• 제목/요약/키워드: Lao PDR

검색결과 80건 처리시간 0.043초

라오스 미기록 양치식물 (1) (New records of ferns in the flora of Laos (1))

  • 황인천;문명옥;;윤나래;선병윤
    • 식물분류학회지
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    • 제45권2호
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    • pp.109-113
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    • 2015
  • 2007년부터 2008년에 걸친 라오스 지역 채집을 통하여 라오스 미기록 양치식물 15종을 발견할 수 있었다. 이들은 전부 동남아시아 및 열대 지역에 분포하고 있는 것으로 나타났다. 이들의 목록은 다음과 같다. Asplenicaceae (Asplenium delavayi, A. rockii), Athyriaceae (Anisocampium cuspidatum), Dennstaedtiaceae (Microlepia hookeriana, Pteridium revolutum), Dryopteridaceae (Didymochlaena truncatula, Dryopteris cochleata, Polystichum biaristatum, P. lindsaefolium), Gleicheniaceae (Dicranopteris curranii), Hypodematiaceae (Hypodematium crenatum), Lindsaeaceae (Lindsaea heterophylla), Pteridaceae (Pteris decrescens), Polypodiaceae (Pyrrosia nummulariifolia) 및 Thelypteridaceae (Cyclosorus dentatus).

New records of flowering plants collected from the Phou Khao Khouay National Biodiversity Conservation Area for the flora of Laos

  • LIM, Chang-Kun;LEE, Kyoung-Eun;CHO, Hyun-Sung;SAYSAVANH, Veosavanh;WON, Hyosig
    • 식물분류학회지
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    • 제51권3호
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    • pp.305-318
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    • 2021
  • We report 14 species of flowering plants as new additions to the flora of Laos. These are Illex viridis (Aquifoliaceae), Capparis erycibe (Capparaceae), Euphorbia bokorensis (Euphorbiaceae), Exacum darae (Gentianaceae), Aeschynanthus cambodiensis (Gesneriaceae), Tetraphyllum roseum (Gesneriaceae), Utricularia gibba (Lentibulariaceae), Macrosolen brandisianus (Loranthaceae), Decaschistia siamensis (Malvaceae), Nyssa yunnanensis (Nyssaceae), Adenia penangiana var. penangiana (Passifloraceae), Pentaphylax euryoides (Pentaphylacaceae), Wikstroemia bokorensis (Thymelaeaceae), and Debregeasia wallichiana (Urticaceae). We discovered the species during a botanical survey of the Phou Khao Khouay National Biodiversity Conservation Area (PKKNBCA) of Lao PDR in 2015-2019. In addition, nine rarely collected flowering plant species in Laos are newly reported for the PKKNBCA.

Smallholder Pig Rearing Systems in Northern Lao PDR

  • Phengsavanh, P.;Ogle, B.;Stur, W.;Frankow-Lindberg, B.E.;Lindberg, J.E.
    • Asian-Australasian Journal of Animal Sciences
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    • 제24권6호
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    • pp.867-874
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    • 2011
  • This paper describes the results of a survey aimed at characterizing smallholder pig production systems in northern Lao PDR. A total of 341 households from five Northern provinces were interviewed in the survey. Village meetings and individual interviews, using a semi-structured questionnaire, were used to collect information. Three main pig rearing systems, free-scavenging, semi-scavenging and confinement (enclosures and pens), were found in the survey areas. These systems were practiced differently by smallholders depending on the level of intensity of crop production, ethnicity and purpose of keeping pigs. The confinement system was mainly practiced by Lao-Tai and Tibeto-Burman groups, who mainly bought piglets and fattened these pigs for sale. In contrast, the Mon-Khmer and Hmong-Mien reared pigs in free-scavenging and semi-scavenging systems, and usually keep sows for piglet production. The main factors that affected the changes in rearing systems were found to be level of intensity of crop production, local regulations and outbreaks of disease. The main constraints found in smallholder systems were outbreaks of disease, high mortality of piglets and the slow growth rate of fattening pigs.

