• Asian-Australasian Journal of Animal Sciences
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• 제17권4호
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• pp.445-452
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• 2004

Genetic diversity of sub-Saharan African goats was assessed using 19 microsatellite markers. Breeds were sampled from eastern Africa (Maasai, Kigezi, Mubende, North West Highland, Arsi-Bale), southern Africa (Ndebele, Pafuri) and West Africa (West African Dwarf, Maure, Djallonke). European breeds (Grisons Striped, Toggenburg), Asian breeds (Mongolian Cashmere, Bandipur) and a Middle East breed (Arab) were also included. The mean number of alleles per locus and average gene diversity ranged from 5.26$\pm$0.464 (Djallonke) to 7.05$\pm$0.516 (Mubende) and from 0.542$\pm$0.036 (Pafuri) to 0.672$\pm$0.031 (Ndebele), respectively. The between breeds variation evaluated using $$G_{ST}$$ and $\theta$ were found to account for 14.6% ($\theta$) and 15.7% ($$G_{ST}$$) of the total genetic variation. The $D_{A}$ measure of genetic distance between pairs of breeds indicated that the largest genetic distance was between Pafuri and Djallonke while the lowest genetic distance was between Arsi-Bale and North West Highland. A neighbour-joining tree of breed relationships revealed that the breeds were grouped according to their geographic origins. Principal component analysis supported the grouping of the breeds according to their geographic origins. It was concluded that the relationships of sub-Saharan African goat breeds were according to their geographical locations implying that the goats of eastern Africa, West Africa and southern Africa are genetically distinct. Within each sub-region, goat populations could be differentiated according to morphological characteristics.

• 한국콘텐츠학회논문지
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• 제17권11호
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• pp.192-199
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• 2017

본 논문의 목적은 지난 2010년 이후 우리의 수출 대상인 아시아, 북미, 유럽, 중남미, 중동, 아프리카를 중심으로 수출액의 상승률 동향과 변동성 그리고 상관관계와 모형분석 등을 살펴보고 향후 성장 방향을 찾아보는데 있다. 분석 결과 아시아, 북미, 유럽, 중남미, 중동, 아프리카 순으로 높은 수출 비중을 보여주었으며 수출액 상승률은 아시아, 북미, 유럽이 상대적으로 높게 나타났고 전윌대비 변동률은 아시아와 북미가 안정된 움직임을 보여주었다. 이 연구를 통해 우리의 수출액을 증가시키기 위해서는 아시아, 북미, 유럽으로의 수출 향상에 많은 관심을 보여야 할 것이다. 특히 50%가 넘는 아시아 즉, 중국, 일본, 베트남, 홍콩, 대만, 인도 등으로 수출 향상과 수출전략 방안이 필요해 보인다. 아직은 수출 비중이 크지 않지만 향후 중남미, 중동, 아프리카 등의 신시장 개척에도 많은 관심을 가지고 수출향상방안이 체계적으로 진행되기를 기대해 본다.

• Toxicological Research
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• 제35권1호
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• pp.1-7
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• 2019

Mycotoxin contamination is a global phenomenon and causes a wide array of negative effects and other complications. This study focused on commonly found mycotoxins in Africa and the possible means of prevention or reduction of their contaminating effects. Mycotoxins are secondary metabolites of mold and fungi; they are generally toxic to living organisms. Hundreds of mycotoxins have been identified thus far, with some, such as aflatoxins, ochratoxins, trichothecenes, zearalenone, fumonisins, and patulin, considered agro-economically important. Several factors contribute to the presence of mycotoxins in food, such as climatic conditions, pest infestation, and poor harvest and storage practices. Exposure to mycotoxins, which occurs mostly by ingestion, leads to various diseases, such as mycotoxicoses and mycoses that may eventually result in death. In light of this, this review of relevant literature focuses on mycotoxin contamination, as well as various methods for the prevention and control of their prevalence, to avert its debilitating consequences on human health. Clear evidence of mycotoxin contamination is present in Africa, and it was therefore recommended that adequate prevention and control of these toxic substances in our food system should be encouraged and that appropriate measures must be taken to ensure food safety as well as the enhanced or long-lifespan of the African populace. Governments, research institutions, and non-governmental organizations should tailor the limited resources available to tackle mycotoxin prevalence, as these will offer the best prospects for successful development of a sustainable food system in Africa.

• 대한원격탐사학회:학술대회논문집
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• 대한원격탐사학회 2002년도 Proceedings of International Symposium on Remote Sensing
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• pp.7-11
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• 2002

This study introduces the first method that determines tropospheric ozone column directly from a space-based instrument. This method is based on the physical differences in the Total Ozone Mapping Spectrometer (TOMS) measurement as a function of its scan-angle geometry. Tropospheric ozone in September-October exhibits a broad enhancement over South America, the southern Atlantic Ocean, and western South Africa and a minimum over the central Pacific Ocean. Tropical tropospheric ozone south of the equator is higher than north of the equator in September-October, the southern burning season. Conversely, ozone north of the equator is higher in March, the northern burning season. Overall, the ozone over the southern tropics during September-October is significantly higher than over the northern tropics. Abnormally high tropospheric ozone occurs over the western Pacific Ocean during the El Nino season when the ozone amounts are as high as the ozone over the Africa.

