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Sven Bacher
Sven Bacher
Professor at University of Fribourg
Joined Nov 2022 · Fribourg, Switzerland

Public Documents 1
A general framework to quantify and compare ecological impacts under temporal dynamic...
Lara Volery
Daniel Wegmann

Lara Volery

and 2 more

November 18, 2022
Biodiversity is diminishing at alarming rates due to multiple anthropogenic drivers. To mitigate these drivers, their impacts must be quantified accurately and comparably across drivers. To enable that, we present a generally applicable framework introducing fundamental principles of ecological impact quantification, including the quantification of interactions between multiple drivers. The framework contrasts biodiversity variables in impacted against those in unimpacted or other reference situations, while accounting for their temporal dynamics through modelling. Properly accounting for temporal dynamics reduces biases in impact quantification and comparison. While considering temporal dynamics requires more data than snapshot comparisons, our framework remains broadly applicable at only minimal extra costs. The framework addresses key questions around ecological impacts in global change science, namely, how to compare impacts under temporal dynamics across stressors, how to account for stressor interactions in such comparisons, and how to compare the success of management actions over time.
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