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Title
UNEP - Water Quality Monitoring: A Practical Guide to the Design and Implementation of Freshwater
Quality Studies and Monitoring Programmes
Abstract
Freshwater is a finite resource, essential for agriculture, industry and even human existence.
Without freshwater of adequate quantity and quality sustainable development will not be
possible. Water pollution and wasteful use of freshwater threaten development projects and
make water treatment essential in order to produce safe drinking water. Discharge of toxic
chemicals, over-pumping of aquifers, long-range atmospheric transport of pollutants and
contamination of water bodies with substances that promote algal growth (possibly leading to
eutrophication) are some of today’s major causes of water quality degradation.
It has been unequivocally demonstrated that water of good quality is crucial to sustainable
socio-economic development. Aquatic ecosystems are threatened on a world-wide scale by
a variety of pollutants as well as destructive land-use or water-management practices. Some
problems have been present for a long time but have only recently reached a critical level,
while others are newly emerging.
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