Готові списки джерел за темами / Delta of Vietnam

Добірка наукової літератури з теми "Delta of Vietnam"

Автор: Grafiati
Опубліковано: 7 вересня 2022

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Статті в журналах з теми "Delta of Vietnam"

1

Thanh Truc, Ngo Thi, and Le Vinh Thuc. "Impacts of adopting specialized agricultural programs relying on “good practice” – Empirical evidence from fruit growers in Vietnam." Open Agriculture 7, no. 1 (January 1, 2022): 39–49. http://dx.doi.org/10.1515/opag-2022-0069.

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Abstract Vietnamese Good Agricultural Practice (VietGAP) has been introduced in many provinces in the Mekong Delta, Vietnam to enhance the competitive advantage to fruit growers, including Idor longan (Dimocarpus longan Lour.) growers, to explore the stricter domestic and export markets and increase the income of the fruit growers in the Mekong Delta, Vietnam. This article presents a case study on the impacts of adopting VietGAP on the income of fruit growers (Idor longan) in the Mekong Delta by applying both T-test and Propensity Score Matching of 180 VietGAP and non-VietGAP adopters. The results show that applying VietGAP can reduce production cost, increase revenue, and profit to fruit growers. This is evidence to prove the benefits of adopting VietGAP and encourage the expansion of VietGAP to many fruits and other agricultural sectors in Vietnam.
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2

Wallace, John. "Psychiatry in Vietnam: a personal impression." Psychiatric Bulletin 21, no. 12 (December 1997): 779–80. http://dx.doi.org/10.1192/pb.21.12.779.

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After the fall of South Vietnam to North Vietnamese forces in 1975, Vietnam has remained virtually isolated from the rest of the world. With the global political changes of the past 10 years. the Hanoi Government succeeded in reducing Vietnam's international isolation in part by attempting to open the country's door to foreign visitors. The country stretches along the eastern coast of the Indo-Chinese peninsula and is slightly larger than Italy. It is ‘S-shaped’, broad in the north and south and very narrow in the centre (Fig. 1). The country's main cultivated areas are the Red River delta in the north and the Mekong delta containing Ho Chi Min city (Saigon) in the south.
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3

Dapice, David, and Vo Tong Xuan. "The Mekong Delta." Journal of Macromarketing 32, no. 1 (November 30, 2011): 147–51. http://dx.doi.org/10.1177/0276146711426433.

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The Mekong Delta is the agricultural heart of Vietnam and home to nearly 20 million people. Its contributions to the entire country and global food consumers are enormous. The Delta’s delicate ecosystem, however, is distressed by several domestic and regional forces, including rural development, resource mismanagement, upstream damming, climate change, and failure to implement policies to link several systems. The authors examine trends and forces affecting the Delta and offer plausible adjustments to enhance the watershed’s well-being. Solutions will come from scale economies; higher value crops and branding; improvements to marketing channels, technologies to improve data collection and analysis, crop yields, and communication; foreign and domestic investment; and integrative policies to sustain Vietnam’s southern Delta and the entire Mekong Basin.
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4

Hebert, Detlef, Bui Hoc, and Hanspeter Jordan. "Isotope-hydrogeological studies of Bacbo- and Nambo-Delta (Vietnam)." Zeitschrift der Deutschen Geologischen Gesellschaft 143, no. 2 (January 1, 1992): 356–66. http://dx.doi.org/10.1127/zdgg/143/1992/356.

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5

Hebert, D., B. Hoc, H. Jordan, and P. Szymczak. "Isotopenhydrogeologische Untersuchungen Im Bacho-Delta (Vietnam)." Isotopenpraxis Isotopes in Environmental and Health Studies 28, no. 3-4 (May 1993): 295–302. http://dx.doi.org/10.1080/10256019308046118.

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6

Schuler, Paul. "Vietnam in 2021." Asian Survey 62, no. 1 (January 2022): 73–82. http://dx.doi.org/10.1525/as.2022.62.1.07.

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Анотація:
COVID-19 and the Party Congress dominated the headlines in Vietnam in 2021. This essay reviews the leadership changes after the Party Congress and the challenges the new leaders faced in confronting the Delta variant of COVID-19. It also considers other economic challenges that have simmered under the surface, such as its approach to securing infrastructure funding, particularly in the energy sector. It concludes by considering Vietnam’s international posture relating to the US and China.
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7

Mishra, Ashok K., and Valerian O. Pede. "Perception of climate change and adaptation strategies in Vietnam." International Journal of Climate Change Strategies and Management 9, no. 4 (August 21, 2017): 501–16. http://dx.doi.org/10.1108/ijccsm-01-2017-0014.

