Annual variation in reproductive traits in the lizard Acanthodactylus erythrurus

A. M. Castilla, L. J. Barbadillo, D. Bauwens

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

For the oviparous Acanthodactylus erythrurus in C Spain, testes exhibited their maximal volume during April-June and decreased in size throughout the summer. Fat bodies of males were smallest during the spring mating period. Vitellogenesis started in May or June, with oviposition occurring during June-July. Female fat bodies declined in size during the period of yolk deposition. A delay in the timing of reproductive events in one year was associated with adverse weather conditions during early spring. During a "good' year, reproduction was initiated early enough to allow some females to produce a second clutch. Both clutch size and egg size increased with female body length, but did not vary between years. Environmental factors that induced temporal variation in timing of reproduction and clutch frequency did not affect clutch characteristics. -from Authors

Original languageEnglish
Pages (from-to)395-402
Number of pages8
JournalCanadian Journal of Zoology
Volume70
Issue number2
Publication statusPublished - 1992
Externally publishedYes

Fingerprint

reproductive traits
lizard
annual variation
lizards
fat
egg size
vitellogenesis
clutch size
lipids
oviposition
body length
temporal variation
testes
environmental factor
weather
body size
Spain
environmental factors
summer

ASJC Scopus subject areas

  • Animal Science and Zoology

Cite this

Annual variation in reproductive traits in the lizard Acanthodactylus erythrurus. / Castilla, A. M.; Barbadillo, L. J.; Bauwens, D.

In: Canadian Journal of Zoology, Vol. 70, No. 2, 1992, p. 395-402.

Research output: Contribution to journalArticle

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