Marine Life & Conservation
Carpe Diem: Dive with a Purpose 2018, with the 100 Island Challenge
Scubaverse Contributor Yo-Han Cha reports from his recent liveaboard trip in the Maldives…
It’s been stunning out here in the Maldives. In the first two days we saw mantas and a whale shark – not a bad start to a week on a liveaboard, in fact it was beyond anything I expected. It was a dream start to the trip and Mother Nature and the Carpe Diem staff have certainly delivered.
But this trip wasn’t just about us having fun and enjoying the underwater wildlife of the Maldives, Carpe Diem had us diving with a purpose and we had Brian Zgliczynski and Clinton Edwards from the Scripps Institution of Oceanography, UC San Diego who were here as part of their 100 Island Challenge campaign.
What is the 100 Island Challenge?
To quote Scripps:
“No two coral reefs are the same, and no two reefs will face the future in the same way. This variability, however, can teach us lessons about how to manage coral reefs for the best future possible.”
The 100 Island Challenge is a five year campaign where they’ll aim to survey 100 islands and to resurvey them every two years to plot any changes. 81 islands have been surveyed so far with some of them have already had their two-year resurvey. The 100 Island Challenge team is aiming to complete 95 by the end of 2018.
One of their main methods of data collection is using photogrammetry to survey the reef – other methods being benthic and fish biomass assessments – but on this trip, there was a focus on the photogrammetry. For those of you who are unfamiliar with what it is, photogrammetry is where hundreds, if not thousands, of photographs are processed by computer software to produce a 3D model.
I had come across it before to survey wrecks but it’s not something I’d ever attempted before. This has proved to be an excellent tool for surveying coral reefs as they don’t move, and by surveying the same site over time, the Scripps team have been able to monitor, not just a single snapshot of coral population and distribution but the growth, death and regrowth of the exact same corals in a specific area of the reef.
Which brings us back to the Maldives, with Brian and Clinton here to firstly see if the Maldives was somewhere suitable for the 100 Island Challenge and to test their camera equipment. We, the non-scientist guests, were encouraged to take our cameras and with a brief instruction before the start of the dive, go survey a small coral for ourselves.
Brian and Clinton were using DSLRs and today they mounted two of them together (quite a sight!) in order to survey a section of the reef in a 5m x 5m grid. Nobody else on the trip had a DSLR to take underwater and none of were expected to do a grid survey, but four of us, with four different makes and models of camera, ranging from a simple compact to a mirrorless, went out, chose a coral and gave it a go, not really knowing what the end result would be.
Due to our different cameras, some of us had to approach it slightly differently. I shot in continuous mode and kept the trigger down whilst I swam steadily around my coral. After years of photography where I’ve been told to shoot into the blue for good negative space and to shoot up, the most difficult part of me was to go against my instincts and avoid having any blue in the shot and to shoot down! However, the award for having the most patience and diligence went to Daphne as she individually took over a hundred images of a coral with her compact.
The results for all four of us were in my opinion amazing and I’m not just saying so because one of them’s mine. Considering that due to time constraints Clint processed the images at a lower resolution than he would do normally (Scripps are going to process them at full resolution when they get back to San Diego) and that we were total novices to this, the results were a lot more detailed than I expected them to be, which is exciting in more than one way as it shows that this method of surveying is one that can be easily trained to others.
We’re now, sadly, just over halfway through our trip. The diving, the staff and the liveaboard have been excellent and it’s been exciting to learn how we, each in our small way, can make a difference.
For more information on the 100 Island Challenge click here.
For more information about Scripps Institution of Oceanography click here.
For more information about Carpe Diem click here.
Marine Life & Conservation
Paul Watson Released as Denmark Blocks Japan’s Extradition Bid
Renowned anti-whaling activist Paul Watson has been released from custody in Greenland after spending five months in detention. Denmark’s Justice Ministry rejected Japan’s request for his extradition, citing insufficient guarantees that his time already served in custody would be credited against any potential sentence.
The 74-year-old Canadian-American was arrested on July 21 in Nuuk, Greenland’s capital, when his ship docked to refuel. His arrest was based on a 2012 Japanese warrant related to a 2010 encounter in Antarctic waters. Japan alleged Watson obstructed operations and caused damage to a whaling research ship during efforts to disrupt illegal whaling. Watson has consistently denied these claims, maintaining his commitment to marine conservation.
Denmark, which oversees extradition matters for Greenland, concluded that while the legal conditions for extradition were met, the lack of assurances from Japan regarding time-served credit made extradition untenable.
In a video shared by his foundation, Watson expressed gratitude and relief, saying, “After five months, it’s good to be out… and good to know they’re not sending me to Japan.” He added that the most difficult part of his time in custody was being separated from his two young sons.
Watson is a pioneering figure in marine conservation, known for founding the Captain Paul Watson Foundation in 2022 after decades of activism with the Sea Shepherd Conservation Society. His bold efforts to defend marine life have earned him widespread support, including from celebrities and conservationists. His work has also been featured in the acclaimed reality TV series Whale Wars.
Watson’s lawyer, Jonas Christoffersen, praised the decision, stating, “We are happy and relieved that Paul Watson is now free.” He added that Watson is eager to reunite with his family and continue his vital work.
