机构

• 地理科学与资源研究所 [5]
• 成都生物研究所 [3]
• 成都山地灾害与环境研... [1]
• 新疆生态与地理研究所 [1]
• 遥感与数字地球研究所 [1]

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• OAI收割 [11]

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• 期刊论文 [5]
• SCI/SSCI论文 [4]
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• 学位论文 [1]

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• 2019 [1]
• 2018 [2]
• 2016 [2]
• 2014 [2]
• 2012 [1]
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学科主题

• Agricultur... [2]
• Environmen... [1]
• 自然地理学 [1]

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浏览/检索结果: 共11条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 气候变化下塔吉克斯坦南部草地生态系统的管理策略 学位论文  OAI收割 北京: 中国科学院大学, 2019 作者:  OKHONNIYOZOV MEKHROVAR   |  收藏  |  浏览/下载：78/0  |  提交时间：2021/12/10 塔吉克斯坦  草原  牧场  气候变化  草地生产力  牧场管理  Tajikistan  Grassland  Pasture  Climate Change  Grass Productivity  Pasture Management   Can abandoned peatland pasture sequestrate more carbon dioxide from the atmosphere than an adjacent pristine bog in Newfoundland, Canada? 期刊论文  OAI收割 AGRICULTURAL AND FOREST METEOROLOGY, 2018, 卷号: 248, 期号: 2018, 页码: 91-108 作者:  Wang, Mei;  Wu, Jianghua;  Lafleur, Peter M.;  Luan, Junwei;  Chen, Huai   |  收藏  |  浏览/下载：34/0  |  提交时间：2020/03/25 Boreal bog  Eddy covariance  CO2 fluxes  Abandoned peatland pasture  Agricultural management  Climate change   Evaluation of gas diffusivity models for no-tilled and tilled volcanic ash soils SCI/SSCI论文  OAI收割 2016 作者:  Guo L. L.;  Nishimura, T.;  Imoto, H.;  Sun, Z. G.   |  收藏  |  浏览/下载：26/0  |  提交时间：2017/11/09 Model evaluation  gas diffusivity model  tillage management  volcanic  ash soil  pore-size distribution  water characteristics  carbon sequestration  undisturbed soil  air permeability  gradient-method  porous-media  coefficient  pasture  tillage   Evaluation of gas diffusivity models for no-tilled and tilled volcanic ash soils SCI/SSCI论文  OAI收割 2016 作者:  Guo L. L.;  Nishimura, T.;  Imoto, H.;  Sun, Z. G.;  Tian J. 收藏  |  浏览/下载：24/0  |  提交时间：2016/12/16 Model evaluation  gas diffusivity model  tillage management  volcanic  ash soil  pore-size distribution  water characteristics  carbon sequestration  undisturbed soil  air permeability  gradient-method  porous-media  coefficient  pasture  tillage   Effects of livestock exclusion and climate change on aboveground biomass accumulation in alpine pastures across the Northern Tibetan Plateau 期刊论文  OAI收割 CHINESE SCIENCE BULLETIN, 2014, 卷号: 59, 期号: 32, 页码: 4332-4340 作者:  Shen, Zhenxi;  Yu, Chengqun;  Zhang, Xianzhou;  Shi, Peili 收藏  |  浏览/下载：34/0  |  提交时间：2014/11/15 Alpine pasture management  Changtang Nature Reserve  Livestock grazing exclusion  Economic group composition  Functional group composition   Effects of livestock exclusion and climate change on aboveground biomass accumulation in alpine pastures across the Northern Tibetan Plateau SCI/SSCI论文  OAI收割 2014 Wu J. S.; Zhang X. Z.; Shen Z. X.; Shi P. L.; Yu C. Q.; Chen B. X. 收藏  |  浏览/下载：41/0  |  提交时间：2014/12/24 Alpine pasture management  Changtang Nature Reserve  Livestock grazing  exclusion  Economic group composition  Functional group composition  plant-species richness  grazing-exclusion  use efficiency  precipitation  gradient  productivity  grasslands  diversity  vegetation  meadow  ecosystems   Effect of grazing on carbon stocks and assimilate partitioning in a Tibetan montane pasture revealed by 13CO2 pulse labeling SCI/SSCI论文  OAI收割 2012 Hafner S.; Unteregelsbacher S.; Seeber E.; Lena B.; Xu X. L.; Li X. G.; Guggenberger G.; Miehe G.; Kuzyakov Y. 收藏  |  浏览/下载：154/0  |  提交时间：2012/09/04 13C pulse labeling  C allocation  grazing exclosure experiment  grazing  intensity  montane Kobresia pasture  Qinghai-Tibetan Plateau  soil  organic carbon  soil respiration  organic-matter  lolium-perenne  climate change  co2  efflux  grassland  management  plateau  plants  root   Mountain pastures and grasslands in the SW Tien Shan, Kyrgyzstan - Floristic patterns, environmental gradients, phytogeography, and grazing impact 期刊论文  OAI收割 JOURNAL OF MOUNTAIN SCIENCE, 2011, 卷号: 8, 期号: 3, 页码: 363–373 Borchardt, Peter; Schickhoff, Udo; Scheitweiler, Sabrina; Kulikov, Maksim 收藏  |  浏览/下载：25/0  |  提交时间：2013/08/12 Central Asia  Classification  Endemics  Gradient Analysis  Grazing impact  Middle Asia  Pasture Management  Ruderals  Transformation Process  Walnut-fruit forest   Land use dynamics and landscape change pattern in Hetao irrigation district, Inner Mongolia, China 会议论文  OAI收割 6th International Symposium on Digital Earth: Data Processing and Applications, Beijing, China, September 9, 2009 - September 12,2009 Zhang, Yinhui; Luo, Yi; Zhao, Wenwu 收藏  |  浏览/下载：27/0  |  提交时间：2014/12/07 This study analyzed spatial and temporal changes in land use in an irrigation district covering an area of 1.7 million ha in Northern China by GIS analyses and also investigated changes in landscape pattern using the landscape structure analysis program FRAGSTATS over the study period from 1986 to 2000. The decreases in farmland and the increases in grassland area mainly resulted from the policy of grain for green and converting slope farmland into pasture from China government. In spite of the efforts to conserve the fragile ecosystem  the land degradation  including soil salinization and grassland degradation  was spreading rapidly. The area of alkali-saline land increased by 22493 ha and about 50555 ha of dense grassland degraded into mid-density grassland. In terms of landscape fragmentation  both farmland and dense grassland showed the tendency of increased fragmentation. Both adverse natural conditions and human activities are responsible for the land degradation expansion in Hetao irrigation district  but the root causes are increasing population pressure and irrational human activities  such as flooding irrigation method and over-grazing. To prevent land degradation from spreading  population control and improvement of the management are prerequisite approaches. 2010 SPIE.