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Flora

Updated on 06/09/2018
Définition
Sens commun
Plant species growing in a given geographical area or environment.
Source
according to ADEME

Aquatic flora

Updated on 06/09/2018
Définition
Sens commun
Plant species growing in aquatic environments.
Source
according to ADEME

Cover crops

Updated on 25/02/2019
Définition
Sens commun

The vegetation that covers the ground. The vegetation cover of a soil is an agri-environmental good practice which induces benefits, such as the mitigation of nitrogen pollution, soil protection and a greater biodiversity.

Source
According to Unesco

Hydrophyte

Updated on 04/12/2018
Définition
Sens commun
It is an aquatic plant whose leaves and flowers are submerged. The hydrophytic plant grows attached to the bottom of aquatic environments or floating freely in areas of low current. For example, watercress, water lilies or duckweeds are hydrophytic plants.
Source
according to AFB

Helophyte

Updated on 04/12/2018
Définition
Sens commun
It is a semi-aquatic plant whose leaves and flowers are emerged at least partly. The helophytic plant grows on the banks or the bottom of aquatic environments, when the water depth is sufficiently low and when the bottom and weak current allow the fixation of the roots. For example, the common reed is a helophytic species
Source
according to AFB

Naturalized species

Updated on 08/07/2019
Définition
Sens technique

An introduced species that meets ecological conditions favourable to its sustainable establishment over time that can establish populations in an autonomous manner and integrated into the ecosystem.

Source
according to MNHN

Invasive Alien Species

Updated on 01/12/2020
Définition
Sens commun

A species that is indigenous or non-native to a given territory, proliferates and extends its range due to an increase in population density.

Source
according to MNHN

Marine protected area (AMP)

Updated on 13/07/2021
Définition
Sens commun

Espaces délimités en mer qui répondent à des objectifs de protection de la nature à long terme. Le code de l’environnement reconnaît différentes catégories d’aires marines protégées. La plupart des aires marines protégées permettent de concilier les enjeux de protection et le développement durable d’activités.

Le code de l'environnement (article L334-1 modifié le 24/07/2019), reconnaît différentes catégories d'aires marines protégées qui répondent chacune à des objectifs propres tout en étant complémentaires.

Source
d'après Ministère chargé de l'écologie et l'Ifremer
Sens technique

Espaces  délimités  en  mer  au  sein  duquel  un  objectif  de  protection  de  la  nature  à  long terme a été défini, objectif pour lequel un certain nombre de mesures de gestion sont mises en œuvre : suivi scientifique, programme  d’actions,  chartes  de  bonne  conduite,  protection  du  domaine  public  maritime,  réglementations,  surveillance,  information  du  public,  etc.  Sur  la  base  de  cette  définition,  l’objectif de protection n’est pas exclusif d’autres objectifs, notamment de développement économique maîtrisé (utilisation et exploitation durables des ressources marines).

Pour en savoir plus :

LOI n° 2006-436 du 14 avril 2006 relative aux parcs nationaux, aux parcs naturels marins et aux parcs naturels régionaux  et,

Source
d'après Ministère chargé de l'écologie

Living communities

Updated on 13/07/2018
Définition
Sens technique

All living organisms (animals and plants including microorganisms) that occupy a given ecosystem. This group of living organisms is characterized by a specific composition and by interdependence phenomena. It occupies an area known as biotope and with the latter makes an ecosystem. A biocenosis changes over time (pioneer phase, intermediate phase and equilibrium phase).

Source
According to the Ministry for the Environment and AFB

Fauna and flora habitats directive

Updated on 13/07/2018
Définition
Sens technique

Directive 92/43 / EEC of 21 May 1992 on the conservation of natural habitats and  fauna and flora, known DHFF Directive. It aims to contribute to the maintenance of biodiversity by defining a common framework for the conservation of natural habitats - terrestrial or aquatic - and wild species of plants and animals of community interest. It obliges membres of  states designate

Source
According to the Ministry for the environment and AFB

Revegetation

Updated on 19/06/2018
Définition
Sens commun
All operations to cover a space with vegetation, grass, shrubs or trees.
Source
According to the Ministry for the Environment and AFB

Indicator species

Updated on 13/07/2018
Définition
Sens technique
Species used to characterize the functional ecological status of French streams: trout (brown trout) for salmonid habitats (usually cold mountain freshwaters or close to reliefs), pike for cyprinid habitats (slow lowland streams), and the grayling or white water cyprinids (barbel, dace, etc) for intermediate environments. These species are demanding and found in all natural environments with good status.
Source
According to AFB

Floristic list

Updated on 13/07/2018
Définition
Sens technique

Abundance of each taxa present in one or more basic hydro-biological samples taken during the same sample operation.

