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Warming and acidification promote cyanobacterial dominance in turf algal assemblages

As marine ecosystems are predicted to be facing increases in both temperature and CO2 levels, resulting in increased acidity, scientific research is attempting to predict the effect that the altered environmental conditions will have on species, communities and, ultimately, ecosystems. Show More Summary

Detrimental effect of CO2-driven seawater acidification on a crustacean brine shrimp, Artemia sinica

The effects of the decline in ocean pH, termed as ocean acidification due to the elevated carbon dioxide in the atmosphere, on calcifying organisms such as marine crustacean are unclear. To understand the possible effects of ocean acidification on the physiological responses of a marine model crustacean brine shrimp, Artemia sinica, three groups of the […]

Ocean Roundup: Florida Manatees See Better Year in 2014, Links between Fish Fins and Human Hands Discovered, and More

A Florida manatee. Manatee’s had a better year in 2014 than they did in previous years. (Photo: U.S. Fish and Wildlife Service Southeast Region / Flickr Creative Commons) - Kemp’s ridley sea turtles are typically found in the warmer waters of the Gulf of Mexico and U.S. Show More Summary

Photos: Reflecting on Oceana’s Work to Protect the Oceans and Restore Ocean Abundance in 2015

A diver in a volcanic arch, pictured off Roques de la Hoya, El Hierro, Canary Islands, Spain during the 2014 Ranger Expedition to the Atlantic Seamounts. (Photo: Oceana in Europe / Flickr) From President Obama designating the world’s...Show More Summary

12-30-14 Blackberry J-27 the Main Focus Today

Tuesday, December 30th...the last few days - when J pod came out of Puget Sound on the 28th, Blackberry had something on him, a satellite tag...but at that time I didn't know...I heard them faintly over the Lime Kiln hydrophones after...Show More Summary

CEO Note: Presidential Task Force Releases Recommendations for Seafood Fraud and Illegal Fishing

(Photo: Oceana / Jenn Hueting) Earlier this summer, I wrote to you when President Obama established a Task Force on Combating Illegal, Unreported, and Unregulated (IUU) Fishing and Seafood Fraud. President Obama established the task force in June at the global Our Ocean conference, hosted by Secretary of State John Kerry. Show More Summary

Good News for the Arctic: Chevron Scraps Plans for Offshore Oil Exploration

A polar bear in the Arctic. (Photo: Outward_bound / Oceana) Earlier this month, Chevron announced it was withdrawing plans for offshore oil exploration in the Canadian Arctic’s Beaufort Sea in a letter to Canada's National Energy Board. The oil corporation cited "economic uncertainty in the industry,” as a reason for their decision, according to Reuters. read more

Ocean Roundup: Staghorn Coral “Forests” Discovered off Florida, Peru’s Anchovy Fishery Closed Again, and More

Staghorn coral. This coral has declined in recent years, but scientists recently found a large area of it off Florida. (Photo: Paul Asman and Jill Lenoble / Flickr Creative Commons) - Scientists have discovered “forests” of staghorn coral off of Southern Florida—a rare discovery since these corals are experiencing large declines. Show More Summary

OA-ICC December calendar: 30/12 – “Spin the OA story with the Google Earth tour!”

Count down the days until 2015 together with the OA-ICC! Each day of December you will find a short story on the OA-ICC news stream highlighting an ocean acidification project, effort, or resource. Discover today’s story below: “Spin the OA story with the Google Earth tour!” What about a high-tech approach to ocean acidification? This […]

Fabriciidae (Annelida, Sabellida) from a naturally acidified coastal system (Italy) with description of two new species

Polychaete worms are known to thrive in extreme environmental conditions, however little is known about how polychaete species will respond to major climatic stressors, such as ocean acidification. Here, we examined the distributionShow More Summary

Rapid response of the active microbial community to CO2 exposure from a controlled sub-seabed CO2 leak in Ardmucknish Bay (Oban, Scotland)

The response of the benthic microbial community to a controlled sub-seabed CO2 leak was assessed using quantitative PCR measurements of benthic bacterial, archaeal and cyanobacteria/chloroplast 16S rRNA genes. Samples were taken from four zones (epicentre; 25 m distant, 75 m distant and 450 m distant) during 6 time points (7 days before CO2 exposure, after 14 and 36 […]

New study finds Alaskans familiar with ocean acidification, not aware of risks to fisheries

New research published in Marine Policy from the first Alaska-focused study on public understanding and awareness of ocean acidification risk shows that Alaskans are three times more aware of ocean acidification than Americans in general. Show More Summary

Climate change threat to mussels’ shells

The world’s mussel population could be under threat as climate change causes oceans to become increasingly acidic, scientists have discovered. In a new paper published today (Wednesday 24 December) in the Royal Society’s journal Interface, researchers from the University of Glasgow describe how mussels’ shells become more brittle when they are formed in more acidic […]

Ocean acidification alters the material properties of Mytilus edulis shells

Ocean acidification (OA) and the resultant changing carbonate saturation states is threatening the formation of calcium carbonate shells and exoskeletons of marine organisms. The production of biominerals in such organisms relies on the availability of carbonate and the ability of the organism to biomineralize in changing environments. Show More Summary

Corals concentrate dissolved inorganic carbon to facilitate calcification

The sources of dissolved inorganic carbon (DIC) used to produce scleractinian coral skeletons are not understood. Yet this knowledge is essential for understanding coral biomineralization and assessing the potential impacts of ocean acidification on coral reefs. Show More Summary

Witnessing History in Havana: 12/17/2014

The Cuban taxi driver informed  me that the world was about to change. Presidents Raul Castro and Barack Obama were going to deliver a major announcement at noon. He shook my hand in congratulations. I stood stunned as the taxi pulled away. We had heard these rumors before, and with little Internet access, the rumor […]

12-25-14 The Gift They Kept On Giving

Thursday, December 25th - Christmas Day...just like Santa Claus J pod showed up in the night......and they were nowhere to be seen by daylight......a phone call came at about 9:00 a.m - whales on the west side!...I'm off and runningShow More Summary

OA-ICC December calendar: 26/12 – “OA greatest hits!”

Count down the days until 2015 together with the OA-ICC! Each day of December you will find a short story on the OA-ICC news stream highlighting an ocean acidification project, effort, or resource. Discover today’s story below: “OA greatest hits!” Who says ocean acidification cannot inspire musical jewels? If you share such an opinion, we […]

12-24-14 There Was More Going On Here

Wednesday, December 24th...the day before Christmas and all through the day, J Pod showed up with travel, breaching, and play!...that's Jones Island in the distance......in the opposite direction......what a treat for those on the international...Show More Summary

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