Researchers address urgent need to identify species most threatened by climate change

October 12, 2018, University of York
Researchers address urgent need to identify species most threatened by climate change
Dr Platts holds a recently discovered species of dwarf cameleon, known only from a remote volcano in Mozambique. Assessing the climate change vulnerability of such rare species is a particular challenge. Credit: University of York

An international team of scientists, including researchers from the University of York, have published a set of guidelines for how to assess which species are most vulnerable.

With the first documented extinction due to human-induced climate change, of the Bramble Cay mosaic-tailed rat, recorded in 2016, the paper has been published in response to the urgent need for reliable ways to measure the of species in order to ensure are targeted and effective.


The study, from the International Union for the Conservation of Nature (IUCN), provides practical guidance to the on how to carry out rigorous assessments, which take into account the broad range of ways in which climate change may become a threat to species.

The known impacts on wildlife range from rising sea levels destroying habitats to shifts in the availability of food, as in the case of many seabirds.

The 18 authors of the review stress that scientists should identify the full range of pressures that plants, animals and fungi face from a changing climate when assessing their vulnerability.

Rare Species

The researchers say that climate change vulnerability assessments to date have tended to overlook species that are only found in limited areas, such as many sub-Saharan amphibians, and to underestimate risk for those declining in number or distribution. This is of particular concern as these are at greatest risk of extinction, the authors warn.

Researchers address urgent need to identify species most threatened by climate change
The distribution of Cape gannets is changing in response to shifts in their prey, such as sardines and anchovy. Credit: Avitopia

Dr. Phil Platts, from the Department of Environment and Geography at the University of York and member of the IUCN Climate Change Specialist Group, said: "A common way to assess climate change vulnerability for species is to look across their known distributions, to understand the conditions where they thrive. But many of the rarest, most imperilled , have small ranges or very few data points, making it difficult to predict their climate response.

"We outline practical ways to get around this problem, as well as offering more general guidance on assessing the threats and opportunities that poses to all life on Earth."

Explore further: Surprise species at risk from climate change

More information: Wendy B. Foden et al. Climate change vulnerability assessment of species, Wiley Interdisciplinary Reviews: Climate Change (2018). DOI: 10.1002/wcc.551

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