Headlines on mother who carried baby for days fuel concern over Seattle population that is stressed and starving.
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Researchers reporting in the journal Current Biology on July 26 have completed the first systematic analysis of marine wilderness around the world. And what they found is not encouraging; only a small fraction -- about 13 percent -- of the world's ocean can still be classified as wilderness.
The remaining marine wilderness is unequally distributed and found primarily in the Arctic, in the Antarctic, or around remote Pacific Island nations. In coastal regions, there is almost no marine wilderness left at all.
"We were astonished by just how little marine wilderness remains," says Kendall Jones of the University of Queensland, Australia, and the Wildlife Conservation Society. "The ocean is immense, covering over 70 percent of our planet, but we've managed to significantly impact almost all of this vast ecosystem."
On land, rapid declines in wilderness have been well documented. But much less was known about the status of marine wilderness. Wilderness areas are crucial for marine biodiversity.
"Pristine wilderness areas hold massive levels of biodiversity and endemic species and are some of the last places of Earth where big populations of apex predators are still found," Jones says.
In the new study, Jones and his colleagues used the most comprehensive global data available for 19 human stressors, including commercial shipping, fertilizer and sediment runoff, and several types of fishing in the ocean and their cumulative impact. They systematically mapped marine wilderness globally by identifying areas with very little impact (lowest 10% percent) from 15 anthropogenic stressors and also a very low combined cumulative impact from these stressors.
In order to capture differences in human influence by ocean regions, the researchers repeated their analysis within each of 16 ocean realms. They found wide variation in the degree of human impacts. For instance, more than 16 million square kilometers of wilderness remains in the Warm Indo-Pacific, accounting for 8.6 percent of the ocean. But it's even worse in Temperate Southern Africa, where less than 2,000 square kilometers of marine wilderness remains -- less than 1 percent of the ocean.
The study also shows that less than 5 percent of global marine wilderness is currently protected. Most of this is in offshore ecosystems, with very little protected wilderness found in high-biodiversity areas such as coral reefs.
"This means the vast majority of marine wilderness could be lost at any time, as improvements in technology allow us to fish deeper and ship farther than ever before," Jones says. "Thanks to a warming climate, even some places that were once safe due to year-round ice cover can now be fished."
The findings highlight an urgent need for action to protect what remains of marine wilderness, the researchers say. Such an effort requires international environmental agreements to recognize the unique value of marine wilderness and sets targets for its retention.
With so many new developments and changes, we've outgrown our old website! We have a new PODS website in the works which will be full of exciting information. Be among the first to know when it launches by signing up below. You will also receive news on upcoming events, fun contests and more! 🐳
Join us for daily field trips aboard the Wood Duck Bus to parks and beaches. We will have fun-filled days jam packed with hiking, games, art and science!
July 23 - 27 | Aug 27 - 31
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We are so EXCITED to unveil these updated renderings, created by Jeremiah of Deutscher Architecture. It is such a great feeling to be able to properly visualize PODS. Let us know what you think in the comments below!
After a mysterious ‘mass mortality event’ turned ochre stars to goo, experts say rapid evolution may have saved the creatures.
Happy World Ocean Day! In celebration, we are co-hosting the Festival of Ocean Films tonight! Tickets are available online through Eventbrite and there is a discount for Lagoon Society members. Come early for popcorn, drinks and mingeling! See you there!