• 제목/요약/키워드: North Asia

검색결과 731건 처리시간 0.022초

Molecular evolutionary analysis reveals Arctic-like rabies viruses evolved and dispersed independently in North and South Asia

  • Yu, Xin;Zhu, Hongwei;Bo, Yongheng;Li, Youzhi;Zhang, Jianlong;Jiang, Linlin;Chen, Guozhong;Zhang, Xingxiao;Wen, Yongjun
    • Journal of Veterinary Science
    • /
    • 제22권1호
    • /
    • pp.5.1-5.16
    • /
    • 2021
  • Background: Arctic-like (AL) lineages of rabies viruses (RABVs) remains endemic in some Arctic and Asia countries. However, their evolutionary dynamics are largely unappreciated. Objectives: We attempted to estimate the evolutionary history, geographic origin and spread of the Arctic-related RABVs. Methods: Full length or partial sequences of the N and G genes were used to infer the evolutionary aspects of AL RABVs by Bayesian evolutionary analysis. Results: The most recent common ancestor (tMRCA) of the current Arctic and AL RABVs emerged in the 1830s and evolved independently after diversification. Population demographic analysis indicated that the viruses experienced gradual growth followed by a sudden decrease in its population size from the mid-1980s to approximately 2000. Genetic flow patterns among the regions reveal a high geographic correlation in AL RABVs transmission. Discrete phylogeography suggests that the geographic origin of the AL RABVs was in east Russia in approximately the 1830s. The ancestral AL RABV then diversified and immigrated to the countries in Northeast Asia, while the viruses in South Asia were dispersed to the neighboring regions from India. The N and G genes of RABVs in both clades sustained high levels of purifying selection, and the positive selection sites were mainly found on the C-terminus of the G gene. Conclusions: The current AL RABVs circulating in South and North Asia evolved and dispersed independently.

South Korea's Role for the joint economic prosperity of South and North Korea

  • KANG, Jang-Oh
    • 동아시아경상학회지
    • /
    • 제10권1호
    • /
    • pp.11-21
    • /
    • 2022
  • Purpose - Beginning from the formation of the two governments, South and North Korea in 1948, North Korean collective economy as per trade in exchange strategies with right of way employed on heavy and chemical companies, against the external concerned with South Korean selling economy. This study aims to provide solutions for the joint economic prosperity of South and North Korea in the future. Research design, Data, and methodology - This study adopted a qualitative content analysis research method. This research method focuses on themes and concepts that are present in previous literature. This method seeks to derive relationships and meanings by analyzing themes and concepts within existing data. Result - According to qualitative textual analysis, the findings indicate that there are total seven solutions to lead the joint economic prosperity of South and North Korea (Technology Innovation, Energy and Construction, Construction companies and the Gulf market; Oppression via negotiation, Sports and Culture, Agenda-setting and Framing; Competition System). Conclusion - The Korean Government's association strategies outlines tackled in this study are uniform to each other because they are phased, peaceful, regular, and well-designed. But there were situations in which diminutive tenure North Korea approaches was enlisted beyond medium-to-lasting-period union strategies. North Korea should allow a free market whereby its citizens can freely trade among themselves and other people from South Korea.

성층권 돌연승온이 동아시아 지표기온에 미치는 영향 (Impact of Sudden Stratospheric Warming on the Surface Air Temperature in East Asia)

  • 송강현;손석우;우성호
    • 대기
    • /
    • 제25권3호
    • /
    • pp.461-472
    • /
    • 2015
  • The sudden stratospheric warming (SSW), which is characterized by an abrupt increase of polar stratospheric temperature by several tens of degrees in a week, has been known to affect tropospheric weather and climate on sub-seasonal time scale in the boreal winter. Such downward coupling has been often examined in North Atlantic and Europe, but rarely examined in East Asia. In this study, by applying the two definitions of SSW to the reanalysis data, the possible impacts of the SSW events on the surface air temperature (SAT) and tropospheric circulation in East Asia are analyzed. It is found that Eurasian continent, including Siberia and the Northeast Asia, tends to experience anomalously cold SAT for up to sixty days after the SSW events. The resulting SAT anomalies largely resemble those associated with negative Artic Oscillation. However, over East Asia, SSW-related SAT change is weak and not statistically significant. Only during the extreme SSW events when the downward coupling between the stratosphere and troposphere is strong, East Asia exhibits significantly cold SAT anomalies. This relationship is presented by grouping SSW events into those followed by cold SAT anomalies over East Asia and those by warm anomalies for varying threshold values of the SSW events.

