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Marine Life & Conservation

Curaçao hosts special underwater and beach clean-up

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The community of Curacao have united in the fight to protect what they love with the Curacao Special Summer Underwater and Beach Clean-up.  The event, organised by FORCE BLUE, The Dive Bus Curacao, Dive Curacao and supported by Project AWARE, had a wonderful turnout of divers and non-divers to support the island’s initiative for Voedselbank Curacao.

Reefs worldwide are facing threats including climate change, over-fishing, water pollution and marine debris from human waste like single use plastics. While the effects of climate change must be addressed on a global scale, local communities can give their reefs the best chance of survival. They can start by reducing pressures such as fishing responsibly and reducing land-based pollution that is entering the ocean.

Together dive centres, like The Dive Bus Curaçao, on the island have united to protect their local dive sites from the onslaught of trash.

“Diving may not be most people’s first idea of a career but it certainly turned out to be mine, and I wouldn’t change any of it, even if I could,… My mission is to keep on living the dream, encouraging people to fall in love with diving, on magnificent reefs that we all help keep beautiful”, says Mark Pinnell, a PADI AmbassaDiver and Managing Director at The Dive Bus Curaçao.

https://youtu.be/qJwU5EVoLyo

Co organisers, FORCE BLUE, retrains and redeploys former Special Operations veterans and military-trained combat divers to assist in marine conservation efforts.

Many Caribbean reefs, like those in Curaçao stand a good chance of surviving if local pressures can be minimized. Several organizations on the island are working diligently to help restore and protect the fringing reefs by tackling these issues across the island of Curacao by coordinating beach and underwater clean-ups.

“Scuba divers have a deep connection to the ocean and a desire to want to protect it. We love to mix the passion for ocean adventure with conservation,” says Jack Fishman from Project AWARE, a global movement for ocean protection.

Plastic pollution is affecting the oceans across the world, and some reports estimate that by 2050 there could be more plastic in the ocean than fish. Marine life like fish, birds and sea turtles can mistake plastic for food and eventually starve or become entangled and suffocate. Sadly, many islands did not take-action quickly enough and their reef systems have collapsed. Collapsed reef systems result in losses in tourism, fishing revenue, floods, deteriorated water quality, and less resistance to storms. Luckily, Curacao still has the chance to protect itself if action is taken immediately.

According to CHATA CEO, Miles Mercera, “Our island’s subaquatic life is one of the many things that sets our island apart from the others in the Caribbean. So, it is of immense importance that we all work together as a sustainable community to conserve our ocean. The commitment of the Curacao Dive Industry to the Dive Against Debris and Adopt a Dive Site Initiative is the first step for sustaining and spreading awareness of our island’s ocean life. With the assistance and teamwork of the entire community I am certain that we can make this initiative bigger, create a sustainable change and provide the upcoming generation a healthier ecological marine life.”

Visit www.divecuracao.info to find out more.


Video produced and edited for Force Blue by Turtle and Ray Productions HD.

Photo’s courtesy of Gail Johnson Photography

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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