Mussel survey reveals alarming degradation of River Thames ecosystem since the 1960s
University of Cambridge scientists replicated a 1964 River Thames survey and found that mussel numbers have declined by almost 95%, with one species—the depressed river mussel—completely gone.
from Phys.org - latest science and technology news stories https://ift.tt/5mwe8LM
from Phys.org - latest science and technology news stories https://ift.tt/5mwe8LM
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