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Influence of surface texture and microhabitat heterogeneity in structuring nodule faunal communities ArchiMer
Veillette, J; Juniper, S; Gooday, A; Sarrazin, Jozee.
Manganese nodules provide an important habitat for sessile benthic organisms, many of them novel foraminifera, in the abyssal Pacific. The surface texture and microhabitat heterogeneity of nodules may play a significant role in structuring these communities. We analyzed the distribution of foraminiferal species on 20 nodules collected using either a USNEL box corer or the Nautile submersible sampling tool at a 5000-m-deep site in the Tropical North Pacific. The nodules had an upper region characterized by two microhabitats, namely raised surfaces and intervening depressed surfaces. The more or less vertical sides of the nodules were regarded as a third microhabitat. The upper region had a predominantly smooth texture while the sides had a rough texture. We...
Tipo: Text Palavras-chave: Current flow; Microhabitats; Surface texture; Agglutinated foraminifera; Epifauna; Ferromanganese nodules.
Ano: 2007 URL:
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