Species
Définition
Sens commun
All plants (phytoplankton) or animals (zooplankton) of very variable sizes and belonging to a variety of groups, that are living in suspension in water and whose more or less passive movements are determined by currents.Source
According to Poitou-Charentes Regional Council
Migration
Définition
Sens technique
Movement of a group of individuals between two distinct habitats under the influence of periodic (climate, food and spawning) or accidental factors, and their return later to the place of departure. Most frequently, these movements are necessary for the fulfilment of the life cycle of the species: gamic migration (related to reproduction), ontogenetic migration (related to the movement of individuals during their growth), trophic…Source
According to Poitou-Charentes Regional Council
Priority habitat
Définition
Sens commun
Endangered habitat on the European territory of the Member States and for the conservation of which the EU has special responsibility. Priority habitats are indicated by an asterisk in Annexes I and II of the Habitats Directive.Source
According to Poitou-Charentes Regional Council
Habitat of community interest
Définition
Sens commun
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.
Source
According to Poitou-Charentes Regional Council
Priority species
Définition
Sens commun
Endangered species on the European territory of the Member States and for the conservation of which the EU has a special responsibility. Priority species are indicated by an "*" in Annexes I and II of the Habitats Directive.Source
According to Poitou-Charentes Regional Council
Threatened species
Définition
Sens commun
Species listed in the Red List of the International Union for Conservation of Nature (IUCN), which can belong to species that are critically endangered, endangered species or vulnerable species.Source
According to Poitou-Charentes Regional Council
Species of community interest
Définition
Sens réglementaire
Endangered or vulnerable or rare or endemic species (i.e. living on a well-defined territory) listed either in Annex II of fauna and flora habitats directive, then special areas of conservation have to be designated, or in Annexes IV or V of the fauna and flora habitats directive, and for which protective measures must be implemented on the whole territory.
Source
According to MNHN
Determining species
Définition
Sens commun
Qualifies endangered, vulnerable, rare or remarkable species that meet the rankings established by the International Union for Conservation of Nature (IUCN) or extracted from red books published nationally or regionally, but also nationally or regionally protected species, or subject to European or international regulations when they are of a real interest to national or regional heritage, as well as species that do not benefit from the protected status or are not included in red lists, but under specific ecological or biogeographical conditions, at a limit of an area or whose Source
According to Poitou-Charentes Regional Council