庆丰采石场岩质边坡植被恢复状况和土壤特性研究
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国家自然科学基金项目“岩石边坡植被恢复人工土壤动态特征及调控机制研究”(40971057)


Vegetation Restoration and Soil Properties on Rocky Slope in Qingfeng Quarry
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    摘要:

    通过对庆丰采石场人工修复边坡的植被恢复状况和土壤特性进行调查,探讨了土壤理化性质及土壤酶活性与边坡植被恢复状况间的关系,以及影响土壤质量的主要因子,以期为岩石边坡的防护及生态恢复提供可以借鉴的理论依据。结果表明,在人工修复边坡上,无论是物种多样性、群落的结构及稳定性,还是土壤质量等,在短期内都难达到周边自然边坡的状态。土壤性质与修复边坡草本层及木本层植物的Margalef指数、Shannon—Wiener指数、Pielou指数间存在不同程度的相关性,其中草本层植物的物种多样性对土壤含水量、酸性磷酸酶活性、蛋白酶活性影响较大;木本层植物的物种多样性对土壤全磷质量分数、蛋白酶活性影响较大。土壤速效养分、土壤酶活性和土壤有机质等因子是影响土壤质量的主导因子。

    Abstract:

    Through the investigation of the vegetation restoration and soil properties on an artificial-repaired slope in Qingfeng quarry,the relationships among soil physicochemical properties,soil enzyme activities,and vegetation restoration on slope,as well as the dominant factors affecting soil quality were explored so as to provide a theoretical basis for rocky slope protection and eco-restoration.Results showed that with regard to species diversity,plant community structure,and its stability or soil quality,the artificial restoration slope did not rapidly reach the natural state in a short term.There existed different degree correlations among soil properties and the plant indexes of Margalef,Shannon—Wiener,and Pielou when the indexes were applied in the herb and woody layers on the vegetation restoration slope.Species diversity in herb layer had greater impacts on soil water content and the activities of acid phosphatase and protease,while species diversity in woody layer mainly affected total phosphorus and protease activity.Factors like soil available nutrients,soil enzyme activities,and soil organic matter were the dominant factors affecting soil quality.

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尹金珠,朱凯华,史翔宇,韩超,辜彬.庆丰采石场岩质边坡植被恢复状况和土壤特性研究[J].水土保持通报,2012,(1):144-149,155

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  • 收稿日期:2011-04-11
  • 最后修改日期:2011-05-26
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  • 在线发布日期: 2014-11-25
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