Dolphin Diet Study Gives Conservation Clues

2018-01-23T13:43:07+00:00 January 23, 2018|

(Credit: Getty Images) Wild dolphins need up to 33,000 calories a day, researchers have found - equivalent to about 60 portions of salmon. In contrast, Olympic swimmers - who are smaller and less active - burn about 12,000 calories a day during training. (From BBC News/ By Helen Briggs) -- Studying the metabolic rates of [...]

Temporary ‘Bathtub Drains’ In The Ocean Concentrate Flotsam

2018-01-23T13:29:45+00:00 January 23, 2018|

An experiment featuring the largest flotilla of sensors ever deployed in a single area provides new insights into how marine debris, or flotsam, moves on the surface of the ocean. (From Science Daily) -- The experiment conducted in the Gulf of Mexico near the site of the Deepwater Horizon oil spill placed hundreds of drifting [...]

Research Aims To Predict Algae Blooms On Lakes, Rivers

2018-01-19T17:09:45+00:00 January 19, 2018|

(Credit: AP Photo/ John Minchillo) There's a whole network of satellites, underwater robots and scientific tools watching for toxic algae on Lake Erie. But when it comes to predicting where and when harmful blooms will show up on the Ohio's rivers and reservoirs, there's still a lot of mystery. (From US News/ By [...]

Fish In Protected Areas Found 4 Times More Than Elsewhere

2018-01-19T17:07:57+00:00 January 19, 2018|

(Credit: Octavio Aburto/ Scripps Institution of Oceanography) An international team of researchers has found that the fish population in marine protected areas (MPAs) is more abundant when compared to that in the outside habitat. (From International Business Times/ By ​Rahul K R) -- The researchers used hydroacoustics technology to find that the [...]

Unusual Weather Accelerates Arctic Sea Ice Loss

2018-01-18T17:56:12+00:00 January 18, 2018|

(Credit: NASA/Goddard Space Flight Center) New research suggests weather anomalies are to blame for intense periods of accelerating Arctic sea ice loss. (From UPI/ By Brooks Hays) -- While research has confirmed links between global warming, rising Arctic temperatures and ongoing sea ice loss, variability remains. A pair of new studies conducted [...]

The Squid That Sink To The Ocean’s Floor When They Die

2018-01-18T17:39:07+00:00 January 18, 2018|

(Credit: Monterey Bay Aquarium Research Institute) While the lives of squid are mysterious in many ways, one gruesome truth is that after mating comes death. First the male dies. Next the female, after making a little pouch of eggs, begins to starve. (From The New York Times/ By Veronique Greenwood) -- “She is [...]

Drones Are A New Tool For Duke, UNC Scientists. And They Found Oodles Of Sea Turtles

2018-01-18T12:46:08+00:00 January 18, 2018|

(Credit: Vanessa Bézy/ UNC-Chapel Hill) Scientists from Duke University and UNC-Chapel Hill have found a powerful new weapon for counting elusive sea turtles: camera-equipped drones. (From Charlotte Observer/ By Bruce Henderson) -- A drone equipped with a high-resolution digital camera with near-infrared vision helped researchers document hundreds of thousands of olive ridley sea turtles [...]

Member Highlight: Not Even Foul Weather Can Stop Tiger Shark’s 37,565 Mile Journey

2018-01-18T13:15:14+00:00 January 16, 2018|

(Credit: Business Wire) Not freezing temperatures or nor’easters or Hurricanes Harvey, Irma, Jose or Maria can stop “Andy,” a tiger shark tagged in Bermuda by scientists from Nova Southeastern University’s (NSU) Guy Harvey Research Institute (GHRI) in 2014.  (From Business Wire) -- Travelling approximately 37,565 miles off the eastern coast of the United States and around Bermuda, [...]

99% of These Sea Turtles Are Turning Female—Here’s Why

2018-01-16T10:16:02+00:00 January 16, 2018|

The turtle wranglers landed on Ingram Island thinking about sex and heat. Pacific green sea turtles spend years cruising this northern Australia feeding ground, fattening up on sea grasses before heading to nesting areas to mate and lay eggs. (From National Geographic/ By Craig Welch) -- The scientists simply wanted to know: which of these reptiles were male [...]

