Shoreline

Concavity in the coastline, usually widely open to the sea and with an order of magnitude of tens of kilometres. Beyond this order of magnitude, the term "Gulf" is used in the French language.

All activities related to marine plant cultivation and breeding of marine animals. The words "aquiculture" and even "mariculture" once used are regarded as obsolete synonyms. We distinguish inland aquaculture, which means all fish farming activities in freshwater and marine aquaculture, which means all sea farming activities in sea water. There are four types: shellfish culture (shellfish breeding)), pisciculture (fish farming), the breeding of crustaceans and seaweed (algae culture).

Designates a remarkable object situated on or near the shoreline and which sailors use to determine their position at sea.

Phenomenon whereby the ocean waters are pushed to the coast, usually because of strong winds, and accumulate in a cove in the shoreline, causing an exceptional rise of sea level.

Fishing carried out by vessels that are absent for more than 96 hours and do not belong to the deep-sea fishery (vessels likely to be absent more than 20 days from their home base).

Traditional breeding of oysters.

Part of the shoreline exposed at low tide and covered at high tide.

Traditional shellfish farming, mainly oysters (oyster farming) and mussels (mussel breeding).