Rapid senescence in pacific salmon.

  title={Rapid senescence in pacific salmon.},
  author={Yolanda E Morbey and Chad E. Brassil and Andrew P. Hendry},
  journal={The American naturalist},
  volume={166 5},
Any useful evolutionary theory of senescence must be able to explain variation within and among natural populations and species. This requires a careful characterization of age-specific mortality rates in nature as well as the intrinsic and extrinsic factors that influence these rates. We perform this task for two populations of semelparous Pacific salmon. During the breeding season, estimated daily mortality rates increased from 0 to 0.2-0.5 (depending on the year) over the course of several… CONTINUE READING

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