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Marine Life & Conservation

Australian Dive Centre Launches Swimming with Humpback Whales – Watch Video

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Australia’s Sunreef Diving Services, who are based in Mooloolaba on the Sunshine Coast in Queensland, has launched a new experience – the opportunity to swim with the captivating humpback whales.

Australians have long had a love affair with these gentle giants, and now people have the opportunity to see them from a very different perspective on Queensland’s Sunshine Coast.

Sunreef Whale Encounter Supervisor, Dan Hart – a PADI Master Scuba Diver Trainer – said Sunreef was excited to be offering this great experience.

“I swam with humpback whales in Tonga and it’s something very special. It’s a life changing experience – it’s indescribable.”

“It gives you such a sense of these amazing creatures and we are excited to be able to offer it to everyone.”

Dan said the swimming with whales experience is operated under a strict Code of Conduct to protect both the whales and the participants.

Participants who take part in a swim with the humpback whales experience can expect a three-hour round trip with a maximum of 20 participants taken on each trip. 2 spots are made available on every trip for the Sunshine Coast University to conduct their studies into the conservation of whales.

Dan said Sunreef provide a full briefing on what to expect and safety procedures as well as providing all required wetsuit and snorkeling equipment.

Once a whale is sighted, the boat will be put into neutral 100m or more away from the whale, and if the conditions are determined as safe by our trained crew, the boat will be turned off and swimmers will be allowed into the water holding on to the floating line attached to the boat.

“Then it’s all up to the whale – it is a natural experience and it is 100% on the whale’s own terms,” Dan said.

“Whales are known as curious creatures so they may come over towards us or they may just swim past or away. Either way, it’s an experience you will never forget.

“In our experience, the whales seem as intrigued by us as we are of them and often come close to swimmers, gliding effortlessly around us, with such a gentleness that it’s like they recognise our fragility in comparison and know we are there out of wonder and respect,” Dan said.

“Our first Swim with the Whales experience commenced on the 6th of July and we will continue to offer them throughout the season,” Dan said.

Dan said that every day is different on the water, and every encounter is unique.

Sunreef have access to a spotter plane to increase the likelihood of participants whale encounter. If however, the boat does not see a whale during a tour, guests will be offered the opportunity to rebook at a 50% discount.

[youtube id=”Y-5RTRLk9jU” width=”100%” height=”400px”]

Sunreef is a PADI 5 Star Instructor Development Centre and offer accredited PADI dive courses for all levels of divers as well as local reef dives in the Sunshine Coast region including the ex-HMAS Brisbane. They also offer international dive trips and travel as well as dive equipment sales and servicing.

The whale swimming and watching operations work out of Mooloolaba at the heart of Queensland’s beautiful Sunshine Coast.

It takes about 10 minutes from the Sunreef dock to get out on the beautiful waters off the Coast, which are at their best during the winter months when the whales migrate. Water temperatures during this time range from 17 to 23 degrees C and visibility is regularly up to 30 metres.

Sunreef Scuba Diving Services, based in Mooloolaba is the longest established dive centre on the Sunshine Coast (Queensland, Australia) with roots starting back in 1976.

For more information, visit www.sunreef.com.au.

 

Source: www.padi.com

Marine Life & Conservation

New report shows simple measures needed to cut beach plastic pollution

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The Marine Conservation Society has launched its annual State of our Beaches 2023 report, highlighting the need for less single-use plastic items and more refillable options.

The charity’s beach cleaning programme, now in its 30th year, asks volunteers to record all litter that they find within a 100-metre stretch of beach. By gathering vital data from across the UK and Channel Islands, the charity creates change for cleaner seas and a healthier planet through policy and industry change. Last year, over 148 kilometres of beach were surveyed by volunteers, who removed 17,208kgs of litter from our coast.

Using data collected by over 14,000 volunteers, the State of our Beaches 2023 report shows that half of all litter collected came from public sources – either dumped, blown or washed onto our beaches.

Drinks-related litter, such as plastic bottles, caps and cans were one of the most found items, with an average of 16 found per 100 metres of beach surveyed. This figure is up 14% compared to the charity’s 2022 report.

Plastics caps and lids were recorded on 89% of surveys, with over 30,000 found in total. Plastic bottles were also commonly collected, with 73% of surveys finding this single-use item – a 4% increase compared to 2022. The charity’s inland litter pick survey, Source to Sea, also reported finding plastic bottles on 92% of cleans.

However, the charity’s State of Our Beaches 2023 report also indicates that some types of litter are on a downward trend. Although still in the top 10 litter items, disposable plastic cutlery, trays and straws were found on 5% fewer beaches across the UK, showing that bans on these plastic items between 2022 – 2023 could be working. The presence of plastic cotton bud sticks also dropped by 14%.

Lizzie Price, Beachwatch Manager at the Marine Conservation Society, said, “Half of the litter found on our beaches originates from public sources, underscoring the pressing issue of single-use plastic. Evidence shows that refillable alternatives and litter return schemes effectively reduce rubbish, as demonstrated by the decline our data has shown in items like plastic bags and disposable cutlery.

