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1. Notes upon a collection of birds from indochina

Author:
E. C. Dickinson
Source:
Ibis 1970 v.112 no.4 pp. 481-487
ISSN:
0019-1019
Subject:
Acrocephalus; birds; type collections; Indochina; Laos
Abstract:
... The rediscovery of some of the lost collection of Monsieur A. David‐Beaulieu from Laos is reported. Notes are given on 22 selected forms and a list is appended of the type specimens and topotypical material in the collection. One species, Acrocephalus concinnens, is reported from Indochina for the first time and several forms are reported or confirmed for the first time for either North or Central ...
DOI:
10.1111/j.1474-919X.1970.tb00819.x

2. A New Horizon: Addressing Food and Nutrition Problems in the Lao People's Democratic Republic

Author:
Yongyout Kachondham; Sakorn Dhanamitta
Source:
Food and nutrition bulletin v.14 no.2 pp. 1-9
ISSN:
0379-5721
Subject:
advocacy; child nutrition; diet-related diseases; food security; health services; information systems; interviews; models; nutrition policy; planning; schools; villages; women; Laos
Abstract:
... This paper provides information from the Lao People's Democratic Republic on household food security, current nutrition problems, their magnitudes and trends, food and nutrition policy and activities, and strategies for the development of short- and long-term approaches to dealing with the problems. Data were obtained during a recent UNl-CEF-supported consultancy, the objective of which was to ass ...
DOI:
10.1177/156482659201400212

3. Wood of Platanus Kerrii

Author:
E. A. Wheeler
Source:
IAWA journal v.16 no.2 pp. 127-132
ISSN:
0928-1541
Subject:
Cretaceous period; Paleogene period; Platanus; parenchyma (plant tissue); wood; wood anatomy; Laos; Vietnam
Abstract:
... Mature wood of extant Platanus kerrii Gagnep., native to Laos and Vietnam, is described for the first time. Its general characteristics are similar to other Platanus species; it has narrow, mostly solitary vessels, perforation plates both simple and scalariform, opposite intervessel pitting, diffuse-in-aggregates axial parenchyma, mostly wide (> 10-seriate) rays that usually are homocellular. Rays ...
DOI:
10.1163/22941932-90001399

4. Glutinous rice and its importance for hill farmers in Laos

Author:
Roder, W.; Keoboulapha, B.; Vannalath, K.; Phouaravanh, B.
Source:
Economic botany 1996 v.50 no.4 pp. 401-408
ISSN:
0013-0001
Subject:
horticultural crops; cultivars; plant development; crop production; subsistence farming; heirloom varieties; Oryza sativa; shifting cultivation; field crops; highlands; agronomic traits; glutinous rice; Laos
Abstract:
... Glutinous or waxy rice is the most important crop for subsistence farming economies in the hills of Northern Laos. Hill farmers continue to use traditional varieties only. Geographical and political isolation have contributed towards their preservation. Traditional varieties are mainly of the japonica type, have a good yield potential, are well adapted to the local conditions, and represent a wide ...
DOI:
10.1007/BF02866522

5. Shrubby legumes for fallow improvement in northern Laos: establishment, fallow biomass, weeds, rice yield, and soil properties

Author:
W. Roder; S. Maniphone
Source:
Agroforestry systems 1997 v.39 no.3 pp. 291-303
ISSN:
0167-4366
Subject:
Aesculus; Cajanus cajan; Calliandra calothyrsus; Chromolaena odorata; Crotalaria micans; Eriocaulon; Flemingia macrophylla; Leucaena leucocephala; Sesbania sesban; aboveground biomass; energy crops; grain yield; hills; legumes; pH; phosphorus; production technology; rice; soil organic carbon; soil properties; vegetation; weeds; Laos
Abstract:
... An experiment was carried out in a slash-and-burn production system in northern Laos to evaluate legume establishment methods and effects of legume species on fallow vegetation, weeds, yield of upland rice, and soil parameters. Cajanus cajan, Calliandra calothyrsus, Crotalaria anagyroides, Flemingia congesta, Leucaena leucocephala, and Sesbania sesban were dibbled separately or mixed with rice. Le ...
DOI:
10.1023/A:1005958729929

6. Sustainable Development in Laos: Prospects for a Green Future

Author:
Douglas L. Tookey
Source:
Journal of environment & development 1997 v.6 no.2 pp. 170-179
ISSN:
1552-5465
Subject:
education programs; environmental law; laws and regulations; pollution; sustainable development; Laos
Abstract:
... The Lao public and government are becoming increasingly aware of sustainable development issues. Laos is also beginning to develop a comprehensive body of domestic legislation to deal with conservation and pollution issues. The government plans to adopt a framework environmental law soon and has demonstrated a firm commitment to care for the environ ment by pursuing a variety of training programs ...
DOI:
10.1177/107049659700600205

