Dear Deeply Readers,
Welcome to the archives of Oceans Deeply. While we paused regular publication of the site on September 1, 2018, we are happy to serve as an ongoing public resource on ocean health and economy. We hope you’ll enjoy the reporting and analysis that was produced by our dedicated community of editors and contributors.
We continue to produce events and special projects while we explore where the on-site journalism goes next. If you’d like to reach us with feedback or ideas for collaboration you can do so at [email protected].
Matthew Berger is a journalist based in San Francisco specializing in ocean issues. His work has appeared in the Guardian, Newsweek, Discover, Nautilus and the San Francisco Chronicle.
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Tens of millions of the top ocean predator are killed every year when they’re caught in fishing lines. Researchers tracked blue sharks to see how close they get to fishing boats whose locations are now mapped worldwide in an effort to detect illegal activity.
A recommendation to increase quotas for the valuable but imperiled Atlantic bluefin tuna, despite a finding that the species has not rebounded from decades of overfishing, underlines a lack of reliable data on the fish.
Data collected from across the ocean by 250 diver citizen-scientists has given scientists new insights – and a new way of conducting ocean research – into how climate change is affecting marine life as temperatures rise.
Scientists studied how remoras hitch rides on sharks, rays and other animals to develop a device that does the same and that potentially could be used to study marine life and further the reach of underwater autonomous vehicles.
The effects of ocean acidification on marine life have only become widely recognized in the past decade. Now researchers are rapidly expanding the scope of investigations into what falling pH means for ocean ecosystems.
Scientists and policymakers say it’s not enough to create huge marine protected areas – ocean reserves must effectively limit fishing and other human activities to avoid becoming ‘paper parks.’
A review finds that just 77 studies of the population genetics of deep ocean invertebrate have been conducted since 1970 as plastic pollution, mining and other human activities increasingly imperil marine life of which little is known.
The ocean has lost 2 percent of its oxygen in just 50 years. Now scientists have for the first time measured a devastating loss of oxygen in ancient oceans, which could help them quantify future losses.
Researchers are trying to figure out what the appearance of millions of bioluminescent pyrosomes off the United States’ northwest coast means for the food chain, fisheries and ocean health.
Blue technologies being developed in the San Francisco Bay Area aim to give scientists and citizens low-cost tools to gather and share high-quality data on ocean conditions.
The United States’ major aquariums pledge to go plastic-free by 2020, showing one way to eliminate plastic from the industrial supply chain before it reaches the ocean.
As waters warm, ocean oxygen levels are falling. Scientists say marine “dead zones” are already expanding, putting fisheries and the ecosystems they depend on in peril.
New acoustic techniques that measure fish populations could potentially be used to help endangered species like the totoaba – and in turn the even rarer vaquita porpoise, which is on the brink of extinction.
Just two years after limits were imposed to help the recovery of decimated tuna populations – which have suffered an estimated 97% decline in recent decades – fishing quotas are being exceeded, much to the dismay of environmentalists.
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