“Urgent and decisive action from UK governments is needed to accelerate our shift towards a circular economy, where we reuse, repair and recycle. The public needs greater access to refillable products and systems need to be implemented in which manufacturers are responsible for their waste.”

Governments across the UK have committed to delivering deposit return schemes from October 2025. However, the proposed scheme in England does not include glass items, despite glass being found on 52% of beaches in 2023. The charity is calling for governments across the UK to introduce compatible all inclusive deposit return schemes as soon as possible. This would see aluminium cans, and plastic and glass bottles have a 20p deposit which would be returned when recycled which would reduce drinks-related pollution.

Businesses are, however, starting to take refillable and reusable options into their own hands. Supermarket chain, Aldi, the largest corporate funder of the charity’s 2024 Beachwatch programme, is already leading the charge in refillable items by trialling refillable options for cereals and porridge oats in their stores over the past 5 months.

Plastics and Packaging Director, Luke Emery, from Aldi, who are running 4 beach cleans for staff and volunteers in 2024, said, We are continually working to reduce single-use plastics and packaging, and making unpackaged product options more commonplace for our customers is a key part of this. We are really pleased with the uptake of our refillable range so far by customers. Not only are we making sustainable shopping more accessible, but we also offer refill products for a better price than the packaged alternative, helping our customers save money.”

Marine litter is one of the biggest threats to our seas, with plastic breaking down over time into microplastics and threatening marine life which can ingest or become entangled in them. The Marine Conservation Society is urging the UK Government to move faster on its policies to cut down plastic waste and prevent items from reaching our seas.

To find out more about the charity’s beach cleans and how to get involved, please visit mcsuk.org/beach-cleans

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Guarding Against Coral Invaders

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Protecting (Dutch) Caribbean Reefs from Unomia stolonifera

Recent reports highlight the concerning spread of the invasive soft coral, Unomia stolonifera, currently devastating Venezuela’s marine ecosystems and detected in Cuba. With the potential threat of its expansion to the (Dutch) Caribbean islands, urgent action and awareness are essential to safeguard marine biodiversity and local economies from possible catastrophic consequences.

Invasive species are animals or plants from another region of the world that don’t belong in their new environment. These species can have major ecological effects by decimating native flora or fauna. They can also cause large economic losses and impact human health. Invasive species also pose a significant threat to marine ecosystems worldwide, including the Dutch Caribbean. Among these invaders is the octocoral species Unomia stolonifera or “Pulsing Xenia”, originally from the Indo-Pacific. With its rapid growth and lack of natural predators, this species can outcompete native species and disrupt fragile marine habitats such as seagrass beds and coral reefs.

Background

The invasive soft coral U. stolonifera was first identified in 2014, off the coast of Venezuela. It is believed to have been introduced via the illegal aquarium trade.  Since this species can reproduce sexually and asexually (or fragment), even small pieces can regenerate to spread.  Once introduced it quickly took over shallow reefs and hard substrate at depths of 0-50 meters, outcompeting local corals and seagrass for space.  Follow on surveys found that this coral species exhibited average percentage cover as high as 80%, vastly outcompeting native corals. In highly colonized areas, fish are disappearing due to loss of habitats.

In 2022, during a survey conducted in Cuba by the University of Havana, an unknown octocoral was discovered which was later identified as the invasive Unomia stolonifera. It is suspected that the coral larvae arrived in ballast water from fossil fuel ships originating from Venezuela, as nearby sites adjacent to Venezuelan ports have been heavily affected by the invasion.

How to help

Prevention through continuous monitoring, particularly in high-risk areas such as marine harbors and oil facilities, is paramount. Early detection plays a pivotal role in mitigating the threat posed by Unomia stolonifera.

The public’s involvement and awareness are also vital. Local communities, recreational divers, tourists, and all stakeholders are urged to participate in early detection efforts by reporting sightings (photo, location and date) of this invasive coral to their respective Protected Area Management Organization (PMO’s)- the Fundacion Parke Nacional Aruba (FPNA)STINAPA BonaireCARMABI Curaçao Saba Conservation Foundation (SCF)Nature Foundation St. Maarten (NFSXM) and St. Eustatius National Parks (STENAPA). If an invaded area is confirmed, follow the recommendations by the local PMO’s.

Keys to Success

Despite the challenges, early detection is key to mitigating the threat posed by Unomia stolonifera. With continued vigilance, research, and community engagement, there is hope for containing this potential issue before it becomes a major threat.

About the DCNA

The Dutch Caribbean Nature Alliance (DCNA) supports (science) communication and outreach in the Dutch Caribbean region by making nature related (scientific) information more widely available through amongst others the Dutch Caribbean Biodiversity Database, DCNA’s news platform BioNews and through the press. This article contains the results from several scientific studies but the studies themselves are not DCNA studies. No rights can be derived from the content. DCNA is not liable for the content and the in(direct) impacts resulting from publishing this article.

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