References that state multiple age classes in a run of salmon can dampen environmental affects.
Hey, these refs might be helpful for you:
Hsieh, C. H., Yamauchi, A., Nakazawa, T., & Wang, W. F. (2010). Fishing effects on age and spatial structures undermine population stability of fishes. Aquatic Sciences, 72(2), 165-178.
Greene, C. M., Hall, J. E., Guilbault, K. R., & Quinn, T. P. (2010). Improved viability of populations with diverse life-history portfolios. Biology Letters, 6(3), 382-386.
Hill, M. F., Botsford, L. W., & Hastings, A. (2003). The effects of spawning age distribution on salmon persistence in fluctuating environments. Journal of Animal Ecology, 72(5), 736-744.
Marshall, D. J., Bonduriansky, R., & Bussière, L. F. (2008). Offspring size variation within broods as a bet‐hedging strategy in unpredictable environments. Ecology, 89(9), 2506-2517.
Wilbur, H. M., & Rudolf, V. H. (2006). Life-history evolution in uncertain environments: bet hedging in time. The American Naturalist, 168(3), 398-411.
Kendall, N. W., & Quinn, T. P. (2009). Effects of population-specific variation in age and length on fishery selection and exploitation rates of sockeye salmon (Oncorhynchus nerka). Canadian Journal of Fisheries and Aquatic Sciences, 66(6), 896-908.
- Badges
- Science topic
- Similar topics
- Biological Science
- Kinesiology
- Running