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Volume 34 Issue 6
Dec.  2015
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Article Navigation >  CARSOLOGICA SINICA  > 2015  >  34(6): 607-615
WANG Shuai, WANG Jie, LUO Yun-zhong, XIE De-ti, GAO Ming, ZHAO Zhen-yang, CHENG Yang, CAI Yang-yang. Impact of agricultural tourism activities on microbial community structure of soil in karst area：A case research of Tongliang district of Chongqing Huangjuemen Qicaimengyuan[J]. CARSOLOGICA SINICA, 2015, 34(6): 607-615. doi: 10.11932/karst20150610
Citation: WANG Shuai, WANG Jie, LUO Yun-zhong, XIE De-ti, GAO Ming, ZHAO Zhen-yang, CHENG Yang, CAI Yang-yang. Impact of agricultural tourism activities on microbial community structure of soil in karst area：A case research of Tongliang district of Chongqing Huangjuemen Qicaimengyuan[J]. CARSOLOGICA SINICA, 2015, 34(6): 607-615. doi: 10.11932/karst20150610
shu

Impact of agricultural tourism activities on microbial community structure of soil in karst area：A case research of Tongliang district of Chongqing Huangjuemen Qicaimengyuan

doi: 10.11932/karst20150610
  • 1.

    College of Resources and Environment, Southwest University/Agricultural Nonpoint Source Pollution Control Engineering Technology Research Center in the Three Gorges Reservoir

  • 2.

    College of Resources and Environment, Southwest University/Institute of Soil Science, Chinese Academy of Sciences

  • 3.

    College of Resources and Environment, Southwest University

  • 4.

    School of Geographical Sciences, Southwest University

  • Publish Date: 2015-12-25
    Abstract
  • To conduct the matic studies on the impact of agricultural tourism on the ecological environment of soil can provide a theoretical basis for rational development of leisure agriculture tourism and provide a scientific basis for assessing the impact of future agri-tourism activities on the environment.For this study, soil samples were collected on both sides of tour trail in Qicaimengyuan of TongLiang Huangjuemen. Through field investigation, sampling and sample analysis by using phospholipid fatty acid spectrum graph method (PLFAs), the community &composition of soil microorganisms, impact range of agri-tourism and its degree of impact were investigated in this study.The results show that impact range on microbial community structure falls within 4 m (p<0.01),while the soil microbial biomass clearly declines in the direction to the tour trails. Within the scope of that impact of agricultural tourism,the similar tendency between the biomass and touring range commonly occurs in bacteria, Gram-positive bacteria, Gram-negative bacteria and fungi with the distance from the smaller trails have a clear downward trend.This biomass decline also happens in actinomycetes in some areas, but not in protozoa.The analytical results of biodiversity and impact indexes,with data derived from PLFAs analysis, show that Burkholderia bacteria (19: 0 cyclo w8c) is most likely to be affected by the tourism activity, whereas arthrobacter [18: 3 w6c (6,9,12)] is the least affected.And the impact degree is closely related to the percentage of microorganism in the total biomass.The research indicates that agri-tourism activities have caused damage to soil microbial community structure and have affected soil ecological stability.

     

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