Modelling life history strategies with capture-recapture data: Evolutionary demography of the water skink Eulamprus tympanum

Blomberg, S. P. and Shine, R. (2001) Modelling life history strategies with capture-recapture data: Evolutionary demography of the water skink Eulamprus tympanum. Austral Ecology, 26 4: 349-359. doi:10.1046/j.1442-9993.2001.01120.x


Author Blomberg, S. P.
Shine, R.
Title Modelling life history strategies with capture-recapture data: Evolutionary demography of the water skink Eulamprus tympanum
Journal name Austral Ecology   Check publisher's open access policy
ISSN 1442-9985
Publication date 2001-01-01
Sub-type Article (original research)
DOI 10.1046/j.1442-9993.2001.01120.x
Volume 26
Issue 4
Start page 349
End page 359
Total pages 11
Language eng
Abstract Matrix population models, elasticity analysis and loop analysis can potentially provide powerful techniques for the analysis of life histories. Data from a capture-recapture study on a population of southern highland water skinks (Eulamprus tympanum) were used to construct a matrix population model. Errors in elasticities were calculated by using the parametric bootstrap technique. Elasticity and loop analyses were then conducted to identify the life history stages most important to fitness. The same techniques were used to investigate the relative importance of fast versus slow growth, and rapid versus delayed reproduction. Mature water skinks were long-lived, but there was high immature mortality. The most sensitive life history stage was the subadult stage. It is suggested that life history evolution in E. tympanum may be strongly affected by predation, particularly by birds. Because our population declined over the study, slow growth and delayed reproduction were the optimal life history strategies over this period. Although the techniques of evolutionary demography provide a powerful approach for the analysis of life histories, there are formidable logistical obstacles in gathering enough high-quality data for robust estimates of the critical parameters.
Keyword Ecology
Elasticity
Eulamprus Tympanum
Evolution
Life History
Lizard
Loop
Mark-recapture Analysis
Maximum Likelihood
Population Matrix
Population Projection Matrices
Reproductive Effort
Trade-offs
Viviparous Skink
Energy Stores
Category Size
Loop Analysis
Long-term
Lizards
Costs
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Biological Sciences Publications
Ecology Centre Publications
 
Versions
Version Filter Type
Citation counts: TR Web of Science Citation Count  Cited 17 times in Thomson Reuters Web of Science Article | Citations
Google Scholar Search Google Scholar
Created: Mon, 13 Aug 2007, 22:28:36 EST