grp1 presentation
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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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