -wienerindex,pielou index and simpson index of soil fauna were the highest and margalefindex was the lowest under MH intercroppingmode,which indicated that the effects of four intercropping modes on diversityof soil fauna in orchards weredifferent.The results can provide soil animal ecological basis for the biodiversity conservation of apple orchards in the gully region of the loess plateau.

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任小同,秦富仓,王迪海,王树森,马鑫,台辉.残塬沟壑区果园复合种植对土壤动物群落特征的影响[J].中国土壤与肥料,2020,(1):188-194.

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  • 收稿日期:2019-03-06
  • 最后修改日期:
  • 录用日期:2019-06-22
  • 在线发布日期: 2020-03-30
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