동북아 어장에서의 어업분쟁 해결 사례를 통한 국제법 적용 방안 (A Study on the Application of International Law through Disputes Settlement in Northeast Asia Fishing Ground)

  • 이우도;김남수;이진수
    • 수산경영론집
    • /
    • 제48권3호
    • /
    • pp.15-32
    • /
    • 2017
  • This article's aim is to review the jurisprudence which has emerged pursuant to the international dispute settlement provisions and to provide a provisional expectation as to the future of international dispute settlement under "UNCLOS". Globally, marine fisheries play an important role in ocean biodiversity and the food security of millions of people, providing a vital source of high-quality dietary protein and supporting individuals' livelihoods and income. In the 1982 Convention, the establishment of co-operative mechanisms for effective monitoring, control, surveillance and enforcement, decision-making procedures facilitating the adoption of such measures of conservation and management, and the promotion of the peaceful settlement of disputes are called for. In this study, 'Northeast Asian Sea' means that the Yellow/East China Sea, the East Sea, the Ohotsk Sea, the Kamchaka Sea, the Alaska Sea, and the Bering Sea surrounded by Korea, China, Japan, Russia, U.S.A. and Canada including their EEZs. There are several bilateral fisheries agreements existing in Northeast Asian area, the Fisheries Agreement between Republic Korea and Japan, between Republic of Korea and China, between China and Japan, between Republic Korea and U.S.A., between Republic Korea and Russia, between Russia and Japan, And there are several regional fisheries organizations existing in Northeast Asian area, for example NPAFC(Convention for the Conservation of Anadromous Stocks in the North Pacific Ocean), CBSPC (Convention on the Central Bering Sea Pollack Conservation), PICES(North Pacific Marine Science Organization), NPFC(North Pacific Fishery Commi-ssion) etc. It analyzed the proliferation of bilateral treaties and multilateral treaties due to the adoption of the EEZ in Northeast Asia reviewed the strengthening of management rights on the high seas marine living resources and marine environment preservation of regional fisheries organizations. In view of the changes in the international fisheries mechanism this paper suggested the future direction of the country in overseas fisheries. We concluded as follows. We shall apply bilateral treaties first, regional fisheries organizations' treaties secondly, and provisions under "UNCLOS" for dispute settlement last.

동북아 크루즈산업의 현황과 발전방안 (Status and development policy of cruise industry in North-East Asia)

  • 하명신;박경희
    • 한국항만경제학회지
    • /
    • 제23권3호
    • /
    • pp.127-148
    • /
    • 2007
  • 세계 크루즈산업은 경제성장과 더불어 지난 30년간 가장 많이 성장한 관광분야 중의 하나로서 해운산업 중에서도 가장 부가가치가 높은 미래산업으로 인식되어 해운강국을 중심으로 크루즈사업 활성화 움직임이 일고 있으나 세계의 크루즈 산업 현황은 미주와 유럽지역에 거의 편중되어 있고 동북아지역의 크루즈산업은 대표적인 상품이 없는 실정이다. 크루즈산업의 경제 파급 효과는 크루즈 관광산업이 직간접적으로 발생하는 경제적 효과측면과 조선 산업 등 연계산업의 발전에 따른 경제적 효과로 구분될 수 있으며 특히 우리나라의 경우 고부가가치 크루즈선 건조시장 진출효과를 가져올 수 있을 것으로 전망되고 있다. 크루즈산업의 저해요인 및 문제점으로는 1) 크루즈산업에 대한 인식 부족, 2) 크루즈 기반시설 미흡, 3) 크루즈산업에 대한 지원 미흡, 4) 크루즈 관광객의 불편한 입국절차, 5) 고가의 크루즈관광, 6) 크루즈 프로그램 미흡, 7) 태풍 등 기후요인이 있다. 이에 대한 발전방안으로 무엇보다 1) 크루즈 기반시설 확충이 마련되어야 하며, 2) 정부와 민간부문의 협력을 위한 동북아 크루즈 협의체 구성, 3) 크루즈 관련법 및 제도 개선, 4) 크루즈 관광객 입국절차 간소화, 5) 관광상품 개발 및 홍보 등이 필요하다.