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Анотація:
Purpose The purpose of this study is to first examine the factors affecting the intra-household perception of climate change. Second, the study investigates the impact of the perception of climatic stress on the operators’ and spouses’ intra-household adaptation strategies (farm and household financial strategies). Design/methodology/approach The study uses household survey data from Vietnam’s Mekong Delta. The study uses probit and negative binomial count data approaches to evaluate the empirical model. Findings Results confirm the existence of intra-household gender differences in the adaptation strategies. The authors found that although spouses perceive climatic stress, they are less likely to adapt to such stresses when it comes farming enterprise, but more likely to adapt to household financial strategies. In contrast, farm operators, in the presence of climatic stresses, undertake both farm and household finance adaptation strategies. Practical implications Investment in climate smart agriculture can help households in managing climatic stresses. Originality/value A farmer in Asia, and Vietnam in particular, faces significant risks from climatic changes. In Vietnam, agriculture is easily affected by natural disasters and climatic changes. This study provides insights into the perception of climatic changes by operators and spouses in Vietnam’s Mekong Delta. Perceived changes in the climate have a greater impact on women because they typically lack the necessary tools to adapt to climate change. The current findings could be useful in managing climatic risk in Vietnam’s Mekong Delta and be helpful to policymakers in designing risk management strategies in response to climatic changes.
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8

Hanh, Doan Thi My, Ma Bich Tien, and Dang Thanh Liem. "Investing In the Mekong River Delta of Vietnam – The Opportunity for Small and Medium Enterprises of Korea." Business and Economic Research 8, no. 3 (August 31, 2018): 164. http://dx.doi.org/10.5296/ber.v8i3.13580.

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Анотація:
This article provides a direction for furfure research in small and medium enterprises invest in foreigner countries; specially in Vietnam market. The major projects that Korea Enterprises invested covered mostly in the Northern of Vietnam provinces such as Bac Ninh, Ha Noi, Hai Phong, Thai Nguyen. Meanwhile, in southern Vietnam, the Mekong River Delta region with many projects calling for investment in agriculture and tourism has not attracted much attention from Korean investors. The article using the method of descriptive statistics to overview the project investment in agriculture and tourism of the Mekong Delta of Vietnam and points out the advantages of Korean small and medium enterprises (SMEs) in these two sectors. The results of study showed that Mekong River Delta has incentive policies for investment. Besides, with the general policy of Vietnamese government for agriculture and tourism projects, they had incentive policies for foreigner invest in these fields. Moreover, Korea has many small and medium enterprises (SMEs) as well as investing experience in Vietnam. This articles strongly encourages the research of the opportunity for foreigner SMEs invest in tourism and agriculture in other countries, especially emerging market as Vietnam.
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9

Hung, Nguyen Nghia, José Miguel Delgado, Vo Khac Tri, Le Manh Hung, Bruno Merz, András Bárdossy, and Heiko Apel. "Floodplain hydrology of the Mekong Delta, Vietnam." Hydrological Processes 26, no. 5 (June 11, 2011): 674–86. http://dx.doi.org/10.1002/hyp.8183.

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10

Balica, Stefania, Quang Dinh, Ioana Popescu, Thanh Q. Vo, and Dieu Q. Pham. "Flood impact in the Mekong Delta, Vietnam." Journal of Maps 10, no. 2 (November 12, 2013): 257–68. http://dx.doi.org/10.1080/17445647.2013.859636.

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Більше джерел

Дисертації з теми "Delta of Vietnam"

1

Maren, D. S. van. "Morphodynamics of a cyclic prograding delta : the Red River, Vietnam /." Utrecht : Royal Dutch Geographical Soc. [u.a.], 2004. http://www.gbv.de/dms/goettingen/396699715.pdf.

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2

Nguyen, Duc Truyen. "Politiques de l'État vietnamien et stratégies paysannes : l'exemple du delta du Fleuve rouge (1945-2005)." Paris, EHESS, 2006. http://www.theses.fr/2006EHES0070.

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Анотація:
La thèse s'attache à comprendre les tensions entre politiques agraires de l'État vietnamien et stratégies paysannes confrontées depuis l'avènement du régime communiste en 1945, jusqu'au passage à l'économie de marché. À partir d'une étude de terrain dans le Delta du fleuve Rouge, la thèse retrace dans une première partie la violence de la transition à la collectivisation, les antagonismes entre paysans créés par le régime, et les échecs économiques qui s'ensuivent. Dans une deuxième partie, on a montré le long processus de restauration de l'économie domestique, fondée dans un premier temps sur le travail à côté des paysans sur leurs lopins de terre, reconnue après le Doi Moi, et qui a permis aux paysans de devenir pluriactifs. Dans une troisième partie, on a mis en évidence les effets de la transition à «l'économie de marché à orientation socialiste», en analysant l'organisation des producteurs par filières et les diverses formes de crédits qui organisent une argriculture industrielle et commerciale au détriment de l'agriculture domestique. En conclusion, on s'est interrogé sur le paradoxe entre le régime communiste et l'intensification de la logique du marché, en sorte que l'économie domestique, dont on a montré les atouts, est dans un rapport de force peu favorable en raison du désengagement de l'État.
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3

Phan, Thanh Lam. "Sustainable development of export-orientated farmed seafood in Mekong Delta, Vietnam." Thesis, University of Stirling, 2014. http://hdl.handle.net/1893/20752.