The arrest occurred while Watson’s vessel, the M/Y John Paul DeJoria, was en route to the North Pacific with a team of 26 volunteers to intercept a Japanese whaling ship. His foundation described the arrest as politically motivated and emphasized that Watson’s actions were focused on ending illegal whaling practices.
Japan resumed commercial whaling in 2019 after leaving the International Whaling Commission, asserting that whale meat is a cultural tradition. Conservationists, however, continue to challenge these practices, highlighting their impact on marine ecosystems.
Despite the challenges, Watson remains steadfast in his mission to protect marine life and bring attention to whaling practices. His dedication to ocean conservation has made him a globally respected advocate for the environment.
Marine Life & Conservation
12 Days of Zero-Waste Fish-mas
This holiday period, the Marine Conservation Society, the UK’s leading ocean membership charity, invites you to make some simple changes to eating fish this Christmas to help our seas.
Dr Kenneth Bodles, Head of Fisheries and Aquaculture at the Marine Conservation Society, said, “During the festive season, our consumption increases, but so does waste. Sustainability isn’t just about where food comes from – it’s also about how you use it. By reducing waste and making the most out of your seafood, you’re not only taking steps to be more ocean-friendly, but can also help to cut costs during what is often one of the most expensive times of the year”.
The Marine Conservation Society has compiled twelve tips on how to consume seafood sustainably with zero-waste this Christmas:
Buy whole fish instead of fillets
Instead of fillets, consider buying whole fish such as salmon, hake, or lemon sole. By adopting a “nose to tail” approach with cooking, whole-baked fish not only feeds a crowd, but also helps to minimise waste and maximise sustainability by using up every part of the animal, including bones, skin, and fat.
Make fish stock
Leftover fish bones or shells can be put to good use by boiling them to make a nourishing fish stock or bisque. This can be frozen and preserved for later use and makes for a flavourful base in a soup.
Make your own fish pâté
Avoid waste by turning leftover fish, such as smoked mackerel or salmon, into a delicious pâté by blending with cream cheese and lemon. Perfect when paired with crackers.
The sustainability of salmon and mackerel varies depending on where and how it is caught or farmed. For more information on green-rated options, check the charity’s Good Fish Guide.
Buy frozen
By purchasing seafood that is frozen or vacuum-packed, this helps to reduce waste by extending the shelf life of your food.
Fish pie
If you’re wondering what to do with leftover cooked fish, why not opt for a classic fish pie with mashed potatoes, leeks, and a cheesy sauce? A sure crowd pleaser on Boxing Day.
Use the head
Don’t forget the fish head! The meat is incredibly tender and flavourful. The charity recommends a cod’s head curry or recreating Fallow’s renowned cod’s head in siracha butter.
By stretching your ingredients further, not only is this a more sustainable way to enjoy seafood, but also cost-effective by repurposing leftovers and cooking creatively.
Boxing Day brunch
Mix leftover kippers or smoked salmon with scrambled eggs for a tasty, zero-waste, Boxing Day brunch.
For best choice, make sure you buy kippers, or herring, from the North Sea and the North Irish Sea.
Zero-waste storage
A top tip from the Marine Conservation Society to avoid waste is freezing fish offcuts to save for future use.
Crisp up the skin
Even leftover fish skin can be turned into a quick savoury snack by crisping it up in an air fryer with a little olive oil and salt.
Anchovies two ways
Leftover anchovies can either be blended with butter to make a delicious anchovy butter or tossed into pasta for a hit of umami flavour.
The charity recommends opting for anchovies caught in the Bay of Biscay for best choice.
Fishcakes
For an easy, zero-waste meal, leftover seafood trimmings can be mixed with mash and fried in breadcrumbs to make fishcakes.
Pickled mussels
Try pickling mussels in 1:1 vinegar and water, with a dash of sugar for a sustainable, zero-waste snack that can be enjoyed well beyond the festive season.
Mussels farmed in the UK are a seafood superhero. Grown using low-impact methods and harvested by hand, they get all the food they need from the sea around them. This makes them one of the most sustainable, ocean-friendly, and cost-effective seafood options.
Players of People’s Postcode Lottery have raised £6.6M towards the Marine Conservation Society’s vital work in making seafood more sustainable.
Laura Chow, Head of Charities at People’s Postcode Lottery, said: “Fish is a festive favourite for many, but making sustainable choices when it comes to how we buy and eat seafood makes all the difference for our ocean. Support from players of People’s Postcode Lottery has helped the Marine Conservation Society further its sustainable seafood work, so that we can all enjoy healthier, better protected seas.”
The Marine Conservation Society encourages you to make sustainable seafood choices a year-round habit, not just for Christmas. To check how sustainable the seafood on your plate is, you can visit the charity’s Good Fish Guide. The Guide helps consumers and businesses identify the most sustainable seafood using a simple traffic light system, based on where and how species are caught or farmed. Green is the best choice, amber means improvements are needed, and red indicates fish to avoid buying.
Zero-waste gift idea
Why not embrace a zero-waste Christmas by gifting a membership to support marine conservation? It’s a meaningful, low-waste gift that helps protect our ocean for generations to come. Memberships start from as little as £5 a month – the price of a sandwich and drink from your local coffee shop.
Find the latest sustainable seafood advice for wild-caught and farmed seafood on the Good Fish Guide, downloadable to your phone from www.mcsuk.org/goodfishguide.
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