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相关领域：天文地球农业科学更多>>
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相关机构：北京师范大学中国科学院东北师范大学中国科学院植物研究所更多>>
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Determination of forest communities on the basis of small plots(microplots)within the geomorphologically diverse landscape of the Kras plateau(Italy,Slovenia)
《Forest Ecosystems》2025年第2期265-274,共10页Aljaz Jakob Mateja Breg Valjavec Andraz Carni 
supported by the Slovenian Research and Innovation Agency(grant numbers ARIS P1-0236,ARIS P6-0101,ARIS J6-2592).
The article deals with forest communities that develop on small surfaces on steep gradients of the geomorphologically diverse landscape of the Kras plateau.They appear in small depressions called dolines,where a steep...
关键词：DOLINE Expert system Forest Karst k-means REFUGIUM TRANSECT Vegetation 
Maize crop residue cover mapping using Sentinel-2 MSI data and random forest algorithms
《International Soil and Water Conservation Research》2025年第1期189-202,共14页Jia Du Pierre-Andre Jacinthe Kaishan Song Longlong Zhang Boyu Zhao Hua Liu Yan Wang Weijian Zhang Zhi Zheng Weilin Yu Yiwei Zhanga Dapeng Jiang 
jointly supported by the National Key Research and Development Program of China(2021YFD1500103);the Science and Technology Project for Black Soil Granary(XDA28080500);the National Science&Technology Fundamental Resources Investigation Program of China(2018FY100300).
The return of crop residues to cultivated fields has numerous agronomic and soil quality benefits and,therefore,the areal extent of crop residue cover(CRC)could provide a rapid measure of the sustainability of agricul...
关键词：Random forest algorithm Maize residue cover Sentinel-2 remotely sensed data Line-transect method Photographic method 
Atmospheric Sulfur and Nitrogen Deposition in Five Nature Reserves of Sichuan Basin to Qinghai-Tibetan Plateau Transect Region,Southwest-ern China
《Chinese Geographical Science》2024年第6期1060-1072,共13页XU Zhongjun SHU Xi YANG Han FU Liqiang LIU Tingting XIA Zhonglin QIAO Xue TANG Ya 
Under the auspices of National Natural Science Foundation of China(No.41929002);Science and Technology Department of Sichuan Province(No.2021YFS0338)。
Enhanced sulfur and nitrogen deposition has been observed in many transect regions worldwide,from urban/agricultural areas to mountains.The Sichuan Basin(SCB),with 18 prefectural cities,is the most economically-develo...
关键词：acid deposition ion exchange resin critical load ACIDIFICATION EUTROPHICATION Sichuan Basin to Qinghai-Tibetan Plateau transect region China 
Ancient genomic time transect unravels the population dynamics of Neolithic middle Yellow River farmers
《Science Bulletin》2024年第21期3365-3370,共6页Shiwei Li Rui Wang Hao Ma Zheng Tu Limin Qiu Haodong Chen Li Jiang Yuezu Geng Hai Liu Jifeng Wang Qu Shen Li Jin Caixia Li Chuan-Chao Wang Xingtao Wei 
funded by the National Natural Science Foundation of China(T2425014,32270667,and 82171870);the National Key Research and Development Program(2023YFC3303701,2022YFC3341004);HenanProvincial Social ScienceFund(2022BKG002);the Natural Science Foundation of Fujian Province of China(2023j06013);the Major Project of the National Social Science Foundation of China granted to Chuan-Chao Wang(21&ZD285);Open Research Fund of State Key Laboratory of Genetic Engineering at Fudan University(SKLGE-2310);Open Research Fund of Forensic Genetics Key Laboratory of the Ministry of Public Security(2023FGKFKT07);Major Special Project of Philosophy and Social Sciences Research of the Ministry of Education(2022JZDZ023).
In 1921,Swedish geologist Andersson and his Chinese colleagues carried out thefirst excavation of the Yangshaocun site in Sanmenxia City of central China’s Henan Province[1].Archaeologists reached a consensus that the...
