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检索条件"主题词=Human impact"
27 条 记 录,以下是1-10 订阅
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human impact recorded in the sediment of Honghu Lake, Hubei, China
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Journal of Environmental Sciences 2006年 第2期18卷 402-406页
作者: YAO Shu-chun XUE Bin XIA Wei-lan Nanjing Institute of Geography and Limnology Chinese Academy of Sciences Nanjing 210008 China Graduate School of CAS Beijing 100039 China
Vertical profiles of the total organic carbon (TOC), total nitrogen (TN), phosphorus, susceptibilities, elements and partical size were analyzed in a short ^137Cs-dated sediment core collected from Honghu Lake, Ch... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Key changes across valley floors in mountain areas affected by different levels of human impact: a case study of the Ochotnica river catchment in the Polish Carpathians
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Journal of Mountain Science 2024年 第11期21卷 3567-3583页
作者: Agata GOŁĄB Anna MICHNO Doctoral School of Exact and Natural Sciences Jagiellonian UniversityProf.St.Łojasiewicza St 11Cracow 30348Poland Faculty of Geography and Geology Jagiellonian UniveristyGronostajowa St 3Cracow 30387Poland
The goal of this paper was to present knowledge on changes in the morphodynamic structure of the Ochotnica River(Polish Carpathians)and transformations within its active river zone since the end of the 19th *** study ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Micro-site Conditions of Epiphytic Orchids in a human impact Gradient in Kathmandu Valley, Nepal
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Journal of Mountain Science 2012年 第3期9卷 331-342页
作者: Yagya Prasad ADHIKARI Anton FISCHER Hagen Siegfried FISCHER Geobotany Department of Ecology and Ecosystem Management Technische Universitt München Hans-Carl-von-Carlowitz-Platz 2 D-85354 Freising Germany
We studied distribution and site conditions of epiphytic orchids in a gradient of human interference in Kathmandu valley, central Nepal. The aim was to understand the recent distribution pattern of epiphytic orchids, ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
human impact gradients via anthropogenic pollen indicators:insights gleaned from a case study in the Rif Mountains(Northern Morocco)
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Journal of Mountain Science 2024年 第12期21卷 4223-4235页
作者: Aboubakr BOUTAHAR Paloma Cariñanos GONZALEZ Zouhaire LAMRANI Abderrahmane MERZOUKI Biology Ecologyand Health LaboratoryDepartment of BiologyFaculty of Sciences of TetouanAbdelmalek Essaâdi UniversityTetouan 93002Morocco Department of Botany Faculty of PharmacyUniversity of GranadaGranada 18071Spain Andalusian Institute for Earth System Research(IISTA-CEAMA) University of GranadaGranada 18100Spain Biology Environmentand Sustainable Development LaboratoryENSAbdelmalek Essaadi UniversityTetouan 93000Morocco CANN-MED&BALDIYA CROPS SARL Tangier 90010Morocco
Understanding the relationship between modern pollen and vegetation is crucial for interpreting fossil pollen records and assessing human impact on the environment,both of which are essential for effective environment... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Genetic diversity of Mansonia altissima A. Chev. under different regimes of human impact in the Akure Forest Reserve,Nigeria
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Forestry Studies in China 2010年 第4期12卷 193-200页
作者: Akindele AKINNAGBE Oliver GAILING Reiner FINKELDEY Department of Forest Genetics and Forest Tree Breeding Georg August University
Mansonia altissima is an important West African timber tree species. For the purpose of examining the effect of human impact on its genetic diversity, genetic diversity and spatial genetic structure of the species und... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Assessment of human impacts on Vegetation in Built-up Areas in China Based on AVHRR,MODIS and DMSP_OLS Nighttime Light Data,1992–2010
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Chinese Geographical Science 2014年 第2期24卷 231-244页
作者: LIU Qinping YANG Yongchun TIAN Hongzhen ZHANG Bo GU Lei College of Earth and Environmental Sciences Lanzhou University School of Management Tianjin Polytechnic University Key Laboratory of Western China's Environment Systems of the Ministry of Education Lanzhou University Department of Cultural Geography Faculty of Spatial ScienceUniversity of Groningen
Since the reform and opening-up program started in 1978,the level of urbanization has increased rapidly in *** urban expansion and restructuring have had significant impacts on the ecological environment especially wi... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Landscape pattern and its effect on ecosystem functions in Seoul Metropolitan area:Urban ecology on distribution of the naturalized plant species
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Journal of Environmental Sciences 2003年 第2期15卷 199-204页
作者: Sun-Kee Hong In-Ju Song Hyun-Ok Kim Eung-Kyong Lee Environmental Planning Institute Seoul National UniversitySeoul Development InstituteTechnical University BerlinEnvironmental Planning Institute Seoul National University Seoul 151-742 Korea Seoul 100-250 KoreaGermanySeoul 151-742 Korea
During land transformation process in the human history, naturalized plants were introduced to several land use patterns by the different ways of plant itself. Including some naturalized plants that had been contribut... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Denaturing gradient gel electrophoresis fingerprinting of soil bacteria in the vicinity of the Chinese Great Wall Station, King George Island, Antarctica
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Journal of Environmental Sciences 2013年 第8期25卷 1649-1655页
作者: Qi Pan Feng Wang Yang Zhang Minghong Cai Jianfeng He Haizhen Yang Key Laboratory of Yangtze River Water Environment Ministry of Education College of Environmental Science and Engineering Tongji University Jinan Municipal Engineering Design and Research Institute Co. Ltd. Key Laboratory for Polar Science of State Ocean Administration Polar Research Institute of China
Bacterial diversity was investigated in soil samples collected from 13 sites around the Great Wall Station, Fildes Peninsula, King George Island, Antarctica, using denaturing gradient gel electrophoresis (DGGE) of 1... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Rainfall patterns of Algerian steppes and the impacts on natural vegetation in the 20^th century
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Journal of Arid Land 2018年 第4期10卷 561-573页
作者: Fahima BELALA Azziz HIRCHE Serge D MULLER Mahmoud TOURKI Mostefa SALAMANI Mohamed GRANDI TaharAIT HAMOUDA Madjid BOUGHANI Laboratory of Plant Ecology Faculty of Biological SciencesUniversity of Sciences and Technology Houari BoumedieneWilaya 16000Algeria Scientific and Technical Research Center on Arid Regions Biskra 7000Algeria Institute of Evolutionary Sciences University of Montpellier-CNRSMontpellier 34095France Department of Hydraulics University of Badji MokhtarAnnaba 23000Algeria Faculty of Nature Sciences University of Saad DahlabBlida 9000Algeria Faculty of Sciences University of Yahia FaresWilaya 26000Algeria
Since 1960, the steppe regions of North Africa have been subject to an increasing desertification, including the degradation of traditional pastures. The initially dominant species (Artemisia herba-alba, Lygeum spart... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Identifying the sources of organic matter in marine and riverine sediments of Bohai Bay and its catchment using carbon and nitrogen stable isotopes
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Chinese Journal of Oceanology and Limnology 2015年 第1期33卷 204-209页
作者: 张彦 卢学强 刘红磊 刘琼琼 于丹 Tianjin Academy of Environmental Sciences
Carbon and nitrogen stable isotopes are useful tracers for distinguishing marine and terrestrial plant sources of sedimentary organic matter(OM),and for identifying OM from different types of *** analyzing the carbon ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论