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Landscape structures of different rural landscape connectivity in typical plateau karst regions: Taking the Houzhai River area of Anshun City, Guizhou Province as an example

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Ecological Economy 2018年第1期11卷 37-43页

作者： LIN Yan-hua SHI Zheng-tao SU Bin College of Tourism and Geography Yunnan Normal University

Landscape connectivity is important for energy and material flow in ecosystems as well as for the survival of species. The landscape structure influences and reflects the degree of landscape connectivity. In order to study the coupling relationship between landscape structure and connectivity and reveal the succession relationship between its structure and connectivity in the typical karst plateau area. The study analyzed the typical area of Houzhai River in Puding County, Anshun City, Guizhou Province, according to the landscape pattern index and probability landscape connectivity index. The results show:(1) The landscape structure of the study area A is mainly characterized by large patches and uniform distribution. The main land is woodland and cultivated land, and the overall landscape is low fragmentation.(2) The landscape structure of the study area B is mainly characterized by the clustering of a certain type of land cover and the uneven distribution of the patches, for example, cultivated land. Other types of patches are scatteredly distributed, and the overall landscape is highly fragmented.(3) The study area A, B in 100, 500, 1000, 2000, 3000, 5 distance thresholds of landscape connectivity were 1.55, 1.99, 2.26, 2.49, 2.58 and 0.02, 0.10, 0.15, 0.19, 0.20, respectively. The average landscape connectivity is 2. 18 and 0. 13, respectively. Study Area A has a higher degree of landscape connectivity than B. Landscape pattern indicators can represent the landscape structure and probability landscape connectivity index calculates the landscape connectivity in the study area. The results of the study can provide a basis for ecological restoration of plateau karst regions and well-oriented rural development planning.

关键词： plateau karst regions connectivity landscape structures ecological environment

SOME RESULTSON R_2-EDGE-connectivity OF EVEN REGULAR GRAPHS

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Applied Mathematics(A Journal of Chinese Universities) 1999年第3期14卷 366-370页

作者： Xu Junming Dept. of Math., Univ. ofScience and Technology ofChina, Hefei230026.Em ail:XUJM@ *** Dept. of Math. Univ. of Science and Technology of China Hefei

Let Gbe a connected k(≥3)-regulargraph w ith girth g. A setSofthe edgesin G is called an R2-edge-cutifG- Sis disconnected and contains neither an isolated vertex nor a one- degree vertex. The R2-edge-connectivity of G, denoted by λ″(G), is the m inim um cardinality over allR2-edge-cuts, w hich is an im portantm easure for fault-tolerance of com puter intercon- nection netw orks. In this paper, λ″(G)= g(2k- 2) for any 2k-regular connected graph G(≠ K5) that is either edge-transitive or vertex-transitive and g≥5 is given.

关键词： connectivity conditionalconnectivity transitive graphs.

People-to-People connectivity is the Key Foundation for the Implementation of the Belt and Road Initiative

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International Understanding 2018年第4期 35-38页

作者： Jin Xin Duan Jing China Center for Contemporary World Studies

Since it was put forward more than five years ago,the Belt and Road Initiative has become a grand business card of a new round of opening up of China,leading the sound development of economic globalization and promoting the building of a community with a shared future for *** the past five years,the work that facilitates people-to-people connectivity has been carried out in a solid manner.

关键词： People-to-People connectivity the Belt and Road

WORKING TOGETHER FOR PEOPLE-TO-PEOPLE connectivity AND RESULT-ORIENTED IMPLEMENTATION ABOUT THE THEMATIC FORUM ON PEOPLE-TO-PEOPLE connectivity OF THE SECOND BELT AND ROAD FORUM FOR INTERNATIONAL COOPERATION

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Contemporary World 2019年第3期 14-18页

作者： WEI DANDAN CW

On 25 April 2019,guests from around the world gathered together in the blossoming season of spring for the Thematic Forum on People-to-People connectivity of the second Belt and Road Forum for International Cooperation(BRF)held at China National Convention *** event,one of the 12 thematic forums,was organized by the International Department of the CPC Central Committee and co-organized by 17 other ministries including the Office of the Central Guidance Commission for Building Spiritual Civilizations and the National Development and Reform *** attracted 130 plus international guests from 61 countries of five continents.

关键词： connectivity spring WORK

China-New Zealand Friendly Exchanges for Silk Road People-to-People connectivity Successfully Held in New Zealand

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International Understanding 2023年第4期4卷 54-55页

On December 15,2023,China NGO Network for International Exchanges,China Foundation for Peace and Development and New Zealand-China Friendship Society co-hosted China-New Zealand Friendly Exchanges for Silk Road People... 详细信息

关键词： connectivity Zealand Road

Speech by Filipe Jacinto Nyusi, President of Mozambique and the Mozambique Liberation Front at the Thematic Forum on People-to-People connectivity of the Second Belt and Road Forum for International Cooperation

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International Understanding 2019年第1期 22-23页

Your Excellency Minister Song Tao of the International Department,Central Committee of CPC,Your Excellency President Aleksandar Vucic of the Republic of Serbia,Your Excellency State Counsellor Aung San Suu Kyi of the Republic of the Union of Myanmar,Distinguished guests,First of all,please allow me to pay tribute to the fraternal Chinese Communist Party under the wise leadership of General Secretary Xi Jinping.I sincerely thank you for your warm hospitality after the delegation of Mozambique arrived in Beijing.I believe that the distinguished guests here have also received the same warm hospitality from the Chinese *** visit to China once again reflects the desire of the Mozambican people to strengthen communication and cultural exchanges with the Chinese people through the great platform of the Belt and Road Initiative(BRI).

关键词： delegation please connectivity

Strengthening China-Europe connectivity

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China Today 2021年第9期70卷 20-21页

As the COVID-19 pandemic continues to wreak havoc on the economies,politics,and public life worldwide,China and European countries have adhered to the path of openness and *** of the two sides stay in dialogue despite the disruptions which the pandemic has inflicted on bilateral exchanges;and the trade between them remains on track for steady *** has added more certainty factors to the development of both sides and the world at large.

关键词： connectivity continue exchanges

"Silk Road People-to-People connectivity"China-Myanmar Friendly Cultural and Educational Exchanges Held inYangon

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International Understanding 2024年第1期 35-36页

On January 1Oth,at the invitation of the Yangon University of Foreign Languages for its Cultural Exchanges Week,the China Foundation for Peace and Development and the Myanmar Chinese Cooperation&Communication Centre,jointly organised the"Silk Road People-to-People connectivity"China-Myanmar Friendly Cultural and Educational Exchange activity.U Soe Thein,Chief Minister of Yangon Province,Zaw Myint,Deputy Minister of Education of Myanmar,and Kyi Shwin,President of Yangon University of Foreign Languages,attended the activity and delivered speeches.

关键词： jointly connectivity Myanmar

Insular subdivisions functional connectivity in patients with major depressive disorder:a restingstate functional magnetic resonance imaging study

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China Medical Abstracts(Internal Medicine) 2019年第4期36卷 235-236页

作者： CHEN Pan Med Imaging Center 1st Affil HospJinan UnivGuangzhou 510630

Objective To provide a basic profile of resting-state functional connectivity(FC)in unmedicated patients with major depressive disorder(MDD).Methods Fifty unmedicated patients with MDD and 51 healthy controls underwen... 详细信息

关键词： Insular connectivity patients