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You´re in:Mandeo Project / Summary and justification / Environmental health of the ecosystem


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Environmental health of the ecosystem

Valuing a territory linked to a river requires nowadays that the hub element fulfills certain quality standards.

The Water Framework Directive (from now on referred as WFD) and its legislation are the current legislative frame that guarantees the health of the fluvial environments. The WFD is not only a declaration of intentions, but also imposes terms and obligations to the states of the European Union. Every natural bed, except from very reasoned justifications, must fulfil some aims which define the good ecological state of the river. They are based in biological, physicochemical (waters quality), and hydromorphological (protection or ecological flows) indicators.

The measures to take are not an abstract concept, but are regulated by the WFD; by the Rewritten Text of the Law of Waters (art. 92) and by the Regulation of Hydrological Planning (art. 41.4.) Among others, these following measures are considered to be basic:
1._Measures to boost an efficient water use
2._Measures to monitor the water extraction
3._Measures to monitor river dumping
4._Measures to guarantee the implementation of European Rules on water for human consumption; drainage; and treatment of urban sewage water, natural environments, etc.

Mandeo Case: Mandeo river and its tributaries, as Mendo river; shape an ecosystem that, in comparative terms, has a passable state of health. Nevertheless, it is far to fulfill the aims that the Directive establihes. Thus, the first step to take prior to any other action is guaranteeing that the indicators that show the quality of the river are inside the imposed limits. This means, first of all, investing in facilities to drain and purify.

Nowadays, draining and supplying systems must observe the following principles:
1._Commitment to make a sustainable use of the resource: water is not a commercial good but a heritage to be protected.
2._It is necessary to transform the consumption of water concept and communicate citizens the idea of the water cycle.
3._The strict performance of the current and future legislation must be aimed.
4._It is necessary to promote a high level of environmental and sanitary protection both in the urban and in the rural environment, by a proper management of the supplying and urban sewage water.
5._Shared responsibility: every social agent has to take part in searching the ideal solution.
6._Water supply guaranteeing quantity and quality both in rural and urban environments.
7._Strategies to minimize the production of sewage water in origin, and to improve the monitoring of the pollution sent to the drainage system must be developed.
8._Recycling sewage water must be boosted.
9._Education, training and public awareness on the importance of this essential and scarce resource must be risen.


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