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Article ; Online: Configuration of Allocated Mangrove Areas and Protection of Mangrove-Dominated Muddy Coasts

Nguyen Tan Phong / Thai Thanh Luom

Sustainability, Vol 13, Iss 6258, p

Knowledge Gaps and Recommendations

2021 Volume 6258

Abstract: Mangrove-dominated muddy coasts have been allocated for developing livelihood models, particularly in developing countries. Uncontrolled allocation causes the mangrove forests to be vulnerable and even severely eroded. Restoration of vulnerable and ... ...

Abstract	Mangrove-dominated muddy coasts have been allocated for developing livelihood models, particularly in developing countries. Uncontrolled allocation causes the mangrove forests to be vulnerable and even severely eroded. Restoration of vulnerable and eroded coastal areas has been merely conservation-driven, leaving livelihood-oriented mangrove forests unprotected. As a consequence, mangrove-dominated muddy coasts have not been well-protected. How livelihood-oriented mangrove forests are configured towards protecting coasts and protecting local livelihoods remains a challenge. This study employed a critical review for addressing this matter. The results reveal that there is limited practical knowledge of configuring livelihood-oriented models for protecting the coasts. The configuration process reported in this study is merely based on technical recommendations in South East Asia to date. The recommended configuration commences with the first stage of voluntarily designating a certain percentage of allocated forests on the seaward side to protect coasts, relocating livelihood models in the gaps among current stands of mangrove forests landward. Abandoned ponds are ecologically restored using sediment trapping structures for providing suitable substrate for promoting regrowth of local mangrove species as the second stage, followed by designation of an appropriate percentage as mangrove belts on the seaward side. The two-step configuration is highly likely to be replicable and applicable nationally and regionally due to full consideration of different political, sociocultural, and environmental characteristics in Vietnam and Indonesia.
Keywords	abandoned ponds ; configuration of allocated areas ; ecological restoration ; livelihood improvement ; mangrove belts ; Environmental effects of industries and plants ; TD194-195 ; Renewable energy sources ; TJ807-830 ; Environmental sciences ; GE1-350
Subject code	333
Language	English
Publishing date	2021-06-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Coastal land use planning in Ben Tre, Vietnam: constraints and recommendations.

Nguyen, Tan Phong / Parnell, Kevin E

Heliyon

2019 Volume 5, Issue 4, Page(s) e01487

Abstract: There have been few reviews of the effectiveness of the management of coastal mangrove protected areas and coastal land use planning at all levels in the Mekong Delta, Vietnam. Ben Tre province provides a good case study to enable the assessment of ... ...

Abstract	There have been few reviews of the effectiveness of the management of coastal mangrove protected areas and coastal land use planning at all levels in the Mekong Delta, Vietnam. Ben Tre province provides a good case study to enable the assessment of typical management practices in the provinces of the Delta. The study aims to critically review the current strategies for managing the Ben Tre coast and to consider what changes are required to ensure effective coastal management. The current coastal management strategies only dealt with symptoms and worked temporarily. There has been insufficient coordination in land use planning and coastal management among the Ben Tre government agencies, substantially contributing to mangrove loss and degradation. Natural regeneration of local mangrove species and secondary succession, although having been practically effective for protecting from coastal erosion, have not been used as coastal management measures. Three strategies,
Language	English
Publishing date	2019-04-24
Publishing country	England
Document type	Journal Article
ZDB-ID	2835763-2
ISSN	2405-8440
ISSN	2405-8440
DOI	10.1016/j.heliyon.2019.e01487
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Article ; Online: Biofilm reactors filled with Stick-bed Biofix and Swim-bed Biofringe biomass carriers in treating chitin production wastewater containing high salinity.

Nguyen, Tan Phong / Vo, Thi Kim Quyen / Tran, Nguyen Van Nhu / Tran, Nguyen Van Nhi

Environmental technology

2023 , Page(s) 1–10

Abstract: The production of chitin generates wastewater containing high content of organic compounds, nutrients, and salinity, thus a biofilm system including anaerobic-anoxic-aerobic bioreactors was employed. This study aims to evaluate the performance of Stick- ... ...

