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[1]WU Yan-zhuo,QIN Ji-hong,SUN Hui,et al.The Ecological Restoration of Plant Communities of Earthquake-Damaged Sites of Longmen Mountains in Pengzhou：A Preliminary Study[J].Research of Soil and Water Conservation,2012,19(03):140-146.

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The Ecological Restoration of Plant Communities of Earthquake-Damaged Sites of Longmen Mountains in Pengzhou：A Preliminary Study

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 19 Number of periods: 2012 03 Page number: 140-146 Column: Public date: 2012-06-20

Title:: The Ecological Restoration of Plant Communities of Earthquake-Damaged Sites of Longmen Mountains in Pengzhou：A Preliminary Study

Author(s):: WU Yan-zhuo¹, QIN Ji-hong², SUN Hui¹, WANG Qin¹; 1. Department of Environmental Science and Engineering, Sichuan University, Chengdu 610065, China;
2. Department of Environmental Engineering, College of Urban and Rural Construction, Chengdu University, Chengdu 610106, China

Keywords:: ecological restoration; community ecology; biodiversity; soil organic carbon fractions

CLC:: Q948.15⁺5

DOI:: -

Abstract:: The devastation resulting from Wenchuan earthquake caused the largest number of casualties and injuries, and the most serious damage of social property and destruction of local ecosystems and environment. Restoration communities of 4 types of typical plots of earthquake site, i.e., (Earthquake wound bareland), bare mud-rock flow (Large debris flow alluvial fan), landslide (Overall decline), and residence (Resettlement in post-disaster), had been investigated in Pengzhou in summer 2011, and biodiversity indices and soil organic carbon fractions of communities had been analyzed to determined ecological restoration status of these earthquake-damaged sites after 3 years of the Wenchuan earthquake. The results showed that restoration of communities under different status of destroy influenced by the earthquake showed that the diversity index in these plots followed the sequence of landslides alluvial fan>landslide>earthquake landslides>resident settlements, the diversity index of residents settlements was significantly different from the others, and with a low similarity. The result showed that this type of community recovery to native community might take longer. The change trends of organic carbon content in soil was in the order of landslides alluvial fan>landslide>Earthquake Landslides. Microbial biomass carbon and easily oxidizable carbon contents were in the order of landslide>landslides alluvial fan>earthquake landslides, and dissolved organic carbon content was in the order of earthquake landslides>bare mud-rock flow>landslide, which indicateed that there were differences among the restoration process of different components of soil carbon in different trace-land.

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