Solomon Islands

Solomon Islands

 

During mid October to early November 2024, Seahawk’s mission continued to the Solomon Islands where we spent 3 weeks exploring this beautiful tropical archipelago.

The striking thing about cruising these islands is that on one level they look and feel very unspoiled, untouched and stunning but this first impression belies the islands turbulent past and the onslaught of relatively recent misguided economic policies.

 

Scratching beneath the surface you are soon aware of past events, most notably the indelible footprint and scars on the land and seascape of WW2.

Tao Maru Wreck

One of the most infamous battles of WW2 between the allies, primarily the United States, and Japan took place at Guadalcanal in the waters famously called “Iron bottom Sound”. This name refers to the huge numbers of aircraft and ships lost during the battles in this stretch of water. Reportedly some 111 shipwrecks and 1,450 airplanes are at the bottom of this sound. One striking statistic is that many of the wrecks along the shore are Japanese vessels. This was because at the time the Japanese were under considerable pressure from the allies with much disruption to their supply lines and army presence. To preserve life and as many of their supplies as possible, should a ship be hit and at risk of sinking, the Japanese sailors would literally drive their ship aground to salvage what they could.

 

The many wrecks in this area and other locations around the islands provide rich pickings as far as interesting dive sights today.

Photo by Rodolphe Holler

Beyond the “man made’ dive sites, the Solomons offer rich and beautiful coral dive spots populated with a multitude of reef fish and other creatures. These all look very healthy and are thriving.

Sadly however, there is a notable lack of larger pelagic fish in this area. Misguided economic policies have allowed large commercial factory fishing vessels to operate along the near coastal areas of the Solomons that are wiping out large populations of the larger fish stock either by design or through the inevitable destructive and indiscriminate “by catch” that is associated with the use of miles of large nets.

The other devasting destruction the Solomon Islands have experienced in the past was the logging of huge areas of the old forests. This commercial activity left large areas of unvegetated ground that was then eroded by the regular tropical downpours of rain this area experiences. The knock on effect of this led to soil run off into the surrounding waters that stifled and killed off coral reefs.

Thankfully this activity has now stopped, the vegetation is recovering rapidly and notable improvement to once devastated coral reefs is being observed in a relatively short time period.

Computers and iPads

During our stay, Seahawk partnered up with local conservationists to help lobby to establish an MPA ( Marine Protection Area) in the Munda province. A meeting was held onboard Seahawk with local politicians and key community leaders to discuss and agree a Memorandum of Agreement to establish an MPA.

The Munda MPA area is a beautiful area that needs protection from indiscriminate fishing. The hope is to show the importance of conservation and how marine life will thrive if protected. The meeting onboard was regarded as a great success with the community leaders and politicians present agreeing to and signing the Memorandum of Agreement to establish the MPA.

Photo by Rodolphe Holler

Touristically, the Solomon Islands are relatively untouched but one of the islands greatest assets is their marine life and environment. Protect this and they will protect a sustainable source of economic activity that will be good for both the islands ecosystem and their population if managed well.

Mass overfishing and deforestation is not sustainable but sadly the politicians of the islands have gone down this route in the past and continue to do so. By helping to try and establish an MPA we hope to have helped move the needle just a little in the right direction and maybe, just maybe, helped shift political thinking into a more sustainable and brighter future for the islands.

One insight I took away from these beautiful islands is that a large percentage of the local population live in small, disconnected villages on the numerous islands in the Solomons. We were fortunate enough to visit and interact with the local people in various villages. Among their numbers were many skilled artisans who produced amazing wood carvings of local culture and marine life. All onboard Seahawk came away with stunning souvenirs of their visit to these wonderful islands.

 

I felt that although the villagers led a life of simple subsistence living, they all seemed happy, content and living at one with their environment. Although their lives are physically hard in comparison to so many of us they already seem to have what many of us aspire to have that is sometimes missing from our, arguably, over complicated lives.

 

Written by: Guy Hayward

Bad Romance – Shark Canyon

Bad Romance – Shark Canyon

The south pass of Fakarava Island atoll, Passe Tumakohua, provides for one of the best examples of natural marine habitat facilitated by the exchange of seawater with slightly fresher water from inside a lagoon. It is the freshwater runoff (rain) that carves a path through the coral. (Corals cannot tolerate fresh water.) But beyond the formation curiosity, these passes are where the action is. The tidal currents that form both in and out of the lagoon attract a wide variety of species. Some come to these places to breed. Others, prototypically a variety of shark species, enjoy feeding and the luxury of resting on the bottom while the current effortlessly pumps oxygen through their gills.

