‘In warmer water, sharks are hungrier but with increased CO2 they won’t be able to find their food’
The effects of ocean acidification on shellfish are already well understood. There’s little doubt shell-forming species like oysters will face big challenges as the water chemistry changes. In some cases, more acidic water will simply corrode there shells.
Ocean scientists are advocating for the designation of quiet zones to help gain a better understanding of how noise pollution affects marine life.
Creating areas where ship traffic is limited would help researchers find the best way to protect marine life from harmful noise, according to a new study published in the journal Marine Pollution Bulletin. By assigning zones through which ships cannot travel, researchers can help find the best way to protect marine life from harmful noise.
Almost all marine organisms, including mammals like whales and dolphins, fish and even invertebrates, use sound to find food, avoid predators, choose mates and navigate. Chronic noise from human activities such as shipping can have a big impact on these animals, since it interferes with their acoustic signaling. Increased background noise can mean animals are unable to hear important signals, and they tend to swim away from sources of noise, disrupting their normal behavior. Continue reading “Scientists search for ‘acoustic wilderness’ in the oceans”→
The creation of the world’s largest marine park in the Americas could help rebuild fish stocks off the coast of South America, ocean experts said this week, hailing Chile’s announcement that it will protect 297,518 square kilometers as a no-take zone. With the formation of Nazca-Desventuradas, Chile will now protect 12 percent of its marine surface area
Research voyage begins Aug. 1; scientists say they expect to find new species
FRISCO — Ocean enthusiasts will have a chance to do some armchair exploring the next few months as NOAA scientists deploy unmanned submarines to explore protected areas in the central Pacific Ocean.
Starting Aug. 1, anyone with an internet connection can join the expedition in real time at oceanexplorer.noaa.gov. NOAA’s research ship, the Okeanos Explorer, will visit deeper waters in and around Papahānaumokuākea Marine National Monument in the Northwestern Hawaiian Islands, Johnston Atoll in the Pacific Remote Islands Marine National Monument, and the Hawaiian Islands Humpback Whale National Marine Sanctuary. Continue reading “NOAA to webcast deep-sea explorations”→
‘We should use international waters as the world’s fish bank …’
FRISCO — Growing exploitation of open-ocean resources will soon require the world to rethink the way it manages the high seas, including a potential ban on commercial fishing that would help distribute fisheries income more equitably among the world’s maritime nations, according to research from the University of British Columbia.
After studying fisheries data, the researchers concluded that maintaining or boosting fish stocks in the high seas would help boost coastal fisheries. If increased spillover of fish stocks from protected international waters were to boost coastal catches by 18 per cent, current global catches would be maintained. When the researchers modeled less conservative estimates of stock spillover, catches in coastal waters surpassed current global levels. Continue reading “Is it time to rethink governance of high-seas fisheries?”→
Access to U.S. seafood market at stake for some countries
FRISCO— In a new report to Congress, federal fisheries biologists fingered six countries as still sanctioning pirate fishing. Colombia, Ecuador, Mexico, Nigeria, Nicaragua, and Portugal could all lose certifications from the U.S. because they aren’t doing enough to stop illegal, unreported, and unregulated fishing.