03.06.2021 - 17:53 restws_polaris petite calanque | CIGESMED for Divers

Data dell'osservazione:

03.06.2021

Nome della località o del sito d'immersione:

petite calanque

Corrente:

none

Visibilità:

some suspended particles

Temperatura dell'acqua:

18℃

Profondità dell'osservazione:

27.00(m)

Profondità massima dell'immersione:

28(m)

Estensione orizzontale delle concrezioni coralligene osservate:

more than 20 m

Orientamento:

W

Profondità del termoclino:

0.00(m)

Continuità dell'habitat:

Discontinuo

Inclinazione:

Verticale

Rugosità:

Grande

Pressures and Threats:

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 (Limited)

Other (Absent)

Coralligenοus Organisms:

Eunicella cavolini (Abundant)

Eunicella singularis (Very abundant)

Paramuricea clavata (Absent)

Leptogorgia sarmentosa (Scarce)

Savalia savaglia (Absent)

Shark eggs (Absent)

Anthias anthias (Absent)

Epinephelus marginatus (Absent)

Scorpaena spp. (Absent)

Centrostephanus longispinus (Absent)

Other sea urchins (Abundant)

Calcareous red algae (Abundant)

Peyssonnelia spp. (Absent)

Agelas oroides (Absent)

Axinella spp. (Absent)

Myriapora truncata (Abundant)

Other erect bryozoans (Scarce)

Scleractinians (Absent)

Cliona spp. (Absent)

Corallium rubrum (Scarce)

Homarus gammarus (Absent)

Palinurus elephas (Absent)

Scyllarides latus (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,