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  2. Soil

Soil

Extractable soil water

Updated on 26/10/2022
Définition
Sens commun

Quantity of water that the soil can hold and return immediately to the roots of plants. It is expressed in millimeters (mm).

Source
d'après Ministère chargé de l'environnement et OFB
Sens technique

The extractable soil water (RU) is the fraction of the soil water reserve available to the plant, or that which can be extracted by the plant through root suction. It is expressed in millimetres of water.

Source
d'après INRA

Natural Area of Ecological, Faunistic or Floristic Interest

Updated on 26/10/2022
Définition
Sens commun
Natural Area of special Ecological, Faunistic or Floristic Interest (ZNIEFF) which is the subject of a national scientific inventory under the authority of the Muséum National d'Histoire Naturelle/National Natural History Museum (MNHN) on behalf of the Ministry for the Environment. Two types are well identified: type I: areas of outstanding biological interest, areas of type II covering the large natural areas up to date, the ZNIEFF inventory concerns: wetlands, streams, marshes, bogs, moors, for example.
Source
According to OFB