Old models explain new observations of butterfly movement at patch edges

Ecology
Elizabeth E Crone, Cheryl B Schultz

Abstract

Understanding movement in heterogeneous environments is central to predicting how landscape changes affect animal populations. Several recent studies point out an intriguing and distinctive looping behavior by butterflies at habitat patch edges and hypothesize that this behavior requires a new framework for analyzing animal movement. We show that this looping behavior could be caused by a longstanding movement model, biased correlated random walk, with bias toward habitat patches. The ability of this longstanding model to explain recent observations reinforces the point that butterflies respond to habitat heterogeneity and do not move randomly through heterogeneous environments. We discuss the implications of different movement models for predicting butterfly responses to landscape change, and our rationale for retaining longstanding movement models, rather than developing new modeling frameworks for looping behavior at patch edges.

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Citations

Aug 3, 2013·Journal of Mathematical Biology·Jeffrey Musgrave, Frithjof Lutscher
Apr 22, 2015·Journal of Biological Dynamics·Gabriel Andreguetto Maciel, Frithjof Lutscher
Jan 26, 2012·The Journal of Animal Ecology·Cheryl B SchultzElizabeth E Crone
Dec 17, 2009·The Journal of Animal Ecology·John D Reeve, James T Cronin
Jul 23, 2016·Frontiers in Integrative Neuroscience·Seth D König, Elizabeth A Buffalo
May 9, 2018·Journal of Mathematical Biology·Jane S MacDonald, Frithjof Lutscher
Feb 21, 2019·Journal of Mathematical Biology·Gabriel MacielFrithjof Lutscher

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