- Title
- A tropical/subtropical biogeographic disjunction in southeastern Africa separates two evolutionarily significant units of an estuarine prawn
- Creator
- Teske, Peter R, Winker, A Henning, McQuaid, Christopher D, Barker, Nigel P
- Subject
- To be catalogued
- Date
- 2009
- Type
- text
- Type
- article
- Identifier
- http://hdl.handle.net/10962/445407
- Identifier
- vital:74383
- Identifier
- https://doi.org/10.1007/s00227-009-1168-3
- Description
- Recent phylogeographic research has indicated that biodiversity in the sea may be considerably greater than previously thought. However, the majority of phylogeographic studies on marine invertebrates have exclusively used a single locus (mitochondrial DNA), and it is questionable whether the phylogroups identified can be considered distinct species. We tested whether the mtDNA phylogroups of the southern African sandprawn Callianassa kraussi Stebbing (Decapoda: Thalassinidea) are also recovered using nuclear sequence data. Four mtDNA phylogroups were recovered that were each associated with one of South Africa’s four major biogeographic provinces. Three of these were poorly differentiated, but the fourth (tropical) group was highly distinct. The nuclear phylogeny recovered two major clades, one present in the tropical region and the other in the remainder of South Africa. Congruence between mitochondrial and nuclear DNA indicates that the species comprises two Evolutionarily Significant Units sensu Moritz (1994). In conjunction with physiological data from C. kraussi and morphological, ecological and physiological data from other species, this result supports the notion that at least some of the mtDNA phylogroups of coastal invertebrates whose distributions are limited.
- Format
- 11 pages, pdf
- Language
- English
- Relation
- Marine Biology, Teske, P.R., Winker, H., McQuaid, C.D. and Barker, N.P., 2009. A tropical/subtropical biogeographic disjunction in southeastern Africa separates two evolutionarily significant units of an estuarine prawn. Marine Biology, 156(6), pp.1265-1275, Marine Biology volume 156 number 6 1265 1275 2009 1432-1793
- Rights
- Publisher
- Rights
- Use of this resource is governed by the terms and conditions of the Springer Terms of Use Statement (https://link.springer.com/termsandconditions)
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Teske, Peter R (Prof)
Barker, Nigel Paul (Dr)
McQuaid, Christopher D (Distinguished Professor)
RU DST/NRF SARChI for Marine Ecosystems and Resources
RU Department of Ichthyology and Fisheries Science
RU Department of Botany
SDG 14. Life Below Water
SDG 15. Life On Land
RU Department of Zoology and Entomology
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