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19.02.2016 - 22:37 cathy Tiboulen de Frioul. Est de l'ilot

Date of observation: 
15.02.2016
Name of location or dive site: 
Tiboulen de Frioul. Est de l'ilot
Current: 
none
Visibility: 
clear water
Water Temperature: 
13℃
Vertical extent of the habitat: 
Min

22

(m)
Max

25

(m)
Observation Depth: 
25.00(m)
Maximum Dive Depth: 
25(m)
Orientation: 
E
Water temperature at predefined depths: 
Temperature: 
13.00℃
Meters: 
25.00(m)
Habitat continuity: 
Continuous
Slope: 
sloping
Rugosity: 
Small
Other observations : 

4 belles nacres dont la partie immergée faisait 50 cm.

Poulpe

1 ascidie Noire fumigata

1 ascidie blanche mammillata

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 (Limited)
Diver recklessness (Absent)
Fishing gear (Absent)
Litter (Absent)
Anchoring (Absent)
Urban waste sources nearby (Absent)
Other (Absent)
Coralligenοus Organisms: 
Eunicella cavolini (Abundant)
Eunicella singularis (Absent)
Paramuricea clavata (Absent)
Leptogorgia sarmentosa (Absent)
Savalia savaglia (Absent)
Shark eggs (Absent)
Anthias anthias (Absent)
Epinephelus marginatus (Absent)
Scorpaena spp. (Abundant)
Centrostephanus longispinus (Absent)
Other sea urchins (Scarce)
Calcareous red algae (Very abundant)
Peyssonnelia spp. (Abundant)
Agelas oroides (Scarce)
Axinella spp. (Scarce)
Myriapora truncata (Abundant)
Scleractinians (Abundant)
Cliona spp. (Abundant)
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,