Hundreds of marine species are being affected as the planet's climate warms. JULIAN GUNTHER / GETTY IMAGES

Warming waters are altering marine life abundance

Scientists warn of broader ecosystem impacts.

As the world’s oceans have warmed by one degree Celsius since pre-industrial times, there has been a pervasive shift in abundance of marine life, from plankton and fish to mammals, seabirds and macroalgae.

Populations of plants and sea creatures in cooler waters have grown as previously unliveable habitats become more viable, while those near warmer waters have dropped off.

This finding comes from a global analysis of data for more than 300 marine species collected over the last century and is published in the journal Current Biology.

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