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Big oil companies want to drill where most of the world’s narwhals live, in the Canadian Arctic 

The tiny Clyde River community in the Canadian Arctic is under threat: oil companies have been given the green light to start looking for oil in Baffin Bay.

This involves firing deafening explosions through the ocean. The noise from these explosions could be catastrophic for most of the world’s narwhal population, who also call Clyde River home.

The explosions can disrupt narwhals' migration paths and calving areas, cause permanent hearing loss and even lead to death. 

The narwhal, or narwhale (Monodon monoceros) is a toothed whale in the same family as the beluga whale.

https://secure.greenpeace.org.uk/page/speakout/clyde-river
#greenpeace   #marineconservation   #whales  
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Belize scuba diving
Belize's most famous dive site is the Blue Hole, currently ranked the sixth best dive in the world (http://www.scubatravel.co.uk/topdives.html). However, many people think some of Belize's lesser-known dives are even better.
 
Diving in Belize
Belize's most famous dive site is the Blue Hole, currently ranked the sixth best dive in the world. However, some people think that Belize has other even better dives.

You can dive all year round in Belize but the best time for diving is between April and June. The rainy season is from June to November, but showers are generally short and the visibility at offshore sites isn't usually affected. March, October and November can be windy.

Belize boasts the largest barrier reef in the Northern hemisphere, and the second largest reef system in the world. It was inscribed as a UNESCO World Heritage Site in 1996 and is comprised of seven protected areas; Bacalar Chico National Park and Marine Reserve, Blue Hole Natural Monument, Half Moon Caye Natural Monument, South Water Caye Marine Reserve, Glover's Reef Marine Reserve, Laughing Bird Caye National Park and Sapodilla Cayes Marine Reserve. Outside of the reef complex the heritage site contains three atolls; Turneffe Island, Lighthouse Reef and Glover's Reef. 

More on the dives in Belize at http://www.scubatravel.co.uk/americas/belize-diving.html
#belize   #scuba   #scubadive  
Photo: Jayhem (Ocean Brain) [CC-BY-SA-2.0]
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Go for it!
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Striking photo by +Robert Rath 
 
Scenes like this are one of Rapid Bay's major attractions and much easier to experience than finding Leafy Seadragons or nudibranchs.

Here in the 'T-Section' of the old jetty you can drift between the sponge encrusted tree-like pylons and look up at schools of Old Wives, Yellowtail, Bullseyes and Leatherjackets.

On a clear day like this there is no better shore dive within a couple hours drive of Adelaide.

On poor visibility days its best to just go hunting for Leafy Seadragons and Nudibranchs.

Photo: Robert Rath, 'Sponge Trees', 1/125s f/7.1 ISO320 15mm

... more at http://wetshutter.com

#rapidbay #jetty #oldwife #southaustralia #underwater #scuba #diving #school #fish #pylons #enoplosusarmatus
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That is so cool awesome job 
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Citizen science helps track sharks

Whale sharks are generally thought of as denizens of tropical waters. But in July 2014 someone in New Jersey saw a whale shark and reported it to Wildbook for Whale Sharks, which collects reports, pictures, and video of animals that people encounter on their travels.Share on ema

This surprised Jason Holmberg, information architect for Wild Me, the platform behind Wildbook for Whale Sharks.

 "We had no idea [whale sharks] went that far north, [and] there were no pictures to confirm it." Then Holmberg found a corroborating video of the same big fish off Sandy Hook, New Jersey, on YouTube.

That's just one example of how enlisting input from a network of volunteer citizen scientists expands the reach of a project, sometimes beyond what scientists can imagine.
 
Even with advanced technology like satellite tags and camera traps, experts still need help tracking elusive species on the move—and citizen science can fill in the gaps. Find out how.
See a whale shark on your Florida vacation? You could join a network of people who upload their pictures and video to databases that help wildlife biologists do their work.
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International collaboration aims to launch eco-friendly ships
Research collaboration will address the emission of harmful gases like sulphur oxides (SOx), nitrous oxides (NOx), particulate matter and greenhouse gases - in particular CO2 - from ships' heavy fossil fuel burning combustion engines.
http://www.theengineer.co.uk/news/international-collaboration-aims-to-launch-eco-friendly-ships/1019771.article
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Anyone dived in Saudi Arabia?
Journalist needs info..."I'm particuarly interested in Saudi Arabia - how does the diving there compare to elsewhere in the region? Is it a popular destination? What are the concerns most have?"
#scuba   #KSA   #saudiarabia  
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thank


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Four sharks were taught to choose a triangle, and received a small piece of food for pressing their nose on the triangle. The other four sharks were taught to always recognise a square, and were similarly rewarded. 

 Up to 50 weeks later, almost all the sharks still remembered which shape to select. 

