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Elephant seals measure oxygen content of ocean
Female elephant seals are monitoring dissolved oxygen in the ocean.

Diving almost continuously at great depth during most of the year, and covering large distance through remote areas of the Southern Ocean, Kerguelen elephant seals have proved to be a great alternative to other instruments for monitoring the oceans. The seal-derived measurements of oceanic dissolved oxygen give better results than other methods, according to new research.

The current decline in dissolved oxygen concentration within the oceans indicates the effect of climate change on the sea. However the impact of its declining on marine life and ecosystems’ health is still quite unclear because of the difficulty in obtaining data, especially in remote areas like the Southern Ocean. French scientists are therefore using Southern elephant seals to monitor oxygen, temperature and salinity.

The scientists – Bailleul, Vacquie-Garcia and Guinet – attached sensors to five elephant seals. These seals delivered essential information about the water properties and reinforced the relationship between marine ecology and oceanography.

More at http://news.scubatravel.co.uk/elephant-seals-measure-oxygen-content-of-ocean.html
#scubanews   #animals  
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Robot technology to measure whales and dolphins
Two robotic vehicles will work together over the next three weeks to investigate why the Celtic deep area of the Celtic sea is particularly attractive to marine predators like dolphins and whales.

The Celtic Sea contains known hotspots for marine animals, including the Fin Whale and the globally threatened Balearic Shearwater. However, greater densities of observations are needed to better understand why these animals are attracted to such ‘spots’ in the ocean.

Professor Russell Wynn, who is co-ordinating the research, says “The two vehicles on this mission are bristling with novel sensors that will act as our eyes and ears in the water, observing and detecting seabirds and marine mammals. The vehicles will also be continuously collecting data about weather conditions at the sea surface, as well as the temperature and salinity of the water column, and the distribution and abundance of plankton and fish prey.”
http://news.scubatravel.co.uk/robot-technology-to-measure-marine-wildlife.html
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Ocean Art Underwater Photography Contest now Open
The Underwater Photography Guide is now accepting entries for the 5th annual Ocean Art competition. Prizes worth over 75000 dollars are on offer in 15 categories giving underwater photographers of all levels a chance to win.

For the less experienced photographers there are novice, compact camera and mirrorless camera categories. More advanced underwater photographers can enter the wide-angle, macro, marine life portraits and marine life behaviour options. More unusually, this competition also features categories of supermacro, cold or temperate water and nudibranchs.

Lots of you are great photographers - so why not enter?
Read more at
http://news.scubatravel.co.uk/ocean-art-photo-competition.html
#underwaterphotography   #scuba  
The Underwater Photography Guide is now accepting entries for the 5th annual Ocean Art competition. Prizes worth over 75000 dollars are on offer in 15 cate
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Issue 182 of SCUBA News now up at 
http://www.scubatravel.co.uk/scuba-news182.html
#scubanews  
Lionfish is creature of the month; diving Bali, Hurghada, Thailand and the Maldives; marine environment and scuba news from around the world.
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+Catalina Island Marine Institute (CIMI) Yes they've taken some fabulous shots
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Does anyone have any information on Chikarma Diving, Gozo? One of our readers is having increasing issues in getting hold of them to obtain final details of her diving trip, " they don't answer emails, telephone calls and the recorded delivery letter I sent has not been delivered. Is anyone is aware of whether they do or do not exist?

Comment below if you've any info.

Thanks
#Gozo   #Malta   #scuba  
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Diving Indonesia - which dive centre to choose?
Read divers' reviews at 
http://www.scubatravel.co.uk/indonesia/diving-indonesia.html

Indonesia comprises over 17000 islands lying between the Indian and Pacific Oceans: it is the world's largest archipelago. Six thousand of these islands are inhabited. In area, Indonesia is the fifteenth biggest country in the world.

Indonesia is in the coral triangle, so called for the many different species of hard coral found here. Indeed the coral triangle holds 75% of all the world's species of coral.1 Here nutrient-rich currents from the Pacific and Indian oceans collide, providing planktonic food for corals, fish larvae and giant filter feeders like manta rays.

