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| 1 | Vegetation patterns and nature reserve construction in an extremely-arid desert in Anxi, NW China's Gansu Province显示文摘Anxi County is located in the northwestern part of the Hexi Corridor in Gansu Province and has the sole national level nature reserve of extremely arid desert in China. Phytosociological methods (Braun Blanquet, 1964) are used to classify plant community types in this area. Eleven are distinguished, including six of deserts, four of oases and one transitional type between deserts and oases. Direct gradient analysis(DCA) is employed to correlate the distribution of plant communities to physiogeographic conditions. This study makes clear that water is the most important ecological factor for the distribution of plant species and communities in this area. The effects of water have been demonstrated in different ways. A vegetation gradient from lower altitude to higher altitude in the southern part of the reserve is driven by a precipitation gradient. The effects of the depth of ground water table contribute to the differentiation of vegetation from desert to oasis in the flat area. In a finer scale, the washed gullies have obviously higher species richness and also higher vegetation cover than the surround gobi surfaces, possibly caused by the effects of floods. The vegetation patterns demonstrate that the area of Anxi County is a complete landscape unit. The range of the current nature reserve is not large enough for the purpose of conserving the unique biodiversity in this area. | LiuHY XuLH | 2002 | Journal of Environmental Sciences2002，14，3： | 2 |
| 2 | Enrichment of thehydrogen-producing microbial community from marine intertidal sludge by different pretreatment methods 显示文摘 | LiuHY WangGC ZhuD L | 2009 | International Journal of Hydrogen Energy2009，34，24： | 1 |
| 3 | F~rceDistributi~nf~rtheLe~faQuadrupedWa~kingVehic~e显示文摘 | LiuHY WenBC | 1997 | J~urna~fR~boticSystems~1997，14，1： | 1 |
| 4 | Processresearchondetermination,ex-tractionandseparationofcatalpolinRehmanniaglutinosa[J]显示文摘 | LIUHY LIJ LEIY | 2010 | 中医药信息2010，27，1： | 1 |
| 5 | Multifunctional Fe3O4@P (St/MAA)@Chitosan@Au core/shell nanoparticles for dual imaging and photothermal therapy显示文摘 | WangXD LiuHY ChenD MengXW LiuTL FuC H Hao N J Zhang Y Q Wu X L Ren J Tang F Q | 2013 | ACS Applied Materials and Interfaces2013，5，： | 1 |
| 6 | 显示文摘 | 刘红艳(LiuHY) 周健(ZhouJ) | 2012 | 化学进展2012，24，11： | 1 |
| 7 | Cardiovasculareffectofnitricoxideinthebrainstemnucleiofrats显示文摘 | TsengCJ LiuHY LinHC etal | 1996 | Hypertension1996，27，1： | 1 |
| 8 | 显示文摘 | 刘红艳(LiuHY) 周健(ZhouJ) | | 化工进展0，，： | 1 |
| 9 | 显示文摘 | 刘海洋(LiuHY) 胡希明(HuXM) 应晓(YingX) 刘义(LiuY) 黄锦汪(HuangJW) 计亮年(JiLN) | | 无机化学学报0，，： | 1 |
| 10 | 显示文摘 | 刘海洋(LiuHY) 刘兰英(LiuLY) 张雷(ZhangL) 应晓(YingX) 王湘利(WangXL) 江焕峰(JiangHF) 张启光(ZhangQG) | 2007 | 高等学校化学学报2007，28，： | 1 |
| 11 | 显示文摘 | 游丽莉(YouLL) 沈涵(ShenH) 史蕾(ShiL) 张国良(ZhangGL) 刘海洋(LiuHY) 王惠(WangH) 计亮年(JiLN) | 2010 | 中国科学化学2010，40，： | 1 |
| 12 | EstablishmentofskinphotoagingmodelinBALB/emu-tantmouse显示文摘 | LiuHY(刘洪英) GaoXE(高仙娥) YangX(杨西) etal | | 军事医学科学院院刊0，，： | 1 |
| 13 | 显示文摘 | ShiL JiangHF YiW WangHH WangH ZhangL JiLN LiuHY | 2012 | 物理化学学报2012，28，2： | 1 |
| 14 | VulgarisinA,anewditerpenoidwitharare5/6/4/5ringskeletonfrom theChinesemedicinalplantPrunellavulgaris显示文摘 | LiuHY ZhengS LiTL etal | 2014 | OrganicLetters2014，16，10： | 1 |
| 15 | DBF2, acellcy- cle-regulated protein kinase, is physically and functionally asso- ciated with the ccr4 transcriptional regulatory complex 显示文摘 | LIUHY TOYNJH CHIANGYC etal | 1997 | EMBO J1997，16，17： | 1 |
| 16 | Twounprecedented3D metal-organic polyrotaxane frameworks based on a new flexible tri (imidazole) ligand显示文摘 | WuH LiuHY LiuB | 2011 | Cryst Eng Comm2011，13，： | 1 |
| 17 | Chinese frog egg oil control experimental hyperlipidemia andanti-lipid peroxidation显示文摘 | LiuJ(刘洁) QuSC(曲绍春) LiuHY(刘宏雁) etal | | 白求恩医科大学学报0，，： | 1 |
| 18 | Dammarane saponin structure modification progress显示文摘 | LiuHY(刘海宇) ZhangQH(张庆贺) LiuJP(刘金平) etal | 2011 | 中国实验方剂学杂志2011，17，： | 1 |
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