March 2021
RealClear Science
“As humanity enters what the United Nations has designated the Ocean Decade, we do not know the total amount of marine life, the biomass, in the oceans. Many experts firmly believe the abundance of marine life is diminishing. However, we have time series for only a few taxa, and these make up a small fraction of the total amount of life. We have only crude, uncertain estimates of biomass by trophic level.”
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