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[1]ZHAO Chuan-chuan,YANG Ning-gui,LU Qi,et al.Study on the Biomass of Hippophae rhamnoides L.-Forest on Converted Land in Huangshui River at Qinghai Province[J].Research of Soil and Water Conservation,2010,17(04):114-118.

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Study on the Biomass of Hippophae rhamnoides L.-Forest on Converted Land in Huangshui River at Qinghai Province

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 17 Number of periods: 2010 04 Page number: 114-118 Column: Public date: 2010-08-20

Title:: Study on the Biomass of Hippophae rhamnoides L.-Forest on Converted Land in Huangshui River at Qinghai Province

Author(s):: ZHAO Chuan-chuan¹, YANG Ning-gui¹, LU Qi¹, DONG Xu², XIN Wen-rong²; 1. College of Resources & Environment, Shaanxi University of Science and Technology, Xi’an 710021, China;
2. Qinghai Provincial Forest Inventory and Planning Institute, Xi’ning 810008, China

Keywords:: Huangshui river watershed; converted land; Hippophae rhamnoides L.; harvesting of standard tree; biomass

CLC:: S718.542

DOI:: -

Abstract:: Based on the harvesting of standard trees in sample plots,biomasses of Hippophae rhamnoides L.-forest on converted land was studied in Huangshui river at Qinghai province.The results showed that its biomass ranged from 1 895.94kg/hm² to 17 219.54kg/hm².The ration of the biomass of above ground parts is 56.20%～79.25%,and the others is 20.75%～43.80%.The biomass distributing sequence of different organs is root>trunk>branches> leaves.There is a synergistic phenomenon between its biomass and its height,diameter and crown width.The law of biomass increased with the age is consistent with the Logistic growth model,in which 8 a is the fastest growth,the biggest economic factor,and the best period for stand tending.The biomass changes under different site conditions are quite different.Rainfall,soil moisture content and biomass changes were consistent.The single genotype,the ration of the biomass of above ground parts and the index of clonal growth form of the population at high level of soil moisture supply were higher than that of the population at low level of soil moisture supply.

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