The biennial life strategy in a random environment: Supplement

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In a previous paper we calculated the mean and variance of the long-run geometric growth rate of a discrete-time population model with two age classes in a random environment. The formula which was used in that paper as the starting point for the computation of the variance represents only the contribution of the one-period variances. Here we supplement these results by a calculation of the exact variance. All qualitative conclusions reached before are unaffected.
Original languageEnglish
Pages (from-to)309-319
Number of pages11
JournalJournal of Mathematical Biology
Publication statusPublished - 1989
Externally publishedYes


  • Variance of the geometric growth rate
  • Random matrix products
  • Population biology

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