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1.
Le Nguyen Truc Thinh Nguyen An Ha Nguyen Thi Vinh Tien Nguyen Dinh Lam Nguyen Duc Hong Nguyen Van Tuan Nguyen Tat Hanh Ta Van Khanh Nguyen Ngoc Thanh Nguyen Ngoc Hens Luc 《Environment, Development and Sustainability》2022,24(10):12427-12445
Environment, Development and Sustainability - The recent growth of agriculture, industry and urban areas in Vietnam requires a large amount of water consumption as a production factor. This paper... 相似文献
2.
Son Ngo Thanh Le Huong Hoang Loc Nguyen Duc Phuong Tran Trong 《Environment, Development and Sustainability》2022,24(3):3091-3109
Environment, Development and Sustainability - Land use and land cover (LULC) changes, climate variability and climate change (CC) contribute hydrological response in tropical catchments, but their... 相似文献
3.
Nguyen Phuc Thanh Yasuhiro Matsui Takeshi Fujiwara 《Journal of environmental management》2010,91(11):2307-2321
This study was undertaken to evaluate the quantity and composition of household solid waste to identify opportunities for waste recycling in Can Tho city, the capital city of the Mekong Delta region in southern Vietnam. Two-stage survey of 100 households was conducted for dry season and rainy season in 2009. Household solid waste was collected from each household and classified into 10 physical categories and 83 subcategories. The average household solid waste generation rate was 285.28 g per capita per day. The compostable and recyclable shares respectively accounted for 80.02% and 11.73%. The authors also analyzed the relations between some socioeconomic factors and household solid waste generation rates by physical categories and subcategories. The household solid waste generation rate per capita per day was positively correlated with the population density and urbanization level, although it was negatively correlated with the household size. The authors also developed mathematical models of correlations between the waste generation rates of main physical categories and relevant factors, such as household size and household income. The models were proposed by linear models with three variables to predict household solid waste generation of total waste, food waste, and plastic waste. It was shown that these correlations were weak and a relationship among variables existed. Comparisons of waste generation by physical compositions associated with different factors, such as seasonal and daily variation were conducted. Results presented that the significant average differences were found by the different seasons and by the different days in a week; although these correlations were weak. The greenhouse gas baseline emission was also calculated as 292.25 g (CO2 eq.) per capita per day from biodegradable components. 相似文献
4.
Hoang Anh Tuan Nguyen Xuan Phuong Duong Xuan Quang Huynh Thanh Tung 《Environmental science and pollution research international》2021,28(23):28876-28910
Environmental Science and Pollution Research - Always, oil spills do cause serious and dire consequences for the environment, nature, and society that it consumes much time and socio-economic... 相似文献
5.
Nguyen Xuan Cuong Nguyen Thi Thanh Huyen Bui Xuan-Thanh Tran Xuan Vu Tran Thi Cuc Phuong Hoang Nhung Thi Tuyet La Duc Duong Chang Soon Woong Ngo Huu Hao Nguyen Dinh Duc 《Environmental science and pollution research international》2021,28(45):63589-63598
Environmental Science and Pollution Research - The failure of the centralized water supply system forced XY community to become more dependent on uncertain and unstable water sources. The results... 相似文献
6.
Nguyen Thai Hoa Tomoko Hasegawa Yuzuru Matsuoka 《Mitigation and Adaptation Strategies for Global Change》2014,19(1):15-32
Agriculture, Forestry and Other Land Use (AFOLU) sectors account for 53 % of the domestic greenhouse gas emissions (GHG) in Vietnam in 2000. However, due to political focus on adaptation, Vietnamese government has not formulated particular policy on mitigation in the sectors. This study aims to identify and assess mitigation potential in AFOLU sectors in Vietnam up to 2030 using AFOLU Bottom-up model. Therefore, the results can help government towards building mitigation strategies in the country. The methodology involves: (1) development of future assumptions of crops harvested areas, livestock population and area of land use and land use change and (2) identification of mitigation countermeasures with high potential and assessment of their cost-effectiveness. In 2030, 11 MtCO2eq/year of emission can be reduced by no-regret countermeasures which take zero or negative cost. In the case of full application of countermeasures, 48 MtCO2eq/year can be reduced compared to the baseline emission level. Mitigation countermeasures, which have great contribution for GHG reduction in Vietnam, are midseason drainage in rice paddy (7 MtCO2eq/year), off-season incorporation of rice straw (3 MtCO2eq/year) and conservation of existing protection forests (17 MtCO2eq/year). Based on our findings, a package of mitigation countermeasures at 10 USD/tCO2eq is expected to have the most economic efficiency and high mitigation for GHG mitigation in AFOLU sectors in Vietnam. 相似文献
7.