Natural Disasters Cost U.S. A Record $306 Billion Last Year

2018-01-16T10:12:00+00:00 January 16, 2018|

With three devastating hurricanes, extreme wildfires, hail, flooding, tornadoes and drought, the United States tallied a record high bill last year for weather-related disasters: $306 billion. The U.S. had 16 disasters last year with damage exceeding a billion dollars each, the National Oceanic and Atmospheric Administration (NOAA) reported Monday. (From CBS News) -- That ties 2011 for the number [...]

El Nino’s Long Reach To Antarctic Ice

2018-01-16T10:06:42+00:00 January 16, 2018|

Antarctica may be thousands of kilometres from the central Pacific but events there can have a significant effect on the White Continent's ice. (From BBC News/ By Jonathan Amos) -- Scientists have shown how ice shelves - the floating fronts of marine-terminating glaciers - respond to the El Niño phenomenon. The warming of tropical eastern [...]

Megalodon Ancestor: Fossil Teeth Link Beast To Earth’s Largest Shark

2018-01-16T10:20:42+00:00 January 16, 2018|

It took nearly 40 years, but researchers have finally collected enough fossil teeth in Alabama to properly identify a previously unknown species of ancient shark — one that was a possible ancestor of megalodon, the largest shark to ever exist. (From Live Science/ By Laura Geggel) -- The newly identified mega-toothed shark lived about 83 million [...]

Coral Countdown: Groundbreaking Study Finds Time’s Up To Save Reefs

2018-01-09T16:36:17+00:00 January 9, 2018|

(Credit: Reinhard Dirscherl Getty Images) Remember the cold War-era Doomsday Clock that counts down the minutes to midnight and nuclear Armageddon? It’s time for a Coral Clock. (From Oceans Deeply/ By Todd Woody) -- A first-of-its-kind study published Thursday has found that the coral bleaching phenomenon that devastated reefs worldwide in 2015–2016 is now the new normal, accelerating at a rate that [...]

New Report Calls For Research To Better Understand, Predict Gulf Of Mexico’s Loop Current System

2018-01-09T17:07:00+00:00 January 9, 2018|

(Credit: Mark Schleifstein) A new report from the National Academies of Sciences, Engineering, and Medicine calls for an international, multi-institutional comprehensive campaign of research, observation, and analysis activities that would help improve understanding and prediction of the Gulf of Mexico's Loop Current System (LCS).  (From Science Daily) -- The position, strength, and structure [...]

Could Slower Ships Help The Orcas?

2018-01-16T11:17:50+00:00 January 9, 2018|

(Credit: Dave Ellefrit/ Center for Whale Research) To the human eye, big ships cruising along the west side of San Juan Island this summer might have looked like they were traveling in slow motion. To the perceptive ears of killer whales, those same ships might have sounded a little bit quieter. (From Oregon [...]

New Coral Sowing Method Could Inspire Large-scale Reef Restoration

2018-01-05T17:24:27+00:00 January 5, 2018|

(Credit: SECORE International / Valérie Chamberland) Researchers with the nonprofit SECORE International have developed a new technique for planting coral. The method could enable reef restoration efforts at larger scales. (From By Brooks Hays) -- Currently, the process of replanting reefs is labor-intensive. Divers plant coral larvae or coral fragments individually. [...]

Member Highlight: New Study Identifies Thermometer For Global Ocean

2018-01-08T15:47:05+00:00 January 5, 2018|

(Credit: Jay Johnson/ IDDO) There's a new way to measure the average temperature of the ocean thanks to researchers at Scripps Institution of Oceanography at the University of California San Diego. In an article published in the Jan. 4, 2018, issue of the journal Nature, geoscientist Jeff Severinghaus and colleagues at Scripps Oceanography [...]

Low Ocean Oxygen Levels Causing Large-Scale Death Of Marine Life

2018-01-05T17:25:27+00:00 January 5, 2018|

(Credit: Arcadio Castillo/ Smithsonian) New research has found that in the past 50 years, the amount of ocean areas with zero oxygen has gone up more than fourfold. Low-oxygen sites, as they are called, are regions where water has lost its usual oxygen levels. In coastal water bodies, low-oxygen sites have increased 10-fold [...]

