Agua y Cambio Climático 1 water reserves eugenio barrios wwf mexico
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Transcript of Agua y Cambio Climático 1 water reserves eugenio barrios wwf mexico
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Eugenio Barrios, WWF
Mario López, CONAGUA
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New water management models in Mexico
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Contributions
• Mexican standard of environmental flow (Norma Mexicana de Caudal Ecológico)
• Identification and feasibility analysis of water reserves
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Water Reserve
National Water Law:
– Art. 41… the federal government could implement trough a decree the total or partial reservation of national water with the objective of ensure the minimal ecological flow for ecological protection.
– Art. 86 BIS 1, The Commission is allowed to…“promote water reserves or ecological reserve according to the law to preserve wetlands”
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• Criteria for the identification of water reserves
Water availability and stress (management units) Biodiversity importance Water extraction restrictions Presence of hydraulic infraestructure (big dams) Agricultural Irrigation Districts Overexploited aquifers Population density
Water Availability Water
Stress Ecological Importance Restrictions
Aquifer overextraction
Population Infraestructure Irrigation Zones
7 Core variables
48 Secondary variables
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728 basins with official water
balance
Resultado final y toma de decisiones
Análisis y refinamiento de la información
Escala o nivel
estratégico
GIS integration
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Major Benefit o Reduce water users risk and support biodiversity conservation
100 % MAR
40 % MAR
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…As an early adaptation measure:
Instrument to ensure environmental services and goods from the hydrological cycle that preserves the
funcionality and conectivity of ecosystems.
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National Water Reserves Program for the Environment
o National System of water reserves
o Public-Private Initiative
o Budget: $10 Mill Dlls (20 water reserves)
o First water reserves to be presented at the 2012
World Water Day
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Thank you
Gracias www.conagua.gob.mx
www.wwf.org.mx/reservas-de-agua