LU Xiao-jie,ZHANG Ke-bin,LI Rui.The Study on Main Factor about Influence of the Living Beings Form Covers in Agriculture and Animal Husbandry of the North Interlocks[J].Research of Soil and Water Conservation,2007,14(06):1-4.
北方农牧交错带生物结皮的主要影响因子探讨
- Title:
- The Study on Main Factor about Influence of the Living Beings Form Covers in Agriculture and Animal Husbandry of the North Interlocks
- 分类号:
- S154;S157
- 摘要:
- 为了解我国北方农牧交错带影响生物结皮的主要因子，以宁夏盐池为例，采用样线调查法进行结皮及植被调查。通过对外业数据的处理、分析，对北方农牧交错带生物结皮的主要影响因子进行了探讨。结果表明：（1）枯枝落叶的覆盖对结皮的生长具有明显的促进作用，两者呈对数相关关系，相关系数高达0.969。（2）盐池地区植被对生物结皮的影响先促进后抑制。在土壤质地较差的生境条件下，植被对结皮起促进作用。随着环境条件的改善，两者呈明显的线性负相关，相关系数达-0.920。（3）不同的植物种群对生物结皮具有不同的影响，研究区内所调查的不同植物群落下的结皮盖度表现为：结皮盖度（新疆猪毛菜群落）>结皮盖度（茵陈蒿+新疆猪毛菜群落）>结皮盖度（茵陈蒿群落）。（4）干扰减少了生物结皮的覆盖度，从封育区的核心到外围，结皮盖度表现为：核心（完全封育）>边缘（季节封育）>外围（对照区）。
- Abstract:
- In order to understand the main factor about influencing the living beings form covers in agriculture and animal husbandry of the North interlocks, this text takes Yanchi of Ningxia as an example, carries on the survey of forming cover and vegetation with one kind of line form investigation methods.Through engaging in the treatment and analyzing of the data foreign countries, this text has carried on the discussion to main factor about influence of the living beings form covers in agriculture and animal husbandry of the North interlocks.The result shows: (1) The cover of the withered junk has obvious facilitation in forming leather growth, the two present relevant relations of logarithm, and the coefficient correlation is up to 0.969. (2) It’s inhibit on the living beings form covers after promoting about influencing of vegetation in Yanchi areas.The vegetation plays a driving role in the living beings form covers under the environmental condition that the soil texture is worse.With the improvement of the environmental condition, the two present obvious shouldering linearly relevantly, and the coefficient correlation is -0.920. (3) It has different influence that different plant populations form peels to the living beings form covers.The covered degree of knot cover under different plant community investigated in the areas is shown as to:the covered degree of knot cover (the community of Salsola sinkiangensis) >the covered degree of knot cover (the community of Artemisia capillaries+Salsola sinkiangensis) >the covered degree of knot cover (the community of Artemisia capillaries). (4) Disturbance reduced the covered degree of knot cover, from the core of the sealed area to the periphery, the covered degree of knot cover is shown as to:core (the complete seal) >edge (the seasonal seal) >periphery (the contrasting area).
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备注/Memo
收稿日期:2007-1-7。
基金项目:“十五”国家科技攻关项目（2005BA517A04，2005BA517A07）；国家林业局项目（盐池荒漠化定位监测660550）
作者简介:卢晓杰（1982- ），男，在读硕士，主要从事荒漠化防治与监测研究。
通讯作者:张克斌，博士，主要从事荒漠化防治与监测及干旱区环境管理研究。