A year is a lot longer than many other animals’ ability to remember training. It’s a long time not only for fish, but places gray bamboo sharks in fierce competition with birds such as crows, and even primates, such as humans.
#shark  
 
Sharks can remember for a year - Sharks can be taught to recognise shapes, and optical illusions, and remember them for much longer than expected http://bbc.in/1LzZ5eD
Sharks can be taught to recognise shapes, and optical illusions, and remember them for much longer than expected
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Thresher shark giving birth. via +Hollywood Divers 
 
This rare image showing the birth of a thresher shark casts new light on the lives of these elusive, vulnerable fish.
http://bbc.in/1A8d4Co
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Awesome pic to know that new life is going on 
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Green Turtles sunbathe on beaches, but maybe not for much longer
Naturalists as early as Darwin observed beach basking in green turtles (Chelonia mydas). It helps the threatened animals regulate their body temperatures and may help their digestion and immune systems. But warming seas may make sunbathing on the beach a thing of the past for Green Turtles
 
Warming oceans stop Green Turtles basking on the beach
Green sea turtles may stop basking on Hawaiin beaches in fewer than 25 years, a new study suggests.

Naturalists as early as Darwin observed beach basking in green turtles (Chelonia mydas). It helps the animals regulate their body temperatures and may help their digestion and immune systems.

After analysing 24 years of data, researchers found the turtles bask less often when sea surface temperatures rise.

If global warming continues, they may stop basking altogether.

The cut-off point for Green Turtles is 23 °C at the sea surface. Warmer than this and they don’t need to get out to get warm.

Not all green turtles bask on land. Though the turtles are found in tropical and subtropical oceans around the world, beach basking has only been observed in Hawaii, the Galapagos Islands and Australia. Sea surface temperatures at these sites have been observed to be warming at three times the global average rate.

http://news.scubatravel.co.uk/warming-seas-stop-turtles-basking.html
#turtles   #sealife  
Photo: Tim Nicholson
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What the oceans do for us: medicine from the sea
Take away the pain with… venom?!
The humble snail.  Not the most exciting of creatures you would think.  Cone snails (Conus) are a genus of marine snails…marine snails that hunt.  Predating on worms, small fish and molluscs these slow-moving hunters are equipped with a toxic harpoon.  One speared, their prey is paralyzed and slowly but surely the cone snail can make its way over and feast.  It’s not all pain though, as a paper by Dr Fedosoc from the Russian Academy of Sciences and colleagues points out.  It seems that the toxins have another use too – the development of pain killers. 

Just a word of warning if you do come across a cone snail.  They will have a go at humans too.  Most species will just sting you badly, but some can kill! 

Read more at http://news.scubatravel.co.uk/oceans-medicine.html
by +Sam Andrews 
#scubanews   #conesnails   #oceans  
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Bigeye Trevally (Caranx sexfasciatus)
ギンガメアジ
Sipadan, East Malaysia
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Loggerhead turtles leave the beach where they were born and cross entire oceans before returning to nest, at regular intervals, on the same stretch of coastline as where they started. They do this with an imprinted magnetic map, according to new research.
#turtles   #sealife   #scubanews  
 
Loggerhead turtles home in on nests magnetically
Female turtles find their way back to nesting beaches by looking for unique magnetic signatures along the coast, according to a new study published in Current Biology.

Loggerhead turtles, for example, leave their natal beaches as hatchlings and traverse entire ocean basins before returning to nest, at regular intervals, on the same stretch of coastline where they were born. How sea turtles accomplish this natal homing has remained an enduring mystery until now.

Several years ago, Kenneth Lohmann, the co-author of the new study, proposed that animals including sea turtles and salmon might imprint on magnetic fields early in life, but that idea has proven difficult to test in the open ocean.

In the new study, Brothers and Lohmann took a different approach by studying changes in the behavior of nesting turtles over time. The researchers analysed a 19-year (1993–2011) database of loggerhead nesting sites on the Atlantic coast of Florida, an area encompassing the largest sea turtle rookery in North America.

Their analyses confirmed the predictions of the geomagnetic imprinting hypothesis. In some times and places, the Earth's field shifted so that the magnetic signatures of adjacent locations along the beach moved closer together. When that happened, nesting turtles packed themselves in along a shorter stretch of coastline, just as the researchers had predicted.

In places where magnetic signatures diverged, sea turtles spread out and laid their eggs in nests that were fewer and farther between.

Turtles are long lived, and females undertake reproductive migrations periodically throughout their adult lives. Thus, the population of turtles that migrate to a given beach to nest each year consists of two subsets: a group of first-time nesters, and another, typically larger group of older “re-migrants” that have nested in the area during previous years.

Sea turtles likely go to great lengths to find the places where they began life because successful nesting requires a combination of environmental features that are rare: soft sand, the right temperature, few predators, and an easily accessible beach.
http://news.scubatravel.co.uk/loggerhead-turtles-home-nests-magnetically.html
#turtle   #science   #marinebiology  
photo credit: Matt Kieffer [CC BY-SA 2.0]
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write toutle is like the local people in contoy mexico we  ID this marine tourtle. is a local name.
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Established 2000, SCUBA Travel provides information and reviews on dive sites and dive operators in over 90 countries, from Argentina to West Papua. Browse our list of the best 100 dive sites in the world (how many have you dived?) and read our diving travel articles. We're here to help you plan your next dive trip.

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