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Mekong: The Challenges of Scale

Presentation delivered to the 'Sustainable Uses of Mekong Water Resources’ held at Can Tho University, April 22-23, 2016.

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Mekong: The Challenges of Scale

  1. 1. Research for Change Dr Kim Geheb, Regional Coordinator k.geheb@gmail.com Mekong: the Challenges of Scale
  2. 2. A set of interacting or interdependent component parts forming an intricate whole. Every system is delineated by its spatial and temporal boundaries, surrounded and influenced by its environment, described by its structure and purpose, and expressing in its functioning. System
  3. 3. One dam in Xe Bang Hieng
  4. 4. 2,492 weirs in Xe Bang Hieng
  5. 5. HP Development, Yunnan, China Hennig, T. 2012. Implications of Yunnan's aggressive hydropower development on regional food security, changing land utilization and livelihood: China’s Irrawaddy watershed. Paper presented at Stockholm World Water Week, 28 August, 2012.
  6. 6. 500# 1000# 1500# 2200# 2300# 1200# 1000# 800# 600# 400# 200# 0# Eleva/on#(m)# Distance#from#border#(km)# Mensong#(cancelled)# Ganlanba# Jinghong# Nuozhadu# Dachaoshan# Manwan# Xiaowan# Gongguoqiao# Tiemenkan#(cancelled)# Huangdeng# Tuoba# Wunonglong# Jiabi# Longqingxia# Lancang cascade
  7. 7. Nam Ngum River Basin If managed and coordinated as a system, Nam Ngum’s hydropower development values to society would increase by 3–12% (US$12-53 million/yr)*. * Jeuland, M., Baker, J., Bartlett, R. and Lacombe, G. 2014. The costs of uncoordinated infrastructure management in multi- reservoir river basins. Environ. Res. Lett. 9 (2014)
  8. 8. Dam MW Share holders Nam Ngum 1 149 EdL Gen (100%) Nam Ngum 2 615 EdL Gen 20%, Ch. Karnchang (Thailand) 28.5%, Ratchaburi (Thailand) 25%, + 3 more companies (26.5%) Nam Ngum 3 480 GMS Lao Company Limited (27%), Ratchaburi Electricity Generating Holding Public Limited Company (25%), Axia Power Holdings B.V. (25%), Lao Holding State Enterprise (23%) Nam Ngum 4 220 ? Proposed dam; development by a Lao company. Nam Ngum 5 120 EDL (Laos) 15%, Sinohydro (China) 85% Nam Ngum 1 Exp. 120 EdL Gen (100%) Nam Mang 1 64 Don Fang 75%, A&C 10.75%, EdL 10%, + one other 10%. Nam Mang 3 40 EdL (100%) Nam Bak 1 160 ? Planned dam Nam Bak 2 80 ? Planned dam Nam Lik 1 64 POSCO E&C: 10%; PTTI: 40%; HEC: 40%; EdL: 10% Nam Lik 1/2 100 EdL Gen (20%), Hydro Engineering Co. (80%) Nam Ngum: Huge diversity
  9. 9. …there is often no serious assessment for developing a holistic concept of the entire watershed including all tributaries. This concept should go far beyond hydropower development and create an innovative management model, which considers water, environment, livelihood, food security, etc.” Hennig, T., Wang, W., Feng, Y., Ou, X. and He, D. 2013. Review of Yunnan's hydropower development. Comparing small and large hydropower projects regarding their environmental implications and socio-economic consequences. Renewable and Sustainable Energy Reviews 27 (2013) 585–595. Planning shortfalls “
  10. 10. Impact assessments  Never ‘whole system’.  Restricted number of variables.  Focus only on variables for which there is some or partial data.  Land use change, food production, benefit sharing and/or ecosystem services very rarely considered.
  11. 11. Thank you for listening https://wle-mekong.cgiar.org

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