Erosion May Transform The Arctic Food Chain

2018-01-05T10:59:47+00:00 January 5, 2018|

As climate change continues to grip the Arctic—causing the oceans to rise, permafrost to thaw and sea ice to melt—scientists believe they've discovered an unexpected consequence of the shifting landscape. Changes along the coastline are altering the composition of the Arctic Ocean, in ways that could fundamentally transform the local food chain. (From Scientific [...]

The Caribbean Is Stressed Out

2018-01-03T17:50:22+00:00 January 3, 2018|

(Credit: Karen Koltes) Forty percent of the world's 7.6 billion people live in coastal cities and towns. A team including Smithsonian marine biologists just released 25 years of data about the health of Caribbean coasts from the Caribbean Coastal Marine Productivity Program (CARICOMP).  (From Science Daily) -- The study provides new insights into [...]

Beach Crawling Doesn’t Tire Out Baby Sea Turtles

2018-01-02T15:03:23+00:00 January 2, 2018|

When baby sea turtles hatch on a beach at night, their instinct is to head to the sea. The beach slopes down, which is one directional clue they follow. Another is light: The horizon over the sea is brighter than the horizon over land. (From New York Times/ By James Gorman) -- But lights from [...]

In Memoriam: M. Grant Gross Jr.

2018-01-02T14:51:48+00:00 January 2, 2018|

M. Grant Gross Jr., a retired oceanographer and former director of the Chesapeake Bay Institute, died Dec. 17 at the Heron Point retirement community in Chestertown of heart disease. The former longtime resident of the city’s Tuscany-Canterbury neighborhood was 84. (From Baltimore Sun / By Frederick N. Rasmussen) -- “Grant was a steady hand at the helm [...]

Marine Robots Detect Whales In The Deep Ocean

2017-12-29T10:31:40+00:00 December 29, 2017|

(Credit: University of East Anglia) Scientists at the University of East Anglia have been recording the sounds made by whales and porpoises off the coast of northern Scotland – using a fleet of pioneering marine robots. (From -- From the metallic clicks of deep-diving sperm whales to the eerie whistles made by pods of [...]

Marine Turtles Dying After Becoming Entangled In Plastic Rubbish

2017-12-29T10:20:50+00:00 December 29, 2017|

(Credit: Olive Ridley Project) Hundreds of marine turtles die every year after becoming entangled in rubbish in the oceans and on beaches, including plastic ‘six pack’ holders and discarded fishing gear. The rise in plastic refuse in the ocean and on beaches is killing turtles of all species, with a disproportionate impact on [...]

Statistical Modeling Helps Fisheries Managers Remove Invasive Species

2017-12-20T16:59:05+00:00 December 20, 2017|

(Credit: South Dakota State University) Reeling in a big fish and discovering it's a common carp is often a disappointing experience for anglers. "They're an invasive species," explained South Dakota State University fisheries scientist Michael Brown. One of the primary methods of reducing the abundance of such invasive species is to physically [...]

Columbia Engineers Develop Floating Solar Fuels Rig For Seawater Electrolysis

2017-12-20T16:36:53+00:00 December 20, 2017|

(Credit: Justin Bui / Columbia Engineering) Design is the first practical floating solar hydrogen-generating device to perform water electrolysis without pumps or membranes; could lead to low-cost, sustainable hydrogen production. (From Columbia University) -- In a single hour, more energy from the sun hits the Earth than all the energy used by humankind [...]

Unlocking Marine Mysteries With Artificial Intelligence

2017-12-20T16:03:21+00:00 December 20, 2017|

(Credit: John Freidah) Each year the melting of the Charles River serves as a harbinger for warmer weather. Shortly thereafter is the return of budding trees, longer days, and flip-flops. For students of class 2.680 (Unmanned Marine Vehicle Autonomy, Sensing and Communications), the newly thawed river means it’s time to put months [...]

Warmer, Wetter Climate Could Mean Stronger, More Intense Storms

2017-12-20T15:54:00+00:00 December 20, 2017|

(Credit: Kristen Rasmussen/NCAR) How would today's weather patterns look in a warmer, wetter atmosphere -- an expected shift portended by climate change? (From Science Daily) -- Colorado State University researcher Kristen Rasmussen offers new insight into this question -- specifically, how thunderstorms would be different in a warmer world. The assistant professor of [...]

