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浏览/检索结果: 共18条，第1-10条 帮助 限定条件 发表日期：2015    专题：北京大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Response of aboveground biomass and diversity to nitrogen addition along a degradation gradient in the Inner Mongolian steppe, China 期刊论文 SCIENTIFIC REPORTS, 2015 Xu, Xiaotian; Liu, Hongyan; Song, Zhaoliang; Wang, Wei; Hu, Guozheng; Qi, Zhaohuan 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 SOIL PHYSICAL-PROPERTIES  ECOSYSTEM STABILITY  SEMIARID GRASSLAND  PRAIRIE GRASSLANDS  SPECIES RICHNESS  TEMPERATE STEPPE  LOESS PLATEAU  PLANT  DEPOSITION  BIODIVERSITY   Climate and native grassland vegetation as drivers of the community structures of shrub-encroached grasslands in Inner Mongolia, China 期刊论文 LANDSCAPE ECOLOGY, 2015 Chen, Leiyi; Li, He; Zhang, Pujin; Zhao, Xia; Zhou, Luhong; Liu, Taoyu; Hu, Huifeng; Bai, Yongfei; Shen, Haihua; Fang, Jingyun 收藏  |  浏览/下载：2/0  |  提交时间：2017/12/03 Arid and semi-arid area  Climate  Community structure  Geographic pattern  Grassland  Shrub encroachment  Shrubby grassland  Shrubland  WOODY PLANT INVASION  SPECIES RICHNESS  INVASIBILITY  CARBON  ECOSYSTEM  GRADIENT  DIVERSITY  PATTERNS  STEPPE  WATER   Shifts in community leaf functional traits are related to litter decomposition along a secondary forest succession series in subtropical China 期刊论文 JOURNAL OF PLANT ECOLOGY, 2015 Eichenberg, David; Trogisch, Stefan; Huang, Yuanyuan; He, Jin-Sheng; Bruelheide, Helge 收藏  |  浏览/下载：5/0  |  提交时间：2017/12/03 secondary forest succession  BEF-China  nutrient cycling  plant polyphenols  multiple regression analysis  OLD-FIELD SUCCESSION  LAND-USE CHANGE  PLANT TRAITS  RAIN-FOREST  NUTRIENT DYNAMICS  TEMPERATE FOREST  TREE SEEDLINGS  DIVERSITY  ECOSYSTEMS  VARIABILITY   Different Effects of Regional Species Pool on Plant Diversity between Forest and Grassland Biomes in Arid Northwest China 期刊论文 PLOS ONE, 2015 Li, Liping; Liu, Yining; Wang, Xiangping; Fang, Jingyun; Wang, Qingchun; Zhang, Bengang; Xiao, Peigen; Mohammat, Anwar; Terwei, Andre 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 EVOLUTIONARY HISTORY  GLOBAL PATTERNS  MOIST FORESTS  RICHNESS  COMMUNITIES  CLIMATE  SCALE  COEXISTENCE  HYPOTHESIS  GRADIENT   A physical explanation for the magnetic decrease ahead of dipolarization fronts 期刊论文 ANNALES GEOPHYSICAE, 2015 Yao, Z. H.; Liu, J.; Owen, C. J.; Forsyth, C.; Rae, I. J.; Pu, Z. Y.; Fu, H. S.; Zhou, X.Z.; Shi, Q. Q.; Du, A. M.; Guo, R. L.; Chu, X. N. 收藏  |  浏览/下载：2/0  |  提交时间：2017/12/03 Magnetospheric physics  current systems  magnetotail  plasma sheet  SUBSTORM CURRENT WEDGE  CENTRAL PLASMA SHEET  BURSTY BULK FLOWS  CURRENT DISRUPTION  FLUX TRANSPORT  MAGNETOTAIL  EARTH  TAIL  SIMULATIONS  EVOLUTION   Characterising the metamorphic discontinuity across the Main Central Thrust Zone of eastern-central Nepal 期刊论文 journal of asian earth sciences, 2015 Wang, Jiamin; Zhang, Jinjiang; Wei, Chunjing; Rai, SantaMan; Wang, Meng; Qian, Jiahui 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/10 Main Central Thrust Zone  Metamorphic discontinuity  Pseudosection  P-T path  HIGHER HIMALAYAN CRYSTALLINES  EFFECTIVE BULK-COMPOSITION  TEMPERATURE-TIME PATHS  P-T CONDITIONS  INVERTED METAMORPHISM  CHANNEL FLOW  STRUCTURAL GEOMETRY  MINERAL EQUILIBRIA  MIXING PROPERTIES  SOUTHERN TIBET   Analytic Structure of the SCFT Energy Functional of Multicomponent Block Copolymers 其他 2015-01-01 Jiang, Kai; Xu, Weiquan; Zhang, Pingwen 收藏  |  浏览/下载：110/0  |  提交时间：2017/12/03 Multicomponent block copolymers  saddle point approximation  SCFT energy functional  gradient-based iterative methods  ABC star triblock copolymers  CONSISTENT-FIELD THEORY  TRIBLOCK COPOLYMERS  GAUSSIAN INTEGRALS  DIBLOCK COPOLYMERS  ASYMPTOTIC ANALYSIS  ORDERED PHASES  MINIMUM POINTS  MELTS  STABILITY  POLYMERS   Efficient numerical schemes for solving the self-consistent field equations of flexible-semiflexible diblock copolymers 其他 2015-01-01 Liang, Qin; Jiang, Kai; Zhang, Pingwen 收藏  |  浏览/下载：2/0  |  提交时间：2017/12/03 flexible-semiflexible diblock copolymers  self-consistent field theory  pseudo-spectral method  semi-implicit scheme  conjugate gradient method  hybrid scheme  BLOCK-COPOLYMERS  BEHAVIOR   Automatic color-to-gray conversion for digital images in gradient domain 其他 2015-01-01 Hao, Lu; Feng, Jie; Zhou, Bingfeng 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 Large-field high-resolution two-photon digital scanned light-sheet microscopy 期刊论文 细胞研究英文版, 2015 Zong, Weijian; Zhao, Jia; Chen, Xuanyang; Lin, Yuan; Ren, Huixia; Zhang, Yunfeng; Fan, Ming; Zhou, Zhuan; Cheng, Heping; Sun, Yujie; Chen, Liangyi 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/13 ACOUSTIC GRADIENT-INDEX  LENS