Ocean Stories

Anthropocene brings some of the best minds to bear on tough questions about the future of the Earth’s largest ecosystems: Should nations farm their EEZs—and how can they do it ecologically? Are there economically viable ways to harvest plastic waste? Can we cultivate acid- and heat-resilient coral reefs?

How many fish are in the sea?

Researchers are getting closer to an answer—and improved management—by identifying the DNA traces that fish leave behind in seawater

nbsp | AnthropocenenbspA liter of water is key to counting all the fish in the sea The ocean is awash in biological DNA And now researchers are mining microscopic environmental DNA to measure the density and diversity of fish stocks