라오스 루앙프라방 전통 가옥의 변화 요인에 관한 연구 (The Impact Factors Causing Transformation of Lao Traditional House - Case Study of Luangprabang, Lao PDR -)

  • 봉비라이 사야폰;강영환;최중현
    • 한국주거학회논문집
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    • 제26권2호
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    • pp.1-12
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    • 2015
  • The era of globalization has ushered in dramatic changes in the past decade covering a wide range of distinct political, economic and cultural trends whereby people adapt their houses to suit their needs and desires. This paper discusses the process of change analytically, emphasizing the importance of understanding the transformation of Lao traditional houses and its impact factors to the transformation and adaptation to suit with globalization trend, and conservation of the characteristics of traditional houses. This study takes place in Luangprabang, an ancient city of Lao PDR, which was designated as a world heritage city in 1995 as it is rich with diverse, tangible and intangible values. Five cases of traditional house in Luangprabang are examined to understand their transformation through time, by analyzing the basic spatial formation, components and elements, especially to find out the impact factors to such transformation. The study revealed that the transformation of the traditional house is subject to not just one single factor, but to a number of factors, where globalization, regulation, economy, and social aspect factors play a prime role and are the root for all these changes. The case study also indicates that these changes are connected to the benefits of income generation as a survival strategy for the low and middle-income people in Luangprabang as well as the housing demands. In the transition period a new residential type appeared accordingly, in which living spaces were categorized according to their general functions. There was a harmony between people's needs and the physical characteristics of the house.

Paragonimus paishuihoensis Metacercariae in Freshwater Crabs, Potamon lipkei, in Vientiane Province, Lao PDR

  • Habe, Shigehisa;Doanh, Pham Ngoc;Yahiro, Shinichiro;Vannavong, Nanthasane;Barennes, Hubert;Odermatt, Peter;Dreyfuss, Gilles;Horii, Yoichiro;Nawa, Yukifumi
    • Parasites, Hosts and Diseases
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    • 제51권6호
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    • pp.683-687
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    • 2013
  • Among Paragonimus species, P. paishuihoensis is one of the most mysterious and poorly understood species. Metacercariae are characterized by having a unique dendritically branched excretory bladder. However, the morphology of the adult worm remains unknown. To date, metacercariae of this species have been reported only in China and Thailand. In this study, we first found P. paishuihoensis metacercariae in freshwater crabs, Potamon lipkei, in Hinheub District, Vientiane, Lao PDR, with a prevalence of 77.7% and the average intensity of 10.3 (range 1-28) metacercariae per crab. The molecular data based on ITS2 and CO1 markers indicated that P. paishuihoensis from Laos and Thailand were almost completely identical and were close to members of the Paragonimus bangkokensis/Paragonimus harinasutai complex. Attempts to infect experimental animals (cats, dogs, and rats) with P. paishuihoensis were unsuccessful, suggesting that these animals might be unsuitable definitive hosts for the species. Further studies are necessary to elucidate the taxonomic status and life cycle of P. paishuihoensis.

Centrocestus formosanus (Digenea: Heterophyidae) Encysted in the Freshwater Fish, Puntius brevis, from Lao PDR

  • Han, Eun-Taek;Shin, Eun-Hee;Phommakorna, Souvanny;Sengvilaykham, Bounthong;Kim, Jae-Lip;Rim, Han-Jong;Chai, Jong-Yil
    • Parasites, Hosts and Diseases
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    • 제46권1호
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    • pp.49-53
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    • 2008
  • The metacercariae of Centrocestus formosanus, a minute intestinal trematode of mammals and birds, were detected in the freshwater fish, Puntius brevis, from Vientiane Municipality, Lao PDR. The metacercariae were experimentally fed to mice, and adult flukes were recovered in their small intestines 7 days later. The adult flukes were morphologically characterized by having 32 (rarely 34) circumoral spines arranged in 2 alternative rows, a large bipartite seminal vesicle, an oval-shaped ovary, and an X-shaped excretory bladder. Based on these characters, the adults were identified as Centrocestus formosanus (Nishigori, 1924). The taxonomic significance of C. formosanus, in relation to a closely related species, C. caninus (Leiper, 1913), is briefly discussed. It has been first verified by adult worm recovery that C. formosanus is prevalent in Vientiane areas of Lao PDR, taking the freshwater fish, P. brevis, as a second intermediate host.

