Matches in UGent Biblio for { <https://biblio.ugent.be/publication/1246192#aggregation> ?p ?o. }
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- aggregation classification "A1".
- aggregation creator B291067.
- aggregation creator B291068.
- aggregation creator B291069.
- aggregation creator B291070.
- aggregation creator person.
- aggregation creator person.
- aggregation creator person.
- aggregation date "2009".
- aggregation format "application/pdf".
- aggregation hasFormat 1246192.bibtex.
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- aggregation hasFormat 1246192.doc.
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- aggregation hasFormat 1246192.yaml.
- aggregation isPartOf urn:issn:0025-3162.
- aggregation language "eng".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Earth and Environmental Sciences".
- aggregation title "Trophic specialisation of metazoan meiofauna at the Håkon Mosby Mud Volcano: fatty acid biomarker isotope evidence".
- aggregation abstract "We report the results of a detailed investigation on the trophoecology of two dominant meiofaunal species at the HAyenkon Mosby Mud Volcano (HMMV), a deep-sea cold methane-venting seep. Analyses of fatty acids (FAs) and their stable carbon isotopes were used to determine the importance of chemosynthetic nutritional pathways for the dominant copepod species (morphologically very similar to Tisbe wilsoni) inhabiting the volcano's centre and the abundant nematode Halomonhystera disjuncta from the surrounding microbial mats. The strong dominance of bacterial biomarkers (16:1 omega 7c, 18:1 omega 7c and 16:1 omega 8c) coupled with their individual light carbon isotopes signatures (delta C-13 ranging from -52 to -81aEuro degrees) and the lack of symbiotic relationships with prokaryotes (as revealed by molecular analyses and fluorescent in situ hybridisation) indicated that chemosynthetically derived carbon constitutes the main diet of both species. However, the copepod showed a stronger reliance on the utilisation of methanotrophic bacteria and contained polyunsaturated FAs of bacterial origin (20:5 omega 3 and 22:6 omega 3 with isotope signatures delta C-13 < -80aEuro degrees). Instead, the FA profiles of H. disjuncta suggested that sulphide-oxidising bacteria constituted the main diet of this nematode. Therefore, HMMV can be regarded as a persistent deep-sea cold seep, allowing a chemosynthesis-based trophic specialisation by the dominant meiofaunal species inhabiting its sediments. The present investigation, through the determination of the fatty acid profiles, provides the first evidence for trophic specialisation of meiofauna associated with sub-habitats within a cold seep.".
- aggregation authorList BK574878.
- aggregation endPage "1296".
- aggregation issue "6".
- aggregation startPage "1289".
- aggregation volume "156".
- aggregation aggregates 1246193.
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- aggregation similarTo s00227-009-1170-9.
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