March 26, 2019

A Whale's Afterlife

“On the day before Thanksgiving, 2011, Greg Rouse, a trim marine biologist in his fifties, was tidying his lab at the Scripps Institution of Oceanography, in La Jolla, California. Rouse studies the worms and other small animals that inhabit the deep sea. He was organizing his microscopes, dissection supplies, and jars of deep-sea critters when he received a long-anticipated e-mail.

In the late two-thousands, Rouse and Eddie Kisfaludy, then an operations manager for Virgin Oceanic, had begun meeting with officials from the National Oceanic and Atmospheric Administration (noaa) and the city of San Diego to pitch an alternative approach to the disposal of dead whales. Often, whales that wash up on shore are hauled to landfills or pushed back into the water. Rouse and Kisfaludy wanted to tow one out to sea, sink it to the seafloor, and watch what happened. Whale falls, as marine biologists call such events, create pop-up habitats that may serve as stepping stones for organisms migrating from methane seeps or hydrothermal vents to other parts of the ocean. Precisely how this works, and which species colonize the carcass as it degrades, were open questions that Rouse hoped to answer.

In the e-mail, a biologist from noaa wrote that a large female fin whale had washed ashore four days previously, on the rocky beach at Point Loma, just west of downtown San Diego. The noaa team had already moved the carcass to the protected beaches of Mission Bay and performed a necropsy, concluding that the whale had been hit by a ship. Now they were ready to hand it over to Rouse: if he could mobilize the necessary resources on short notice, the whale was his to sink.”

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