Chu Thai Hoanh

Lacombe, Guillaume

McCartney, Matthew P.

Metzger, L.

Reis, J.

Shwu Jiau Teoh

Suan Pheng Kam

CGSpace

The	  3rd	  International	  Forum	  	  on	  Water	  and	  Food	  Tshwane,	  South	  Africa	  November	  14	  –	  17, 2011	  	   	   	  	  	  Co-­‐hosted	  by:	  	  	   	  I d e n t i f y i n g  l a n d  a n d  w a t e r  r e s o u r c e s  f o r  i m p r o v i n g  l i v e l i h o o d s  o f  p e o p l e  l i v i n g  a r o u n d  r e s e r v o i r s  i n  t h e  M e k o n g  B a s i n   SUAN	  PHENG	  KAM1,	  SHWU	  JIAU	  TEOH,	  LETICIA	  METZGER,	  CHU	  THAI	  HOANH,	  JULIA	  REIS,	  MATTHEW	  MCCARTNEY	  AND	  GUILLAUME	  LACOMBE	  World	  FIsh1	  	  s.kam@cgiar.org	  	  Session:  Emerging TWG 	  AVAILABILITY	  AND	  EXCESS	  TO	  LAND	  AND	  WATER	  RESOURCES	  OF	  THE	  NAM	  GNOUANG	  RESERVOIR	  UNDER	  DIFFERENT	  WATER	  DRAW-­‐DOWN	  CONDITIONS	  	  	  	  	  International	  Forum	  on	  Water	  and	  Food	     S u m m a r y  Identifying	   available	   land	   and	   water	   resources	   around	   reservoirs	   is	   important	   for	   supporting	   the	  livelihoods	  of	  affected	  communities	  who	  depend	  on	  these	  resources.	  For	  our	  research,	  we	  used	  time-­‐series	  satellite	  imagery	  and	  digital	  elevation	  data	  in	  the	  area	  of	  the	  Nam	  Gnouang	  reservoir	  in	  Lao	  PDR,	  to	  map	  current	  land	  use	  and	  determine	  areas	  of	  seasonally-­‐flooded	  land	  along	  the	  reservoir	  fringes	  that	  are	  accessible	  by	   local	   farmers	   for	  cultivation.	  As	  these	   land	  areas	  vary	  with	  the	  reservoir	  water	   level,	  their	  emergence	  and	  duration	  are	  determined	  by	  the	  scheduling	  of	  water	  draw-­‐down.	  We	  also	  use	  GIS-­‐based	   accessibility	   analysis	   to	   evaluate	   local	   communities’	   access	   to	   the	   water	   body	   for	   fisheries	   or	  aquaculture.	  This	  analytical	  approach	  takes	  account	  of	   the	  needs	  of	   local	   livelihoods.	   Its	   results,	  when	  incoporated	   into	   a	  DSS	   for	   reservoir	  mangement,	  would	   inform	  and	   suggest	   adjustments	   in	   reservoir	  operation	  that	  could	  accommodate	  these	  needs.	  The	  method	  will	  subsequently	  be	  applied	  to	  the	  other	  two	   study	   sites	   of	   the	   CPWF	  Mekong	  basin	   project:	   the	   Yali	   in	   Vietnam	  which	   has	   been	   in	   operation	  since	  2002,	  and	  the	  planned	  Lower	  Sesan	  2	  in	  Cambodia.	  The	  approach	  is	  also	  generically	  applicable	  to	  address	  similar	  issues	  on	  reservoir	  management	  to	  accommodate	  local	  livelihoods	  in	  other	  river	  basins.	  	  	  	  Key Message Availability	  and	  accessibility	  of	  land	  and	  water	  resources	  are	  important	  factors	  for	  improving	  livelihoods	  of	  local	  people	  who	  are	  living	  around	  reservoirs.	  The	  analysis	  of	  these	  factors	  also	  helps	  inform	  the	  need	  for	  adjustment	  in	  reservoir	  operation	  to	  accommodate	  the	  livelihood	  needs	  of	  affected	  communities.	  

Identifying land and water resources for improving livelihoods of people living around reservoirs in the Mekong Basin

https://cgspace.cgiar.org/bitstream/10568/10549/3/MSSe001_Final_RD_1710.pdf

Identifying land and water resources for improving livelihoods of people living around reservoirs in the Mekong Basin

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