A shallow-water whale-fall experiment in the north Atlantic

Dahlgren, Thomas G., 1963 (author): Gothenburg University,Göteborgs universitet,Zoologiska institutionen,Department of Zoology

Wiklund, Helena, 1965 (author): Gothenburg University,Göteborgs universitet,Zoologiska institutionen,Department of Zoology

Källström, Björn, 1970 (author): Gothenburg University,Göteborgs universitet,Institutionen för marin ekologi,Department of Marine Ecology

Lundälv, Tomas, 1944 (author): Gothenburg University,Göteborgs universitet,Institutionen för marin ekologi,Department of Marine Ecology

Smith, C. R. (author)

Glover, A. G. (author)

(creator_code:org_t)

Abstract Subject headings

The study of hydrothermal vent and seep fauna is associated with great costs due to the deep and distant locations. Whale-falls, which are thought to have habitat conditions which overlap seep ecosystems, may be used as a model system to explore questions such as the evolution of dispersal strategies and interactions between hosts and their symbiont microbes. Our discovery of whale-fall fauna at a whale carcass sunk at shelf depth in a Swedish fjord contrasts the apparent lack of specialized organisms from shallow water seep environments. Representatives of a whale-fall fauna found at the Swedish study site include bacterial mat feeding dorvilleid annelids and the whale-bone eating pogonophoran worm Osedax mucofloris Glover et al., 2005. We are maintaining whale-fall fauna alive in aquaria, and initial results from these studies suggest that O. mucofloris has a continuous reproduction life-history strategy.

By the author/editor: Dahlgren, Thomas ...; Wiklund, Helena, ...; Källström, Björn ...; Lundälv, Tomas, ...; Smith, C. R.; Glover, A. G.

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