31.08.2020 - 20:29 ccecilem@yahoo.fr Le Chaouen | CIGESMED pour les plongeurs

Date de l'observation:

24.07.2020

Nom de la localité ou du site de plongée:

Le Chaouen

Visibilité:

some suspended particles

Température de l'eau:

21℃

Profondeur de l'observation:

21.00(m)

Profondeur maximale atteinte lors de la plongée:

33(m)

Etendue horizontale du concrétionnement coralligène observé:

more than 20 m

Orientation:

S

Profondeur de la thermocline:

26.00(m)

Continuité de l'habitat:

Discontinu

Pente:

Inclinée

Rugosité:

Moyenne

Pressions et menaces:

Non-indigenous species: Caulerpa cylindracea (Absent)

Non-indigenous species: Asparagopsis spp. (Absent)

Mucilaginous aggregations (Absent)

Organism necrosis and mortality events (Absent)

Sedimentation on coralligenous biota (Absent)

Diver recklessness (Absent)

Fishing gear (Limited)

Litter (Absent)

Anchoring (Absent)

Urban waste sources nearby (Absent)

Other (Absent)

Organismes du coralligène:

Calcareous red algae (Absent)

Peyssonnelia spp. (Absent)

Agelas oroides (Absent)

Axinella spp. (Absent)

Cliona spp. (Absent)

Eunicella cavolini (Absent)

Eunicella singularis (Scarce)

Paramuricea clavata (Abundant)

Leptogorgia sarmentosa (Absent)

Savalia savaglia (Absent)

Scleractinians (Absent)

Corallium rubrum (Absent)

Homarus gammarus (Absent)

Palinurus elephas (Absent)

Scyllarides latus (Absent)

Myriapora truncata (Absent)

Other erect bryozoans (Absent)

Centrostephanus longispinus (Absent)

Other sea urchins (Absent)

Anthias anthias (Absent)

Epinephelus marginatus (Absent)

Scorpaena spp. (Absent)

Shark eggs (Absent)

https://cs.cigesmed.eu/sites/default/files/web_axinella_issaris_01.jpg,https://cs.cigesmed.eu/sites/default/files/web_axinella_issaris_05.jpg,https://cs.cigesmed.eu/sites/default/files/web_eunicella-cavolinii_issaris_01.jpg,https://cs.cigesmed.eu/sites/default/files/web_general_issaris_02.jpg,