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[1]ZHANG Zhen-guo,HUANG Jian-cheng,JIAO Ju-ying,et al.Analysis on Erosion Resistance of Different Vegetation Communities in Abandoned Lands in An’sai Hilly-gully Loess Region[J].Research of Soil and Water Conservation,2008,15(01):28-31.

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Analysis on Erosion Resistance of Different Vegetation Communities in Abandoned Lands in An’sai Hilly-gully Loess Region

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 15 Number of periods: 2008 01 Page number: 28-31 Column: Public date: 2008-02-20

Title:: Analysis on Erosion Resistance of Different Vegetation Communities in Abandoned Lands in An’sai Hilly-gully Loess Region

Author(s):: ZHANG Zhen-guo^1,4, HUANG Jian-cheng², JIAO Ju-ying^1,3, BAI Wen-juan^1,4; 1. Institute of Soil and Water Conservation, CAS & MWR, Yangling, Shaanxi 712100, China;
2. Academy of Ningxia Agro-forestry Science Resource and Environment Institute, Yinchuan 750001, China;
3. Institute of Soil and Water Conservation, Northwest A & F University, Yangling, Shaanxi 712100, China;
4. Graduate School of the Chinese Academy of Sciences, Beijing 100049, China

Keywords:: abandoned land; vegetation restoration; erosion resistance; soil and water conservation

CLC:: S157.1

DOI:: -

Abstract:: The study on anti-erodibility of different vegetation communities in the Zhifanggou basin of Ansai county, a national experimental site in hilly and gully region on the plateau, shows that (1) From soil organic matter contents index, the anti-erodibility of native lands and Sophora viciifolia is among the best and then artificial forests which include Robinia psendoacacia and Hippophae rhamnoides, Artemisia scoparia and cropland are the weakest.(2) From soil aggregation degree and soil dispension degree and dispension cofficient index, Robinia psendoacacia and Rosa xanthina are among the strongest, Artemisia scoparia and cropland are the weakest.(3) From the coverage of biological soil crusts index, soil erosion resistance is Artemisia giraldii>Artemisia gmelinii>Artemisia scoparia.(4) From the amount of soil erosion index, Robinia psendoacacia and Hippophae rhamnoides are among the best, Artemisia scoparia is the weakest.In all soil erosion resistance is Sophora viciifolia >Robinia psendoacacia, Rosa xanthina, Hippophae rhamnoides>Caragana intermedia>Bothriochloa ischaemum, Artemisia giraldii>Artemisia gmelinii>Artemisia scoparia, cropland.The anti-erodibility of anandoned lands is getting stronger and stronger as the ages increase, approaching that of communities of native lands.The soil erosion resistance of Sophora viciifolia, Robinia psendoacacia and Hippophae rhamnoides is the best, Artemisia scoparia is the weakest, the soil erosion resistance of cropland is needed to be enhanced.

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