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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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one publication added to basket [100797]
Taxonomy and species distribution of the genus Manganonema Bussau, 1993 (Nematoda: Monhysterida) Fonseca, G.; Decraemer, W.; Vanreusel, A. (2006). Taxonomy and species distribution of the genus Manganonema Bussau, 1993 (Nematoda: Monhysterida). Cah. Biol. Mar. 47(2): 189-203 In: Cahiers de Biologie Marine. Station Biologique de Roscoff: Paris. ISSN 0007-9723; e-ISSN 2262-3094, meer

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Beschikbaar in	Auteurs
VLIZ: Open access 289384 [ download pdf ]

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Trefwoorden

Geography > Biogeography Identification keys Species diversity Water > Deep water Manganonema Bussau, 1993 [WoRMS]; Xyalidae Chitwood, 1951 [WoRMS] ASW, Brazil [Marine Regions]; ISW, Indian Ocean, West [Marine Regions]; ISW, Kenya [Marine Regions]; PS, Zuidelijke Oceaan [Marine Regions]; PSW, Antarctica [Marine Regions]

Author keywords

biogeography; deep sea; species turnover; pictorial identification key; Xyalidae

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Auteurs		Top
Fonseca, G., meer Decraemer, W., meer Vanreusel, A., meer

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Abstract

Different deep-sea sites are frequently characterized by a high number of species belonging to the same genus. In addition, some deep-sea genera (e.g. Acantholaimus, Monhystera, Halalaimus) seem to be dominant and present world­wide. The genus Manganonema is present in all oceans in low to medium densities « 2%) and, apparently, restricted to the deep sea (600 m and deeper). The present study deals with a revision of the genus Manganonema based upon known species and nine new species, where only 5 were named due to the lack of males (M. media sp. nov., M. pitilica sp. nov., M. robus­tus sp. nov., M. antarctica sp. nov., M. bussauensis sp. nov.). For the species identification, important characters are sum­marized in a pictorial key. The material studied was collected from six different sites: two in the North Atlantic (Europe), two in the Southern Ocean (Antarctic), one in the South-western Atlantic (Brazil), and one in Western Indian Ocean (Kenya). The species distribution suggests a high turnover of species between sites. Only one Manganonema species is recorded from two different sites in the Atlantic Ocean. These results suggest a high degree of endemism of species within the genus.

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