2026-09-25T11:35:35Zhttps://mro.massey.ac.nz/server/oai/requestoai:mro.massey.ac.nz:10179/16562025-11-11T14:06:42Zcom_10179_294col_10179_296
DSpace at Massey University
author
Fitness, Josephine
2010-09-16T03:24:36Z
NO_RESTRICTION2010-09-16T03:24:36Z
2010
http://hdl.handle.net/10179/1656
Q112883272
https://www.wikidata.org/wiki/Q112883272
The purpose of this study was to use molecular techniques and morphological measurements to set out to find whether a hybrid zone exists between two coastal populations of the common gecko (Hoplodactylus maculatus), on the Wellington south coast. I collected geckos from five sites in a coastal transect from the population of small geckos to the large geckos. Using four genetic loci, one mitochondrial (16S) and three nuclear (Rag-1, Rag-2, C-mos), I was able to determine that the coastal populations do have geneflow, however each population maintains some unique alleles. Morphological evidence reveals a significant difference in gecko sizes from Turakirae Head and those caught at Ocean Beach, separated by just 15 km. Adult geckos at Turakirae Head are on average 10mm smaller (snout-to-vent) than adult geckos at Ocean Beach, representing almost a doubling in average weight. The centre of the steep frequency clines of four characters is coincident and the widths are concordant. The narrower morphological clines indicate stronger selection on the size of the gecko, than on genetic loci.
en
The Author
Geckos
Hybridisation
New Zealand
Wellington geckos meet Wairarapa geckos : hybridisation between two genetically and morphologically distinct populations of the New Zealand common gecko complex (Hoplodactylus maculatus) : a thesis presented in partial fulfilment of the requirements for the degree of Masters of Science in Zoology at Massey University, Palmerston North, New Zealand
Thesis
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