Abstract	The production of chitin generates wastewater containing high content of organic compounds, nutrients, and salinity, thus a biofilm system including anaerobic-anoxic-aerobic bioreactors was employed. This study aims to evaluate the performance of Stick-bed Biofix and Swim-bed Biofringe added to bioreactors as a biomass carrier in order to enhance biomass concentration. The results indicated that the organic removal has been insignificantly affected by high salinity, the removal efficiency was obtained at 95 ± 2% corresponding to a rate of 5.78 ± 1.10 kg COD/m
Language	English
Publishing date	2023-09-07
Publishing country	England
Document type	Journal Article
ISSN	1479-487X
ISSN (online)	1479-487X
DOI	10.1080/09593330.2023.2254486
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Article ; Online: Marine algal species and their distribution in Phu Quoc marine protected area

Huynh Van Tien / Nguyen Tan Phong

Data in Brief, Vol 25, Iss , Pp - (2019)

2019

Abstract: This article presents the raw data in relation to the status of, and the distribution of, the 41 marine algal species occurring around and within the An Thoi coral reef strictly protected zone, Phu Quoc Marine Protected Area. The data, which were ... ...

Abstract	This article presents the raw data in relation to the status of, and the distribution of, the 41 marine algal species occurring around and within the An Thoi coral reef strictly protected zone, Phu Quoc Marine Protected Area. The data, which were collected in May 2017, include the detailed description of the locations, the oceanographical conditions, and the photographs of the 41 marine algal species. For more insight, please see “Marine algal species and marine protected area management: A case study in Phu Quoc, Kien Giang, Vietnam” Huynh and Nguyen, 2019. Keywords: Marine algae, Phu quoc, Marine protected areas
Keywords	Computer applications to medicine. Medical informatics ; R858-859.7 ; Science (General) ; Q1-390
Language	English
Publishing date	2019-08-01T00:00:00Z
Publisher	Elsevier
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Ecological Engineering and Restoration of Eroded Muddy Coasts in South East Asia

Huynh Van Tien / Nguyen Tuan Anh / Nguyen Tan Phong / Mai Le Minh Nhut

Sustainability, Vol 13, Iss 3, p

Knowledge Gaps and Recommendations

2021 Volume 1248

Abstract: Ecological engineering (EE) was employed for developing strategies for stabilizing eroded muddy coasts (EMCs). However, there was a limited analysis of these EE strategies with respect to design, performance, and lessons learned. This study employed a ... ...

Abstract	Ecological engineering (EE) was employed for developing strategies for stabilizing eroded muddy coasts (EMCs). However, there was a limited analysis of these EE strategies with respect to design, performance, and lessons learned. This study employed a critical review for addressing the limitations. There were four EE models designed with different restoration interventions for stabilizing EMCs. The models using active interventions have not been cost-effective in controlling erosion because the interventions failed to achieve their goals or were costly and unnecessary. Of the two passive intervention models, the one with structures constructed from onshore proved to be more cost-effective in terms of construction costs, the survival rate of transplanted seedlings, and levels of sea mud accumulation. Interventions with adequate consideration of the muddy coastal ecological processes and the ecological reasoning for the positioning of these interventions play a crucial role in stabilizing EMCs. A passive restoration model using gradually expanded interventions should be promoted in order to ensure sustainable management of EMCs in the future.
Keywords	active restoration ; muddy coasts ; passive restoration ; sea mud accumulation ; transplantation ; Environmental effects of industries and plants ; TD194-195 ; Renewable energy sources ; TJ807-830 ; Environmental sciences ; GE1-350
Subject code	690
Language	English
Publishing date	2021-01-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Coastal land use planning in Ben Tre, Vietnam: constraints and recommendations

Nguyen, Tan Phong / Parnell, Kevin E

Heliyon. 2019 Apr., v. 5, no. 4

2019

Abstract	There have been few reviews of the effectiveness of the management of coastal mangrove protected areas and coastal land use planning at all levels in the Mekong Delta, Vietnam. Ben Tre province provides a good case study to enable the assessment of typical management practices in the provinces of the Delta. The study aims to critically review the current strategies for managing the Ben Tre coast and to consider what changes are required to ensure effective coastal management. The current coastal management strategies only dealt with symptoms and worked temporarily. There has been insufficient coordination in land use planning and coastal management among the Ben Tre government agencies, substantially contributing to mangrove loss and degradation. Natural regeneration of local mangrove species and secondary succession, although having been practically effective for protecting from coastal erosion, have not been used as coastal management measures. Three strategies, hold the existing defence line, managed realignment, and no active intervention, are recommended to assist in managing the Ben Tre coast for adaptation to climate change and sea level rise, and livelihood improvement.
Keywords	case studies ; climate change ; coastal zone management ; coasts ; livelihood ; natural regeneration ; river deltas ; sea level ; secondary succession ; Vietnam
Language	English
Dates of publication	2019-04
Publishing place	Elsevier Ltd
Document type	Article
Note	NAL-AP-2-clean
ZDB-ID	2835763-2
ISSN	2405-8440
ISSN	2405-8440
DOI	10.1016/j.heliyon.2019.e01487
Database	NAL-Catalogue (AGRICOLA)

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Article: The treatment of real dyeing wastewater by the electro-Fenton process using drinking water treatment sludge as a catalyst

Nguyen, Duc Dat Duc / Phan Quang, Huy Hoang / Nguyen, Xuan Hoan / Nguyen, Tan Phong

RSC advances. 2021 Aug. 13, v. 11, no. 44

2021

Abstract: This study aims to evaluate the performance of the electro-Fenton process (EFP) using drinking water treatment sludge (DWTS) for the treatment of dyeing wastewater. Effects of operating parameters including pH, electrode distance, applied voltage, ... ...

