The British Herpetological Society

The Herpetological Journal is the Society's prestigious quarterly scientific journal. Articles are listed in Biological Abstracts, Current Awareness in Biological Sciences,Current Contents, Science Citation Index, and Zoological Record.

The 2017/18  impact factor of The Herpetological Journal is 1.268

ISSN 0268-0130


pdf 04. Geographic variation in body size and life history traits in Bosca's newt (Triturus boscai)

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pp.21-27

Authors: C. Diaz-paniagua And J. A. Mateo

Abstract: Body size of newts from five populations of Triturus boscai was measured and the age of the newts was estimated using skeletochronology. Variation in adult body size was observed throughout the range of the species, with largest individuals of the southernmost populations being smaller than the smallest adults of the northern localities. Sexual dimorphism in body size was detected in all populations studied. A tendency towards older mean ages was also observed from southern to northern populations. The age of youngest breeders, modal age at which growth slows, and mode of the age structure showed geographic variation, with the greatest differences in life-history traits being between northernmost and southernmost populations, survival being optimized in the north by delaying either the age of maximum reproductive output or sexual maturity. The variation observed may have been due to evolutionary changes, though more extensive information on genetic and morphological interpopulational differences is needed to support a taxonomic differentiation.

Keywords: geographical variation, newt, life history, Triturus boscai

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IMPORTANT NOTE - JUNE 2020

Please note that as from Volume 31 Number 1 (January 2021) on, the Herpetological Journal will be available as an online publication only - the last print edition will be Volume 30 Number 4.   

Aligning with this change, it is now no longer possible to purchase a subscription that includes a print copy of the HJ.  All members who have existing HJ print subscriptions that remain active as at end June 2020 will receive the full four 2020 print editions.  New subscribers or renewals after this time will only have option to subscribe to the online only subscription package.  Subscription pricing has been amended to reflect the content changes.