Operation of the Ba Lai irrigation system in the Mekong Delta, Vietnam

Hoang, Quang Huy; Kubo, Naritaka; Hoang, Ngan Giang; Tanji, Hajime

doi:10.1007/s10333-009-0155-0

Cited by 17 publications

(3 citation statements)

References 3 publications

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“…However, after more than 15 years of operation, the effectiveness of the dam in irrigation water supply and improvement of local economic conditions has received critical debates. Evidence suggests that the dam resulted in adverse environmental impacts on the local ecosystems from intensive shrimp farming systems, which need brackish and saline water resources for production (Hoang, Kubo, Hoang, & Tanji, ). Local farmers have tried to extract saltwater for shrimp farms from shallow aquifers.…”

Section: Resultsmentioning

confidence: 99%

Land‐use dynamics in the Mekong delta: From national policy to livelihood sustainability

Nguyen

Tran

Dang

et al. 2020

Sustainable Development

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The Vietnamese Mekong Delta (VMD) is one of the most examined deltas in the world given its dynamics, complexity, and vulnerability. In the past decades, the VMD has changed rapidly, especially the land use in relation with the socioeconomic development.National policy has profoundly influenced these changes and the changes have significantly affected local livelihoods. However, these changes are not well reported systematically. In this study, we investigate land-use changes based on institutional analyses across multiple scales, that is, from national, provincial, to local livelihood based on institutional and sustainability analysis. The results show a strong relationship between legal settings over the last 30 years on land use and livelihood transitions. In addition, the constraints of implementing national legal frameworks at provincial level in practice were identified including effects to local livelihoods. We offer some recommendations for sustainable livelihoods in the VMD, with a focus on increasing socioecological resilience. K E Y W O R D S agriculture development, land law, land-use change, sustainable livelihood, Vietnamese Mekong Delta

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Section: Resultsmentioning

confidence: 99%

Land‐use dynamics in the Mekong delta: From national policy to livelihood sustainability

Nguyen

Tran

Dang

et al. 2020

Sustainable Development

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“…While it has enabled large-scale rice farmers to enhance their rice productivity, the reduced water ows have signi cantly increased pollution and riverbank erosion, increasing risks and input costs for smallholder farmers. (Hoang et al 2009;Ngo et al 2017). Increasing the socioeconomic resilience of households can be done at both the macro and micro levels, such as capacity building to switch from rice agriculture, increasing local nonagricultural employment opportunities or supportive strategies to guide the spontaneous migration of rural poor from exposed areas (Noy, 2018).…”

Section: Discussionmentioning

confidence: 98%

Vulnerability and resilience to drought and saltwater intrusion of rice farming households in the Mekong delta, Vietnam

Aalst

Koomen

Groot

2023

Preprint

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Adverse impacts of climate and environmental hazards are unevenly distributed between socioeconomic groups due to differences in exposure, vulnerability and resilience. This study examines the distribution of vulnerability and resilience to drought and salt intrusion impacts among rice farmers in the rural Mekong Deltain Vietnam. By defining both aspects independently, we can study potential differences in the socio-economic factors that steer them and analyse how these two aspects of adaptive capacity are related. Using fixed-effect regressions, we find that poorer communes are more vulnerable to direct environmental impacts (loss in rice yield). Several household characteristics that reflect a low socioeconomic status, such as low asset values, small plots, and limited education level, are also linked with higher vulnerability to direct drought impacts. High vulnerability does, however, not necessarily translate to low resilience, which we proxy by measuring indirectimpacts (loss in household income). Several household activities and characteristics help mitigate direct impacts. Our results suggest that the least resilient household group consists of smallholder, asset-low households that are unable to diversify to non-crop agriculture or off-farm employment. Supportive policies targeting this particular socioeconomic group to enable transition to non-crop or off-farm labour would substantially improve their resilience to future environmental events. Distinguishing between resilience and vulnerability enables a broader understanding of the mechanisms influencing the distribution of direct and indirect adverse impacts, which enables drafting targeted policy measures for specific socioeconomic groups.

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“…Similar to Kien Giang, Ben Tre is seriously affected by saltwater intrusion (Nguyen et al, 2019). The Ba Lai sluice is a key component of the Ba Lai Irrigation Project, which covers the northern part of the province, including Ben Tre City and four districts: Chau Thanh, Giong Trom, Binh Dai, and Ba Tri (Hoang et al, 2009). It demonstrates the political mandate of the Ben Tre government to freshen the local coastal areas for agricultural production.…”

Section: Salinity Zonesmentioning

confidence: 99%

Responding to transboundary water challenges in the Vietnamese Mekong Delta: In search of institutional fit

Tran

Tortajada

2022

Env Pol Gov

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The operations of large hydropower dams in the Mekong basin, while posing detrimental transboundary effects downstream, are not fully recognised in Vietnamese government policies, especially at the regional scale. This study adopts the concept of institutional fit to investigate policy gaps in addressing the transboundary water challenges characterised by falling floodwater flows and accelerating saltwater intrusion in the Vietnamese Mekong Delta. Based on interviews with key stakeholders (including central and provincial government officials, environmental experts, and academics) as well as desk reviews of policy documents, we argue that, while the transboundary water repercussions are increasingly evident on the ground, they are not adequately factored in water policies and strategic development planning for the delta. This study suggests that failure to incorporate co-evolving effects of climate change and Mekongwide hydropower dynamics into local water governance will cause institutional constraints to tackle water stressors (too much or too little water) over the long term.Achieving institutional fit will therefore help align the national water policy framework with local development strategies and reduce policy-practice gaps at the delta scale.To this end, two key aspects need to be considered: first, how, and in which forms, innovative management decisions and water governance policies can be effectively undertaken towards securing the living delta and its resilience to present and future environmental risks; and second, how reframed water policy and development agendas can holistically capture and resolve the transboundary hydrological problems, while leveraging the Vietnamese government's policy engagement at higher levels to address related impacts.

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Operation of the Ba Lai irrigation system in the Mekong Delta, Vietnam

Cited by 17 publications

References 3 publications

Land‐use dynamics in the Mekong delta: From national policy to livelihood sustainability

Land‐use dynamics in the Mekong delta: From national policy to livelihood sustainability

Vulnerability and resilience to drought and saltwater intrusion of rice farming households in the Mekong delta, Vietnam

Responding to transboundary water challenges in the Vietnamese Mekong Delta: In search of institutional fit

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