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18.11.2017 - 08:41 GABRIEL CREHAN Imperial du mileu dans la Calanques de Marseilles

Gözlem tarihi: 
17.07.2017
Konumun yada dalış noktasının adı: 
Imperial du mileu dans la Calanques de Marseilles
Akıntı: 
weak
Berraklık: 
some suspended particles
Su sıcaklığı: 
15℃
Derinlik aralığı: 
Min

20

(m)
Max

30

(m)
Gözlem derinliği: 
20.00(m)
Dalışın maksimum derinliği : 
30(m)
Gözlemlenen korallijenli formasyonların yatay boyutu: 
more than 20 m
Yön: 
E
Önceden tanımlanmış derinliğin su sıcaklığı: 
Santigrat derece (℃): 
14.00℃
Meters: 
20.00(m)
Habitat sürekliliği: 
İzole öbekler
Eğim: 
Yatay
Pürüzlülük (Rugosite): 
Küçük
Other observations : 

Difficile de plonger avec ma plaquette en mousse plastifiée.

Pendant les observations c'est très bien.

En revanche, à la maison c'est difficle à nettoyer - les marquages du crayon ne s'effacent pas completment. Il reste des traces pour la prochaine plongée. En conséquences des incertitudes à l'observation.....

 

Sinon, c'est ma premiere observation et je suis très content !!!

Pressures and Threats: 
Non-indigenous species: Caulerpa cylindracea (Absent)
Non-indigenous species: Asparagopsis spp. (Limited)
Mucilaginous aggregations (Extended)
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 (Absent)
Coralligenοus Organisms: 
Eunicella cavolini (Very abundant)
Eunicella singularis (Scarce)
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 (Absent)
Peyssonnelia spp. (Absent)
Agelas oroides (Absent)
Axinella spp. (Absent)
Myriapora truncata (Absent)
Other erect bryozoans (Absent)
Scleractinians (Absent)
Cliona spp. (Absent)
Corallium rubrum (Absent)
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,