Re-meandering
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
Hydrobiology
Macro-invertebrate
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
Aquatic insect
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
Fish
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
Benthic invertebrate
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 OFB
Hydrobiology
Définition
Sens commun
Science that studies the life of aquatic organisms.Source
According to OFB
Parameter
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 OFB