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Service that covers, for households, or any other economic activity: the abstraction, impoundment, storage, treatment and supply of surface water and groundwater, as well as the collecting and wastewater treatment facilities that subsequently discharge into surface waters.
Direct or indirect benefit that man obtains from nature. Ecosystems, and more generally biodiversity, support and provide many services, called ecological or ecosystem services, which are sometimes classified as common and/or public good, often vital or useful services to human beings, other species and economic activities. These services include the self-maintaining services, supply services,
Physical and chemical characteristics of water. Inside a water analysis, the observed parameters are quite numerous, and all of these allow to determine the physical-chemical water quality, which determines the maintenance of river biodiversity. These parameters could be for example, temperature, turbidity, concentration of organic matter, mineral, nitrogen, etc.