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Submarine figures made by leaking gases (Natura 2000 code 1180)

by Johnny Reker

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Seaanemones on a submarine structure made by leaking gases by Karsten Dahl
 
Submarine structure made by leaking gases by Dan Kaasby
 
Submarine structure made by leaking gases and diver by Dan Kaasby
 
Gas bobles  by Jan  Nicolaisen, Orbicon
 
Submarine structure made by leaking gas by Jan  Nicolaisen, Orbicon
 
Cancer pagurus hiding within a submarine structure made by leaking gas (Taskekrabbe) by Jan  Nicolaisen, Orbicon
 
Submarine structure made by leaking gas under physical threat from wires by Jan  Nicolaisen, Orbicon
 
2 boblerev-søjle
 
Submarine structure made by leaking gas - high pillar by Jan  Nicolaisen, Orbicon
 

Description: The "Interpretation Manual of European Union Habitats", Oct. 1999 defines submarine structures made by leaking gases as: "Spectacular submarine complex structures, consisting of rock, pavements and pillars up to 4m high. These formations are due to the aggregation of sandstone by a carbonate cement resulting from microbial oxidation of gas emmissions, mainly methane. The methane most likely originated from the microbial decomposition of fossil plant materials. The formations are interspersed with gas ventsthat intermittenly release gas. These formations shelter a highly diversified ecosystem with brightly coloured species."

The structures are unique for the Kattegat and are, as far as we know, not found anywhere else in the world.
Copyright: Johnny Reker