• 콘크리트학회지
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• 제26권6호
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• pp.55-59
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• 2014

• The Journal of Asian Finance, Economics and Business
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• 제9권2호
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• pp.141-149
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• 2022

Despite the importance of the insurance business for financial and economic development, few studies have looked at the factors that influence its growth. This research adds to the body of knowledge by empirically examining the impact of numerous factors on the development of the insurance business in 15 Middle East and North African (MENA) countries from 2000 to 2017. The study looks at macroeconomic, demographic, and institutional factors as potential drivers of the insurance industry's growth, with the insurance premium as a percentage of GDP as the dependent variable. All variables are stationary at the first difference, according to the IPS panel unit root test. The Pedroni residual cointegration test, Kao residual cointegration test, and Johansen-Fisher panel cointegration tests are then used to look for long-run associations. The cointegration tests strongly suggest that the insurance premium and the various variables have long-run correlations. Findings from the Fully-Modified OLS imply that GDP per capita, gross capital formation, and the KOF economic globalization index have a positive long-term impact on the insurance business. The insurance business is also driven by combating corruption and the rule of law. The population and regulatory quality, on the other hand, have no significant impact.

• 한국경제지리학회지
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• 제23권3호
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• pp.312-333
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• 2020

아프리카의 독립국가 출현과 함께 한국과 아프리카의 관계는 시작되었지만 외교적 교류는 완성된 모습보다는 불규칙적이며 비정규적 교류가 이어지는 듯한 모습을 보여왔다. 최근 들어 한국정부는 아프리카와의 관계 개선을 위하여 새로운 접근을 시도하고 있다. 본 연구는 한국의 대 아프리카 공공 외교의 여러 전략과 방안들을 살펴보면서 어떻게 한국과 아프리카간의 상호이익에 부합하는지를 분석한다. 한국의 아프리카에 대한 관심은 북한의 안보위협과 시장다변화 그리고 미국과 중국 등 강대국과 마찬가지로 아프리카 대륙 차원의 에너지 자원에 대한 관심이라고 볼 수 있다. 그리고 한국이 아프리카에 적용하는 혼합적 공공외교 전략과 방안은 다양한 형태의 결과물을 통해 나타나고 있다. 그 결과2000년대 말부터 한국과 아프리카의 경제적 연계는 한층 강화되고 있다. 미래에도 지속적인 관계를 유지하기 위하여 본 연구는 한국의 대 아프리카 공공 외교의 활성화를 위하여 연구결과를 바탕으로 여러 방안을 제안하고 있다.

• 분석과학
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• 제36권2호
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• pp.99-104
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• 2023

Trace elements (TEs) have significant effects on both dental health and human health. Toxic effects are caused by deficiency or excess of TEs. This study was performed to determine levels of toxic and trace elements in incisor and molar teeth sampled from male and female participants residing in the north and south regions of Sudan. The tooth enamel of 18 extracted human teeth was analyzed using particle-induced x-ray emission (µ-PIXE) to determine its elemental profile and distribution. GeoPIXEII software package was used for the analysis of µ-PIXE data. The main elements determined were Na, Mg, P, S, Cl, K, Ca, Mn, Fe, Zn, Co, and Sr which were homogeneously distributed in the areas of the tooth enamel mapped with micro-PIXE.

• 비교문화연구
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• 제44권
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• pp.373-391
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• 2016

한국의 아프리카 연구는 2000년대 이후에 본격적으로 이루어지고 있다. 그러나 지구상의 마지막 블루 오션이라는 인식과 함께 시작된 최근의 활발한 아프리카 연구는, 최근 몇 년간의 비약적인 양적 성장에도 불구하고 몇 가지 문제점을 안고 있다. 첫째는 아프리카 연구의 학문적 편중성이다. 국내에서 생산된 석박사 논문과 전문학술지 논문의 60% 이상이 사회과학, 그 중에서도 정치 경제 분야에서 이루어졌으며, 이는 아프리카에 대해 경제적 목적 일변도의 편향된 이해를 불러올 수 있다. 두 번째 문제점은 최근의 활발한 아프리카 연구의 결과에도 불구하고, 국내의 아프리카에 대한 인식은 기존의 피상적인 인식에서 탈피하지 못하고 있다. 다양한 아프리카 연구의 결과들이 일반 대중과 젊은 세대들에게 공유될 필요가 있다. 마지막으로 국내 아프리카 연구 주체들 간의 활발한 교류를 통하여, 분야별 연구의 틀을 벗어나 종합적인 아프리카 연구의 방향으로 나아갈 필요가 있다.

• Asian Pacific Journal of Cancer Prevention
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• 제16권9호
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• pp.4115-4121
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• 2015

Background: Colorectal cancer is the second most common cause of cancer death with half a million deaths per year. Incidence and mortality rates have demonstrated notable changes in Asian and African countries during the last few decades. In this study, we first aimed to determine the trend of colorectal cancer mortality rate in each Institute for Health Metrics and Evaluation (IHME) region, and then re-classify them to find more homogenous classes. Materials and Methods: Our study population consisted of 52 countries of Asia and North Africa in six IHME pre-defined regions for both genders and age-standardized groups from 1990 to 2010.We first applied simple growth models for pre-defined IHME regions to estimate the intercepts and slopes of mortality rate trends. Then, we clustered the 52 described countries using the latent growth mixture modeling approach for classifying them based on their colorectal mortality rates over time. Results: Statistical analysis revealed that males and people in high income Asia pacific and East Asia countries were at greater risk of death from colon and rectum cancer. In addition, South Asia region had the lowest rates of mortality due to this cancer. Simple growth modeling showed that majority of IHME regions had decreasing trend in mortality rate of colorectal cancer. However, re-classification these countries based on their mortality trend using the latent growth mixture model resulted in more homogeneous classes according to colorectal mortality trend. Conclusions: In general, our statistical analyses showed that most Asian and North African countries had upward trend in their colorectal cancer mortality. We therefore urge the health policy makers in these countries to evaluate the causes of growing mortality and study the interventional programs of successful countries in managing the consequences of this cancer.