Indochinamon ou (Crustacea: Potamidae) as a New Second Intermediate Host for Paragonimus harinasutai in Luang Prabang Province, Lao PDR

  • Sohn, Woon-Mok;Ryu, Jae-Sook;Min, Duk-Young;Song, Hyun-Ouk;Rim, Han-Jong;Vonghachack, Youthanavanh;Bouakhasith, Daluny;Banouvong, Virasack
    • Parasites, Hosts and Diseases
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    • 제47권1호
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    • pp.25-29
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    • 2009
  • Paragonimus harinasutai metacercariae were found in a species of freshwater crab, Indochinamon ou, collected in a small stream of Namback District, Luang Prabang Province, Lao PDR. Adult flukes were recovered after experimental infection of the metacercariae to dogs. Metacercariae were round or slightly elliptical, $0.666{\times}0.626\;mm$ in average size, and had a thin cyst wall of about $20{\mu}m$ in thickness, a black excretory bladder, convoluted ceca, and some pinkish materials in the body. Adults were somewhat elongated, $95.2{\times}36.5\;mm$ in average size, covered with single-tipped tegumental spines, had a smaller oral sucker than the ventral sucker, a moderately branched ovary, and 5-6 lobulated testes. Eggs were ovoid and bilaterally symmetrical in shape, $79{\times}45{\mu}m$ in average size, and had a uniformly thickened shell. By the present study, it has been confirmed that I. ou is a new second intermediate host for P. harinasutai.

라오스 비엔티안 지역 청소년의 식품 불안정 상태에 따른 식행동 및 가공 음료 섭취 비교 연구 (Comparison of dietary behavior and consumption of processed beverage depend on food insecurity status of adolescents in vientiane, Lao PDR)

  • 이예나;김지명;이경옥;;김유리
    • Journal of Nutrition and Health
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    • 제51권6호
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    • pp.580-589
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    • 2018
  • 본 연구는 라오스 비엔티안 지역 일부 청소년을 대상으로 식품 불안정 상태를 파악하고, 이에 따른 식행동 및 가공 음료 섭취를 비교하고자 진행되었다. 미국 농무부에서 개발한 식품 안정 조사 모듈을 통해 조사한 결과, 전체 714명의 대상자 중 519명, 즉 72.7%가 식품 불안정 상태로 나타났다. 식품 안정군 (Food Security, FS)이 식품 불안정군 (Food Insecurity, FI)에 비해 '삶에 대한 만족도', '부모의 교육 수준', '가정 내 소유하고 있는 물품의 수'가 더 높았고 '형제자매 수'는 더 적었던 것을 통해 식품 불안정이 낮은 사회 경제적 상태 (socioeconomic status, SES)와 유의한 관계가 있음을 확인할 수 있었다. FI군보다 FS군의 가공 음료 섭취 및 점심 식사를 밖에서 사 먹는 비율이 유의적으로 더 높게 나타난 것 역시 FI군의 낮은 SES가 반영된 결과라고 생각할 수 있다. 본 연구에서 가장 주목할 만한 결과는 FS군이 FI군에 비해 '아침 식사 섭취 빈도' 및 '스스로 평가한 식사의 질', '간이 식생활 진단'을 통해 평가한 결과의 총점이 더 높게 나타났으나, '식품 안정'에서 높은 수준의 가공 음료 섭취 가능성 또한 1.544배 증가하였다는 것이다. 이는 낮은 식사의 질이 단지 식품 불안정에 따른 문제가 아님을 의미하므로, 라오스 청소년을 대상으로 한 체계적인 영양 교육 및 정책 마련은 추후 빠르게 진행되어야 할 것으로 사료된다.