Salmon Help Their Offspring By Dying On The Spawning Grounds

2017-12-20T15:37:30+00:00 December 20, 2017|

Spawning salmon that die after migrating home actually do their offspring a favor. The study, published today in Ecology Letters, found that by dying, the decaying bodies of the salmon fertilize the stream and create an environment which favors the growth of the young fish and maintains their genetic diversity. (From -- Spawning salmon migrate [...]

Achieving Sustainable Resource Use Attainable Through Science Of Cooperation

2017-12-20T15:22:59+00:00 December 20, 2017|

(Credit: Robert F. Bukaty/AP) A new theory explains how societies can achieve environmental sustainability by nurturing cooperation. It is detailed in a series of articles recently published in a special issue of the journal Sustainability Science. (From Science Daily) -- The theory was developed by Tim Waring, associate professor in the School of Economics [...]

Mixed Reviews From Stakeholders On National Ocean Policy

2017-12-18T16:32:51+00:00 December 18, 2017|

(Credit: U.S. Department of Interior) What It Was The Senate Commerce, Science, and Transportation Subcommittee on Oceans, Atmosphere, Fisheries, and Coast Guard, held an oversight hearing titled “National Ocean Policy: Stakeholder Perspectives.” Why It Matters The ocean is a vast resource used in a multitude of ways (e.g. commercial fishing, recreational activities, [...]

Member Highlight: Threatened Sea Turtles In Hawaii Losing Ground To Rising Oceans

2018-01-02T13:47:29+00:00 December 18, 2017|

(Credit: Thomas Shahan) Protecting coastal homes and businesses from the crashing waves of the sea may eliminate beach habitat for the threatened Hawaiian green sea turtle. (From By Alex Fox)-- Known as honu by Hawaiians, the Hawaiian green sea turtle (Chelonia mydas) is classified as threatened under the U.S. Endangered Species Act [...]

The Public Fear Sharks Less When They Understand Their Behaviour

2017-12-15T13:27:27+00:00 December 15, 2017|

(Credit: University of Sydney) Researchers surveyed more than 500 visitors to an aquarium 'shark tunnel' to understand how attitudes to sharks and government shark policies can change. An experiment involving more than 500 visitors to an aquarium 'shark tunnel' has shown the public's fear of sharks reduces when they learn about the species [...]

The Earth Is Humming—Here’s What It Means

2017-12-15T12:10:20+00:00 December 15, 2017|

Ocean floor. (Credit: Paul Nicklen, National Geographic Creative) Our blue planet spins suspended in outer space—and it hums, too. European researchers say the Earth's incessant hum originates from the bottom of the ocean. This study, published by researchers from the Paris Institute of Global Physics in the journal Geophysical Research Letters in November, gleans material from ocean-bottom seismometer [...]

Arctic Report Card: Permafrost Thawing At A Faster Pace

2017-12-13T13:41:31+00:00 December 13, 2017|

Permafrost in the Arctic is thawing at a faster clip, according to a new report released Tuesday. Water is also warming and sea ice is melting at the fastest pace in 1,500 years at the top of the world. (From ABC News/ By Seth Borenstein) -- The annual report released Tuesday by the National Oceanic and Atmospheric [...]

Dolphin, Bear Studies Have Paved The Way To Improved Population Forecasting

2017-12-13T13:30:06+00:00 December 13, 2017|

A new article by a UNSW Sydney-led team challenges the validity of current methods for forecasting the persistence of slow-growing species for conservation purposes, and provides a better approach to reducing the threat of extinction. (From Science Daily) -- Previous research on wild dolphins in Australia and wild bears in North America has revealed that [...]

World-first Uses Satellites And Ocean Models To Explain Antarctic Seafloor Biodiversity

2017-12-12T12:50:53+00:00 December 12, 2017|

Under-ice seafloor community in O'brien Bay showing a diverse community of marine invertebrates. (Credit: Jonny Stark/Australian Antarctic Division) In a world-first, a research team of Australian and international scientists has used data collected by satellites and an ocean model to explain and predict biodiversity on the Antarctic seafloor. (From -- The researchers [...]

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