Whales play a crucial role in our ecosystem. Learn about the fascinating concept of whale pumps, how whale poop sustains marine life and its impact on climate change.
Sign up for our email newsletter for the latest science newsAgainst the backdrop of Southeast Alaska’s glacier-capped peaks, Dana Bloch leans over the side of a small boat and scoops up a clump of orange fecal matter floating in the ocean. “It’s my best sample yet,” she says, peering at the humpback whale poop in her net. “This one’s been feeding on krill instead of fish, so it’s pretty solid.”
“We know whales help in nutrient recycling and they help to maintain healthy oceans,” says Heidi Pearson, a marine biologist at the University of Alaska Southeast and the principal investigator for Bloch’s research project.How a Whale Pump Works Traditionally, people assumed the whales depleted fisheries by consuming species like herring — essentially competing with the humans who also fish these waters. Instead, whales may be benefiting the entire ecosystem by creating conditions that encourage fish populations toRead More:To test this theory, Bloch has been collecting fecal samples, usually with the help of a drone.
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