Dataset Open access January 2020

Feeding biology of two common habitat-forming octocorals in the Azores Archipelago

PANGAEA

10.1594/PANGAEA.913184

Open DOI

Total authors

7

Involved team members

2

Citations

0

References

0

Related to this work

ATLAS

iAtlantic

Abstract

Coral gardens are considered to be hotspots of biodiversity and ecosystem functioning, due to the important structural and biogeochemical role of cold-water coral (CWC) species. Despite an increase in studies on deep reef-forming species, information on cold-water octocoral species is still very scarce. The present study focused on the feeding biology of two habitat-forming octocoral species typically encountered in seamounts in the Azores between 200 and 600m of depth: Dentomuricea aff. meteor and Viminella flagellum. We used an experimental approach aiming at determining the ability of the species to utilize different food sources including live phytoplankton (the diatom Chaetoceros calcitrans), Dissolved Organic Carbon (DOC) and live zooplankton (the rotifer Branchionus plicatilis). Food sources were isotopically enriched with tracers (13C, 15N) which allowed to trace the ingested food in different physiological processes, such as tissue incorporation, Dissolved Inorganic Carbon (DIC) respiration and excretion of Particulate Organic Carbon (POC) and Particulate Organic Nitrogen (PON).

Authors

2 involved team members

R

Rakka, Maria

0000-0002-8179-242X

M

Maier, Sandra R

0000-0001-9728-0771

V

Van Oevelen, Dick

0000-0002-1740-5317

B

Bilan, Meri

Godinho, António Team member

O

Orejas, Covadonga

0000-0002-2580-1002

Carreiro-Silva, Marina Team member

0000-0001-6446-6342

Record details

Type

dataset

Language

EN

Keywords

Biology Zooplankton Diatom Phytoplankton Ecology Plankton Ecosystem Coral Particulate organic carbon Biogeochemical cycle Coral reef Subarctic climate Food web Oceanography Total organic carbon Chaetoceros Biodiversity Environmental science Trichodesmium Water column Scleractinia Pelagic zone Copepod Common species Aquatic ecosystem Marine ecosystem Archipelago Particulates Upwelling Guano Mesocosm Chlorophyll a Food chain

Related DOI items

Linked from other DOI items

Contrasting metabolic strategies of two co-occurring deep-sea octocorals

Publication · 2021

Publication