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Анотація:
Aquaculture is playing an important role in the development of fisheries in Vietnam, a role which has accelerated since 2000. Sustainability in aquaculture is receiving increasing attention, and this issue is not only the concern of government, but also stakeholders participating in the value chain. Therefore, this study aims to identify sustainability issues of farmed seafood by assessing the main sustainability issues raising concern. The Global Value Chain framework described by Gereffi et al. (2005) is applied for this study to explore the business relationships in supply chain and the perceptions of sustainability concerned by the value chain actors. A combination of qualitative and quantitative methods was used to collect data. An assessment of four species cultured on the Mekong Delta, the countries farmed seafood ‘hub’, found a clear distinction between species cultured with a local domestic market orientation (Giant Freshwater Prawn Macrobrachium rosenbergii; and Tilapia Oreochromis niloticus) and the two key export commodities - Striped catfish (Pangasianodon hypophthalmus) and Penaeid shrimp (Penaeus monodon & Litopenaeus vannamei). These orientations were based on a range of factors including the development of effective seed supplies and the cultural value of marketing in the live format. This study, conducted in ten provinces in the Mekong Delta from 2009 to 2013 had a focus on understanding the export-orientated commodities, striped catfish and shrimp through collection of baseline information on the value chain of farmed seafood, focusing on the farming sector, the actors and institutions involved and beneficiaries. Sustainability issues and perceptions of experts (top-down) and primary stakeholders (bottom-up) opinions were assessed through participatory workshops. Shrimp and striped catfish production are mainly farmed for export, with 83% and 95% of its production, respectively, leaving the country mainly after processing. Currently, mainly families operate small-/medium-scale farms; while large-farms are integrated within seafood processors. Production efficiency of large-farms tends to be better than small-/medium farms. Many striped catfish and shrimp farms are likely to reach several standard criteria such as economic feed conversion ratio (eFCR), stocking density, no banned chemical/drug and wild-seed use, and land property rights; however, there were still many standard criteria that existing farms could not meet such as effluent management, farm registration, fishmeal control, farm hygiene and record-keeping requirement. Hence, current farming practices, especially small-/medium farms have a long way to go to meet emergent international food standards. Recently, many small-/medium catfish farms faced problems with low fish prices, so they have had to cease catfish farming activities and temporarily stop farming; while some larger farms also had to temporarily stop farming. Therefore, fish price has tended to be a main driving force for catfish farm changes. In the shrimp industry, there were technical changes occurring in the high intensity level of shrimp farms (HiLI); whereas, the remaining shrimp farms had fewer changes in farm management. Most HiLI shrimp farms were affected by AHPNS disease, which was a main factor driving their farm changes. Many perceptions of sustainability were identified by stakeholder groups, however seven sustainability issues had a high level of agreement among stakeholders including input cost, capital & credit costs, unstable markets, government regulation & policy, disease, seed quality, water quality and water availability factors. Hatcheries, farmers and manager groups were more concerned about environmental issues; while for the input suppliers and processors, economics was the main issue. Farmers and processors were two main actors that played an important role in the production process of the value chain. Small-/medium farms dominated the number of farms overall and still played an important role in primary production. However, small-scale farms were considered as more vulnerable actors in the value chain, and they faced more difficulties in meeting increasing requirements on food quality/safety. To maintain the position in the value chain, the solutions could be horizontal and vertical coordination. Thus policy makers will need to find ways to include them in the planning processes. To reach sustainability will require the efforts of direct stakeholders, the role of the state agencies is essential in negotiation and diplomacy to create partnerships with the seafood importing countries. However, efforts to develop sustainable production become impossible without participation from importers, retailers and consumers.
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4

Phan, Thi Hai Van. "L'arsenic dans les écosystèmes du sud-est asiatique : Mekong Delta Vietnam." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAU003/document.

