Sea and ocean


Open sea

Updated on 13/07/2018
Définition
Sens commun
Part of the sea where there is no more land marker.
Source
According to Ifremer

Benthic

Updated on 04/07/2018
Définition
Sens commun
Adjective that describes the water-sediment interface (= water-lithosphere interface) of an aquatic ecosystem, regardless of its depth (the bottom of lakes or of rivers or of the sea). Also describes an organism living on the river bottom or sea bed (macroinvertebrates, for example).
Source
According to the Ministry of Ecology

Wave

Updated on 13/07/2018
Définition
Sens commun
Periodic oscillation of sea level. The wave occurs sporadically, depending on the uneven pressures and on the wind friction that these differences in pressure generate. Waves (or chops), formed by the local wind, are random and, therefore, their action on the shore is negligible on the average.
Source
According to Rhone-Mediterranean and Corsica Water Agency

Halieutic

Updated on 05/03/2019
Définition
Sens commun

Qualifies activities related to fishing in all its forms, professional or recreational, in freshwater or marine areas.

Source
d'après OIEau

Echinoderm

Updated on 04/07/2018
Définition
Sens commun
Marine animal characterized by a fivefold radial symmetry, protected, depending on the species, by calcareous spikes or more or less developed calcite plates. Echinoderms include the starfishes, crinoid (sea daffodil), sea urchins, sea cucumbers and brittle stars. They have tubular "feet" and are able to move (very) slowly.
Source
According to the Ministry of Agriculture and IOWater

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