Abstract	This study aims to evaluate the performance of the electro-Fenton process (EFP) using drinking water treatment sludge (DWTS) for the treatment of dyeing wastewater. Effects of operating parameters including pH, electrode distance, applied voltage, operation temperature and time on the electro-Fenton-oxidation of dyeing wastewater were investigated. The decolorization and COD degradation efficiencies of 97.8% and 89.8%, respectively, were achieved indicating almost complete mineralization of organic pollutants after 90 minutes of reaction at pH 4.0, dosage of DWTS of 2.0 g, applied voltage of 20.0 V, electrode distance of 3.0 cm and ambient temperature. The morphology of the sludge and presence of Fe(OH)₃ after Fenton-oxidation were investigated to understand the mechanisms involved. The degradation of COD in EFP was found to fit well the pseudo-first-order kinetic model. The thermodynamic constants of the Fenton oxidation process were also determined and showed that the Fenton-oxidation process was spontaneous and endothermic. This study provides an efficient and low-cost method for the degradation of non-biodegradable pollutants in dyeing wastewater to solve waste using waste.
Keywords	ambient temperature ; catalysts ; decolorization ; electric potential difference ; electrodes ; endothermy ; kinetics ; mineralization ; oxidation ; pH ; sludge ; thermodynamics ; wastewater
Language	English
Dates of publication	2021-0813
Size	p. 27443-27452.
Publishing place	The Royal Society of Chemistry
Document type	Article
ISSN	2046-2069
DOI	10.1039/d1ra04049a
Database	NAL-Catalogue (AGRICOLA)

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Article: Marine algal species and marine protected area management: A case study in Phu Quoc, Kien Giang, Vietnam

Tien, Huynh Van / Nguyen, Tan Phong

Ocean & coastal management. 2019 Aug. 01, v. 178

2019

Abstract: As with many other marine protected areas in Vietnam, little is known of the marine algal species and their status within the Phu Quoc Marine Protected Area (Phu Quoc MPA), Kien Giang, Vietnam, although these species are known to have economic and ... ...

Abstract	As with many other marine protected areas in Vietnam, little is known of the marine algal species and their status within the Phu Quoc Marine Protected Area (Phu Quoc MPA), Kien Giang, Vietnam, although these species are known to have economic and conservation value. The knowledge limitations may partly be due to the fact that marine algal species have not been a major focus of surveys and monitoring programmes. This study applied a mixed methods approach for developing an adequate understanding of the status of marine algal species occurring in the An Thoi coral reef strictly protected zone of Phu Quoc MPA. 41 marine algal species were fully described, along with details about habitats, biodiversity, economic and conservation values, and challenges to the conservation of these species. Three of 41 species recorded are listed in the Vietnam Red Data Book, a list of rare and endangered floral and faunal species native to Vietnam. This listing adds a new dimension to the literature with regard to distribution and habitats. The remaining species are known to be of economic value. Two islands, which are not strictly protected zones, are home to two vulnerable algal species. Marine algal species have been poorly managed and monitored as a consequence of insufficient legal frameworks, resulting in little documentation of the effects of socio-economic and tourism development on the marine algal species. The current zoning plan should be revised to expand core zones for the effective management of the algal species. Technical guidelines on zoning and zoning permit should be developed to promote the co-management of algal species for the protection of the species and livelihoods, and to ease illegal exploitation of marine algal species in Phu Quoc MPA.
Keywords	algae ; biodiversity ; case studies ; coastal zone management ; collaborative management ; coral reefs ; economic valuation ; fauna ; guidelines ; indigenous species ; islands ; livelihood ; marine protected areas ; monitoring ; socioeconomics ; surveys ; tourism ; zoning ; Vietnam
Language	English
Dates of publication	2019-0801
Publishing place	Elsevier Ltd
Document type	Article
ISSN	0964-5691
DOI	10.1016/j.ocecoaman.2019.104816
Database	NAL-Catalogue (AGRICOLA)

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Article: Mechanical properties of steel slag replaced mineral aggregate for road base/sub-base application based Vietnam and Japan standard

Dang, Dang Tung / Nguyen, Manh Tuan / Nguyen, Tan Phong / Isawa, Tomoo / Ta, Yasutaka / Sato, Ryoichi

Environmental science and pollution research. 2022 June, v. 29, no. 28

2022

Abstract: Steelmaking slag is one of the most massive industrial by-products generated during steelmaking processes. This paper presents the current steelmaking slag production status and its potential to use as mineral aggregates in base/sub-base layer of road ... ...

