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Ecology package

This package implements a model of animal population dynamics. The model was used in Wigren et al. (2019), with a song sparrow data set from Saether et al. (2015), which is included in the package.


This package is open source software.

It is licensed under the Apache License, Version 2.0 (the "License"); you may not use it except in compliance with the License. You may obtain a copy of the License at

Getting started

To build, use:

birch build

To run, use:



  • A. Wigren, R.S. Risuleo, L.M. Murray and F. Lindsten (2019). Parameter elimination in particle Gibbs sampling. Advances in Neural Information Processing Systems.

  • B.-E. Saether, S. Engen, R. Lande, P. Arcese, and J. N. M.Smith (2000). Estimating the time to extinction in an island population of song sparrows. Proceedings: Biological Sciences, 267(1443):621–626.