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26.05.2017 - 11:30 Laura B Impérial du Milieu

Date of observation: 
25.05.2017
Name of location or dive site: 
Impérial du Milieu
Current: 
weak
Visibility: 
clear water
Water Temperature: 
15℃
Vertical extent of the habitat: 
Min

10

(m)
Max

35

(m)
Observation Depth: 
30.00(m)
Maximum Dive Depth: 
35(m)
Horizontal extent of the habitat: 
10-20 m
Thermocline's Depth: 
7.00(m)
Water temperature at predefined depths: 
Temperature: 
15.00℃
Meters: 
30.00(m)
Habitat continuity: 
Continuous
Slope: 
vertical
Rugosity: 
Small
Other observations : 

Observation faite par Jean SIMON Septentrion Environnement

Pressures and Threats: 
Non-indigenous species: Caulerpa cylindracea (Absent)
Non-indigenous species: Asparagopsis spp. (Extended)
Mucilaginous aggregations (Absent)
Organism necrosis and mortality events (Limited)
Sedimentation on coralligenous biota (Absent)
Diver recklessness (Absent)
Fishing gear (Limited)
Litter (Absent)
Anchoring (Absent)
Urban waste sources nearby (Absent)
Other
Coralligenοus Organisms: 
Eunicella cavolini (Scarce)
Eunicella singularis (Absent)
Paramuricea clavata (Abundant)
Leptogorgia sarmentosa (Absent)
Savalia savaglia (Absent)
Shark eggs (Absent)
Anthias anthias (Very abundant)
Epinephelus marginatus (Absent)
Scorpaena spp. (Absent)
Centrostephanus longispinus (Absent)
Other sea urchins (Absent)
Calcareous red algae (Very abundant)
Peyssonnelia spp. (Very abundant)
Agelas oroides (Absent)
Axinella spp. (Abundant)
Myriapora truncata (Absent)
Other erect bryozoans (Scarce)
Scleractinians (Scarce)
Cliona spp. (Absent)
Corallium rubrum (Absent)
Homarus gammarus (Absent)
Palinurus elephas (Scarce)
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,