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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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Global hydrothermal primary production rate estimated from the southern East Pacific Rise Maruyama, A.; Urabe, T.; Ishibashi, J.; Feely, R.A.; Baker, E.T. (1998). Global hydrothermal primary production rate estimated from the southern East Pacific Rise. Cah. Biol. Mar. 39(3-4): 249-252. https://dx.doi.org/10.21411/CBM.A.EC0E1360 In: Cahiers de Biologie Marine. Station Biologique de Roscoff: Paris. ISSN 0007-9723; e-ISSN 2262-3094, meer Ook verschenen in: (1998). Proceedings of the First International Symposium on Deep-Sea Hydrothermal Vent Biology: Funchal, Madeira, Portugal 20-24 October 1997. Cahiers de Biologie Marine, 39(3-4). Station Biologique de Roscoff: Roscoff. 219-392 pp., meer

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Maruyama, A. Urabe, T. Ishibashi, J.	Feely, R.A. Baker, E.T.

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Abstract

To date, the deep-sea hydrothermal ecosystem is thought to reach 100 to 100,000 times more in animal biomass than that of ambient deep-sea; e.g., 2 to 8.5 kg wet weight m super(-2), as the standing stock of benthic macrofauna around hydrothermal vents on the northern East Pacific Rise (Gage & Tyler, 1991), compared to 0.01 to 100 g wet weight m super(-2) in the general deep-sea at depths between 1000 to 3000 m. (Rowe, 1983). Although a considerable number of benthic animals in hydrothermal regions, such as a tube-worm Riftia pachyptila Jones, 1981 and large-sized bivalves Calyptogena magnifica Boss & Turner, 1980 and Bathymodiolus thermophilus Kenk & Wilson, 1985 are known to have developed symbiotic relationships with chemoautotrophic bacteria (Gage & Tyler, 1991), free-living microorganisms must also be important as a potential food source for many suspension-feeding zooplankton and benthic animals. The southern East Pacific Rise (S-EPR) between 13o40' and 18o40'S is a representative superfast-spreading mid-ocean ridge with a full spreading rate of ca. 15 cm yr super(-1). In 1993 and 1994, we conducted Ridge Flux'93 cruises via the RN Melville, Scripps Institution of Oceanography, and MODE'94 cruises via the R/V Yokosuka, with a manned submersible, Shinkai 6500, Japan Marine Science and Technology Center, for an extensive study of the S-EPR region.

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