Chaos Meets Data in Population Ecology : Inferring the Causes of Population Fluctuations

  title={Chaos Meets Data in Population Ecology : Inferring the Causes of Population Fluctuations},
  author={S. P. Ellner},
1. Introduction. "The logistic difference equation x t + 1 = rXtO-xt) with r =3.7 produces erratic, chaotically fluctuating values of xt (Figure la). Contemplating this time-series, Solomon (979) asked, "How could the trajectory of this completely determined process ever be distinguished from the sample path of a stochastic one?" The implication is that there is no way to tell if fluctuations in population abundance are chaotic or random, by any analysis of the time-series data alone… CONTINUE READING
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