Fricke, H.; Giere, O.; Stetter, K.; Alfredsson, G. A.; Kristjansson, J. K.; Stoffers, P.; Svavarsson, J. (1989). Hydrothermal vent communities at the shallow subpolar mid-Atlantic ridge. Marine Biology. 102: 425-429.

179334

10.1007/BF00428495 [view]

Fricke, H.; Giere, O.; Stetter, K.; Alfredsson, G. A.; Kristjansson, J. K.; Stoffers, P.; Svavarsson, J.

1989

102: 425-429

Publication

NeMys doc_id: 18001

Available for editors   [request]

A new type of animal community has been found near hot vents in the subpolar Atlantic at 100 to 106 m depth off Kolbeinsey on the Jan-Mayen ridge. Incubation of high temperature fluids yielded cultures of undescribed hyperthermophilic eu- and archaebacteria, growing in a temperature range between 70 ~ and 110 ~ depending on the isolates. Bacteria are closely related to species occurring within deep sea hydrothermal areas. In contrast to deep-sea vent sites of the Mid-Atlantic and other oceans, the Kolbeinsey macroand meiofauna consists of species reported from non-vent areas in the boreal Atlantic and adjacent polar seas. The most abundant forms are a solitary hydroid polyp and two sponges. Kolbeinsey is an isolated and young area of hydrothermal activity at relatively low depth and in highly productive waters; these findings could indicate a model for an early evolutionary step towards the formation of a genuine specialized vent community.

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