Bird group math & stats help

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Introduction

This page is designed to provide links to information on statistics and other mathematical topics that might be helpful to students in the bird group. Of course, others are welcome to use the site if it is helpful.

Please note that none of these materials are things that we have generated. Any credit should go to the fine people who have made their materials widely available.

Any comments/questions should be directed to Chris Elphick.

Experimental design

There's a whole bunch of statistics calculators that might be useful here.

On-line statistics handbook covering introductory stats. Includes examples/SAS code. [1] Please cite as requested.

On-line software for conducting power analyses can be found here. Please cite it as requested on the web page, if you use it.

A random (and very incomplete) collection of papers that might be useful:

  • Cottingham et al. 2005. Knowing when to draw the line: designing more informative ecological experiments. Front. Ecol. Environ. 3: 145-152. (Compares use of regression vs. ANOVA.)
  • Guthery, F. S. 1987. Guidelines on preparing and reviewing manuscripts based on field experiments with unreplicated treatments. Wildlife Society Bulletin 15:306
  • Heffner, R. A., M. J. Butler, and C. K. Reilly. 1996. Pseudoreplication revisited. Ecology 77:2558–2562.
  • Hurlbert, S. H. 1984. Pseudoreplication and the design of ecological field experiments. Ecological Monographs 54:187–211.

More stuff to come as we find it and find time to post it ....

Information theoretic methods

The main text book for this stuff (as it relates to ecology and wildlife biology) is Burnham and Anderson's Model selection and multimodel inference: a practical information-theoretic approach (2002, 2nd Edition).

James Peterson (USGS Coop Unit, U. Georgia) has posted some useful notes on calcuating AIC, model averaging, etc. here

Bayesian methods

Stuff to come as we find it

Demographic modelling and Population viability analysis (PVA)

Probably the best book for understanding how to do PVAs is Morris and Doak's Quantitative Conservation Biology: Theory and Practice of Population Viability Analysis (2002). All of the MATLAB code from their book is available for download here.

Another excellent book, though with more emphasis on the broader implications of PVA and less on direct implementation, is Beissinger and McCullough's Population Viability Analysis (2002) at least some of which can be viewed on Google books here.

Kent Holsinger has posted an excellent summary of the basics of PVA here, with explanations of Leslie Lefkovitch matrices, eigenvalues and eigenvectors, sensitivity analysis, etc.

There's a neat site here that helps you see how a Leslie matrix work.

Here's a reading list that I've used to introduce people wanting an introduction to population modeling in birds. (Links may not work unless you have journal access, e.g., via UConn libraries.)

Papers from our group's work that might be useful: