Peter Brown
Center for Computer-Based Instructional Technology,
Department of Computer Science
pbrown@cs.umass.edu
Murray Eisenberg
Department of Mathematics and Statistics
murray@math.umass.edu
University of Massachusetts, Amherst
Note to reviewers: In this alpha version, some references and other items are missing. And we need to check the units for these populations, i.e., measuring in tens, hundreds, thousands? also what the time units are, i.e., months, years. Sorry, no time to chase down Oregon web sites now.
Spotted owl and flying squirrels inhabit Douglas fir old-growth forests in the northwestern United States. The squirrels are a major food source for the owls: the owls just love to prey upon the squirrels. Collected data (see [source to be supplied]) provides month-by-month population figures for both owls and squirrels. The central problem considered in this module is to explain certain numerical regularities one can observe in such data and, more importantly, to be able to predict these regularities if one knows just the two population sizes at any one given starting time.