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Re-meandering

Updated on 04/12/2018
Définition
Sens commun
Technique of lengthening the layout and reducing the slope of a river to make its morphology more sinuous and thus restore its hydrobiological functions.
Source
according to CELF

Aquatic insect

Updated on 04/07/2018
Définition
Sens commun

Articulated invertebrate animal which have the characteristic of breathing through trachea. Some insects have become aquatic (representing 3% of insects) but have retained this aerial breathing.

Source
according to INRA

Macro-invertebrate

Updated on 27/02/2019
Définition
Sens commun

Animal visible to the naked eye (ie larger than 0.5 mm) that does not have a skeleton, bone or cartilage.

Source
d'après Ministère de l’Écologie, du Développement durable et de l’Énergie

Parameter

Updated on 04/07/2018
Définition
Sens technique
Property of a medium or part of it which helps to assess its characteristics and/or quality and/or fitness to some uses. The parameter can firstly be of two types: quantitative and qualitative, and secondly of five kinds: physical, chemical, environmental, microbiological and hydrobiological.
Source
According to AFB

Hydrobiology

Updated on 19/06/2018
Définition
Sens commun
Science that studies the life of aquatic organisms.
Source
According to AFB

Benthic invertebrate

Updated on 04/07/2018
Définition
Sens commun
Organism which populates the bottom of rivers and lives on the surface in the interstices of the substrate. For a great part, they are larvae, insects, molluscs and worms.
Source
According to AFB

Faunal list

Updated on 13/07/2018
Définition
Sens technique

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

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

Fish

Updated on 19/06/2018
Définition
Sens commun

Aquatic vertebrate that breathes through gills and has both limbs represented by fins (pectoral and pelvic). Fish are usually oviparous.

Source
according to Poitou-Charentes Regional Council