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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 [57743] |
Morphological and genetic characteristics of erect subtidal species of Alcyonidium (Ctenostomata: Bryozoa)
In: Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Cambridge. ISSN 0025-3154; e-ISSN 1469-7769, meer
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| Abstract |
The ctenostome bryozoan Alcyonidium diaphanum is widespread and abundant in the coastal waters of the British Isles. During the Centre for Environment, Fisheries and Aquaculture Science groundfish surveys some atypical colonies were found and subsequent histological and genetic analyses have shown that these represent two previously undescribed species of erect subtidal Alcyonidium They are described here fully and named Alcyonidium condylocinereum and Alcyonidium hydrocoalitum. Comparisons with further museum specimens of erect Alcyonidium species have shown that A. proliferans, A. topsenti and A. gelatinosum form lacourti can be synonymized with A. diaphanum. The northern and southern limits of A. diaphanum are here more clearly defined; however, the identities of Arctic erect Alcyonidiumspecies have yet to be fully investigated using histological and genetic methodologies. It is clear from this study that gross colony morphology is not a good indicator of species identity, but that tentacle number and reproductive mode can be useful taxonomic characteristics in these species. |
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