7. Host-based genetic differentiation in the aphid Aphis gossypii Glover, evidenced from RAPD fingerprints

Author:
Vanlerberghe-Masutti, F.; Chavigny, P.
Source:
Molecular ecology 1998 v.7 no.7 pp. 905-914
ISSN:
0962-1083
Subject:
random amplified polymorphic DNA technique; food plants; Cucumis sativus; Cucumis melo; genetic variation; genetic distance; cluster analysis; Cucurbita pepo; gene frequency; DNA fingerprinting; Aphis gossypii; population; France; Laos; Reunion; Portugal
DOI:
10.1046/j.1365-294x.1998.00421.x

8. Tapping oleoresin from Dipterocarpus alatus (Dipterocarpaceae) in a Lao village

Author:
Ankarfjard, R.; Kegl, M.
Source:
Economic botany 1998 v.52 no.1 pp. 7-14
ISSN:
0013-0001
Subject:
oleoresins; fuels; wood; nontimber forest products; marketing; economic analysis; essential oils; diameter; plant physiology; defense mechanisms; Laos
Abstract:
... Dipterocarpus alatus (Dipterocarpaceae) is native to the mainland of Southeast Asia, where its oleoresin is used by indigenous people for illumination and for waterproofing baskets and boats. In modern society it is used for paint, varnish and lacquer and the essential oil is used as a fixative in perfumes. This species is also important for its timber. Tapping, marketing and economic importance o ...
DOI:
10.1007/BF02861291

9. Meat and milk self‐sufficiency in Asia: forecast trends and implications

Author:
A.S. Rutherford
Source:
Agricultural economics 1999 v.21 no.1 pp. 21-39
ISSN:
0169-5150
Subject:
commercialization; eating habits; economic development; livestock; livestock production; meat; meat production; milk; milk production; production technology; ruminants; trade liberalization; Bangladesh; Cambodia; China; India; Indonesia; Laos; Malaysia; Pakistan; Philippines; Thailand; Vietnam
Abstract:
... Recent structural changes in dietary patterns in Asia resulting from economic development are placing increasing pressure on the existing production systems in the region‐particularly those systems producing ruminant meat, non‐ruminant meat and milk. This has significant policy implications for the countries in the region in terms of self‐sufficiency goals in these commodities and the associated i ...
DOI:
10.1111/j.1574-0862.1999.tb00581.x

10. Review of Raxa (Hemiptera: Pyrrhocoridae)

Author:
Schaefer, C.W.
Source:
Annals of the Entomological Society of America 1999 v.92 no.1 pp. 14-19
ISSN:
0013-8746
Subject:
geographical distribution; redescriptions; Pyrrhocoridae; predation; anatomy and morphology; new species; Vietnam; Indonesia; Laos
Abstract:
... The genus and the type species Raxa collaris Distant are redescribed. A new species R. nishidai and its 2nd and 4th instars are described. Raxa is compared with 4 similar genera, Melamphaus Stal, Probergrothius Kirkaldy, Roscius Stal, and Antilochus Stal; Raxa appears to be most closely related to the last. R. collaris occurs in Vietnam and Laos, and R. nishidai has been collected only from Indone ...
DOI:
10.1093/aesa/92.1.14

11. Successful Start of Salt Iodization in Laos

Author:
Monique Coppens; Arounny Phanlavong; Intong Keomoungkhoune; Nguyen Tri Dung; Rainer Gutekunst; M. G. Venkatesh Mannar; Claude Thilly
Source:
Food and nutrition bulletin v.20 no.2 pp. 201-207
ISSN:
0379-5721
Subject:
goiter; iodine; iodized salt; monitoring; national surveys; public health; school children; schools; social marketing; thyroid gland; Laos
Abstract:
... An assessment of the severity of iodine-deficiency disorders and of the iodized salt programme in Laos was undertaken in 1996 through a field study among 957 schoolchildren in seven schools of different regions in Laos. Urinary iodine concentrations in 225 samples were remarkably lower in schools from the north than in those from the south, a finding similar to that from a national survey in 1993. ...
DOI:
10.1177/156482659902000204

12. Biodiversity of Asian rice gall midge (Orseolia oryzae Wood Mason) from five countries examined by AFLP analysis

Author:
Katiyar, S.K.; Chandel, G.; Tan, Y.; Zhang, Y.; Huang, B.; Nugaliyadde, L.; Fernando, K.; Bentur, J.S.; Inthavong, S.; Constantino, S.; Bennett, J.
Source:
Genome = 2000 v.43 no.2 pp. 322-332
ISSN:
0831-2796
Subject:
pupae; amplified fragment length polymorphism; Orseolia oryzae; geographical variation; genetic variation; biotypes; DNA fingerprinting; larvae; biodiversity; genetic polymorphism; genetic markers; Sri Lanka; Laos; India; Nepal; China
Abstract:
... Amplified fragment length polymorphism (AFLP) analysis was used to assess the biodiversity of one of the most important dipteran pests of cereals, the Asian rice gall midge (Orseolia oryzae Wood Mason). Larvae and pupae were collected at 15 locations in five Asian countries and preserved in 95% ethanol for storage, shipment, and DNA extraction using cetyltrimethylammonium bromide (CTAB). Although ...
DOI:
10.1139/g99-119
PubMed:
10791821

