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09.04.2017 - 16:52 Laure TVA Impérial du large - Nord

Date of observation: 
09.04.2017
Name of location or dive site: 
Impérial du large - Nord
Current: 
none
Visibility: 
clear water
Vertical extent of the habitat: 
Min

20

(m)
Max

24

(m)
Observation Depth: 
22.00(m)
Maximum Dive Depth: 
56(m)
Horizontal extent of the habitat: 
more than 20 m
Orientation: 
NW
Water temperature at predefined depths: 
Temperature: 
15.00℃
Meters: 
22.00(m)
Habitat continuity: 
Continuous
Slope: 
vertical
Rugosity: 
Large
Other observations : 

Coralligène : Tombant de gorgones rouges (forte densité) sur rhodophytes calcaires (forte dentisté aussi). 

Alentours : Très poissoneux. Bancs de sardines. Thon. 

 

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: 
Paramuricea clavata (Very abundant)
Leptogorgia sarmentosa (Absent)
Savalia savaglia (Absent)
Shark eggs (Absent)
Anthias anthias (Abundant)
Epinephelus marginatus (Scarce)
Scorpaena spp. (Abundant)
Other sea urchins (Scarce)
Calcareous red algae (Abundant)
Peyssonnelia spp. (Abundant)
Axinella spp. (Scarce)
Myriapora truncata (Scarce)
Other erect bryozoans (Abundant)
Palinurus elephas (Abundant)
http://cs.cigesmed.eu/sites/default/files/web_axinella_issaris_01.jpg,http://cs.cigesmed.eu/sites/default/files/web_axinella_issaris_05.jpg,http://cs.cigesmed.eu/sites/default/files/web_eunicella-cavolinii_issaris_01.jpg,http://cs.cigesmed.eu/sites/default/files/web_general_issaris_02.jpg,