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Miguel B. Araújo Lab | Blog

Predicting the effects of environmental change on biodiversity

You are here: Home / News / Improvements in reports of species redistribution under climate change required

Improvements in reports of species redistribution under climate change required

We – Shirin Taherim Babak Naimi, Carsten Rahbek and Miguel B. Araújo – just published the study in Science Advances. 

We reviewed 240 reports of climate-related species-range shifts and classified them based on three criteria. We ask whether observed distributional shifts are compared against random expectations, whether multicausal factors are examined on equal footing, and whether studies provide sufficient documentation to enable replication. We found that only ~12.1% of studies compare distributional shifts across multiple directions, ~1.6% distinguish observed patterns from random expectations, and ~19.66% examine multicausal factors. Last, ~75.5% of studies report sufficient data and results to allow replication. We show that despite gradual improvements over time, there is scope for raising standards in data and methods within reports of climate-change induced shifts in species distribution. Accurate reporting is important because policy responses depend on them. Flawed assessments can fuel criticism and divert scarce resources for biodiversity to competing priorities.

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Research Highlights

Human disturbances affect the topology of food webs

Biogeography of bird and mammal trophic structures

Strategy games to improve environmental policymaking

Response of an Afro-Palearctic bird migrant to glaciation cycles

Improvements in reports of species redistribution under climate change are required

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