News
Rising Temperatures In The Atlantic Ocean Could Pose Threat to Coral Reefs
Ecologists are reporting that rising temperatures in the Atlantic Ocean may be allowing certain tropical fish to spread to shallow waters that are becoming warmer, an expansion that could pose a significant threat to coral reefs.
A study of 40 species along the reefs off the North Carolina coast shows northward movement by the invasive and poisonous lionfish, according to researchers from the National Oceanic and Atmospheric Administration (NOAA) and the University of North Carolina-Wilmington, who published their findings in the September issue of Marine Ecology Progress Series.
“Globally, fish communities are becoming more tropical as a result of warming temperatures, as fish move to follow their optimal temperature range,” study author Paula Whitfield, a research ecologist at NOAA’s National Centers for Coastal Ocean Science, said in a news release. “Along the North Carolina coast, warming water temperatures may allow the expansion of tropical fish species, such as lionfish, into areas that were previously uninhabitable due to cold winter temperatures.”
The Indo-Pacific lionfish was first sighted off the east Florida coast in the late 1980s. They have since spread throughout the western North Atlantic, including the Gulf of Mexico and Caribbean, according to the news release.
In 2000, the lionfish was also reported off the coast of North Carolina. Historically, both temperate and tropical species live in the North Carolina reefs, confined to their range limits by water temperatures. But, the researchers noted, temperatures in this zone are becoming more tropical.
Lionfish are viewed as a major threat to Atlantic reefs by reducing reef fish recruitment and biomass, the researchers said, and they may be involved with cascading impacts such as decreased coral cover on coral reefs.
For their findings, the researchers combined year-round bottom water temperature data with fish community surveys in water depths from 15 to 150 feet off the coast of North Carolina from 2006 to 2010.
“The temperature thresholds collected in this study will allow us to detect and to estimate fish community changes related to water temperature,” explained Whitfield.
“This kind of monitoring data set is quite rare because it combines multiyear quantitative fish density data with continuous bottom water temperature data from the same location,” added the study’s co-author, Jonathan A. Hare, NOAA Fisheries research oceanographer, in the release.
The researchers found the fish community in deeper water, from 122 feet to 150 feet with a winter mean temperature of 69.8 degrees Fahrenheit, was primarily tropical. They concluded that water temperature was a key factor in controlling their expansion.
And they noted lionfish have become the most abundant species in those areas. Although the lionfish were restricted to depths below 87 feet where the average water temperature was higher than 59.5 degrees, the fish could spread to shallow waters that are becoming warmer.
“The results will allow us to better understand how the fish communities might shift under different climate change scenarios and provide the type of environmental data to inform future decisions relating to the management and siting of protected areas,” said Whitfield.
Source: consumer.healthday.com
Blogs
Dive into Adventure at Hideaway Beach Resort & Spa: The Ultimate Diving Destination in the Maldives
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To make your stay even more unforgettable, Hideaway is offering an exclusive diving package designed to enhance your experience both above and below the water. When you book a minimum 7-night stay, you’ll receive:
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Combinable Offers for Even More Value
This diving offer can also be combined with our Anniversary and Honeymoon offers, allowing you to create the perfect celebration package. Whether you’re celebrating a milestone or simply seeking a romantic getaway, this offer ensures that you can enjoy the best of both worlds – luxurious accommodations and unforgettable diving adventures.
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Terms & Conditions
- This offer is available exclusively for bookings made through the official Hideaway Beach Resort & Spa website using a specific booking code.
- The offer cannot be combined with other promotions available on the website or through other channels, nor can it be redeemed for cash.
- All dives are subject to weather conditions, ensuring the safety and enjoyment of all guests.
- Black-out dates: This offer is not available from 24th December 2024 to 9th January 2025.
To book this exquisite offer, use the Promo Code: SCUBA24FD
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Hideaway is not just a resort; it’s a sanctuary for those seeking peace, adventure, and luxury. With spacious villas, private pools, and world-class dining options, the resort offers everything you need for a perfect holiday. From tennis, golf, gym, cycling to the exquisite underwater activities, unique dining options, Hideaway has something for everyone. And for diving enthusiasts, it provides an unparalleled opportunity to explore some of the most beautiful dive sites in the world.
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Our dive center is fully equipped with state-of-the-art gear, ensuring that every dive is safe, comfortable, and enjoyable. Our instructors are passionate about the underwater world and are eager to share their knowledge with you, whether it’s your first dive or your 100th.
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The Ultimate Dive Adventure Awaits
If you’re looking for an unforgettable diving holiday in the Maldives, look no further than Hideaway Beach Resort & Spa. With over 30 dive sites, unique marine life, and exclusive offers, we provide the ultimate underwater experience. Whether you’re celebrating a special occasion or simply seeking adventure, our diving package offers exceptional value and incredible memories.
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Call: +960 650-1515
Website: www.hideawaybeachmaldives.com
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