European Directory of Marine Environmental Data (EDMED)

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General
Data set name

Macrobenthic community structure in relation to geochemistry at shallow water hydrothermal vent sites (1993 -1994)

Data holding centreHellenic Centre for Marine Research, Institute of Oceanography
CountryGreece  Greece
Time periodJuly and October 1993, March and October 1994
OngoingNo
Geographical area

Aegean Sea, Greece: Milos, Gulf of Naples, Italy: Grotta Azzurra cave

Observations 
Parameters

Chlorophyll pigment concentrations in sediment; Sediment grain size parameters; Dissolved organic carbon concentrations in sediment pore waters; Concentration of proteins in sediment; Zoobenthos taxonomic abundance; Zoobenthos taxonomy-related wet weight biomass per unit area of the bed

Instruments

Sediment grabs; unconsolidated sediment corers

Description 
Summary

The benthic communities of shallow water hydrothermal vents at the south coast of Milos (Greece) and at the Grotta Azzurra cave, which is influenced by sulphur water springs, were studied in detail. Gradients of reducing diversity abundance and biomass were observed from areas away from the influence of hydrothermal activity towards areas within the hydrothermal influence at Milos sediments. On the other hand, no decreasing inward gradients in macrofauna abundance and diversity were observed along Grotta Azzurra cave, due to the food inputs by chemosynthetic bacteria in the inner part of the cave.

OriginatorsHellenic Centre for Marine Research, Institute of Marine Biology, Biotechnology & Aquaculture (HCMR/IMBBC)
Availability 
OrganisationHellenic Centre for Marine Research, Institute of Oceanography
AvailabilityBy negotiation
ContactDr I. Akoumianaki
Address

Hellenic Centre for Marine Research, Institute of Oceanography
46.7 km Athinon-Souniou Av. P.O.Box 712
Anavyssos

19013
Greece

Telephone+30-22910-76452
Facsimile+30-22910-76347
Emailvlikou@hcmr.gr
Administration 
Collating centreHellenic Centre for Marine Research, Hellenic National Oceanographic Data Centre
Local identifier6010027
Global identifier1261
Last revised2015-07-20