Post on 22-Apr-2015
description
Improving Rural Household Food Security through Reuse of Treated Waste Water in Lambayeque and Arequipa Departments in Peru
Karen Kraft, Executive Director AEDESPeruvian Water Forum, GWP S America
PACIFIC1.8% freshwater70 % population2,093 m³/person
ATLANTIC97.7% Freshwater26% population211,284 m³/person
TITICACA.5%
freshwater4%
population10,174 m³/
person
Water Security in Peru
Peru has 4.6% of the world´s freshwater , yet 2/3 of Peruvians live on the edge of water stress in the economically vital Pacific Basin
Water Insecurity in Peru
Water availability is declining in some areas, such as the Chancay-Lambayeque Basin in N. Peru that has seen a 63% decline in three decades.
In other areas, such as the Arma-Chichas watershed of Arequipa, farmers expect that the Coropuna glacier melt currently used to plant crops will disappear in the next 25 years.
Our regional insecurity is compounded by unequal water rights, wasteful use practices and poor infrastructure.
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Food Security Consecuences of Water Scarcity
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Abandoned Fields: Only 70% of irrigated fields under cultivation
Low Harvest Yields due to Water Stress
Overwatering on day of water allotment damages plants and causes erosion
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Borrowing Water is time consuming and leads to social conflicts. Small-holders are dependent on the water rights of large land-holders
Highland Peru: Chronic Poverty, Food Insecurity, Rudimentary
Irrigation Systems
WASTE WATER RE-USE IN LIVESTOCK PRODUCTION
1. 2,000 HECTARES RECOVERED BY LANDLESS POPULATION.
2. IRRIGATION AND DRAINAGE IMPROVEMENTS, ALFALFA & FORRAGE PLANTED
3. YEAR ROUND USE OF CHICLAYO´S WASTE WATER FOR ALFALFA, FEED CORN AND SORGHUM CROPS.
4. TREATED WASTE WATER RESOURCES ARE ADMINISTERED BY THE COMMUNITY, VIA LOCAL MANAGERS.
5. THIS IS NOT AN ENGINEERING FEAT. SUCCESS IS DUE TO SOCIAL ORGANIZATION OF PRODUCTION AND CONFLICT RESOLUTION. CES SOLIDARIDAD PLAYED A KEY ROLE
Centro de Estudios Sociales Solidaridad in Lambayeque, PERU
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IMPACT OF WASTE WATER RE-USE1. 2,000 HECTARES OF BARREN LAND MADE
PRODUCTIVE2. CREATION OF RURAL JOBS FOR LANDLESS: 4,000
WORKERS (2 per hectare).3. IMPROVED FOOD SECURITY ; SALES OF MILK
PRODUCTS4. REDUCTION OF POVERTY LEVELS. INCOME
IMPROVEMENT OF US$ 500/monthly.5. HEIGHTENED LAND VALUE: 1 HECTARE = US $
5,0006. IMPROVED SANITATION PRACTICES, TRASH
REMOVAL ON FARM LAND AND NEARBY BEACHES.
IMPROVED WATER MANAGEMENT FOR FOOD SECURITY
ADAPTS (2009-11) Free Univ. Amsterdam, BothENDS, AEDES, AcaciaWater. Dutch Funds
Use efficiency: 40% gravity95% drip
Store Rainwater
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Use of Treated Wastewater for Tara Andaray High
School, Arequipa
Installation: $1,750/hectareCrop value: $46,000 year 3
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Use of Treated Wastewater & Drip
Irrigation
THANKS!