13. Molecular identification of Anopheles minimus s.l. beyond distinguishing the members of the species complex

Author:
Bortel, W. van.; Trung, H.D.; Roelants, P.; Harbach, R.E.; Backeljau, T.; Coosemans, M.
Source:
Insect molecular biology 2000 v.9 no.3 pp. 335-340
ISSN:
0962-1075
Subject:
restriction fragment length polymorphism; restriction mapping; ribosomal DNA; Anopheles minimus; phylogeny; polymerase chain reaction; internal transcribed spacers; chemotaxonomy; Vietnam; Cambodia; Laos; Thailand
DOI:
10.1046/j.1365-2583.2000.00192.x
PubMed:
10886418

14. Free radical scavenging activity of Scoparia dulcis extract

Author:
Babincova, M.; Sourivong, P.
Source:
Journal of medicinal food 2001 v.4 no.3 pp. 179-181
ISSN:
1096-620X
Subject:
Scoparia dulcis; free radicals; plant extracts; weeds; linoleic acid; lipid peroxidation; hemoglobin; medicinal properties; Laos; Vietnam
DOI:
10.1089/109662001753165765

15. Isolation and characterization of polymorphic microsatellite loci in Rubus alceifolius Poir. (Rosaceae), an invasive weed in La Reunion island

Author:
Amsellem, L.; Dutech, C.; Billotte, N.
Source:
Molecular ecology notes 2001 v.1 no.1/2 pp. 33-35
ISSN:
1471-8278
Subject:
Rubus; weeds; microsatellite repeats; loci; genetic markers; alleles; DNA; polymerase chain reaction; DNA primers; Reunion; Thailand; Vietnam; Indonesia; Laos

16. Nucleotide sequence differences reveal genetic variation in Neotricula aperta (Gastropoda: Pomatiopsidae), the snail host of schistosomiasis in the lower Mekong Basin

Author:
ATTWOOD, S.W.; JOHNSTON, D.A.
Source:
Biological journal of the Linnean Society 2001 v.73 no.1 pp. 23-41
ISSN:
0024-4066
Subject:
Oncomelania; Schistosoma; control methods; cytochrome-c oxidase; genes; genetic variation; hybridization; mitochondrial DNA; nucleotide sequences; phylogeny; phylogeography; ribosomal RNA; rivers; schistosomiasis; snails; streams; Cambodia; China; Laos; Mekong River; Myanmar; Thailand
Abstract:
... To investigate the phylogenetic relationships among the different strains of the polytypic snail Neotricula aperta, mitochondrial-DNA sequence data were sampled from six populations from central and southern Laos, eastern Cambodia, and northeast Thailand. Part of the cytochrome c oxidase subunit I gene was sequenced for 21 individuals from 7 populations, with a 598 bp sequence used in the analyses ...
DOI:
10.1111/j.1095-8312.2001.tb01344.x

17. Upland Rice Response to Phosphorus Fertilization in Asia

Author:
Thomas George; Roger Magbanua; Walter Roder; Koen Van Keer; Guy Trébuil; Veronica Reoma
Source:
Agronomy journal 2001 v.93 no.6 pp. 1362-1370
ISSN:
0002-1962
Subject:
Oryza sativa; Philippines; Ultisols; agronomy; biomass; farms; grain yield; harvest index; highlands; phosphorus; rice; Laos; Thailand
Abstract:
... Upland rice (Oryza sativa L.) yields on infertile, acid soils in the Asian uplands average only 1 Mg ha⁻¹ Phosphorus deficiency is considered a major soil constraint to increased yield, but little quantitative information is available. We analyzed P responses of traditional rice on farm in Laos, Thailand, and the Philippines and improved varieties in researcher-managed trials in the Philippines. T ...
DOI:
10.2134/agronj2001.1362

18. The Adoption of Rattan Cultivation for Edible Shoot Production in Lao PDR and Thailand—From Non Timber Forest Product to Cash Crop

Author:
Evans Tom D.; Sengdala Khamphone
Source:
Economic botany 2002 v.56 no.2 pp. 147-153
ISSN:
0013-0001
Subject:
Calamus; crops; domestication; forest products; forests; industry; market competition; planting; shoots; Laos; Thailand
Abstract:
... Edible shoots of rattans are traditionally viewed as non timber forest products. However, in Thailand and Lao PDR (Laos) several shoot-bearing species have recently been adopted as crop plants. This new industry is little known outside the region. A description is given of the process of adoption and the characteristics of the species involved, focussing on Calamus tenuis Roxb., the main species p ...
DOI:
10.1663/0013-0001(2002)056[0147:TAORCF]2.0.CO;2

19. Gene constitution of egg white proteins of native chicken in Asian countries

Author:
Kinoshita, K.; Okamoto, S.; Shimogiri, T.; Kawabe, K.; Nishida, T.; Kakizawa, R.; Yamamoto, Y.; Maeda, Y.
ISSN:
1011-2367
Subject:
chickens; egg albumen; alleles; gene frequency; breed differences; genetic polymorphism; genetic distance; phylogeny; China; Nepal; Indonesia; Vietnam; Laos; Thailand; Myanmar; Mongolia
DOI:
10.5713/ajas.2002.157

