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03.06.2016 - 20:35 Nadjib Benayad Jijel / Algérie

Date of observation: 
03.06.2016
Name of location or dive site: 
Jijel / Algérie
Current: 
none
Visibility: 
clear water
Water Temperature: 
18℃
Observation Depth: 
32.00(m)
Maximum Dive Depth: 
34(m)
Horizontal extent of the habitat: 
10-20 m
Orientation: 
SW
Water temperature at predefined depths: 
Temperature: 
20.00℃
Meters: 
34.00(m)
Habitat continuity: 
Continuous
Slope: 
vertical
Rugosity: 
Small
Other observations : 

j'ai remarqué une absence inhabituel des mérous, corbe et cigale.

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 (Limited)
Fishing gear (Absent)
Litter (Absent)
Anchoring (Absent)
Urban waste sources nearby (Absent)
Other
Coralligenοus Organisms: 
Eunicella singularis (Very abundant)
Paramuricea clavata (Abundant)
Anthias anthias (Scarce)
Epinephelus marginatus (Absent)
Scorpaena spp. (Scarce)
Centrostephanus longispinus (Scarce)
Other sea urchins (Scarce)
Image: 
Calcareous red algae (Absent)
Myriapora truncata (Scarce)
Other erect bryozoans (Absent)
Scleractinians (Scarce)
Cliona spp. (Scarce)
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,