Abstract	Steelmaking slag is one of the most massive industrial by-products generated during steelmaking processes. This paper presents the current steelmaking slag production status and its potential to use as mineral aggregates in base/sub-base layer of road pavement. The mechanical properties of steelmaking slag were confirmed by the test method specified in Vietnam specification. The volume stability test of the slag was conducted based on JIS A 5015-2018 (Japanese Industrial Standard: Iron and steel slag for road construction). From the results, it was confirmed that steelmaking slag can satisfy all the mechanical requirements specified in Vietnam specification and the requirements regarding stability specified in JIS A 5015-2018. In addition, it was found that the elastic modulus of steelmaking slag applied as a base or sub-base layer in pavement was higher than that of the conventional graded aggregate made from mineral aggregate. Therefore, the thickness of pavement can be reduced by using steelmaking slag, and the construction cost can be lower.
Keywords	Japan ; modulus of elasticity ; pavements ; pollution ; research ; road construction ; slags ; steel ; Vietnam
Language	English
Dates of publication	2022-06
Size	p. 42067-42073.
Publishing place	Springer Berlin Heidelberg
Document type	Article
ZDB-ID	1178791-0
ISSN	1614-7499 ; 0944-1344
ISSN (online)	1614-7499
ISSN	0944-1344
DOI	10.1007/s11356-021-16706-0
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Nitrogen removal from old landfill leachate with SNAP technology using biofix as a biomass carrier.

Vo, Thanh Tung / Nguyen, Tan Phong

Journal of bioscience and bioengineering

2016 Volume 122, Issue 2, Page(s) 188–195

Abstract: Single-stage nitrogen removal using Anammox and partial nitritation (SNAP) is a novel technology developed in recent years for removing nitrogen. To evaluate the ability of SNAP technology to remove nitrogen in old landfill leachate under the conditions ... ...

Abstract	Single-stage nitrogen removal using Anammox and partial nitritation (SNAP) is a novel technology developed in recent years for removing nitrogen. To evaluate the ability of SNAP technology to remove nitrogen in old landfill leachate under the conditions in Vietnam, we conducted a survey with 7 different nitrogen loading rates of 0.2, 0.4, 0.6, 0.8, 1.0, 1.2, 1.4 kg-N/m(3) day and a concentration from 100 to 700 mg-N/L. The operating conditions were as follows: DO at 1.0-5.3 mg/L, HRT at 12 h, and pH at 7.5-7.8. The biomass carrier was a biofix made from acrylic fiber. The maximum ammonium conversion and nitrogen removal efficiency were approximately 98% and 85%, respectively, at 1.2 kg-N/m(3) day. In general, the nitrogen removal efficiency increased and stabilized at the end of each loading rate. The first step showed that SNAP could potentially be applied in real life for removing nitrogen from old landfill leachate.
MeSH term(s)	Ammonium Compounds/chemistry ; Ammonium Compounds/metabolism ; Bacteria/metabolism ; Biodegradation, Environmental ; Biomass ; Bioreactors ; Chemoautotrophic Growth ; Denitrification ; Hydrogen-Ion Concentration ; Nitrates/chemistry ; Nitrates/metabolism ; Nitrites/chemistry ; Nitrites/metabolism ; Nitrogen/chemistry ; Nitrogen/isolation & purification ; Nitrogen/metabolism ; Polyglycolic Acid/chemistry ; Sewage/chemistry ; Sewage/microbiology ; Temperature ; Vietnam ; Waste Water/chemistry ; Water Pollutants, Chemical/chemistry ; Water Pollutants, Chemical/isolation & purification ; Water Pollutants, Chemical/metabolism
Chemical Substances	Ammonium Compounds ; Nitrates ; Nitrites ; Sewage ; Waste Water ; Water Pollutants, Chemical ; Polyglycolic Acid (26009-03-0) ; Nitrogen (N762921K75)
Language	English
Publishing date	2016-08
Publishing country	Japan
Document type	Journal Article
ZDB-ID	1465387-4
ISSN	1347-4421 ; 1389-1723
ISSN (online)	1347-4421
ISSN	1389-1723
DOI	10.1016/j.jbiosc.2016.01.017
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