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Анотація:
On retrouve des contaminations d’aquifèr à l’arsenic dans touts les deltaï de l'Asie du Sud-Est, y compris dans le delta du Mékong, ce qui affecte la santé de millions de personnes. L’arsenic est très sensible aux fluctuations des conditions redox qui sont générés par les cycles alternés humides/secs pendant la saison de mousson. Une étude sur les caractéristiques géophysiques et chimiques du sol et des eaux souterraines dans le district de An Phu, dans le haut du delta du Mékong au Vietnam, suggère une forté contamination à l’As dans cette région. Les données chimiques et géophysiques indiquent une forte corrélation entre concentrations dans les eaux souterraines anoxiques et conductivité des sols. La liberation de l’arsenic est associée à la dissolution réductrice induih par des microorganisms des colloïdes et (oxyhydr)oxydes de fer dans des conditions d'oxydo-réduction oscillantes. La présence de bactéries sulforéductrices a le potentiel de stabiliser l’arsenic dans la phase solide et de l’atténuer dans la phase aqueuse par adsorption / désorption de l’arsenic sur les (oxyhydr)oxydes, et / ou sulfures de fer via la formation de complexes thiols. En raison de la teneur en pyrite élevée dans les sédiments, l'oxydation de la pyrite peut abaisser le pH et conduire à l'inhibition de la réduction microbienne du sulfate et aime empêcher la séquestration de l’arsenic dissous. Bien que le cycle biogéochimique de l’arsenic dans un système dynamique d’oxydoréduction soit une problématique complexe, il a été possible de renforcer notre compréhension de ce système
Aquifer arsenic (As) contamination is occuring throughout deltaic areas of Southeast Asia, including the Mekong Delta, and affects the health of millions of people. As is highly sensitive to fluctuations of redox conditions which are generated by the alternating wet-dry cycles during the monsoonal seasons. A survey of geophysical and chemical characteristics of soil and groundwater in the An Phu district, located in the vicinity of the Mekong Delta in Vietnam, shows the occurrence high As aqueous concentration in this region. Chemical and geophysical data indicate a strong positive correlation between As concentrations in the anoxic groundwater and conductivity of soils. In addition, mechanisms of As release are shown to be associated with colloidal and iron (oxyhydr)oxides which undergo microbial mediated reductive dissolution under redox oscilatting conditions. The presence of sulfate microbial reduction potentially stabilizes As in the solid phase and diminish As in the aqueous phase through the adsorption/desorption of As onto iron (oxyhydr)oxides and/ or sulfides with formation of thiols complexes in solid phase. Because of the high pyrite content in sediment, pyrite oxidation may drop in pH values, leads to inhibition of sulfate reducing bacteria and reduces sequestration of dissolved As. Although the biogeochemical cycling of redox sensitive species such as As in dynamic systems is challenging, it has been possible to strengthen our collective understanding of such system
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5

Scornet, Catherine. "Fécondité et politique dans le delta du fleuve rouge (Viet-Nam)." Paris 5, 2000. http://www.theses.fr/2000PA05H048.

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Анотація:
Le Viêt-Nam présente des caractéristiques physiques, économiques et culturelles sur lesquelles les gouvernements successifs se sont fondes depuis le début des années soixante pour élaborer leur politique de réduction de la fécondité, soit en s'appuyant sur elles, soit en les contournant. La thèse montrera que, dans le delta du fleuve rouge, le mode de production agricole (la riziculture inondée) et le système des valeurs (le culte des ancêtres) ont induit le choix de la politique de limitation des naissances et les modalités de son application. A titre d'exemple, la riziculture inondée nécessite une main-d'œuvre nombreuse, le culte des ancêtres nécessite d'avoir au moins un fils, mais ces logiques économiques et culturelles conduisant à une fécondité élevée entrent en conflit avec les contraintes liées au milieu, notamment la forte pression démographique sur les terres. En élaborant des mesures nationales pour contrer la croissance démographique, le pouvoir politique vietnamien a défini un cadre général, mais face aux contraintes spécifiques à la région du delta du fleuve rouge, les pouvoirs locaux (au niveau de la province, du district et de la commune) ont eu des marges de manœuvre importantes pour adapter leurs politiques démographiques aux particularités locales. Deux communes du delta ont donné lieu à un travail de terrain, An Hiep dans la province de Thai Binh et Ninh Hiep dans la province de Hanoi. Ce travail, réalisé entre janvier 1994 et juin 1997, a consisté en entretiens semi-directifs individuels ou collectifs auprès des habitants des communes et des responsables politiques au niveau communal, du district, de la province et à l'échelon national. La thèse utilise ces entretiens en complément des données de l'enquête démographie et sante de 1988, du recensement de 1989, de l'enquête intercensitaire de 1994 et de l'enquête démographie et sante de 1997.
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6

Phạm, Thúy Hương. "Transition de la nuptialité au Viêt-Nam : le cas du delta du fleuve Rouge." Paris 5, 1998. http://www.theses.fr/1998PA05H061.

