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Volume 31 Issue 1
Mar.  2012
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Article Navigation >  CARSOLOGICA SINICA  > 2012  >  31(1): 12-15
LIU Xiao-yu, XIE Shi-you, LI Yong, HANG Yuan-zhu. Study on the ecological benefit of Lippia nodiflora (L.)Greene in karst mountain[J]. CARSOLOGICA SINICA, 2012, 31(1): 12-15. doi: 10.3969/j.issn.1001-4810.2012.01.003
Citation: LIU Xiao-yu, XIE Shi-you, LI Yong, HANG Yuan-zhu. Study on the ecological benefit of Lippia nodiflora (L.)Greene in karst mountain[J]. CARSOLOGICA SINICA, 2012, 31(1): 12-15. doi: 10.3969/j.issn.1001-4810.2012.01.003
shu

Study on the ecological benefit of Lippia nodiflora (L.)Greene in karst mountain

doi: 10.3969/j.issn.1001-4810.2012.01.003
  • 1.

    School of Geographical Science, Southwest University

  • 2.

    School of Geographical Science, Southwest University；Key Laboratory of the Three-Gorge Reservoir Region’s Eco-Environment of the Ministry of Education, Southwest University

  • Received Date: 2011-07-26
  • Publish Date: 2012-03-25
    Abstract
  • A high quality Japanese species - Lippia nodiflora(L.)Greene is introduced for the first time to be planted for eco-rehabilitation in karst mountain in the paper. The ecological benefitis discussed in the pa per through studying the coverage, root system characteristics, runoff and erosion resistance, whereby seeking eco-rehabilitation ways for fragile ecosystem and providing scientific basis for planting and popularizing Lippia nodiflora(L.)Greene in karst mountain. The experiments show that the amount of runoff will drop after planting Lippia nodiflora(L.)Greene, and the amount of surface runoff reduces by 62% from110 mm to 42 mm 3 months later. Under same rainfall intensity and capacity, the erosion amount in Lippia nodiflora(L.)Greene land counts to only5.60%~5.83% of that in traditional farming lands, and that the root system grows faster, gets denser and more. After planting90 days, the Lippia nodiflora(L.)Greene has covered100% of the ground surface. The experiments prove that Lippia nodiflora(L.)Greene is good for eco-rehabilitation and can improve efficiently the ecosystem and landscape in karst mountain.

     

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