There are eight major islands and island groups in Indonesia. These are Sumatra and the Greater Sunda Islands, Java, Kalimantan (Borneo), Sulawesi (Celebes), West Papua (which features Raja Ampat), the Molluccas, the Lesser Sundas (Nusa Tengarra) and Bali. Wherever you choose to go, find the best rated diving operators at 
http://www.scubatravel.co.uk/indonesia/diving-indonesia.html
#scubatravel   #indonesia   #diving  
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Divers cause coral disease and damage - it's official
SCUBA diving and snorkelling are amongst the fastest growing tourism sectors. The increasing numbers mean many more people are aware of the beauty and importance of the marine environment, but also puts a great strain on the coral. Not only is it damaged by inexperienced divers kicking it and pollution from boats and hotels, research also shows that coral is much more likely to become diseased in highly dived areas.

Australian and Thai researchers Joleah Lamb, James Trued, Srisakul Piromvaragornc and Bette Willis compared levels of coral diseases at high and low use dive sites around the area of Koh Tao in Thailand. The scientists surveyed 10,499 corals at ten dive sites around the island. They found twice as many healthy corals at little-dived sites (79%) as they did at the more popular dive areas (45%).

They also found a three-fold increase in coral disease at high-use sites, as well as significant increases in sponge overgrowth, physical injury, tissue death from sediment and abnormally pigmented coral tissues.

Injured corals were more susceptible to “skeletal eroding band disease” only at high use sites, suggesting that the extra stress placed on corals by lots of divers increases the development of disease.

Perhaps even more worrying, divers kicking up sediment was “suffocating” coral tissue leading to its death. And this was was strongly associated with the prevalence of a devastating group of coral diseases – the so-called white syndromes – across all the sites studied.

With better management the coral could be better protected. For example limiting the number of dive operators visiting each dive site at the same time and reducing the pollution entering the water from boats would reduce the stress on the corals.

http://news.scubatravel.co.uk/divers-cause-coral-disease-damage.html

#Thailand   #coral  
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Scuba News  - 
 
Issue 182 of SCUBA News now up
Lionfish is creature of the month (great guest article by +Steven Rogers) ; diving the Maldives,  Hurghada, Bali, Thailand; and the diving news from around the world.
http://www.scubatravel.co.uk/scuba-news182.html
Photos: Tim Nicholson, The High Fin Sperm Whale [CC BY-SA 3.0], Paula Whitfield 
#scubanews  
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Welcome Bali Hai Diving Adventures to the SCUBA Travel site
They dive all year round in Bali, Nusa Lembongan and Nusa Penida. 
http://www.scubatravel.co.uk/indonesia/diving-bali.html#dive-centres
#scubatravel   #Bali   #Indonesia  
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+GonnaDive Thanks
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Divers urgently campaign to save lifeboat station

5658 people sign petition to keep lifeboat in popular diving area.

St Abbs, in the south east of Scotland, is a popular diving destination and has been a Voluntary Marine Reserve since 1984. Now its lifeboat station is due to be closed in September of this year, which is of great concern for divers.

More at http://news.scubatravel.co.uk/divers-urgently-call-to-save-st-abbs-lifeboat.html
Photo credit: Cheesladder [CC BY 3.0]
#diving    #scubadiving   #scubanews  
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Indo-Pacific Diving Reviews  - 
 
Diving Thailand - The Andaman Sea
There is some superb diving in Thailand, especially in the Andaman Sea. You can book the diving before you go, or just turn up and book a day or two before.

The best time to go to the Andaman Sea side of Thailand, on the west coast, is between November and April when the weather is calm and the visibility good. From May to October is the rainy season. You can fly to Bangkok then take a train or a bus south. Or fly to Phuket. The public transport in Thailand is very good - better and cheaper than the tourist buses.

The best dive sites are away from the main islands, especially Koh Similan, Koh Surin, Hin Daeng and Hin Moung.
http://www.scubatravel.co.uk/thailand/thailand-dive-centres.html
#Thailand   #scubatravel   #scuba  
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Guide to Scuba Diving around the World
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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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