20. Genetic Resources of Primitive Upland Rice in Laos

Author:
Ishikawa R.; Yamanaka S.; Kanyavong K.; Fukuta Y.; Sato Y-I.; Tang L.; Sato T.
Source:
Economic botany 2002 v.56 no.2 pp. 192-197
ISSN:
0013-0001
Subject:
Oryza sativa; cultivars; grains; heterozygosity; highlands; hulls; isozymes; loci; progeny; roads; Laos; Mekong River
Abstract:
... Primitive upland cultivars (Oryza sativa L.) were collected in northern Laos. One-hundred-thirty-two cultivars were collected in upland fields at 27 sites. Morphological and physiological traits were recorded. The materials were classified into indica and japonica types based on isozyme genotypes. We classified 106 japonica, 16 indica, two intermediate, and eight heterozygous cultivars. The japoni ...
DOI:
10.1663/0013-0001(2002)056[0192:GROPUR]2.0.CO;2

21. Genetic characterization of east and south Asian melons, Cucumis melo, by the analysis of molecular polymorphisms and morphological characters

Author:
Kato, K.; Akashi, Y.; Tanaka, K.; Wako, T.; Masuda, M.
Source:
Acta horticulturae 2002 v. no.588 pp. 217-222
ISSN:
0567-7572
Subject:
Cucumis melo; alleles; enzymes; genetic markers; genetic variation; geographical variation; loci; melons; phylogeny; random amplified polymorphic DNA technique; China; India; Japan; Korean Peninsula; Laos; Myanmar
Abstract:
... Genetic structure and phylogenetic relationship among East and South Asian melons were analyzed, based on geographical variation of molecular markers. The analysis of Indian melon accessions exhibited a continuous variation in seed length, ranging from 4 to 13mm. Most of East Asian melon, vars. makuwa and conomon, were classified as small seed type whose seed length was shorter than 9mm. The frequ ...
DOI:
10.17660/ActaHortic.2002.588.33

22. Performance of growing goats fed Panicum maximum and leaves of Gliricidia sepium

Author:
Phimphachanhvongsod, V.; Ledin, I.
ISSN:
1011-2367
Subject:
chemical composition; dietary protein; Gliricidia sepium; protein supplements; energy intake; feed conversion; goats; traditional farming; Megathyrsus maximus; liveweight gain; protein intake; feed intake; digestibility; leaves; Laos
DOI:
10.5713/ajas.2002.1585

23. SCAR markers and multiplex PCR-based identification of isomorphic species in the Anopheles dirus complex in Southeast Asia

Author:
Manguin, S.; Kengne, P.; Sonnier, L.; Harbach, R.E.; Baimai, V.; Trung, H.D.; Coosemans, M.
Source:
Medical and veterinary entomology 2002 v.16 no.1 pp. 46-54
ISSN:
0269-283X
Subject:
sympatry; random amplified polymorphic DNA technique; disease vectors; Anopheles dirus; nucleotide sequences; malaria; chemotaxonomy; Vietnam; Malaysia; Cambodia; Laos; Thailand; China
Abstract:
... The Anopheles dirus Peyton & Harrison complex of mosquitoes (Diptera: Culicidae) comprises seven known species, including important malaria vectors in Southeast Asia. Specific identification of each species of the complex, which cannot be distinguished using morphological characters, is crucial for understanding vector ecology and implementing effective control measures. Derived from individual ra ...
DOI:
10.1046/j.0269-283x.2002.00344.x
PubMed:
11963981

24. Comparison of organic compounds in the particle-size fractions of earthworm casts and surrounding soil in humid Laos

Author:
Zhang, Xudong; Wang, Jing; Xie, Hongtu; Wang, Jingkuan; Zech, Wolfgang
Source:
Applied soil ecology 2003 v.23 no.2 pp. 147-153
ISSN:
0929-1393
Subject:
silt fraction; nitrogen content; phenols; soil organic matter; microaggregates; tropics; clay; particle size; worm casts; amino sugars; topsoil; soil fertility; sand; lignin; silt; Laos
Abstract:
... Storage of soil organic matter (SOM) in earthworm casts contributes to an improvement of soil fertility, especially in the tropics. This study was conducted to elucidate the incorporation of microbe- and plant-derived organic compounds into earthworm casts in humid Laos. Composite samples of earthworm casts and surrounding topsoil (0-10 cm) were fractionated into the following size fractions: coar ...
DOI:
10.1016/S0929-1393(03)00020-9

25. Efficient and flexible management of nitrogen for rainfed lowland rice

Author:
Linquist, B.; Sengxua, P.
Source:
Nutrient cycling in agroecosystems 2003 v.67 no.2 pp. 107-115
ISSN:
1385-1314
Subject:
economic factors; farmers; grain yield; inflorescences; nitrogen; rain; rice; rice soils; soil organic matter; sowing; tillering; Laos
Abstract:
... Nitrogen (N) is the most limiting nutrient in the rainfed lowland rice soils of Laos. Indigenous N supply of these soils was low, ranging from 12 to 64 kg N/ha and was correlated with soil organic matter content. Resource-poor farmers and erratic rainfall are characteristic features of Lao rainfed lowland rice systems. Such climatic and economic factors influence farmers' ability to apply N at the ...
DOI:
10.1023/A:1025592720538

