PeerJ Author & Reviewer 250 Points Contributions by role Author 235 Reviewer 15 Contributions by subject area Environmental Sciences Climate Change Biology Ecology Population Biology Mathematical Biology Andrew J Irwin PeerJ Author & Reviewer Summary Ecology Ecosystem Science Environmental Sciences Mathematical Biology Statistics Past or current institution affiliations Dalhousie University Mount Allison University Work details Professor Mount Allison University Mathematics & Statistics Websites Google Scholar ResearcherID My lab PeerJ Contributions Articles 2 February 2, 2023 Density regulation amplifies environmentally induced population fluctuations Crispin M. Mutshinda, Aditya Mishra, Zoe V. Finkel, Andrew J. Irwin https://doi.org/10.7717/peerj.14701 PubMed 36751641 July 2, 2015 Community- and population-level changes in diatom size structure in a subarctic lake over the last two centuries Elizabeth A. Kerrigan, Andrew J. Irwin, Zoe V. Finkel https://doi.org/10.7717/peerj.1074 PubMed 26157637