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Publikation: Dissertationsschrift
Lessepsian migrant fish species of the coastal waters of Libya
Grunddaten
Abstract
Autoren
Einrichtung
Grunddaten
Titel
Lessepsian migrant fish species of the coastal waters of Libya
Untertitel
status, biology, ecology
Erscheinungsjahr
2008
Publikationsform
Elektronische Ressource
Publikationsart
Dissertationsschrift
Sprache
Englisch
Letzte Änderung
19.03.2013 10:46:58
Bearbeitungsstatus
durch UB Rostock abschließend validiert
Dauerhafte URL
http://purl.uni-rostock.de/fodb/pub/37347
Links zu Katalogen
Abstract
Sixteen Lessepsian fish species, representing 14 families, have been found recently in Libya. Ca. 50% of them were found all along the Libyan coast, 12.5% in the east and central regions, and 37.5% were restricted to the eastern part. All occur in the coastal area (1-50 m depth). More than 37% are of commercial value, especially Rabbitfish (Siganus spp.), which was studied intensely. Siganus luridus and S. rivulatus differ in niche characteristics as spawning time (S. luridus covered three months May-July and only two months June and July for S. rivulatus. Regarding food and feeding, Phaeophyceae and Chlorophyceae are more frequent for S. luridus, whereas for S. rivulatus the most frequent food category was Chlorophyceae. The age and growth were studied. Genetically, the results indicated high haplotypes diversity (Hd) and low nucleotide diversity (p), in all populations. The neighbour-joining and network analysis based on two genes revealed no significant phylogeographic structure for both species. These results suggest that both Siganus spp. belong to the same gene pool. Two native Mediterranean cymothoid species caught attached to the first record on Siganus spp.
Autor
Shakman, Esmaile A. M.
Einrichtung
MNF/Institut für Biowissenschaften (IfBI)