26. Shifting cultivation in the mountains of South and Southeast Asia: regional patterns and factors influencing the change

Author:
Rasul, G.; Thapa, G.B.
Source:
Land degradation & development 2003 v.14 no.5 pp. 495-508
ISSN:
1085-3278
Subject:
infrastructure; issues and policy; land rights; land tenure; land use; mountains; ownership; people; population growth; shifting cultivation; Bangladesh; India; Indonesia; Laos; Malaysia; Nepal; Thailand
Abstract:
... Shifting cultivation, which long provided the subsistence requirements of a large number of people in the mountains of South and Southeast Asia under a situation of low population, has been shown to be an environmentally and economically unsuitable practice. Efforts have been made throughout the region to replace it with more productive and sustainable land-use systems. Experiences have been mixed ...
DOI:
10.1002/ldr.570

27. Allozyme, Morphological And Nutritional Analysis Bearing On The Domestication of Momordica Charantia L. (Cucurbitaceae)

Author:
Marr Kendrick L.; Mei Xia Yong; Bhattarai Nirmal K.
Source:
Economic botany 2004 v.58 no.3 pp. 435-455
ISSN:
0013-0001
Subject:
Momordica charantia; alleles; allozymes; cultivars; domestication; loci; nutrients; pericarp; principal component analysis; seeds; China; India; Laos; Nepal
Abstract:
... Momordica charantia is grown in tropical areas for its edible fruit as well as other usages. Its original place of domestication is unknown. We collected accessions of both the domesticate and the wild-type from 43 locations in southern China, southeast Nepal, and northern Laos. Analysis of 26 isozyme loci does not clarify the place of domestication, but does strongly suggests that it was a single ...
DOI:
10.1663/0013-0001(2004)058[0435:AMANAB]2.0.CO;2

28. Gaur (Bos gaurus) and Banteng (B. javanicus) in the lowland forest mosaic of Xe Pian Protected Area, Lao PDR: abundance, habitat use, and conservation

Author:
Robert Steinmetz
Source:
Mammalia 2004 v.68 no.2-3 pp. 141-157
ISSN:
1864-1547
Subject:
Bos gaurus; Bos javanicus; Dipterocarpaceae; bamboos; breeding; calves; deciduous forests; habitat fragmentation; habitat preferences; habitats; herds; juveniles; lowland forests; mithuns; people; surveys; wet season; Laos
Abstract:
... Gaur (Bos gaurus) and banteng (Bos javanicus) populations throughout South-east Asia have declined severely because of hunting and habitat fragmentation. Important remnant populations persist in Xe Pian national protected area in southern Lao P.D.R., where sign-based surveys were carried out between 1996 and 1998 to determine their distribution, abundance, and patterns of habitat use. Xe Pian is c ...
DOI:
10.1515/mamm.2004.015

29. Muridae (Rodentia) from the Khammouan Limestone and Xe Piane National Biodiversity Conservation Areas, Lao PDR

Author:
Angela L. Smith; Mark F. Robinson; Maurice Webber
Source:
Mammalia 2004 v.68 no.2-3 pp. 167-173
ISSN:
1864-1547
Subject:
Mus; Rattus; biodiversity conservation; carnivores; caves; conservation areas; hunters; limestone; pellets; surveys; Laos
Abstract:
... This note details the murid specimens collected in 1997, 1998 and 1999 as the result of surveys of 3 sites in Xe Piane and of 11 sites in Khammouan Limestone NBCA, Lao PDR. Cranial and mandibular remains were obtained from raptor pellets collected from caves, hunters and carnivore droppings. Remains of 287 individuals of 13 species of Muridae were identified; three species from Xe Piane NBCA and 1 ...
DOI:
10.1515/mamm.2004.017

30. Allozymic, Morphological, Phenological, Linguistic, Plant Use, and Nutritional Data on Wild and Cultivated Collections of Luffa aegyptiaca Mill. (Cucurbitaceae) from Nepal, Southern China, and Northern Laos

Author:
Marr Kendrick L.; Xia Yong-Mei; Bhattarai Nirmal K.
Source:
Economic botany 2005 v.59 no.2 pp. 137-153
ISSN:
0013-0001
Subject:
Luffa aegyptiaca; allozymes; cultivars; domestication; ethnobotany; fruits; nutrient content; principal component analysis; vascular bundles; wild plants; China; India; Laos; Nepal
Abstract:
... In order to explore the domestication and ethnobotany of Luffa aegyptiaca, collections were made from two regions where wild plants and the domesticate occur: an area in and near southern China, represented by Yunnan Province (China) and northern Laos; and the Indian subcontinent, represented by southeastern Nepal. The allozyme evidence was inconclusive with respect to the region of domestication ...
DOI:
10.1663/0013-0001(2005)059[0137:AMPLPU]2.0.CO;2

31. Allozymic, Morphological, and Phenological Diversity in Cultivated Luffa acutangula (Cucurbitaceae) from China, Laos, and Nepal, and Allozyme Divergence between L. acutangula and L. aegyptiaca

