More Antarctic protections urged on World Penguin Day

2017-04-25 22:04
(Shakh Aivazov, AP)

(Shakh Aivazov, AP)

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Sydney - The world needs to do more to protect the Antarctic wilderness and its wildlife, scientists warned on Tuesday as they marked World Penguin Day.

The flightless seabirds - a favourite with children for their clumsy, waddling gait - offer a useful yardstick for researchers to judge the health of their habitat.

Penguin species

"Penguins are great ambassadors for understanding the need to conserve Southern Ocean resources," said Christian Reiss, an Antarctic fisheries biologist at the US-based National Oceanic and Atmospheric Administration.

"They are the iconic species of this ecosystem and the fate of their populations will depend on effective ecosystem-based management, including understanding the role of climate change and human impacts."

A Pew study in 2015 showed two thirds of the world's 18 penguin species, which range from the volcanic Galapagos Islands on the equator to the frozen sea ice of Antarctica, were in decline.

Antarctic penguins in particular are vulnerable to climate change, with shifting ice reducing habitat while warming seas affect their prey.

Breed and molt

Scientists blame intense fishing pressure on forage species such as krill, as well as pollution, degradation of breeding grounds and climate change.

According to the International Union for Conservation of Nature Red List of Threatened Species, only two types of penguin - Adelie and King - are increasing in numbers.

Penguins live most of their lives at sea but return to land to breed and molt, making them important gauges of marine health that are easily accessible to researchers, who can then develop realistic and effective conservation ocean strategies.

Read more on:    australia  |  marine life  |  animals

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