Growing meadows under the sea
A new technique for mooring posidonia grass (Posidonia oceanica) to the Sardinian sea bed is improving its chances of survival. Human activity is killing off posidonia in the Mediterranean at an alarming rate. Meadows of the sea grass have regressed by an estimated 34% over the past 50 years. Their demise is bad news for marine biodiversity that relies on the habitat for oxygen, protection and nutrients.
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