Author:
Marr Kendrick L.; Bhattarai Nirmal K.; Xia Yong-Mei
Source:
Economic botany 2005 v.59 no.2 pp. 154-165
ISSN:
0013-0001
Subject:
Luffa acutangula; alleles; allozymes; cultivars; fruits; genetic variation; loci; male flowers; seeds; small fruits; vegetables; China; India; Laos; Nepal
Abstract:
... The immature fruits of domesticated Luffa acutangula (L.) Roxb. are a common vegetable in Asia and India. To learn more about traditional cultivars, accessions were collected from southern Yunnan Province of China, northern Laos, and southeastern Nepal, and assessed for various parameters of genetic diversity. The size and shape of the fruits and seeds varied considerably. A form that we found cul ...
DOI:
10.1663/0013-0001(2005)059[0154:AMAPDI]2.0.CO;2

32. Common property as enclosure: a case study of a backswamp in southern Laos

Author:
Tubtim, N.; Hirsch, P.
Source:
Society & natural resources 2005 v.18 no.1 pp. 41-60
ISSN:
0894-1920
Subject:
public lands; property rights; natural resource management; wetlands; fisheries; freshwater aquaculture; community supported agriculture; community development; case studies; Laos
DOI:
10.1080/08941920590881925

33. Comparison of the genetic diversity in two species of cycads

Author:
Xiao, L.; Gong, X.; Hao, G.; Ge, X.; Tian, B.; Zheng, S.
Source:
Australian journal of botany 2005 v.53 no.3 pp. 219-223
ISSN:
0067-1924
Subject:
Cycas; genetic variation; microsatellite repeats; genetic markers; geographical variation; China; Vietnam; Thailand; Myanmar; Laos
DOI:
10.1071/BT04052

34. Gene flow from cultivated rice (Oryza sativa L.) to wild Oryza species (O. rufipogon Griff. and O. nivara Sharma and Shastry) on the Vientiane plain of Laos

Author:
Yosuke Kuroda; Yo-Ichiro Sato; Chay Bounphanousay; Yasuyuki Kono; Koji Tanaka
Source:
Euphytica 2005 v.142 no.1-2 pp. 75-83
ISSN:
0014-2336
Subject:
Oryza sativa; rice; interspecific hybridization; wild relatives; Oryza rufipogon; Oryza nivara; gene flow; genetic variation; hybrids; quantitative traits; principal component analysis; Laos
Abstract:
... Although Asian cultivated rice (Oryza sativa) and its annual (O. nivara) and perennial (O. rufipogon) wild relatives can freely exchange genes under experimental conditions, little is known about gene flow from the cultivated to these two wild species in natural habitats. The area of study was the Vientiane plain of Laos, at the center of the glutinous rice zone. The objectives of this study were ...
DOI:
10.1007/s10681-005-0529-3

35. Herbivory on aquatic vascular plants by the introduced golden apple snail (Pomacea canaliculata) in Lao PDR

Author:
Nils O.L. Carlsson; Jean O. Lacoursière
Source:
Biological invasions 2005 v.7 no.2 pp. 233-241
ISSN:
1387-3547
Subject:
Eichhornia crassipes; Ipomoea aquatica; Lemna minor; Pomacea canaliculata; aquatic plants; biomass; ecological invasion; field experimentation; freshwater ecosystems; grazing; herbivores; introduced plants; plant growth; snails; surveys; vascular plants; wetlands; Laos
Abstract:
... The effect of naturally found densities of the exotic and herbivorous golden apple snail (Pomacea canaliculata) on three dominant aquatic plants – duckweed (Lemna minor), water hyacinth (Eichhornia crassipes) and morning glory (Ipomoea aquatica) – was assessed in a wetland survey and quantified in a field experiment in Laos in southeast Asia. Snail grazing reduced plant biomass, but plant species ...
DOI:
10.1007/s10530-004-0741-4

36. Herbivory on aquatic vascular plants by the introduced golden apple snail (Pomacea canaliculata) in Lao PDR

Author:
Carlsson, N.O.L.; Lacoursiere, J.O.
Source:
Biological invasions 2005 v.7 no.2 pp. 233-241
ISSN:
1387-3547
Subject:
Pomacea canaliculata; introduced species; invasive species; herbivores; food plants; wetland plants; Lemna minor; Eichhornia crassipes; Ipomoea aquatica; plant growth; feeding preferences; Laos

37. Selection strength and hitchhiking around two anti-malarial resistance genes

Author:
Nash, D.; Nair, S.; Mayxay, M.; Newton, P.N.; Guthmann, J.P.; Nosten, F.; Anderson, T.J.C.
Source:
Proceedings 2005 v.272 no.1568 pp. 1153-1161
ISSN:
0962-8452
Subject:
malaria; Plasmodium falciparum; drug resistance; dihydrofolate reductase; microsatellite repeats; genetic variation; point mutation; linkage disequilibrium; human health; Thailand; Laos
DOI:
10.1098/rspb.2004.3026
PubMed:
16024377
PubMed Central:
PMC1559806