  • PDF

Changes in Aporia crataegi's potential habitats in accordance with climate changes in the northeast Asia

  • Kim, Tae Geun;Han, Yong-Gu;Kwon, Ohseok;Cho, Youngho
    • Journal of Ecology and Environment
    • /
    • 제38권1호
    • /
    • pp.15-23
    • /
    • 2015
  • This study was conducted in an effort to provide important clues pertaining to the conservation and restoration of Aporia crataegi by identifying the spatial distribution characteristics of the current habitats, prospective habitats, and future habitats of A. crataegi in accordance with climate changes. To determine the distribution of A. crataegi, data from a total of 36 collecting points throughout South Korea, North Korea, China, Japan, Mongolia, and Russia are used. The spatial distributions of the data were examined through MaxEnt modeling. The distribution probability rates exceeded 75% at 18 locations among the 36 species occurrence locations, with Gangwon province showing the highest distribution probability in South Korea. The precision of the MaxEnt model was remarkably high, with an AUC value of 0.982. The variables that affect the potential distribution of A. crataegi by more than 10% are the degree of temperature seasonality, the amount of precipitation in the warmest quarter, the annual mean temperature, and the amount of precipitation in the driest month, in that order of importance. It was found that the future potential distribution area of A. crataegi continuously moves northward over time up to 2070s. In addition, the area of the potential distribution showing a habitable probability rate that exceeds 75% in northeast Asia was $28,492km^2$, where the area of potential distribution in the north part of Korean peninsula was $20.404km^2$ in size. Thus, it is anticipated that the most important future habitats of A. crataegi in the northeast Asia will be North and South Hamgyeong provinces and Ryanggang province near Mt. Baekdoosan in the northern area of the Korean peninsula.

해양안보위협의 확산에 따른 한국해군의 역할 확대방안 (Extending Plans of the Role of ROK Navy vis-'a-vis the Expansion of Maritime Security Threats)

  • 길병옥
    • Strategy21
    • /
    • 통권30호
    • /
    • pp.63-98
    • /
    • 2012
  • Northeast Asia has a multi-layered security structure within which major economic and military powers both confront one another and cooperate at the same time. Major regional powers maintain mutually cooperative activities in the economic sphere while competing one another in order to secure a dominant position in the politico-military arena. The multifarious threats, posed by the North Korea's nuclear development, territorial disputes, and maritime demarcation line issues demonstrate that Northeast Asia suffers more from military conflicts and strifes than any other region in the world. Specifically, major maritime security threats include North Korea's nuclear proliferation and missile launching problems as well as military provocations nearby the Northern Limit Line(NLL) as witnessed in the Cheonan naval ship and Yeonpyong incidents. The ROK Navy has been supplementing its firm military readiness posture in consideration of North Korea's threats on the NLL. It has performed superb roles in defending the nation and establishing the Navy advanced and best picked. It also has been conducive to defend the nation from external military threats and invasion, secure the sea lanes of communications, and establish regional stability and world peace. In order to effectively cope with the strategic environment and future warfares, the ROK Navy needs to shift its military structure to one that is more information and technology intensive. In addition, it should consolidate the ROK-US alliance and extend military cooperative measures with neighboring countries in the Asia-Pacific region. Evolved steadily for the last 60 years, the ROK-US alliance format has contributed to peace and security on the Korean peninsula and in the Northeast Asian region. In conclusion, this manuscript contends that the ROK Navy should strive for the establishment of the following: (1) Construction of Jeju Naval Base; (2) Strategic Navy Equipped with War Deterrence Capabilities; (3) Korean-type of System of Systems; (4) Structure, Budget and Human Resources of the Naval Forces Similar to the Advanced Countries; and (5) Strategic Maritime Alliance and Alignment System as well as Domestic Governance Network for the Naval Families.

