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The Disappointing Reality of Musical Fish

Fanciful common names of fishes suggest there may be an orchestra in the sea, but this is yet another way the underwater world lets us down. In the heat of the cold war when cloak-and-dagger espiponage went below the sea, the US Navy was listening to fishes. Ideally, after identifying all the strange sounds generated […]

The Patron Saint of Marine Scientists

Saint Brendan of Clonfert is often referred to Brendan the Voyager. He is Irish monastic saint born in 484 in Ciarraighe Luachra, near the present city of Tralee, County Kerry and died in 577. Besides founding several monasteries across Ireland, Brendan made a legendary journey. The tale of begins with Brendan and 60 (other stories […]

11-30-14 What Were They Doing?

...yesterday that is..this is a continuation from yesterday's post....click to enlarge the cartoon......my attempt to show what the whales might have been doing during their unusual foraging behavior yesterday......in the center areShow More Summary

11-29-14 J Pod Left The Scene Undetected!

Friday/Saturday, November 28/29th Friday, November 28th...an audio whale evening...J and K pod calls over the Port Townsend hydrophones at about 10pm...they were coming out of Puget sound......Saturday, November 29th...28 degrees, winds...Show More Summary

What single piece of advice would you give another scientist?

Recently I attended a talk by my good friend and fantastic researcher, Brian Sidlauskas. His talk was a retrospective over his research and what contributed to his academic success. A key part of his advice Don’t skip happy hours.   Weekly lunches, tea times, happy hours, and other structured but informal meeting times with other scientists […]

Ocean acidification reshapes the otolith-body allometry of growth in juvenile sea bream

The effects of elevated CO2 partial pressure (pCO2) on otolith calcification and on the coupling between somatic and otolith growth were investigated in juvenile gilthead sea bream Sparus aurata. Six-month old individuals were raised during seven weeks under four pCO2 conditions set according to projected future ocean acidification scenarios. Show More Summary

Count down the days until the New Year 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 or effort, demystifying a strange ocean acidification acronym or reminding you of a useful ocean acidification resource! Look out for the OA-ICC December calendar – coming up December 1st!Filed under: Media coverage

The pH is falling! Oysters and economics on the Hill

That’s right – the pH is falling. The pH of our oceans to be exact. Yesterday afternoon, WWF-Canada and the All Party Ocean Caucus hosted an Oceans on the Hill event to highlight this global issue, which is generally referred to as ocean acidification. Ocean acidification takes place when carbon dioxide in our atmosphere is […]

Behavioural responses to simulated bird attacks in marine three-spined sticklebacks after exposure to high CO2 levels

The rising partial pressure of CO2 (pCO2) in oceanic water, termed ocean acidification, is an impending threat to marine life and has previously been shown to affect several aspects of fish behaviour. We evaluated the behavioural response to a simulated avian predator attack and lateralisation in three-spined sticklebacks (Gasterosteus aculeatus) after 10 and 20 days […]

11-26-14 The Answer Came on Wednesday

Tuesday, November 25th...it was about 8 a.m. when I began hearing the whales over the Port Townsend hydrophones...the whales were heading out......several hours later their calls could be heard very faintly over the Lime Kiln hydrophones...I...Show More Summary

Oyster farmers and ocean acidification (text & video)

The ocean is so acidic that it is dissolving the shells of our baby oysters,” says Diani Taylor of Taylor Shellfish Farms in Shelton, Washington. She and her cousin Brittany are fifth-generation oyster farmers, and are grappling with ocean waters that are more acidic and corrosive than their fathers, grandfathers, and great-grandfathers knew. This “ocean […]

Design, construction, and operation of an actively controlled deep-sea CO2 enrichment experiment using a cabled observatory system

We describe the design, testing, and performance of an actively controlled deep-sea Free Ocean CO2 Enrichment (dp-FOCE) system for the execution of seafloor experiments relating to the impacts of ocean acidification on natural ecosystems. We used the 880 m deep MARS (Monterey Accelerated Research Initiative) cable site offshore Monterey Bay, California for this work; but […]

ICCAT Moves to Properly Manage Bluefin Tuna, but Doesn’t Take Action for Sharks and Swordfish

Bluefin tuna (Thynnus thynnus), pictured an Oceana Marviva Med Mediterranean Expedition in 2008. (Photo: Oceana / Keith Ellenbogen) Earlier this month, the International Commission for the Conservation of Atlantic Tunas (ICCAT) concluded...Show More Summary

Ocean acidification (audio)

The most serious, debilitating circumstance affecting the ocean today may be acidification, the changing pH or acid balance in the water column with devastating impacts on the marine food chain, species migration and reproduction. In this episode of World Ocean Radio, host Peter Neill will report on the recently-released 20 Facts About Ocean Acidification. Peter Neill, […]

Ocean acidification report vote delayed

AUGUSTA — The commission studying the impacts of ocean acidification on the state’s commercial fisheries is asking legislative leaders for permission to meet one more time before issuing the final version of its report. The Legislature established the mellifluously named Commission to Study the Effects of Coastal and Ocean Acidification and Its Existing and Potential […]

Reefs shift from net accretion to net erosion along a natural environmental gradient

Coral reefs persist in an accretion-erosion balance and ocean acidification resulting from anthropogenic CO2 emissions threatens to shift this balance in favor of net reef erosion. Corals and calcifying algae, largely responsible for...Show More Summary

Ocean acidification exacerbates the impacts of global warming on embryonic little skate, Leucoraja erinacea (Mitchill)

Ocean acidification and warming have the potential to profoundly impact marine fishes by reducing embryo fitness and survival. Local adaptation to thermal gradients may reduce the impact of global warming, but whether fish from different populations may respond differently to climatic stressors remains unknown. Show More Summary

Physiological and biochemical responses of diatoms to projected ocean changes

With progressive future global change, marine phytoplankton in surface oceans will be subjected to ocean acidification, as well as to increased solar exposures and decreased vertical transport of nutrients from depth due to increasing stratification. Show More Summary

How good are we at assessing the impact of ocean acidification in coastal systems? Limitations, omissions and strengths of commonly used experimental approaches with a special emphasis on the neglected role of fluctuations

Much of our past research on ocean acidification has focussed on direct responses to pCO2 increase at the (sub-) organism level, but does not produce findings that can be projected into the natural context. Based on a review of about 350 recent articles mainly on ocean acidification effects, we highlight major limitations of commonly used […]

Is Jurassic World Violating CITES Protections?

Have you seen the new Jurassic World trailer?  As if I even have to ask…  Of course you have.  And of course you are amazed by the scene featuring what appears to be either a short-necked species of pliosaur (maybe a Kronosaurus?) or a super-sized version of a mosasaur, (an extinct marine reptile, not a […]

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