Current Marine Life News and Events | Page 24

Current Marine Life News and Events, Marine Life News Articles.
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Back to the future of climate change
Researchers at Syracuse University are looking to the geologic past to make future projections about climate change. Their research focuses on the ancient Tethys Ocean (site of the present-day Mediterranean Sea) and provides a benchmark for present and future climate and ocean models. (2018-08-09)

Marine mammals lack functional gene to defend against popular pesticide
As marine mammals evolved to make water their primary habitat, they lost the ability to make a protein that defends humans and other land-dwelling mammals from the neurotoxic effects of a popular man-made pesticide. The implications of this discovery, announced today in Science, led researchers to call for monitoring our waterways to learn more about the impact of pesticides and agricultural run-off on marine mammals, such as dolphins, manatees, seals and whales. (2018-08-09)

Loss of a gene long ago puts marine mammals at risk today, as environments change
Ancient loss of gene function across ancestral marine mammal lineages may now be putting modern marine mammals at risk, leaving them defenseless against toxic organophosphates. (2018-08-09)

New species of rare ancient 'worm' discovered in fossil hotspot
Scientists have discovered a new species of lobopodian, an ancient relative of modern-day velvet worms, in 430 million-years-old Silurian rocks in Herefordshire, UK. (2018-08-08)

Models may help reduce bycatch from longline fishing
Hundreds of thousands of sharks, sea birds and other marine species are accidentally killed each year after becoming snagged or entangled in longline fishing gear. Models developed by a Duke-led research team may help reduce the threat by giving regulatory agencies a new tool to predict the month-by-month movements of longline fleets on the high seas and determine where and when by-catch risks are greatest. (2018-08-08)

Researchers say high seas fisheries play limited role in feeding the world
Fishing fleets operating outside of national waters contribute less than 3 percent to the world's seafood supply. This finding goes against the common assertion that high seas fisheries are important for food security. (2018-08-08)

Iron-silica particles unlock part of the mystery of Earth's oxygenation
The oxygenation of Earth's atmosphere was thanks, in part, to iron and silica particles in ancient seawater, according to a new study by geomicrobiologists at the University of Alberta. But these results solve only part of this ancient mystery. (2018-08-07)

The rules of attraction: Scientists find elusive molecule that helps sperm find egg
A recent report in Nature Communications by scientists affiliated with the Marine Biological Laboratory identifies a key molecule driving chemoattraction between sperm and egg cells in marine invertebrates. (2018-08-03)

Clothing, furniture also to blame for ocean and freshwater pollution
Lakes choked with algae and marine 'dead zones' result from too many nutrients in the water. The traditional culprit is agriculture, which relies on fertilizer to boost production. But the production of consumer goods, like clothing, is also a major -- and growing -- contributor. (2018-08-02)

UB researchers discover a disease threatening the most plentiful starfish in Antarctica
A study led by experts from the University of Barcelona's Faculty of Biology and Institute for Research on Biodiversity (IRBio) have identified a disease that is affecting the starfish Odontaster validus, one of the most common species on the Antarctic sea floor. (2018-08-02)

New study shows some corals might adapt to climate changes
New research shows that not all corals respond the same to changes in climate. The University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science-led study looked at the sensitivity of two types of corals found in Florida and the Caribbean and found that one of them - -mountainous star coral -- possesses an adaptation that allows it to survive under high temperatures and acidity conditions. (2018-08-02)

A soft, on-the-fly solution to a hard, underwater problem
Studying the animals that live in the deep ocean is notoriously difficult, especially because the underwater equipment that exists for sampling them is designed for marine oil and gas exploration and frequently damages the delicate creatures they're trying to capture. Now, researchers have created a soft, flexible sampling device that interacts with delicate marine life gently, and can be 3D printed directly on board ships, greatly increasing the variety of animals that can be collected in one expedition and reducing costs and time.  (2018-08-01)

Recreational fisheries pose threat to skittish sea turtles
When recreational scallopers flocked to Florida's Crystal River region, native sea turtles turned tail. Researchers say that sudden behavioral disruption could mean trouble the turtles overall health. (2018-07-31)