  • PDF

미(美) 트럼프 행정부와 바이든 행정부의 동북아 정책 비교 분석 및 전망 (After Trump: Continuity and Change in US Northeast Asia Policy in the Era of Biden)

  • 이정석
    • 의정연구
    • /
    • 제27권2호
    • /
    • pp.41-70
    • /
    • 2021
  • 바이든 행정부의 동북아 정책은 트럼프 행정부의 정책과 어떤 면에서 유사하고 어떤 면에서 다를 것인가? 본 논문은 트럼프 행정부로부터 바이든 행정부로의 이행에 따라 미국의 동북아 정책에 다음과 같은 변화와 연속성이 나타날 것이라고 제시한다. 미국 외교의 전통적 원칙과 관행을 중시하는 바이든 행정부의 성향상, 트럼프 시기와는 달리 미국의 동북아 정책에 있어 높은 안정성과 예측 가능성이 예상된다. 강력한 대중 압박 정책은 바이든 행정부에서도 지속될 것이며, 이에 따라 미중 대립은 더욱 지속·심화될 것이다. 한편 북한에 대해 바이든 행정부는 파격적 '그랜드 바겐'을 시도한 트럼프와는 달리 보수적 상향식 접근법을 취할 것으로 예상되며, 북한 정권의 협상 의도 및 태도에 회의적 관점을 가지고 있어 극적인 북미관계 진전은 당분간 어려워 보인다. 한국과 일본에 대해 바이든은 트럼프와 달리 양국을 동맹으로 중시하고 존중하는 태도를 보일 것이나, 심화되는 미중 갈등 속에서 한일 양국이 중국 견제에 있어 더 큰 역할을 수행하길 요구할 가능성이 높다.

Japan's "Last Hope": Myanmar as an arena for Sino-Japanese competition, coordination and global standardization

  • Zappa, Marco
    • Journal of Contemporary Eastern Asia
    • /
    • 제20권2호
    • /
    • pp.278-297
    • /
    • 2021
  • Despite competing strategical interests over Southeast Asia that have emerged in the last decade, with the launch of wide scope geopolitical strategies Chinese and Japanese initiatives have been characterized by a certain degree of implicit coordination, particularly in offering support to the Myanmar state's territorializing strategies for economic development. The case of the Thilawa Special Economic Zones (SEZ) is exemplary, as it was a Japan-led project which became a model and benchmark example for similar development initiatives supported by the People's Republic of China.

The Index of Asia-Pacific Regional Integration Effort

  • Ye, Victor Yifan;Mikic, Mia
    • East Asian Economic Review
    • /
    • 제20권2호
    • /
    • pp.129-168
    • /
    • 2016
  • The Asia-Pacific region is not typically seen as one geographic or socio-economic space. Yet, 58 regional economies occupying the space of 28 million square kilometers from Turkey in the West, Russian Federation in the North, French Polynesia in the East and New Zealand in the South belong to the Economic and Social Commission of Asia and the Pacific (ESCAP). This commission provides a forum for member states that "promotes regional cooperation and collective action, assisting countries in building and sustaining shared economic growth and social equity". In 2013, ESCAP's members adopted the Bangkok Declaration to enhance efforts towards deeper regional economic integration. Yet this document neither proposes a concrete modality or modalities of achieving deeper integration, nor provides a sense of distance of individual countries to a "perceived" integrated Asia-Pacific.This paper aims to comprehensively quantify recent integration efforts of economies in the Asia-Pacific region. We provide an "index of integration effort" based on twelve metrics that measure the relative distance of a given economy to the region as an economic entity. Generally, we find that while the region has trended towards becoming integrated in general, both the level of integration and integration effort are inconsistent among Asia-Pacific economies. We discuss potential applications and extensions of the index in developing our perspective of the region's economic and social dynamics.