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Анотація:
En Asie, la transition de la nuptialité est en cours depuis les années 1970, partant du modèle traditionnel vers le modèle " moderne " qui se caractérise par un recul de l’âge au premier mariage, une augmentation de la proportion des célibataires définitifs, un accroissement de l'instabilité conjugale et une tendance plus individualiste dans la formation des couples. Bien que le Viêt-Nam, comme la plupart des pays asiatiques, n'ait pas un niveau de développement élevé et reste attache à sa culture traditionnelle, il présente des caractéristiques socio-économiques spécifiques. Dans ce contexte, comment la transition de la nuptialité se passe-t-elle au Viêt-Nam ? Cette recherche, consacrée à la population du delta du fleuve rouge, veut apporter des réponses à la question posée. Les différents aspects de la nuptialité ont été examines : la formation des couples ; le calendrier et l'intensité du premier mariage ; les relations sexuelles prénuptiales et la rupture d'union, en particulier le divorce. Les résultats obtenus ont mis en évidence un modèle de transition avec quatre types d'évolution dans les comportements : la rupture, la continuité, l'innovation et un certain retour au mariage traditionnel
In Asia, the nuptiality transition began in the 1970s, with marriage patterns moving from the traditional patterns to the "modem" ones, characterized by a drop in the age at first marriage, a growth of never-married people, an increase of conjugal instability, and a move towards love marriage, away from arranged marriages. Vietnam, like some of its Asian neighbors, has a relatively low level of economic development, a strong sense of preservation of traditional culture, but Vietnam is also unique in some ways. How does marriage transition take place in such a context, then? We try to find answers to that question, using data from the red river delta population. Different aspects of nuptiality have been examined: couple formation ; timing and prevalence of first marriage ; premarital sexual relations and splitting of unions, particularly divorce. The results of this research have revealed a transition pattern containing four types of behavior development: breaking off, going on, innovation and return to traditional marriage
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7

Bui, Ngoc Thi Quynh. "Accomodating traditions of hospitality in a tourist region : the Mekong Delta, Vietnam." Thesis, University of Birmingham, 2018. http://etheses.bham.ac.uk//id/eprint/8593/.

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Анотація:
While there has been a significant focus on how hospitality was commodified, commercialised and standardised in the literature, less attention is given to the extent of which local traditions and hospitality change and adapt to the demand of tourists. Through an empirically grounded investigation, this thesis at micro-level gives an insight to how local hospitality and traditions in Mekong Delta (Vietnam) transform in homestay practice under the pressure of tourism development. Normally, the local traditions and hospitality are offered by the host and experienced by the guests. However by focusing on contact zone, the settings and decoration of homestays, this thesis shows this mechanism in Mekong Delta is not one way but a dynamic process. The guests do not only passively receive but also have influences on what the hosts can offer. In fact, the homestay providers have capitalised on what tourists want to see. As consequence, local traditions and hospitality are changing and subject to re-invention to adapt to legal requirements, tourists demands, and social context. Ironically, tourists are using homestay believing they are experiencing true Vietnamese culture, while actually the local Vietnamese people are changing their traditional home styles and behaviour to accommodate the tourists.
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8

Long, Nguyen Tien. "Sustainabilty assessment of vegetable cultivation systems in the Red River Delta, Vietnam." Doctoral thesis, Humboldt-Universität zu Berlin, Landwirtschaftlich-Gärtnerische Fakultät, 2013. http://dx.doi.org/10.18452/16763.

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Анотація:
Zur Einschätzungen und Bewertung der Nachhaltigkeit der gegenwärtigen Gemüseproduktion im Roten-Fluss-Delta, Vietnam, erfolgten empirische Untersuchungen zur Ermittlung und Bewertung eines Nachhaltigkeitsindex unter Nutzung verschiedener Lösungsansätze. Die Analysen und Einschätzungen wurden aus ökologischer ökonomischer und sozialer Sicht vorgenommen. Die erfassten Daten wurden unter Nutzung von zwei Methoden ausgewertet, der Mehr-Kriterien-Bewertungsmethode Analytic Hierarchy Process (AHP) und der Fuzzy Bewertungsmethode. In Workshops wurden mit den Farmern Präferenzen als Element der AHP, zu den Kriterien die Ausdruck der Nachhaltigkeit sind, erarbeitet. Es wurde herausgearbeitet, dass im ländlichen Raum, die Gemüseproduktion nachhaltig ist, im Peri-urbanen Raum wurde eine geringe Nachhaltigkeit ermittelt und im urbanen Raum keine Nachhaltigkeit. Im Ergebnis der Forschungsarbeit wurde herausgearbeitet, dass für einen nachhaltigen Gemüse-Anbau im Roten-Fluss-Delta, die Farmer ihr Kontrollsystem und System der Nachverfolgbarkeit verbessern müssen. Gleichermaßen ist es erforderlich die sozialen Bedingungen so zu gestalten, das die Prinzipien der‚ Guten Landwirtschaftlichen Praxis‘ greifen. Im Rahmen der Forschungsarbeit konnte gleichfalls eine Bewertung der Nachhaltigkeit unter Nutzung der Fuzzy Methode erfolgreich eingesetzt werden. Diese Ergebnisse sind geeignet, sowohl den Farmern, als auch den politischen Entscheidungsträgern, die geeigneten Werkzeuge für die Entwicklung einer nachhaltigen Gemüse Kultivierung in der Zukunft zu geben.
This study is empirical research by applying different sustainability assessment approaches to evaluate and to compare the sustainability index of the existing vegetable cultivation systems in the Red River Delta - the largest vegetable production land area of Vietnam in terms of environment, economic and social dimensions. In addition, this study also incorporated farmers'' perceptions as well as their preferences into the weight of criteria by using Analytic Hierarchy Process (AHP) in multi-criteria evaluation method, and rules formed in fuzzy evaluation method. The results from the sustainability assessment for the vegetable cultivation systems show that in the rural area, the sustainability are acceptable whereas in the peri-urban area are only conditionally acceptable, and in the urban area are not sustainable. The results from this study indicate that, to achieve sustainable vegetable cultivation systems in the Red River Delta in Vietnam, the farmers need improved internal controls and tracing systems as well as strict social control in order to implement good agricultural practices guidelines. This study result also shows that the sustainability assessment by fuzzy evaluation approach appears to be well suited to provide quantitative answers pertaining to sustainability that can help policy maker in choosing the tool for sustainability assessment in the future.
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9

