Environment defined by specific abiotic and biotic factors in which a species lives at any stage of its life cycle. A natural habitat is distinguished by geographic, abiotic and biotic entirely natural or semi-natural.
Glossaire de A à Z
Endangered habitat or having a reduced range or constituting a remarkable example of characteristics specific to one or more of the biogeographical areas listed in Annex 1 of the habitats directive and for which some special areas of conservation (SACs) must be designated.
Qualifies activities related to fishing in all its forms, professional or recreational, in freshwater or marine areas.
Toxic, persistent and bioaccumulative priority substance whose discharge and loss into the environment should be stopped.
Development potential of electricity generation processes in hydropower plants.
Machine capable of producing mechanical energy from water and then converting it into electricity. The turbine is the main component of a hydropower plant.
Groundwater science, included in the Earth sciences. Hydrogeology combines knowledge of the geological and hydrological conditions and physical laws governing the origin, presence, movements and properties of groundwater, as well as the application of this knowledge to human actions on groundwater, including their prospection, their capture and their protection.
Type of drought affecting water levels in environments: lakes, rivers or groundwater show abnormally low levels. It depends on precipitation but also on the state of the soil affecting runoff and infiltration.
All physical and biological phenomena (water, erosion, etc), and their interactions within the river system or hydrosystem. Thus the great diversity of plant and animal communities (Living communities) is expressed only by river dynamics (alternating low and high-flow levels, deposits and erosion, etc). These phenomena are influenced by the different uses and can contribute to meet the latter.