Warmer oceans set to hit global marine diversity: Scientists

Sydney, Oct 19 (IANS) Climate change and warmer oceans are likely to change reef ecosystems worldwide, reducing the diversity of invertebrates such as crabs, lobsters and sea urchins, Australian scientists have revealed.

As the oceans get warmer, fish, which seem to be better predators in warmer waters, will extend their range from the equator to feed in colder latitudes where the number of large invertebrates is higher, Australia's Institute for Marine and Antarctic Studies said in a statement on Thursday.

The findings were made using data collected by a research team under the institute, which is based at the University of Tasmania, reports Xinhua news agency.

"As fish extend their range further from the equator with warming water, their advantage as predators will affect the abundance and diversity of large mobile invertebrates," the institute quoted the study's lead author, professor Graham Edgar, as saying.

"Broad changes will likely spread across the ecosystem, affecting human activities such as fishing."

The "tropicalisation" of marine life is already happening in southeastern Australia and Tasmania, "but similar effects have not yet been detected in New Zealand", he said.

The southern island state of Tasmania exports much of Australia's seafood, including crustacean and mollusc products, to Asian consumers, industry figures showed.

(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)

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