Can seagrass help fight ocean acidification?
Seagrass meadows could play a limited, localized role in alleviating ocean acidification in coastal ecosystems, according to new work led by Carnegie's David Koweek and including Carnegie's Ken Caldeira. (2018-07-31)

Study shows ocean acidification is having major impact on marine life
Carbon dioxide emissions are killing off coral reefs and kelp forests as heat waves and ocean acidification damage marine ecosystems, scientists have warned. (2018-07-27)

Japan's iconic extinct mammal: A sleeping treasure in a university collection
After more than 60 years, the bone of an iconic extinct Japanese mammal has been rediscovered by a team of researchers led by the University of Tsukuba. With the help of an old label and local knowledge, two equally possible sites in the town of Tsuchiyu Onsen were identified. The 'dinosaur' bone was discovered during construction of a debris dam and identified as the 15.9-million-year-old femur of Paleoparadoxia, a genus of marine mammals. (2018-07-27)

First mapping of global marine wilderness shows just how little remains
Researchers reporting in Current Biology on July 26 have completed the first systematic analysis of marine wilderness around the world. And what they found is not encouraging; only a small fraction -- about 13 percent -- of the world's ocean can still be classified as wilderness. (2018-07-26)

The last wild ocean
The world's marine wilderness is dwindling, according to research from UCSB and the University of Queensland. (2018-07-26)

World's marine wilderness is dwindling
An international study led by University of Queensland scientists has found that only 13 per cent of the ocean can still be classified as wilderness. Researchers from UQ's School of Biological Sciences and international collaborators identified marine areas devoid of intense human impacts by analysing 19 stressors including commercial shipping, sediment runoff and several types of fishing. (2018-07-26)

Satellite tracking reveals Philippine waters are important for endangered whale sharks
A new scientific study published in PeerJ - the Journal of Life and Environmental Sciences has tracked juvenile whale sharks across the Philippines emphasising the importance of the archipelago for the species. The study is the most complete tracking study of whale sharks in the country, with satellite tags deployed on different individuals in multiple sites. (2018-07-24)

Wave energy converters are not geared towards the increase in energy over the last century
Wave energy converters are designed to generate the maximum energy possible in their location and take a typical year in the location as a reference. Alongside the Irish Centre for Ocean Energy Research, researchers from various UPV/EHU centres have been exploring how ocean energy in Ireland has evolved during the last century. The results reveal an increase of up to 40%, which directly affects the output of the converters. (2018-07-20)

No refuge in the deep for shallow reef ecosystems
Deep water coral reefs are not the places of refuge for shallow reef organisms that some scientists have considered them to be, a new report suggests. (2018-07-19)

Abrupt cloud clearing events over southeast Atlantic Ocean are new piece in climate puzzle
Although clouds grow and dissipate all of the time, scientists think that low-lying clouds off the coast of subtropical Africa are being disrupted not simply by wind from the continent, but rather by a wave mechanism. For climate models, the way the clouds are being disrupted could make a big difference. (2018-07-19)

Learning from 'Little Monsters'
By studying deep and shallow water zones of streams and their resident invertebrates, researcher reveals mysteries of fresh water life. (2018-07-19)

Lateral gene transfer enables chemical protection of beetles against antagonistic fungi
An international team of researchers has discovered that bacteria associated to Lagria villosa beetles can produce an antifungal substance very similar to one found in tunicates living in the marine environment. The researchers revealed that this commonality is likely explained by the transfer of genes between unrelated microorganisms. (2018-07-18)

Novel approach studies whale shark ages the best way -- while they are swimming
A new study of whale sharks, using a novel approach to gathering data, shows these endangered animals can live longer and grow larger than previously believed. (2018-07-18)

Global study of world's beaches shows threat to protected areas
A first-of-its-kind survey of the world's sandy shorelines with satellite data found that they have increased slightly on a global scale over the past three decades but decreased in protected marine areas, where many beaches are eroding. (2018-07-18)