Drone photo of Fakarava Atol and popular dive site, shark canyon

While there are many fish species to behold, this place hosts an amazing density of gray reef sharks. Further, these animals are largely oblivious to the presence of divers. So, an up-close view is possible most days. Important to note, the danger from the gray reef sharks and most shark animals is minimal. To the extent there are attacks on humans the incidents are rare, usually caused by the shark confusing a human swimmer/surfer with normal prey during feeding times. Certain sounds including those similar to crushing an empty plastic water bottle can trigger aggressive behavior, too. Still, more people die from eating hots dogs than shark attacks.

3 divers watching a grey reef shark glide past them

Written by: Adam Alpert

French Polynesia – Operation Swimway

French Polynesia – Operation Swimway

Much of what the S/Y Seahawk mission is about involves developing a better understanding of the marine environment, especially pelagic species. The focus is on migration patterns, Tiger and Grey Reef sharks of special interest because it is suspected that the travel itineraries in play are key to sustainability. Understanding reproduction strategies for these animals is also important. Knowing where the pupping areas are located could be the key to protecting the threatened population without having to make the sometimes-controversial Marine Protection Areas (MPAs) excessively large.  For this, we mostly lean on our visiting scientists including Clémentine Séguigne who joined S/Y Seahawk for its most recent exploration of the Tuamotu Islands, French Polynesia during the months of March and April. The work itself is awe inspiring just because of the magnificence the laboratory affords. Of course, the science that follows is exceedingly important, too. What is learned may be the key to not only saving a species but the ecosystem as a whole. 

Seahawk in New Caledonia

The Tuamotu Island chain of French Polynesia is known for its stunning beauty both below and above the water. There is much complexity here to unravel because these atolls all revert to a volcanic history. Similar to the present-day younger islands of Moorea and Bora Bora, the Tuamotu islands once enjoyed some relief. Now, where there was land forming, e.g., domes and plateaus, there are luxurious lagoons, in most cases surrounded by the remanence of vast coral colonies. There are also one or more natural passes that exit these lagoons. In some cases, the passes through the coral reefs were formed because of the geology in play. More often it is the freshwater runoff (rain) that carves a path through the coral, (coral does not like fresh water.) But beyond the formation curiosity, these passes are where the action is. The currents that form both in and out of the lagoons attract a wide variety of species. Some come to these places to breed. Others, prototypically a variety of shark species, enjoy feeding and the luxury of resting on the bottom while the current effortlessly pumps oxygen through their gills. 

Noumea beaches were closed due to recent shark attacks

Sharks are a keystone species in the marine ecosystem. As an apex predator, they keep the ecosystem in balance, and without them, the entire food web will collapse. Sharks are vital to the health of the oceans and to our existence on this planet. We must protect them. 

Seahawk is on a mission to help researchers and advance the protection of sharks. In 2021 we  began our involvement with Operation Swimway and partnered with researchers to tag 4 Tiger sharks and deploy 10 electronic receivers underwater to detect the transmission of the tagged sharks. Each receiver is an electronic device capable of detecting acoustic signals from the tags; it is encased in a waterproof canister that is about the size of a 1 litre water bottle, and affixed to the ocean floor by a rope attached to a chain at the base and a buoy at the top to keep it upright in the water column. To learn more about this endeavour,  check out our mission log  from our last trip in 2022 to French Polynesia.

Diver removes shark tag reciever

Fast forward 2 years and Seahawk is back cruising around the stunning Tuamotu Islands, French Polynesia in March 2024. Along with our excellent guides Rodolphe and Sébastien, Tahiti Private Expeditions, the dive team followed the GPS coordinates of the receivers and set out to retrieve them. The team strategically planned each dive to navigate strong currents, shifting tides, and depths up to 35 meters to dismantle the chains, buoys, and collect the receivers with 2 years of crucial data about the sharks’ movements.  

Kayaking in the mangroves in Bouraké Lagoon

After the retrieval mission was complete, Seahawk sailed back to Tahiti and returned the canisters to the research team at IREMP so that they could analyse the sharks’ movements over the past 2 years. They learned some fascinating information about the local tiger sharks, which atolls they tend to prefer, which ones they didn’t visit, and which passes they frequented. Because of this information learned, the research team decided to focus their next data collecting mission on one unique atoll called Tahania atoll. This spot was chosen because tiger shark activity was detected here, and it is uncommon for an atoll to have 3 separate passes that allow water and marine life to flow in and out of the lagoon with each changing tide.  

Along with researcher Clémentine Séguigne, and our experienced local guides, Seahawk helped deploy 6 new receivers at Tahania atoll. The receivers were strategically placed on the outside corners of each of the 3 passes to get the best chance of detecting a ping from a tagged tiger shark. Clementine found that the best chance for data collection would be at a deeper depth, so we deployed each receiver at a depth of 30-40 meters. The team had to work quickly at these depths and pay careful consideration to their no decompression time limits, but once the receiver was successfully installed, and the GPS coordinate marked, there were high fives and celebration all around! We look forward to learning more about the tiger shark movements around Tahania Atoll. 