38. Temperature sensitivity of soil CO₂ production in a tropical hill evergreen forest in northern Thailand

Author:
Shoji Hashimoto
Source:
Journal of forest research 2005 v.10 no.6 pp. 497-503
ISSN:
1610-7403
Subject:
carbon; carbon dioxide; climate change; evergreen forests; research; soil; temperature; Laos; Myanmar; Thailand
Abstract:
... Tropical forests, like boreal forests, are considered key ecosystems with regard to climate change. The temperature sensitivity of soil CO₂ production in tropical forests is unclear, especially in eastern Asia, because of a lack of data. The year-round variation in temperature is very small in tropical forests such that it is difficult to evaluate the temperature sensitivity of soil CO₂ production ...
DOI:
10.1007/s10310-005-0168-5

39. Ascalaphid Studies V. Revision on the Genus of Nousera (Neuroptera: Ascalaphidae)

Author:
L. Ábrahám; Z. Mészáros
Source:
Acta phytopathologica et entomologica Hungarica 2006 v.41 no.3-4 pp. 317-329
ISSN:
0238-1249
Subject:
Ascalaphidae; homonym; new species; nomen novum; redescriptions; Laos; Pakistan; Thailand
Abstract:
...

Studying ascalaphid materials from Thailand, Laos and Pakistan the authors determined specimens which belonged to the genus of Nousera. In this paper the redescription of the genus of Nousera and its type species, Nousera gibba Navás, 1923 can be found. Besides Nousera herczigi, a new species from ...

DOI:
10.1556/APhyt.41.2006.3-4.14

40. Cropping intensity and rainfall effects on upland rice yields in northern Laos

Author:
Saito, K.; Linquist, B.; Keobualapha, B.; Phanthaboon, K.; Shiraiwa, T.; Horie, T.
Source:
Plant and soil 2006 v.284 no.1-2 pp. 175-185
ISSN:
0032-079X
Subject:
rice; insect pests; soil nutrients; nitrogen; Oryza sativa; nutrient availability; fallow; crop yield; rain; Aphidoidea; phosphorus; Laos
DOI:
10.1007/s11104-006-0049-5

41. Determining the structure of a radial basis function network for prediction of nonlinear hydrological time series

Author:
Source:
Hydrological sciences journal 2006 v.51 no.1 pp. 21-44
ISSN:
0262-6667
Subject:
data collection; equations; hydrologic data; least squares; linear models; prediction; rivers; stochastic processes; surface water temperature; time series analysis; Laos; Mekong River; Thailand
Abstract:
... A network using radial basis functions (RBFs) as the mapping function in the evolutionary equation for prediction of time series is presented. An RBF network requires the determination of the number of centres of RBFs, their receptive field widths and the linear weights of the network output layer. Traditionally, the number of centres of RBFs is fixed. In this paper, methods to estimate the widths ...
DOI:
10.1623/hysj.51.1.21

42. Effects of human-carnivore conflict on tiger (Panthera tigris) and prey populations in Lao PDR

Author:
Johnson, A.; Vongkhamheng, C.; Hedemark, M.; Saithongdam, T.
Source:
Animal conservation 2006 v.9 no.4 pp. 421-430
ISSN:
1367-9430
Subject:
Panthera tigris; animal husbandry; anthropogenic activities; cameras; carnivores; conservation areas; grazing; habitats; human population; humans; livestock; people; population density; ungulates; zoning; Laos
Abstract:
... Unique to South-east Asia, Lao People's Democratic Republic contains extensive habitat for tigers and their prey within a multiple-use protected area system covering 13% of the country. Although human population density is the lowest in the region, the impact of human occurrence in protected areas on tiger Panthera tigris and prey populations was unknown. We examined the effects of human-carnivore ...
DOI:
10.1111/j.1469-1795.2006.00049.x

43. Environmental and Socioeconomic Impacts of Increasing Rubber Plantations in Menglun Township, Southwest China

Author:
Wenjun Liu; Huabin Hu; Youxin Ma; Hongmei Li
Source:
Mountain research and development 2006 v.26 no.3 pp. 245-253
ISSN:
0276-4741
Subject:
agroecology; income; land use and land cover maps; research and development; rubber; rubber industry; satellites; sugars; tea; tropical rain forests; China; Laos
Abstract:
... Significant changes in land use and land cover have occurred in Menglun Township, Xishuangbanna Autonomous Prefecture, southwest China. This is a region of high agro-ecological diversity representative of the general biophysical and socioeconomic conditions of Xishuangbanna. An analysis of satellite images showed that from 1988 to 2003, rubber plantations increased by 324%; this expansion generall ...
DOI:
10.1659/0276-4741(2006)26%5B245:EASIOI%5D2.0.CO;2

44. Forests, marketization, livelihoods and the poor in the Lao PDR

Author:
Rigg, J.D.
Source:
Land degradation & development 2006 v.17 no.2 pp. 123-133
ISSN:
1085-3278
Subject:
rural development; rural economics; rural communities; forests; nontimber forest products; forest policy; market orientation; forest economics; rural population; globalization; forest resources; forest decline; livelihood; Laos
DOI:
10.1002/ldr.719

