MARCH 26, 2020
A global analysis of over 300 marine species spanning more than 100 years, shows that mammals, plankton, fish, plants and seabirds have been changing in abundance as our climate warms.
At the cool edge of species ranges marine life is doing well as warming opens up habitat that was previously inaccessible, while at the warmer edge species are declining as conditions become too warm to tolerate.
The study, conducted by researchers from the Universities of Bristol and Exeter, reviewed 540 published records of species abundance changes to investigate how marine plants and animals are responding to warming seas.
Martin Genner, Professor of Evolutionary Ecology at the University of Bristol's School of Biological Sciences, who guided the research, said: "We drew together an extensive collection of survey records that reported how species abundances have changed over the last century, as the world's oceans warmed by over 1°C. We then identified the location of each study in relation to the full global distribution of the species and asked if abundance changes depended on where a species was studied."
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