The Herpetological Journal
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.
ISSN 0268-0130
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pdf 04. Growth in the smooth newt (Triturus vulgaris) during the aquatic phase of the annual cycle
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pp.137-140
Authors: Paul A. Verrell
Abstract: Growth during the aquatic phase of the annual cycle (measured as change in snout-vent length) was investigated in a natural population of smooth newts (Triturus vu!garis) at a pond in southern England in 1 983. Two types of data were collected: growth at the population level (quantified as changes in mean snout-vent length) and growth in individual, recaptured newts. For the population as a whole, significant growth was detected during the aquatic phase. At the level of individual newts, rate of growth during this period was negatively correlated with snout-vent length at entry to the pond; such a relationship is common in the Amphibia. The average growth rate of adult newts observed during the present field study (1.1-1.5mm) agrees closely with an independent estimate (about 1.5mm) obtained during a previous, skeletochronological investigation (Verrell and Francillon, 1986).
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