45. Genetic Erosion from Modern Varieties into Traditional Upland Rice Cultivars (Oryza sativa L.) in Northern Thailand

Author:
Ishikawa, R.; Yamanaka, S.; Fukuta, Y.; Chitrakon, S.; Bounphanousay, C.; Kanyavong, K.; Tang, L.H.; Nakamura, I.; Sato, T.; Sato, Y.I.
Source:
Genetic resources and crop evolution 2006 v.53 no.2 pp. 245-252
ISSN:
0925-9864
Subject:
cultivars; rice; loci; landraces; wide hybridization; Oryza sativa; heterozygosity; gene flow; plastids; genetic drift; plant genetic resources; isozymes; genetic markers; Laos; Thailand
Abstract:
... The purpose of this study was to assess the extent of genetic erosion of traditional upland germplasm in northern Thailand as a result of gene-flow from distinct strains carrying different genotypes. Even modern variety specific markers have not been developed, there is a comparative population in Laos. Thus, both populations were compared with various characters to evaluate gene-flow from modern ...
DOI:
10.1007/s10722-004-6132-y

46. Linking aquatic resources and rural livelihoods: A case from southern Lao PDR

Author:
Meusch, E.
Source:
Subtropical plant science 2006 v.19 no.6-7 pp. 767
ISSN:
0485-2044
Subject:
Food and Agriculture Organization; rice; aquatic organisms; public health; aquaculture; nutritional status; poverty; farming systems; food availability; food security; rural areas; human nutrition; Laos
DOI:
10.1016/j.jfca.2006.03.007

47. Local Initiatives to Link Farmers to Markets in Upland Laos

Author:
Joost Foppes; Souvanpheng Phommasane
Source:
Mountain research and development 2006 v.26 no.3 pp. 200-204
ISSN:
0276-4741
Subject:
capital; forests; highlands; markets; prices; research and development; site preparation; Laos
Abstract:
... Upland communities in Laos have the benefit of access to relatively large tracts of land, compared with neighboring countries. Yet these communities use their resources mainly for subsistence production (Figure 1). Adding value to agricultural and forest products remains difficult: replacing products that are depleted in the wild with plantations takes time—often requiring a considerable initial i ...
DOI:
10.1659/0276-4741(2006)26%5B200:LITLFT%5D2.0.CO;2

48. Medicinal plants: An important asset to health care in a region of Central Laos

Author:
Libman, A.; Bouamanivong, S.; Southavong, B.; Sydara, K.; Soejarto, D.D.
Source:
Journal of ethnopharmacology 2006 v.106 no.3 pp. 303-311
ISSN:
0378-8741
Subject:
indigenous species; ethnobotany; traditional medicine; herbal medicines; medicinal plants; plant extracts; medicinal properties; Laos
Abstract:
... A field survey of commonly used medicinal plants in the district of Paksan, Bolikhamsai Province in the Lao People's Democratic Republic (Lao P.D.R.) indicates that 55 species of plants, belonging to 49 genera in 31 families of vascular plants, are used in day-to-day medical therapy. Lao names along with uses and preparations for remedies are given. Seven species have medicinal uses that overlap w ...
DOI:
10.1016/j.jep.2005.11.034

49. Plant Diversity in Paddy Fields in Relation to Agricultural Practices in Savannakhet Province, Laos

Author:
Kosaka Yasuyuki; Takeda Shinya; Sithirajvongsa Saysana; Xaydala Khamleck
Source:
Economic botany 2006 v.60 no.1 pp. 49-61
ISSN:
0013-0001
Subject:
good agricultural practices; livelihood; paddies; people; rare species; species diversity; vegetation types; villages; weeds; Laos
Abstract:
... This paper reports a study of paddy vegetation in central Laos. Plants were inventoried and vegetation types classified. Relationships between vegetation and agricultural practices were identified. A total of 184 wild herbaceous species and 17 cultivated species were recorded in two villages. Of the wild species, 19 were used by local people, four were rare species, and three were major weeds. Pad ...
DOI:
10.1663/0013-0001(2006)60[49:PDIPFI]2.0.CO;2

50. Population Research of Genetic Polymorphism at Amino Acid Position 631 in Chicken Mx Protein with Differential Antiviral Activity

Author:
Seyama, T.; Ko, J. H.; Ohe, M.; Sasaoka, N.; Okada, A.; Gomi, H.; Yoneda, A.; Ueda, J.; Nishibori, M.; Okamoto, S.; Maeda, Y.; Watanabe, T.
Source:
Biochemical genetics 2006 v.44 no.9-10 pp. 432-443
ISSN:
0006-2928
Subject:
Gallus gallus; Gallus varius; amino acid sequences; amino acid substitution; amino acids; animal proteins; antiviral properties; chicken breeds; chickens; genes; guanosinetriphosphatase; restriction fragment length polymorphism; Indonesia; Laos
Abstract:
... A single amino acid substitution between Asn and Ser at position 631 in the chicken Mx protein has been reported to determine resistant and sensitive antiviral activity. In this study, we investigate whether various kinds of chicken breeds and jungle fowls carry the resistant or sensitive Mx allelic gene by using the mismatched PCR-restriction fragment length polymorphism (RFLP) technique. In tota ...
DOI:
10.1007/s10528-006-9040-3