Latest News

Hottest oceans in 400 years endanger Great Barrier Reef, researchers say

Water temperature levels in and around Australia's Fantastic Barrier Reef have increased to their warmest in 400 years over the past years, placing the world's. largest reef under threat, according to research study released on. Thursday.

The reef, the world's biggest living community, stretches. for some 1,500 miles (2,400 km) off the coast of the northern. state of Queensland. The research is uncommon in putting the effects. of man-made environment modification into historical context, as other. studies on damage to the reef have a much shorter time frame.

A group of researchers at universities throughout Australia. drilled cores into the coral and, much like counting the rings. on a tree, analysed the samples to determine summer ocean. temperatures going back to 1618.

Integrated with ship and satellite data returning around a. hundred years, the outcomes show ocean temperature levels that were. stable for hundreds of years start to rise from 1900 onwards as. a result of human influence, the research study concluded.

From 1960 to 2024, the study's authors observed an average. yearly warming for January to March of 0.12 ° C( 0.22 ° F) per.

decade. Since 2016, the reef has actually experienced five summer seasons of mass. coral whitening, when big sections of the reef turn white due. to heat tension, putting them at higher danger of death.

These summers were during 5 of the six hottest years in. the last 4 centuries, the research study revealed.

The world is losing one of its icons, said Benjamin. Henley, a scholastic at the University of Melbourne and one of. the research study's co-authors.

I find that to be an outright tragedy. It's hard to. comprehend how that can occur on our watch in our lifetime. So. it's very, very sad.

The last temperature information point, from January to March of. this year, was the highest on record and head and shoulders. above any other year, Henley said.

Reef safeguard coastlines from disintegration, are home to. countless species of fish, and are a crucial source of. tourism profits in numerous nations.

A minimum of 54 nations and regions have actually experienced mass. lightening of their reefs because February 2023 as environment change. warms the ocean's surface area waters, the U.S. National Oceanic and. Atmospheric Administration (NOAA) has actually said.

The Great Barrier Reef is not presently on UNESCO's list of. world heritage sites that remain in danger, though the UN. recommends it should be added.

Australia has actually lobbied for many years to keep the reef - which. contributes A$ 6.4 billion ($ 4.2 billion) to the economy each year. - off the threatened list, as it could damage tourist.

Lissa Schindler, Great Barrier Reef project supervisor at the. Australian Marine Conservation Society, said the research study revealed. Australia required to do more to decrease its emissions.

Australia must increase its aspiration, action and. commitments to battle climate modification and secure our greatest. natural possession, she said.

(source: Reuters)