Vo, Thi Guong. "La fertilisation du riz (Oryza sativa) dans le delta du Mékong (Vietnam)." Toulouse, INPT, 2000. http://www.theses.fr/2000INPT014A.

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Анотація:
Le delta du mekong est un vaste ensemble tres plat, soumis aux pluies de moussons, aux inondations du fleuve mekong et aux remontees de la mer. Les sols sont alluviaux ou sulfates acides, parfois sales. Les rendements en riz sont alors sensibles a la texture du sol a la salinite, mais surtout a la saison. Malgre les faibles teneurs en p et k assimilables, le riz trouve suffisamment de ces deux elements. Le potassium est present en grandes quantites dans les illites, mais le p total reste peu abondant et risque de manquer au bout de quelques annees. Cela necessiterait une experimentation a long terme. Le rendement est directement correle a l'apport d'azote, mais des quantites de 40 a 80 kg/ha/recolte sont largement suffisantes au lieu des 120 kg souvent apportes.
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10

Lam, Chi-Nguyen. "Méthodes de Machine Learning pour le suivi de l'occupation du sol des deltas du Viêt-Nam." Thesis, Brest, 2021. http://www.theses.fr/2021BRES0074.

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Le développement socio-économique au Vietnam est associé à l'existence des grands deltas fluviaux. En outre, les facteurs environnementaux tels que la sécheresse et l’inondation jouent un rôle important dans le changement de l’occupation du sol au niveau de ces deltas. Ces changements ne sont pas sans impact sur l’équilibre naturel et économique du pays. Dans cette optique, cette thèse a pour objectifs de proposer des méthodes de traitement des données satellites pour une cartographie et suivi efficaces de l’occupation du sol au niveau des deux principaux deltas du Viêt- Nam, fleuve rouge et du Mékong. En effet, un travail expérimental a été effectué en vérifiant et évaluant l’apport du traitement d’images multi-capteurs par de nombreuses approches de segmentation d’image et d’apprentissage automatique peu profond et profond. Ainsi, un modèle de Convolutional Neural Network (CNN) adapté au contexte de l’étude, a démontré sa robustesse pour la détection et la cartographie de l’occupation du sol afin de caractériser l’aléa de l’inondation et d’analyser les enjeux
Socio-economic development in Vietnam is associated with the existence of large fluvial deltas. Furthermore, environmental factors such as dryness and flooding have an important role in the change of land use/land cover within these deltas. These changes have an impact on the natural and economic balance of the country. In this perspective, the objectives of the present thesis are to suggest processing methods of satellite data for an efficient mapping and monitoring of land use in the two main deltas of Vietnam, the Red River and the Mekong Delta. Indeed, experimental work has been carried out by verifying and evaluating the contribution of multi-sensor image processing through various image segmentation approaches and machine/deep learning algorithms. Thus, a Convolutional Neural Network (CNN) model adapted to the context of the study demonstrated its robustness for the detection and mapping of land use in order to characterise the flood hazard and analyse the issues at risk
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Книги з теми "Delta of Vietnam"

1

McKay, Gary. Delta four: Australian riflemen in Vietnam. St Leonards, NSW: Allen & Unwin, 1996.

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2

Bridwell, E. R. Manchu delta: A Vietnam war story. [Helena? Mont.]: E.R. Bridwell, 1986.

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Delta Four: Australian rifleman in Vietnam. Sydney: Allen & Unwin, 1996.