关键词：CULTURE dated ANCIENT 
Araucaria araucana Forests in Argentina: Exploring Floristic and Ecological Variability along a West-East Transect
《Open Journal of Forestry》2024年第4期433-450,共18页Eduardo Martínez Carretero Ana Navas Romero Andrea Duplancic Marcela Ontivero Jorge Alcalá Jauregui 
In Argentina, the Araucaria araucana forest occupies a vast area in the Northwest of Patagonia, following a pronounced gradient of increasing xericity from west to east over a short distance. These forests have been t...
关键词：Forest Floristic Identity Rocky Outcrops Xericity 
The Performance of Downward Shortwave Radiation Products from Satellite and Reanalysis over the Transect of Zhongshan Station to Dome A, East Antarctica
《Advances in Atmospheric Sciences》2024年第8期1574-1588,1671-1675,共20页Jiajia JIA Zhaoliang ZENG Wenqian ZHANG Xiangdong ZHENG Yaqiang WANG Minghu DING 
supported by the National Natural Science Foundation of China (Grants Nos.42122047 and 42306270);the Basic Research Fund of the Chinese Academy of Meteorological Sciences (Grant Nos.2021Z006 and 2023Z013)。
The downward shortwave radiation(DSR) is an important part of the Earth's energy balance, driving Earth's system's energy, water, and carbon cycles. Due to the harsh Antarctic environment, the accuracy of DSR derived ...
关键词：downward shortwave radiation East Antarctic reanalysis product satellite product validation 
Corrigendum to“Grain-size and compositional variability of Yarlung Tsangpo sand(Xigaze transect,south Tibet):Implications for sediment mixing by fluvial and aeolian processes”[Journal of Palaeogeography 12(2)(2023)195-210]
《Journal of Palaeogeography》2024年第2期374-374,共1页
Precipitation regulated soil nematode community and footprint in cropland ecosystems
《Soil Ecology Letters》2023年第4期19-28,共10页Pingting Guan Jianan Li Cao Hao Jingjing Yang Lihong Song Ximei Niu Ping Wang Mohammad Mahamood Donghui Wu 
supported by the National Science and Technology Fundamental Resources Investigation Program of China(2018FY100300);the National Natural Science Foundation of China(No.41807046);the Youth Talent Promotion Project of Jilin Province(QT202230).
●Nematode abundance and footprint show unimodal patterns with precipitation levels.●MAP governed nematode diversity along the precipitation gradient of agroecosystem.●Soil pH determined nematode abundance and footp...
关键词：soil nematode community nematode carbon flux the Northeast China Transect agricultural ecosystem PRECIPITATION 
Predicting community traits along an alpine grassland transect using field imaging spectroscopy
《Journal of Integrative Plant Biology》2023年第12期2604-2618,共15页Feng Zhang Wenjuan Wu Lang Li Xiaodi Liu Guangsheng Zhou Zhenzhu Xu 
This work wassupported by the Second Tibetan Plateau ScientificExpedition and Research(STEP)program(2019QZKK0106);the Strategic Priority Research Program of Chinese Academy of Sciences(XDA26020103);Fengyun Application Pioneering Project(FY-APP-2021.0401).
Assessing plant community traits is important for understanding how terrestrial ecosystems respond and adapt to global climate change.Field hyperspectral remote sensing is effective for quantitatively estimating veget...
关键词：aboveground net primary productivity canopy chlorophyll content canopy leaf nitrogen concentration fractional vegetation cover hyperspectral remote sensing Tibetan Plateau 
Nitrogen transformation processes in soil along a High Arctic tundra transect
《Advances in Polar Science》2023年第2期105-124,共20页GUO Mengjie WANG Qing ZHANG Wanying JIAO Yi SUN Bowen HOU Lijun ZHU Renbin 
This study was funded by the National Key Research and Development Program of China(Grant no.2020YFA0608501);the National Natural Science Foundation of China(Grant no.41976220);the State Key Laboratory of NBC Protection of Civilians(Grant no.SKLNBC2020-10).
Soil nitrogen(N)transformation processes in the High Arctic tundra are poorly understood even though nitrogen is one of the main limiting nutrients.We analyzed soil samples collected along a High Arctic tundra transec...
关键词：Arctic tundra soil nitrogen transformation NITRIFICATION DENITRIFICATION functional gene abundance ammonia-oxidizing archaea 
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