Bossio, Deborah A.

Douxchamps, Sabine

Kizito, Fred

CGSpace

The	  3rd	  International	  Forum	  	  on	  Water	  and	  Food	  Tshwane,	  South	  Africa	  November	  14	  –	  17, 2011	  	   	   	  	  	  Co-­‐hosted	  by:	  	  	  	  	  M o d e l i n g  a n d  s c e n a r i o s  o f  e c o s y s t e m  s e r v i c e s  i n  t h e  V o l t a  B a s i n :  T r a d e o f f s  a n d  p l a u s i b l e  i n t e r v e n t i o n s  t o  e n h a n c e  r e s i l i e n c e   FRED	  KIZITO1,	  SABINE	  DOUXCHAMPS2	  AND	  DEBORAH	  BOSSIO3	  1International	  Water	  Management	  Institute,	  Accra,	  Ghana	  2IWMI	  Ouagadougou,	  Burkina	  Faso	  3	  International	  Water	  Management	  Institute,	  Addis	  Ababa,	  Ethiopia	  fkizito@cgiar.org	  	  S e s s i o n :  S p a t i a l  A n a l y s i s  a n d  M o d e l i n g ,  R e s i l i e n c e  	     S u m m a r y  Humans	   have	   changed	   ecosystems	   extensively	   to	   meet	   rapidly	   growing	   demands	   for	   food,	  freshwater,	  ﬁber,	  and	  fuel	  but	  have	  also	  caused	  enormous	  environmental	  damage.	  Ecosystem	  services	  approaches	   may	   alter	   this	   trend	   by	   improving	   understanding	   of	   complex	   ecosystem	   and	   livelihood	  dependencies	   and	   thus	   supporting	   management	   changes	   that	   can	   gradually	   reverse	   detrimental	  anthropogenic	   effects,	   and	   offer	   exciting	   opportunities	   for	   community	   livelihoods.	   Regrettably,	  ecosystems	  are	  poorly	  understood,	  and	  in	  many	  cases	  are	  undergoing	  rapid	  degradation	  and	  depletion.	  To	   address	   some	  of	   these	   gaps,	   this	   study	   proposes	   a	   conceptual	   framework	   that	  will	   use	   ecosystem	  services	   as	   the	   nexus	   between	   biophysical	   processes,	   ecological	   functionality	   and	   livelihoods	   with	   a	  Key Message We	  hypothesize	  that	  land	  management	  interventions	  with	  a	  suite	  of	  integrated	  water	  resources	  management	  (IWRM)	  tools	  will	  enhance	  complementarities	  and	  synergies	  for	  ecosystem	  services	  supply	  at	  multiple	  scales	  from	  the	  local	  scale	  to	  the	  basin	  scale.	  Results	  from	  this	  research	  could	  be	  used	  as	  a	  decision	  support	  tool	  for	  policy	  makers	  and	  researchers	  for	  plausible	  land	  management	  interventions	  that	  enhance	  ecosystem	  resilience	  while	  minimizing	  tradeoffs.	  	  	  	  International	  Forum	  on	  Water	  and	  Food	  focus	  on	   services	   from	   interventions	   linked	   to	   Integrated	  Water	  Resources	  Management	   (IWRM).	   	  An	  interdisciplinary	   approach	  will	   be	  used	   to	   characterize	   bundles	   of	   ecosystem	   services,	   and	  use	   spatial	  and	   biophysical	   tools	   to	   model,	   quantify	   and	   value	   ecosystem	   services.	   Finally,	   the	   study	   will	   assess	  trade-­‐offs/synergies	  associated	  with	  using	  strategic	  interventions	  to	  enhance	  ecosystem	  resilience.	  	  	  VOLTA	  BASIN	  CONCEPTUAL	  FRAMEWORK	  FOR	  THE	  SUPPLY	  OF	  ECOSYSTEM	  SERVICES:	  UNDERSTANDING	  THE	  POTENTIAL	  GAINS	  TO	  BE	  MADE	  IN	  THE	  PRODUCTIVITY	  OF	  ECOSYSTEM	  SERVICES	  AND	  THE	  LEVEL	  OF	  IMPACT	  OF	  THESE	  ON	  LIVELIHOODS	  REMAINS	  A	  KEY	  CHALLENGE.	  AS	  A	  RESULT,	  THE	  FRAMEWORK	  SHOWN	  IN	  FIGURE	  3	  ATTEMPTS	  TO	  UNRAVEL	  AND	  HIGHLIGHT	  HOW	  ESS	  IN	  THE	  VOLTA	  BASIN	  ARE	  INTRICATELY	  LINKED	  TO	  MULTIPLE	  MULTI-­‐SCALE	  DRIVERS	  AND	  THE	  NATURE	  OF	  SERVICES	  PROVIDED.	  THE	  PROPOSED	  STUDY	  INTENDS	  TO	  FOLLOW	  THE	  STEPWISE	  PROCEDURE	  SHOWN	  	  	  

Modeling and scenarios of ecosystem services in the Volta Basin: Tradeoffs and plausible interventions to enhance resilience

https://cgspace.cgiar.org/bitstream/10568/10415/1/VSSe005_Final_RD_1410.pdf

Modeling and scenarios of ecosystem services in the Volta Basin: Tradeoffs and plausible interventions to enhance resilience

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