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4

Morphodynamics of a cyclic prograding delta: The Red River, Vietnam. [Amsterdam]: Royal Dutch Geographical Society, 2004.

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5

Harrison, Marshall. The delta: A novel. Novato, CA: Lyford, 1992.

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6

Beilfuss, R. D. Hydrological wetland restoration in the Mekong Delta, Vietnam. S.l: s.n, 1992.

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7

The Delta Dogs. Oceanside, CA: GMD Distribution, 2008.

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8

Matsui, S., and Võ-Tòng Xuân. Development of farming systems in the Mekong Delta of Vietnam. Edited by Kokusai Nōrin Suisangyō Kenkyū Sentā, Trường đại học Cần Thơ, and Viện lúa đò̂ng bà̆ng sông Cửu Long. [Ho Chi Minh City?]: Ho Chi Minh City Pub. House, 1998.

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9

Maren, D. S. van. Morphodynamics of a cyclic prograding delta: The Red River Vietnam. Utrecht: Royal Dutch Geographical Society, 2003.

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10

Cosslett, Tuyet L., and Patrick D. Cosslett. Water Resources and Food Security in the Vietnam Mekong Delta. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-02198-0.

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Частини книг з теми "Delta of Vietnam"

1

Long, Vinh. "Some Aspects Of Cooperativization In The Mekong Delta." In Postwar Vietnam, edited by David Marr and Christine P. White, 163–74. Ithaca, NY: Cornell University Press, 2018. http://dx.doi.org/10.7591/9781501719394-011.

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2

Cosslett, Tuyet L., and Patrick D. Cosslett. "The Mekong Delta." In Water Resources and Food Security in the Vietnam Mekong Delta, 3–21. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-02198-0_1.

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Cosslett, Tuyet L., and Patrick D. Cosslett. "The Mekong Delta Provinces." In Water Resources and Food Security in the Vietnam Mekong Delta, 23–74. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-02198-0_2.

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4

Tran, Triet. "Transboundary Mekong River Delta (Cambodia and Vietnam)." In The Wetland Book, 1–12. Dordrecht: Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-007-6173-5_40-1.

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5

Tran, Triet. "Transboundary Mekong River Delta (Cambodia and Vietnam)." In The Wetland Book, 1801–12. Dordrecht: Springer Netherlands, 2018. http://dx.doi.org/10.1007/978-94-007-4001-3_40.

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6

Benthem, W., L. P. van Lavieren, and W. J. M. Verheugt. "Mangrove Rehabilitation in the Coastal Mekong Delta, Vietnam." In An International Perspective on Wetland Rehabilitation, 29–36. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4683-8_3.

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7

Vu, Thi Hong Hanh, and Thanh Hai Truong. "Climate Change and Cities in the Mekong Delta, Vietnam." In AUC 2019, 3–17. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5608-1_1.

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8

Tri, Vo Khac. "Hydrology and Hydraulic Infrastructure Systems in the Mekong Delta, Vietnam." In Springer Environmental Science and Engineering, 49–81. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-3962-8_3.

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9

Sebesvari, Zita, Thi Thu Huong Le, and Fabrice G. Renaud. "Climate Change Adaptation and Agrichemicals in the Mekong Delta, Vietnam." In Advances in Global Change Research, 219–39. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0934-8_13.

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10

Le, Quoi Phat, and Thuyen Xuan Le. "Management of Peatland in the Mekong River Delta of Vietnam." In Tropical Peatland Eco-management, 775–817. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4654-3_29.

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Тези доповідей конференцій з теми "Delta of Vietnam"

1

Nguyen, Ha T., and Joshua M. Pearce. "Renewable Powered Desalination in the Coastal Mekong Delta." In ASME 2010 4th International Conference on Energy Sustainability. ASMEDC, 2010. http://dx.doi.org/10.1115/es2010-90224.

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Global climate destabilization is exacerbating water problems in Vietnam, most acutely in the South and Central regions where most of the inhabited area lies in the low elevation coastal zone. Using a geographical information system (GIS) platform, a wind resources atlas developed by the Asia Sustainable and Alternative Energy Program and the projected rural population available from Columbia University’s Center for International Earth Science Information Network, this paper explores the potential for off-grid medium to small-scale reverse osmosis desalination powered by small wind turbines for the coastal fringe of Vietnam’s Mekong Delta. The analysis estimated that in the absence of all other water supply facilities, off-grid wind desalination could provide clean water to 5.4 million rural residents living in 18.9 thousand km2 of the Mekong Delta coastal provinces at the rate of 60 liters per capita per day. In addition to providing clean water, the use of wind powered desalination in the region would have educational benefits, combat poverty and unemployment, ease water-related conflicts, and has been shown to be improve environmental and agricultural sustainability. Thus this technology was found to represent a decentralized and community-based method to adapt to and mitigate climate change in the coastal fringe of the Mekong Delta.
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2

Khanh, Hung Nguyen, Raymond Chiong, Manuel Chica, and Richard H. Middleton. "Agent-based simulation of contract rice farming in the Mekong Delta, Vietnam." In 2017 21st Asia Pacific Symposium on Intelligent and Evolutionary Systems (IES). IEEE, 2017. http://dx.doi.org/10.1109/iesys.2017.8233574.

