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Vegetated discharge area

Updated on 25/02/2019
Définition
Sens technique
Space developed between the wastewater treatment plant and the receiving environment of treated wastewater discharges (it is not part of the wastewater treatment plant). The vegetated discharge areas (VDA) are characterised by the use of plants (mostly aquatic but possibly also terrestrial) and their planting close to the treatment plant, in the space remaining after the building of this plant. The VDA is not a wetland as there is no "long presence of natural water". It is also not a grass strip, specific to the mitigation of non-point source pollution (pesticides, fertilisers, sediments, etc.), especially in agriculture.
Source
according to AFB and IRSTEA

Environmental compensation

Updated on 04/12/2018
Définition
Sens commun
A set of actions for the environment to counterbalance the damage caused by the implementation of a project, which could not be avoided or limited. Environmental compensation can consist of the protection of natural areas, the restoration, use or long-term management of natural habitats.
Source
according to CELF

Environmental engineerin

Updated on 04/12/2018
Définition
Sens commun
Scientific, technical and practical knowledge to understand and improve interactions between human beings and natural environments.
Source
according to CELF

Ecological engineering

Updated on 24/06/2020
Définition
Sens commun

Project management which, in its implementation and monitoring, applies the principles of ecological engineering and promotes the resilience of ecosystems. Ecological engineering allows in particular the reconstruction of natural environments, the restoration of degraded environments and the optimization of functions provided by ecosystems.

Source
according to French Ecological Engineering Resource Center

Ecological engineering

Updated on 04/12/2018
Définition
Sens commun
Carrying out projects that, in their implementation and monitoring, apply the principles of ecological engineering and enable the resilience of ecosystems. Ecological engineering allows recovering natural environments, restoring degraded environments and optimising the functions provided by ecosystems.
Source
according to CELF

Resilience

Updated on 04/12/2018
Définition
Sens commun
The ability of an ecosystem to withstand and survive alterations or disturbances affecting its structure or functioning, and eventually find a new balance.
Source
according to CELF

Dam removal

Updated on 27/07/2020
Définition
Sens commun

Action de démanteler et détruire un obstacle à la continuité écologique (biologique et sédimentaire) d’un cours d’eau. Par exemple un seuil ou un barrage, édifié sur les cours d’eau.

Source
d'après Jura Natura Services

Headward erosion

Updated on 20/07/2020
Définition
Sens technique

Phénomène d’érosion qui se propage de l’aval vers l’amont d’un cours d’eau : dans le cas d’un déficit sédimentaire sur un tronçon aval, le cours d’eau, pour retrouver sa pente d’équilibre, va prélever en amont les sédiments nécessaires. Cette dynamique de rééquilibrage, souvent causée par la rectification du cours d’eau ou l’extraction trop importante de granulats dans son lit, se poursuit tant que le cours d’eau n’a pas retrouvé une pente d'équilibre, et peut provoquer un phénomène d‘incision. S'oppose à l'érosion progressive.

Source
d'après Jura Natura Services

Ecosystem

Updated on 13/07/2018
Définition
Sens commun

All living beings (Living communities), non-living elements and climatic and geological conditions (biotope) that are related and interact with each other, and which constitute a basic functional unit in ecology. The ecosystem of an aquatic environment is generally described by: the living beings that are part of it, the nature of the bed and river banks, the characteristics of the catchment area, the hydraulic regime, and the physical-chemical characteristics of water.

Source
According to the Ministry for the Environment and AFB

Restoration

Updated on 13/07/2018
Définition
Sens commun
Action of enabling the return to the previous status of an ecosystem degraded by neglect, or the purposive control of human action.
Source
According to the Ministry for the Environment and AFB

French Association for Standardization (AFNOR)

Updated on 09/08/2019
Définition
Sens commun

Association governed by the law of 1901, recognized by public utility, composed of nearly 2,500 member companies. Its mission is to lead and coordinate the standards development process and promote their application. AFNOR is the central core of the French standardization system.

Source
According to Organisation internationale de normalisation