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Seagrass meadows are disappearing at an accelerating pace, according to a new report, which is the first to look at the problem on a global scale.
Seagrass meadows, along with coral reefs, mangrove forests, and salt-marshes, provide valuable ecosystem services like nutrient cycling. They also protect edible crustaceans, like shrimps and crabs, and juvenile fish such as salmon. In addition, seagrass meadows provide habitats for endangered species like dugongs, manatees, and sea turtles.
While marine ecologists have been measuring localized seagrass loss for decades, they had never before pooled their information to get a global perspective. So a team led by Michelle Waycott of James Cook University in Townsville, Queensland, Australia pooled data from 215 regional studies, from 1879 to 2006.
They found that the total area of known seagrass meadow had decreased by 29 per cent over the 127 years. They also found that the rate of loss had accelerated, from less than 1 per cent per year in the 1940s to 7 per cent per year since the 1990s.
The article goes on in detail, and there's actually a bit of good news about the seagrass meadows around our own Tampa Bay. Read the full piece here: Meadows of the Sea in Shocking Decline.
Yet another example of the tremendous negative impact we have had on our world. I guess "we" as a species won't be happy until everything is paved over and all the fish are gone from the sea. Not very optimistic on this Fourth of July.
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Meadows of the Sea in Shocking Decline
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