The changes he saw were striking: Where there had been dense kelp forests, there was now bare ocean floor. The water was ... of sediment downstream. These images show the effects of new sediment ...

Warming oceans are wiping out kelp forests. New research shows turf algae release chemicals that stop kelp from growing back.

Other main factors that drove kelp changes in the study were shifts in ocean floor substrate and periods ... getting close to an otter to take a picture—can be deadly for them.

open image in gallery Sea otters rely on kelp in the ocean to provide shelter and sustenance ... bounce back quicker than others (AFP via Getty Images) “We always thought keystone species ...

These kelp forests are like three-dimensional coral reefs that tower nearly 200 feet above the ocean floor. Thousands of marine species of every shape and color depend on them for food and shelter.

And when ash and debris fall upon the ocean’s surface, it reduces the amount of sunlight that filters through the water and provides the light kelp needs to photosynthesize. Kelp isn’t the ...

A NASA and CNES satellite lets scientists see the ocean floor in new ways ... NASA published a video this week showing a remarkably clear picture of the bottom of the ocean made possible thanks ...

Nodules containing nickel, cobalt, and manganese rest top these core samples taken from the deep ocean floor, San Diego, Calif., June 8, 2021. Carolyn Cole/Los Angeles Times via Getty Images ...

Oregon State University A new report spells out exactly how much Oregon’s kelp forests have dwindled over the past decade or so — and the picture is bleak. According to a status report ...