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3

Oanh, Ta Thi Kim, Nguyen Van Lap, Yoshiki Saito, Marcello Gugliotta, Toru Tamura, Nguyen Thi Mong Lan, Truong Minh Hoang, and Bui Thi Luan. "HOLOCENE EVOLUTION OF THE PALEO- MEKONG INCISED- VALLEY, MEKONG RIVER DELTA, VIETNAM." In NGHIÊN CỨU CƠ BẢN TRONG LĨNH VỰC KHOA HỌC TRÁI ĐẤT VÀ MÔI TRƯỜNG. Publishing House for Science and Technology, 2019. http://dx.doi.org/10.15625/vap.2019.00085.

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4

Dahanayaka, D. D. G. L., H. Tonooka, A. Minato, and S. Ozawa. "Monitoring mangrove distribution and changes in Mekong delta, Vietnam using remote sensing approach." In IGARSS 2013 - 2013 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2013. http://dx.doi.org/10.1109/igarss.2013.6723092.

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Lap, Nguyen Van, Ta Thi Kim Oanh, Yoshiki Saito, Marcello Gugliotta, Toru Tamura, Nguyen Thi Mong Lan, Truong Minh Hoang, and Bui Thi Luan. "RECONSTRUCTION OF THE HOLOCENE PALEO-GEOGRAPHY OF THE THE MEKONG RIVER DELTA, VIETNAM." In NGHIÊN CỨU CƠ BẢN TRONG LĨNH VỰC KHOA HỌC TRÁI ĐẤT VÀ MÔI TRƯỜNG. Publishing House for Science and Technology, 2019. http://dx.doi.org/10.15625/vap.2019.00086.

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6

Hung, Nguyen Manh, Magnus Larson, Pham Van Ninh, and Hans Hanson. "Regional Wave Transformation and Associated Shoreline Evolution in the Red River Delta, Vietnam." In Fourth International Symposium on Ocean Wave Measurement and Analysis. Reston, VA: American Society of Civil Engineers, 2002. http://dx.doi.org/10.1061/40604(273)133.

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7

Nguyen, LuongBang, and QiongFang Li. "Relationship between Pacific and Indian Oceans SST and Drought Trends in Vietnam Mekong Delta." In Environment and Water Resource Management. Calgary,AB,Canada: ACTAPRESS, 2014. http://dx.doi.org/10.2316/p.2014.812-017.

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8

Giao, P. H. "Keynote- An Overview on Studies of Land Subsidence in the Southern Delta of Vietnam." In 4th Asia Pacific Meeting on Near Surface Geoscience & Engineering. European Association of Geoscientists & Engineers, 2021. http://dx.doi.org/10.3997/2214-4609.202177064.

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9

Nguyen, Hung Khanh, Raymond Chiong, Manuel Chica, and Richard H. Middleton. "Agent-based Modeling of Inter-provincial Migration in the Mekong Delta, Vietnam: A Data Analytics Approach." In 2018 IEEE Conference on Big Data and Analytics (ICBDA). IEEE, 2018. http://dx.doi.org/10.1109/icbdaa.2018.8629751.

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10

Bui, D. D., A. Kawamura, T. N. Tong, H. Amaguchi, and N. Nakagawa. "Spatial Decline Distribution of Groundwater Levels of Confined Aquifer in the Whole Red River Delta, Vietnam." In World Environmental and Water Resources Congress 2011. Reston, VA: American Society of Civil Engineers, 2011. http://dx.doi.org/10.1061/41173(414)84.

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Звіти організацій з теми "Delta of Vietnam"

1

Author Last Name, Author First Name. Common-pool resources-a challenge for local governance: Experimental research in eight villages in the Mekong Delta of Cambodia and Vietnam. Washington, DC: International Food Policy Research Institute, 2010. http://dx.doi.org/10.2499/capriwp98/test.

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2

Mekong Delta Water Issues (Vietnames). Vientiane, Lao PDR: Mekong River Commission Secretariat, January 2018. http://dx.doi.org/10.52107/mrc.ajg7bo.

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Анотація:
The issue presents a summary of findings from a bilateral study on transboundary water resources management issues in the Mekong Delta by Cambodia and Viet Nam. It details the six priority issues for bilateral cooperation along the border to cope with impacts of climate change, development and urbanisation.
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