Tiger Shark swimming in clear blue water with sunbeams coming from above

Through all these efforts, the ultimate goal is to better understand the tiger shark movements and ecology so that the researchers can propose MPAs to the local government and protect the crucial habitats for the species. Seahawk is one vessel able to provide support to researchers conducting field work in these remote locations. Through nonprofits like Yacht Aid Global, the hope is that other vessels will become involved in similar projects, all part of the greater effort to preserve the world’s oceans.  

French Polynesia – Makemo Arikitamiro Primary School Computer Learning Project

French Polynesia – Makemo Arikitamiro Primary School Computer Learning Project

As Seahawk’s 2024 exploration of French Polynesia comes to a close it should be noted that the archipelago is much more than a beautiful natural wonder. Our time here has indeed been magical due to the splendor of so many lush tropical atolls, each offering its own amazing and often unique underwater vista. But the charm of the Tuamotu and other island groups we have visited here in French Polynesia is also reflected in its people, especially the children. Despite the challenges of island life, and there are many, the generosity and warmth extended to visitors enjoy few equals.

Makemo School Children

Seahawk’s repurposing for community outreach and the advancement of science affords many interesting and rewarding experiences. The shark migration work in particular has delivered a unique insight into the amazing biodiversity of the world’s oceans. The hope, of course, is that beyond satisfying curiosity these new understandings will lead to better management of fish stocks and other ocean resources. But science by itself cannot address the impending collapse of the marine ecosystem. As custodians of seas what happens next will depend on what people, especially the next generation, decide to do. The sobering fact is that children in primary school today will likely determine the fate of world, at least in terms of climate and other life-giving resources. Hence the reason to do everything possible to give this new generation the tools needed to make good choices.

Photo by Rodolphe Holler

Seahawk has supported many island communities as part of an effort to better equip this next generation with the knowledge to be careful and prudent custodians. While the ultimate outcome is not known, the hope is that an improved skillset will lead to both greater personal success and better decision making for the local communities and beyond. The idea roots to an assumption that everything begins locally before transcending to something bigger. In essence a collective wisdom is born once local concerns are addressed.

Computers and iPads

In this spirit, and in combination with Yacht Aid Global, Tahiti Private Expeditions, the Government of French Polynesia, and Seahawk Enterprises, I present Seahawk’s latest endeavor, the Makemo Arikitamiro Primary School computer learning project. If successful, primary students attending Arikitamiro school will acquire a practical understanding of modern PC and Apple based technology. More is more when it comes to being both aware and expert in the subject. Those in command of the information, able to communicate that knowledge effectively, will determine the final outcome.

Photo by Rodolphe Holler

Written by: Adam Alpert

To learn more about projects like this, and how you can get involved, please visit: https://yachtaidglobal.org/ 

 

French Polynesia – Plastic Odyssey

French Polynesia – Plastic Odyssey

“If we do nothing there will be more plastic in the ocean than fish by 2050.” This is the problem/scary prospect the Plastic Odyssey expedition is trying to address. Specifically, there is a need for a practical solution to the plastic waste problem that is both economically viable and self-sustaining. The idea at its heart is to develop a recycling technology that is simple to implement and easy to operate in places where plastic waste accumulation is most severe. Think third world countries that have few regulations and much consumption of plastic contained products. Senegal, a country experiencing extreme plastic pollution of its coastline already has a facility in place. Key to success, however, is that the recycling enterprise must be profitable to work. Hence the focus on recycling manufacturing designs that are inexpensive to produce and maintain. And this is not just about cleaning up beaches. The result is an economically viable product, e.g., beams, roofing tiles, specialty molded parts, that can be sold on a competitive basis to local consumers.

Plastic Odyssey

S/Y Seahawk was introduced to the Plastic Odyssey team in Monaco coincident with the Royal Yacht Club of Monaco La Belle Class Superyacht Awards. S/Y Seahawk won in the category of “Adventure and Environmental Ethics”. It was at this event that Nicola Watton, Chief Stewardess, receiving the award on Seahawk’s behalf, met Plastic Odyssey’s CEO, Simon Bernard. Her introduction led to the tour of Plastic Odyssey during our visit to Hao French Polynesia.

Plastic Odyssey Hao Pass

The Plastic Odyssey team acknowledges that reduction/elimination of plastic waste entering the environment is an existential challenge. In the interim, boutique recycling systems like those demonstrated on the vessel could serve to mitigate until a more proactive solution is adopted.

To learn more about Plastic Odyssey, visit their website at: https://plasticodyssey.org/en/ 

Written by: Adam Alpert