Recent Publications

Walter, J., D.M. Johnson, and K.J. Haynes. 2016. Spatial variation in Allee effects influences patterns of range expansion. Ecography, in press.

Allstadt, A.J., A.M. Liebhold, D.M. Johnson, R.E. Davis, and K.J. Haynes. 2015. Temporal variation in the synchrony of weather and its consequences for spatiotemporal population dynamics. Ecology 96: 2935-2946.

Walter, J., D.M. Johnson, P.C. Tobin, and K.J. Haynes. 2015. Population cycles produce periodic range boundary pulses. Ecography 38: 1-12.

 

 

 

 

 

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My research focuses on how and why populations fluctuate in abundance across time and space and the implications of human-driven global changes, particularly climate change, habitat loss, and light pollution. I blend analyses of spatiotemporal datasets, quantitative modeling, and field experiments. Aspects of population dynamics I am especially interested include boom-or-bust fluctuations (population cycles) and the spatial synchrony of fluctuations in abundance. Forest-defoliating moths have been my main study organisms in recent years, but my studies have focused on a wide range of arthropods and host plants.

 

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