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dc.contributor.authorKnox, Matthew Andrew
dc.contributor.authorHogg, Ian D.
dc.contributor.authorPilditch, Conrad A.
dc.contributor.authorLörz, Anne-Nina
dc.contributor.authorNodder, Scott D.
dc.identifier.citationKnox, M.A., Hogg, I.D., Pilditch, C.A., Lörz, A.-N. & Nodder, S.D. (2012). Abundance and diversity of epibenthicamphipods (Crustacea) from contrasting bathyal habitats. Deep Sea Research Part I: Oceanographic Research Papers, 62, 1-9.en_NZ
dc.description.abstractTo investigate relationships between epibenthic macrofauna and bathyal habitat characteristics, we examined the abundance, diversity and community composition of amphipod crustaceans relative to environmental variables on two major bathymetric features of New Zealand – the Chatham Rise and Challenger Plateau. An epibenthic (Brenke) sledge was used to sample depths ranging from 200 to 1200 m. Fifteen stations were sampled on the Chatham Rise, which is an extensive submarine ridge, east of New Zealand, characterised by high productivity in surface waters, associated with the Subtropical Front. Five stations were sampled on the Challenger Plateau, west of New Zealand, a region with a similar depth range, but less topographical relief and lower pelagic productivity relative to the Chatham Rise. Over 12,500 amphipods were recovered and identified. We found high abundance (range: 44–2074 individuals 1000 m−2) and taxonomic richness (27 families) in both regions. Amphipod assemblages at all stations were largely dominated by the same families, particularly the Phoxocephalidae. Chatham Rise stations were mostly similar in family composition to one another and to the two closest Challenger Plateau stations. However, the remaining three, more distal, western Challenger Plateau stations were highly differentiated from other stations and from one another, despite being relatively similar habitats. Overall, amphipod community composition correlated most strongly with surface chlorophyll a, suggesting strong benthic–pelagic coupling and emphasising the importance of benthic–pelagic links in bathyal ecosystems.en_NZ
dc.relation.ispartofDeep Sea Research Part I: Oceanographic Research Papers
dc.subjectChallenger Plateauen_NZ
dc.subjectChatham Riseen_NZ
dc.subjectcommunity compositionen_NZ
dc.subjectNew Zealanden_NZ
dc.subjectSubtropical Fronten_NZ
dc.titleAbundance and diversity of epibenthic amphipods (Crustacea) from contrasting bathyal habitatsen_NZ
dc.typeJournal Articleen_NZ
dc.relation.isPartOfDeep-Sea Research 1en_NZ

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