Results 11 to 20 of about 2,152,388 (314)

Agroecosystem vulnerability and driving factors in Northeast China. [PDF]

open access: yesPLoS One
To realize the sustainable development of agro-ecology in Northeast China and help our country achieve the goal of wide-area agro-ecological maintenance, this study takes “sensitivity⁃resilience⁃pressure” as the evaluation model, selects 13 evaluation indicators and adopts the principal component analysis method to calculate and grade the vulnerability
Jiang Y, Wang Y, Zheng W, Wang Y.
europepmc   +4 more sources

A Study on the Trade Potential between Northeast China and Countries along the Northeast Passage of the Arctic [PDF]

open access: yesSHS Web of Conferences, 2023
The navigation of the Arctic Channel has brought certain impact on the traditional international trade environment. Northeast China is the closest to the Arctic, so it is of great significance to study whether the future navigation of the new Arctic ...
Shou Jianmin, Yu Han
doaj   +1 more source

Possible Relationships between the Interdecadal Anomalies of Heavy Rainfall under Northeastern China Cold Vortexes and the Sea Surface Temperature (SST)

open access: yesAtmosphere, 2022
As an important component of the East Asian monsoon system, the northeast cold vortex (NECV) exerts a significant impact on weather and climate, especially in Northeast China.
Dan Zhu   +5 more
doaj   +1 more source

Research Progress on Cenozoic Volcano Genesis and Fluid Action in Northeast China

open access: yesFrontiers in Earth Science, 2022
The tectonic evolution of northeast China is closely related to the subduction of the Pacific plate. The dehydration of the slab subduction process produces metasomatic agents that have important effects on the physical and chemical properties of the ...
Yufeng Deng   +10 more
doaj   +1 more source

Soviet Anti-Epidemic Teams in Manchuria and Inner Mongolia, 1947–1949

open access: yesOriental Studies, 2023
Introduction. The issue of Soviet medical assistance to Northeast China in combating plague in 1947–1949 remains understudied in Russia. However, the anti-epidemic teams dispatched by the Soviet Red Cross did make a significant contribution to the ...
Onetov Maksim A.
doaj   +1 more source

Genetic structure of the invasive Colorado potato beetle Leptinotarsa decemlineata populations in China

open access: yesJournal of Integrative Agriculture, 2020
The Colorado potato beetle (CPB), Leptinotarsa decemlineata Say, is an infamous invasive species worldwide. It was first found in Xinjiang Uygur Autonomous Region of China in 1993 and spread to Northeast China in 2013.
Fang-yuan YANG   +3 more
doaj   +1 more source

How to Understand Chinese Foreign Policy and Role in Northeast Asia

open access: yesThe Mongolian Journal of International Affairs, 2014
No abstract available. DOI: http://dx.doi.org/10.5564/mjia.v0i10.118 The Mongolian Journal of International Affairs; Number 10, 2003, Pages 46 ...
Wang Yizhou, Li Dongyang
doaj   +1 more source

Using the Maximal Entropy Modeling Approach to Analyze the Evolution of Sedentary Agricultural Societies in Northeast China

open access: yesEntropy, 2020
The emergence of agriculture and the evolution of sedentary societies are among the most important processes in human history. However, although archeologists and social scientists have long been studying these processes, our understanding of them is ...
Ido Wachtel   +2 more
doaj   +1 more source

Forest change mapping in northeast China using SAR and INSAR data [PDF]

open access: yes, 2011
One of the objectives of Forest Dragon 2 project is the generation of a forest cover change map between 1990s and 2000s for Northeast China based on ERS-1/2 tandem data and ENVISAT ASAR data.
Leiterer, Reik   +9 more
core   +2 more sources

Using GRACE Data to Study the Impact of Snow and Rainfall on Terrestrial Water Storage in Northeast China

open access: yesRemote Sensing, 2020
Water resources are important for agricultural, industrial, and urban development. In this paper, we analyzed the influence of rainfall and snowfall on variations in terrestrial water storage (TWS) in Northeast China from Gravity Recovery and Climate ...
An Qian   +4 more
doaj   +1 more source

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