Cuong Van Hoang Tuyen Quang Tran Yen Hai Thi Nguyen Lan Thanh Nguyen 《Natural resources forum》2020,44(4):311-333
Using secondary data from a socio-economic quantitative household survey of the North Central region of Vietnam, the main aim of our study is to analyze the causal effect of forest resources on household income and poverty. Based on the observed characteristics of a forest-based livelihood and forest-related activities, we use a propensity score matching (PSM) method to control for potential bias arising from self-selection. The PSM results indicate that households with a forest-based livelihood had a higher level of income and lower poverty rates than did those without. Interestingly, our findings confirm that a forest-based livelihood offers much higher income than any other type of livelihood adopted by local households. Also, the poverty rate among households with a forest-based livelihood is lower than those earning non-labor income or engaged in wage/crop and crop livelihoods. Among households and provinces, we find varying opportunities deriving from forest resources, suggesting that there are potential barriers hindering local households from pursuing a forest livelihood or participating in some forest activities. Therefore, government policy and regulations on forest management should focus on improving the access of households to forest resources, while enhancing the sustainability of these resources. 相似文献
8.
Performance of different composting techniques in reducing oestrogens content in manure from livestock in a Vietnamese setting 总被引:1,自引:0,他引:1
Thi Anh Hong Le Joachim Clemens Thai Hoa Nguyen 《Environmental monitoring and assessment》2013,185(1):415-423
Steroid oestrogens (SE) are released by humans and animals into the environment. In the Mekong Delta animal excrement is directly discharged into surface water and can pollute the water. Only a few animal production sites are currently treating the excrement in either biogas plants or vermicomposting systems. The concentration of SE in manures from pigs and cattle was monitored in the Mekong Delta, Vietnam. Fresh cow faeces had an oestrogen concentration of 3.3 ng E2 eq/g dry weight. The SE concentration in effluent from biogas plants fed with animal manures was 341 ng E2 eq/L. Most of the SE were in the solid phase (77.9–98.7%). Vermicomposting reduced SE to 95% of the original input. 相似文献
9.
Nguyen Quoc Thinh Tran Minh Phu Caroline Douny Nguyen Thanh Phuong Do Thi Thanh Huong Patrick Kestemont 《Journal of environmental science and health. Part. B》2018,53(1):35-41
In order to determine the distribution and enable the elimination of quinalphos, a popular active pesticide compound used in the Mekong Delta, an experiment was set up in a rice-fish integration system in Can Tho City, Vietnam. Fish was stocked into the field when the rice was two-months old. Quinalphos was applied twice in doses of 42.5 g per 1000 m2. Water, fish and sediment samples were collected at time intervals and analyzed by a Gas Chromatography Electron Capture Detector system. The results show that quinalphos residues in fish muscles were much higher than those of the water and the bioconcentration factor (logBCF) was above 2 for the fish. The half-life of first and second quinalphos applications were 12.2 and 11.1 days for sediment, 2.5 and 1.1 days for silver barb, 1.9 and 1.3 days for common carp, and 1.1 and 1.0 days for water, respectively. 相似文献
10.
Weiteng Hung Wen-Yen Huang Chitsan Lin Chi Thanh Vu Siwalee Yotapukdee Acharee Kaewlaoyoong Jenq-Renn Chen Yun-Hwei Shen 《Environmental science and pollution research international》2017,24(23):18936-18945
The remediation of dioxin-contaminated soil of a specific coastal area previously employed for the manufacture of pentachlorophenol (PCP) in southern Taiwan’s Tainan City has attracted much attention of researchers there. This work addresses the possibility of providing an effective and environmentally friendly option for removing PCDD/Fs from soil in that field. Soil screening/sieving was first conducted to assess particle distribution. Fine sand was observed to be the major component of the soil, accounting for more than 60% of the total mass. A combination of ultrasonification and mechanical double-blade agitation was used to facilitate the washing of the soil using the biosurfactant anaerobic compost tea. More than 85 and 95% of total removal efficiencies were achieved for moderately and highly contaminated soils after 6 and 10 washing cycles, respectively, under ambient temperature, a soil/liquid ratio 1:2.5, 700 rpm, and over a relatively short duration. These results were achieved through the collision and penetration effects of this combined treatment as well as PCDD/F partitioning between the particles and anaerobic compost tea. This study represents the first to report the use of anaerobic compost tea solvent to wash soil highly contaminated by dioxin. It was concluded that anaerobic compost tea, rich in non-toxic bio-surfactants (e.g., alcohols, humic acids), can be used to improve bioavailability and bioactivity of the soil making bio-attenuation and full remediation more efficient. 相似文献