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19.09.2017 - 13:09 Laure TVA Punta Revellata, Calvi, France

Date of observation: 
19.09.2017
Name of location or dive site: 
Punta Revellata, Calvi, France
Current: 
none
Visibility: 
clear water
Water Temperature: 
22℃
Vertical extent of the habitat: 
Min

23

(m)
Max

30

(m)
Observation Depth: 
27.00(m)
Maximum Dive Depth: 
30(m)
Horizontal extent of the habitat: 
5-10 m
Orientation: 
NW
Water temperature at predefined depths: 
Temperature: 
22.40℃
Meters: 
27.00(m)
Habitat continuity: 
Discontinuous
Slope: 
overhanging
Rugosity: 
Medium
Other observations : 

surface coralligène située dans une faille large d'environ 2-3 m

observation faite avec les élèves de Alain Noro à Stareso. 
L'observation correspond à celle d'Alexia. 
Le protocole initialement appliqué était le COARSE mais en seulement 7 minutes je n'ai fait que le 1er réplicat du COARSE. slope 130°. penetration environ 2mm. destructeurs : rien. Eunicella cavolini max : 18,5 cm. Axinella polypoides 12,5 cm. 

 

 

 

 

 

 

Pressures and Threats: 
Non-indigenous species: Caulerpa cylindracea (Limited)
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 (Absent)
Litter (Absent)
Anchoring (Absent)
Urban waste sources nearby (Absent)
Other
Coralligenοus Organisms: 
Eunicella cavolini (Scarce)
Eunicella singularis (Absent)
Paramuricea clavata (Absent)
Leptogorgia sarmentosa (Absent)
Savalia savaglia (Absent)
Shark eggs (Absent)
Anthias anthias (Absent)
Epinephelus marginatus (Absent)
Scorpaena spp. (Absent)
Centrostephanus longispinus (Absent)
Other sea urchins (Absent)
Calcareous red algae (Scarce)
Peyssonnelia spp. (Scarce)
Axinella spp. (Scarce)
Cliona spp. (Absent)
Corallium rubrum (Absent)
Homarus gammarus (Absent)
Palinurus elephas (Absent)
Scyllarides latus (Absent)
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,