Species

Faunal list

Sens technique

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

Source

According to OFB

Benthic invertebrate

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

River Fish Index

Sens technique

Index for assessing the biological quality of the water of a river through an analysis of fish populations.

Source

According to OFB

Standardized Global Biological Index

Sens technique

Index for assessing the biological quality of the water of a river through an analysis of macro invertebrates. The value of this index depends on both the quality of the physical environment (bottom structure, habitat diversity, river bank status, etc) and water quality.

Source

According to OFB

Adapted Global Biological Index

Sens technique

Index for assessing the biological quality of the water of a river through an analysis of macro invertebrates, adapted to the specificities of large and deep rivers, where the IBGN protocol (Standardized Global Biological Index) may not always be strictly respected.

Source

According to OFB

Faunistic indicator group

Sens technique

Constitutive metrics of the Standardized Global Biological Index (IBGN), revealing the sensitivity of aquatic invertebrates to pollution (mainly organic).

Source

According to OFB

Diatom

Sens commun

Microscopic brown algae with a siliceous skeleton.

Source

According to OFB

Cell

Sens commun

Structural, functional and reproductive unit constituting all or part of a living being.

Source

According to OFB

Fish population

Sens commun

Group of multispecies fish.

Source

According to OFB

Hydrobiology

Sens commun

Science that studies the life of aquatic organisms.

Source

According to OFB