Study first to confirm where baby white sharks 'hang out' in the North Atlantic
A team of scientists is the first to confirm the movement patterns and seasonal migrations of baby white sharks in the north Atlantic Ocean. They put the New York Bight shark nursery theory to test by deploying satellite and acoustic tags on 10 baby white sharks (less than 1 year old) off Long Island's coast. Results provide novel insights into the distribution of this vulnerable early stage of life that complements recent work on larger white sharks. (2018-07-18)

Great Barrier Reef not bouncing back as before, but there is hope
The Great Barrier Reef is losing its ability to recover from disturbances, but effective local management could revive its capacity to bounce back. (2018-07-18)

Origami-inspired device helps marine biologists study aliens
Scientists have tried to find the safest and most effective ways to explore marine life in the oceanic water, the largest and least explored environment on Earth, for years. Each time, they were faced with the same challenge: How to capture delicate or gelatinous pelagic animals -- like jellyfish, squid, and octopuses -- without harming them? An origami-inspired device may change that. (2018-07-18)

Newly discovered shark species honors female pioneer
The 'Shark Lady,' Mote Marine Lab founder Eugenie Clark, has received the ultimate ichthyologist honor: having a new species of shark, Squalus clarkae, named after her. (2018-07-17)

Better methods improve measurements of recreational water quality
The concentration of enterococci, bacteria that thrive in feces, has long been the federal standard for determining water quality. Researchers have now shown that the greatest influences on that concentration are the quantity of mammalian feces in the water, and the numbers of enterococci that glom onto floating particulate matter. (2018-07-13)

Study finds deep subterranean connection between two Japan volcanoes
Scientists have confirmed for the first time that radical changes of one volcano in southern Japan was the direct result of an erupting volcano 22 kilometers (13.7 miles) away. The observations from the two volcanos -- Aira caldera and Kirishima -- show that the two were connected through a common subterranean magma source in the months leading up to the 2011 eruption of Kirishima. (2018-07-13)

Mapping species range shifts under recent climatic changes
The inclusion of taxon-specific sensitivity to a shifting climate helps us understand species distributional responses to changes in climate. (2018-07-12)

Moving fish farms enables seagrass meadows to thrive, study shows
Off the coast of Cyprus in the Mediterranean Sea, many fish farms have been moved into deeper waters -- and on the seabeds beneath their previous locations, the meadows are flourishing once again. (2018-07-12)

The secret life of lobster (trade): Could we be in hot water?
In today's hyper-connected world, a growing number of nations are acting as 'middlemen' in the seafood supply chain. This makes it increasingly difficult to trace where seafood goes and difficult to anticipate changes in market demand. (2018-07-11)

Strategy for 'No-Mining Zones' in the Deep Sea
An international team of researchers has developed a comprehensive set of criteria to help the International Seabed Authority (ISA) protect local biodiversity from deep-sea mining activities. These guidelines should help identify areas of particular environmental importance where no mining should occur. The new ecological framework is a set of 18 quantitative metrics to assess whether the number, shapes, sizes and locations of proposed zones will be sufficient to protect threatened habitats and species. (2018-07-10)

LED lights reduce seabird death toll from fishing by 85 percent, research shows
Illuminating fishing nets with low-cost lights could reduce the terrible impact they have on seabirds and marine-dwellers by more than 85 percent, new research has shown. (2018-07-10)

The sea anemone, an animal that hides its complexity well
Despite its apparent simplicity -- a tube-like body topped with tentacles -- the sea anemone is actually a highly complex creature. Scientists from the Institut Pasteur, in collaboration with the CNRS, have just discovered over a hundred different cell types in this small marine invertebrate as well as incredible neuronal diversity. This surprising complexity was revealed when the researchers built a real cell atlas of the animal. (2018-07-09)

Oxygen levels on early Earth rose, fell several times before great oxidation even
Earth's oxygen levels rose and fell more than once hundreds of millions of years before the planetwide success of the Great Oxidation Event about 2.4 billion years ago, new research from the University of Washington shows. (2018-07-09)

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