Extraction of fresh water from a groundwater source or surface, permanently or temporarily, and conveyed to the place of use. Water abstractions include all activities related levies generated by agriculture, industry (including energy), the supply of drinking water, or other (mineral spring authorized, production artificial snow).
Rechercher un terme
Any live specimen of a species, subspecies or lower taxon of animals, plants, fungi or micro- organisms introduced outside its natural range; it includes any part, gametes, seeds, eggs or propagules of such species, as well as any hybrids, varieties or breeds that might survive and subsequently reproduce.
All the suspended material in water, organic matter or nutrients, such as nitrogen or phosphate. They may occur naturally in water but their concentration increases with human activities (wastewater discharge, agriculture...). In contrast to micropollutants, which are toxic even at low concentration, macropolluants requires higher content to cause bad effects.
Refers to a taxon when the best available evidence indicates that it faces a "very high" risk of extinction in the wild.
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.
Exotic species whose introduction by humans, voluntary or fortuitous, on a territory threatens ecosystems, natural habitats or native species with negative ecological, economic and health consequences.
Species, subspecies or lower rank taxon, introduced outside its natural range, past or present. Introduction or spread threatens biodiversity. The definition includes all parts, seeds, eggs or propagules of species of this type that could survive and reproduce.
According to the European regulation n ° 1143/2014, "an exotic species whose introduction or propagation proves to constitute a threat for the biodiversity and the associated ecosystem services, or to have harmful effects on the biodiversity and the said services".
Action to rehabilitate a more or less artificialized environment to its original and natural status. By trying to rehabilitate all the physical characteristics of the environment (e.g. meanders recovered in an improved river), revitalization aims to recover all the initial potentials of the environment in terms of biological diversity, self-cleaning capacity, etc. Most ambitious than restoration, revitalization aims to globally recreate the ecological functioning and