Science Forum Day 3 - Huanh Chu Thai - Conflicts between agriculture and aquaculture in the delta
Upcoming SlideShare
Loading in...5
×

Like this? Share it with your network

Share

Science Forum Day 3 - Huanh Chu Thai - Conflicts between agriculture and aquaculture in the delta

  • 834 views
Uploaded on

 

More in: Business , Technology
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Be the first to comment
    Be the first to like this
No Downloads

Views

Total Views
834
On Slideshare
834
From Embeds
0
Number of Embeds
0

Actions

Shares
Downloads
1
Comments
0
Likes
0

Embeds 0

No embeds

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
    No notes for slide

Transcript

  • 1. Conflicts between agriculture and aquaculture in the delta Chu Thai Hoanh July 2011 IRRI – WorldFish – IWMI + National Partners DfID – CA – CPWF10 projects, 1999-2007
  • 2.
    • Land & water use in Ca Mau peninsula
    • In early 90’s
    • rice demand => expanding rice into saline areas
    •  Quan Lo Phung Hiep water control system
    Fresh water Saline water Fresh water Saline water 250,000 ha
  • 3. Bac Lieu province Bach Nguu (2000) Cau Sap (1996) Thanh Tri (1995) Cai Trau (1994) My Phuoc (1994) Since 1994, sluices were progressively constructed to protect from salinity intrusion Saline water Fresh water Chu Chi (1997) Lang Tram (1998) Pho Sinh (1998) Vinh My (1997) Ca Mau (2000)
  • 4. Who win and who lose? Average Poor Ninh Thanh Loi Rich Average Poor Phong Thanh Tay Ninh Hoa Average Very poor Minh Dieu Average Poor
  • 5. Inequitable income is evident… Rice house Shrimp house
  • 6. Brackish water => needs of change in water management for both rice & shrimp Fresh water
  • 7. 2S or 2S+1R 2S or 2S+1R 2R/U 3R/U 3R/U 1S or 1S+1R New land use zones delineated … … and corresponding water quality requirements identified 2 1 1S, 2S: 1 or 2 shrimp crops 1R: 1 rice crop 2-3R/U: 2 or 3 rice/upland crops 4 5 6 3
  • 8. Explore options in sluice operation for salinity control All sluices closed Lang Tram: two directions Lang Tram: two directions Ho Phong: draining out Day 15 Day 15 Day 30 Day 45 Day 60 Day 15 Day 30 Day 45 Day 60 Day 30 Day 45 Day 60
  • 9. Impact on farmers’ income Rich Average Poor Phong Thanh Tay Ninh Hoa Average Very poor Minh Dieu Average Poor Average Poor Ninh Thanh Loi
  • 10. Baseline 2030 + 30 cm SLR 2030 + 75 cm SLR Coming challenges - Sea level rise
  • 11. Conclusion remark Integration in AAS = Endless conflict resolution process
  • 12. THANK YOU FOR YOUR ATTENTION