Differences in the shape of wildlife population declines can guide conservation action

Our paper analysing wildlife population declines is just out today in Journal of Applied Ecology!

The Applied Ecologist's blog

In this post Martina Di Fonzo discusses her paper ‘Patterns of mammalian population decline inform conservation action‘ published in Issue 4 of Journal of Applied Ecology, online today.

Wildlife monitoring programmes play a key role in understanding ecological systems and this information forms the basis of many management decisions and conservation actions. Monitoring population declines, in particular, is an important step in tackling biodiversity loss, as severe population reductions anticipate species extinctions.  In our recent paper, we explore how differences in the shape of mammalian wildlife population declines can act as useful trigger points within monitoring programmes, to highlight when and where rapid management intervention is required.

This study builds on our previous analyses, in which we identified three principal decline-curve types of increasing severity: quadratic concave (i.e. recovering), exponential concave (i.e. decelerating), and quadratic convex (i.e. accelerating) decline-curves (Figure A).   In our new study, we investigate whether the presence of different decline-curve types within 85 mammalian population time-series is dependent…

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