Humans' construction 'footprint' on ocean quantified for first time

In a world-first, the extent of human development in oceans has been mapped. An area totalling approximately 30,000 square kilometres—the equivalent of 0.008 percent of the ocean—has been modified by human construction, ...

Sharks revealed as the great protectors of seagrass

Sharks, marine scientists say, are often misunderstood, described as ravenous man-eaters. In reality, sharks are critically important to the health of the world's oceans, yet a quarter of all shark species are threatened ...

Sea otters promote recovery of seagrass beds

Scientists studying the decline and recovery of seagrass beds in one of California's largest estuaries have found that recolonization of the estuary by sea otters was a crucial factor in the seagrass comeback. Led by researchers ...

Dugongs likely to be functionally extinct in China

A small team of researchers from China, the U.K. and Greece reports that dugongs are likely functionally extinct in China. In their paper published in the journal Royal Society Open Science, the group describes interviewing ...

Measuring human impact on coastal ecosystems

Lush seagrass beds that support marine life, store carbon and prevent coastal erosion are on the decline due to such things as farming, aquaculture and coastal development.

Two new pygmy squids discovered among the corals of Japan

The seagrass beds and coral reefs surrounding the Japanese sub-tropical islands of Okinawa are some of the most biodiverse ecosystems on the planet. Home to more than 360 species of coral alone, these beautiful yet fragile ...

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