Source
According to AFB

Species of community interest

Updated on 13/07/2018
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

Water Board

Updated on 25/02/2019
Définition
Sens commun

A Local public institution located overseas, similar to the water agencies in continental France, which is responsible for facilitating the various activities of common interest in the management of water and aquatic environments to help achieving the objectives of the river basin management plans (SDAGEs). There is currently a water board in the Reunion, Martinique, Guadeloupe and Guyana. Since Mayotte became a Department, there are thoughts of creating a water board.

Source
According to the Ministry for the Environment

Flood warning

Updated on 08/04/2020
Définition
Sens commun

Warning issued in advance by the departmental flood forecasting services. In the event of heavy rainfall or hydrological alert, a flood warning is sent to the Prefect, who then alerts the mayors of the catchment areas concerned.

Source
according to OFB
Sens technique

Warning issued in advance by a special state service (flood forecasting service). In the event of a rainfall or hydrological alert (triggering when thresholds are exceeded), the flood forecasting service offers the Prefect the alert of the mayors of the watersheds concerned. As a severe overflow flood, the flood warning service broadcasts, for prefects and mayors, hydrological situation bulletins and information on the evolution of water levels . In 1994, 54 flood warning services monitored 16,000 km of waterways in France using automated measurement networks.

Source
According to Ministry of the Environment and OFB

Environmental audit

Updated on 06/09/2018
Définition
Sens technique
Management instrument including a systematic, documented, periodic and objective assessment of the effectiveness of the organisation, management system and procedures in terms of environmental impact. An environmental audit can be carried out without a reference system, with a diagnostic purpose, or with a reference system, in order to check compliance with rules or standards.
Source
according to Cogiterra

Dam release

Updated on 06/09/2018
Définition
Sens technique
Operation to lower water level and increase outflow rates to discharge some of the sediment retained by a dam. A dam release consists in opening the gates, thus limiting the silting of the dam reservoir and the risk of flooding. This operation, although common in the management of harnessed rivers, can have adverse effects on the downstream environment (decrease of oxygen levels in water, obstruction of fish gills by suspended solids, etc.).
Source
according to ISTREA

Hydraulic equipment

Updated on 06/09/2018
Définition
Sens commun
Equipment or infrastructure used for the abstraction, storage, treatment, conveying or transfer of water.
Source
according to the Corsican Hydraulic Equipment Office

Public river-basin territorial agency

Updated on 04/07/2018
Définition
Sens technique

Group of local authorities established, at a watershed or a group of sub-watersheds scale, in order to facilitate the flood prevention, the defense against the sea, the management of water resources, and the preservation and management of wetlands. When a Sub-basin Management Plan has been set up, the Public river-basin territorial agency contributes to its monitoring and development. It ensures also the consistency of the management project of the Public water management and development agency.

Source
according to Legifrance

Macrophyte biological index for rivers

Updated on 06/09/2018
Définition
Sens technique
Index assessing the biological status of rivers based on macrophytes. Applicable to the inland parts of rivers, it essentially reflects the degree of tropism (feeding process of plant organs and tissues) related to ammonium and orthophosphate contents, as well as the most obvious organic pollution.
Source
according to the Regional Directorate for the Environment, Planning and Housing (DREAL) of the Loire reg

Landscape integration

Updated on 06/09/2018
Définition
Sens commun
Landscaping (choice of colours, materials and architecture, planting of trees and flowerbeds for example) to integrate buildings and constructions in their environment.
Source
according to the Ardennes Chamber of Agriculture

Metrology

Updated on 06/09/2018
Définition
Sens commun
Science that measures parameters with sensors. Metrology measures, for example, the speed of marine currents or the chemistry of water.
Source
according to IFREMER

Electric fishing

Updated on 04/12/2018
Définition
Sens commun

Method used to evaluate the abundance of fish species in a portion of a stream and to precise the different populations. It consists in the creation of an electric current which attracts fish. Then, paralyzed by electricity, they rise to the surface, which helps their identification and counts. After a little while, fish are free to circulate in the stream again.

Source
According to Wikipedia et Val-de-Meurthe municipality communities

Sampling point

Updated on 06/09/2018
Définition
Sens commun
Place of collection of water samples for analysis.
Source
according to AFB