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DISCLAIMER 

The views expressed in this presentation are theviews of the speaker and do not necessarily reflectthe views or policies of the Asian DevelopmentBank (ADB), or its Board of Governors, or thegovernments they represent. ADB does notguarantee the accuracy of the data included in thispaper and accepts no responsibility for any

consequence of their use. Terminology used maynot necessarily be consistent with ADB officialterms.

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Presented by:

Group 1: Cesar Odi

Andrijanto

Ramon RomeroSusan Tolentino

Keys for Success with the IWRM Training, Hoi An, Vietnam, 18-26 February 2009

CASE STUDY: VU GIA –THU BON RIVER BASIN

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Vu Gia –Thu Bon River Basin

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Existing Condition

The Vu Gia- Thu Bon River Basin islocated in the central highlands and coastalregion of Vietnam and encompasses an

area of approximately 10,000 km2. Thebasin takes up roughly 90% of the QuangNam Province and also includes Da NangCity.

The Vu Gia-Thu Bon Basin accounts forapproximately 2.5% of the surface water inVietnam making it the 5th largest (involume) basin in the country.

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Water Resources

• Highly variable water resources, during September toDecember of the wet season 70% runoff generated.

• February to March only 1%  – 2% runoff generated.

• Rainfall varies spatially across the basin withapproximately 3000  – 4000 mm annually occurring inthe highlands and approximately 2000 annually onthe coast.

Surface Water

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Water Resources

• Mostly used for domestic and small-scale productionneeds.

• Most wells are located in the coastal regions and

must be at least 15  – 30 m deep to obtain adequatequality water.

• Strong interaction between surface and groundwater.Sustainable groundwater yields are currently

unknown.

Groundwater

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Population

• Population 1.4 million, 2.1% of the nationalpopulation.

• Density of the basin is 173 people/km2, which falls

below the national population density of 250people/km2.

• Population growth increase in line with the nationaltrends discussion, with little formal education.

•

This basin is prone to natural disasters, such asflooding and typhoons.•

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Economy

• Based on agriculture, forestry, fishery, industry,mining, tourism, handicrafts and other services.

• Economic production in the basin is lower than that

of the national average, with the GDP per capita forDa Nang and Quang Nam, US$ 488 and US$ 230,while the national GDP per capita is US$ 2792.

• The low of economic status of the basin is due in partto an underdeveloped industrial sector and to poorinfrastucture and water shortages in the agriculturesector.

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Biodiversity

• There is a little information on the habitat, migrationand flow requirements of the aquatic biodiversity thatunderpins the economy and livelihoods of number of

the residents in the basin.• A long the coast there are a number of important,

subsistence aquaculture farms. While aquaculture isincreasing within the basin, it still only occupies 0.1%area of the basin.

• Aquaculture may be introduced into hydropowerimpoundments to create jobs and new opportunities.

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Governance

• Water management is still dominated by uni-disciplinary, single issue management approaches towater.

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Issues/Problems/Opportunities

Issues Problems Opportunities

1. Dam construction a. Dislocation of  

communities in the

upland

b. Ecosystem

a. Economic growth

b. Provision of water

supply

2. Deforestation a. Soil erosion

b. Siltation/

sedimentation

a. Floods

b. Loss of habitat

c. Global warming

d. Water quality

a. Income generation

3. Landslide a. Siltation/

sedimentation

b. Interrupt economic

& social activity

Upstream

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Issues Problems Opportunities

4.Gold mining a. Water

contamination

b. Loss of aquatic life

c. Sedimentation

a. Income generation

( for gold miners)

a. Economic growth

5. Community

development

Delayed economic

opportunity

Sustainable

development

6. Road construction a. Siltation/

sedimentation

a. Increase access to

destructive activities

a. Social &Economic

development

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Issues Problems Opportunities

1. Discharge of 

untreated liquid

wastes

Water contamination

Problem: ALL

2. Eco-tourism Generation of wastes

(liquid and solid)

Income generation

livelihood

3. Illegal fishing Destruction of aquatic

habitat

4. Deforestation Water shortage

Siltation/

sedimentation

Floods Loss of habitat

Global warming

Water quality

Island

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VU GIA –THU BON RIVER BASIN LOCATION

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IWRM Process

Impacts(Social,Environmentaletc.)

1. Recognizing &

identifying

2. Conceptualizing 3. Coordinating &

planning

4. Implementing,monitoring & evaluating

5. Recognizing &

identifying

Progress of IWRM

8

THE MAGIC OF IWRM SPIRAL CONCEPT MODEL

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NOW WHAT?

Recommendation

1. Institutional and legal framework

Establishment of RBO that has legalmandate , functional management

board, technically and financially

equipped.

Capacity development

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2. Formulation of Vu Gia-Thu Bon Basin

Master Plan/Road MapThe Master Plan will be the framework

for Action and Strategies on the

integrated management anddevelopment of the VGTB RiverBasin.

Participatory

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3. Adoption of appropriate/proper technology

indigenous knowledge Advance technology to optimize the

benefits

Dam construction Farming Biodiversity conservation Aquaculture

Waste management

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4. Sustainable Funding Mechanism

• From government• Outsourcing

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5. BENEFIT SHARING

In-placed equitable benefit sharingmechanism

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6. Monitoring and Evaluation

Participatory Capacity building Involvement of concerned stakeholders

• Upstream• Downstream• Delta• Island

Cont’n M&E

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Feedback mechanism Public disclosure

Face to Face Conduct of forums Community meeting

Publications journalsnewsletters

local publications

Cont n…..M&E

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