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Marine Conservation

All articles tagged with #marine conservation

Bottle reflectors on nets could help dolphins dodge fishing gear
science1 month ago

Bottle reflectors on nets could help dolphins dodge fishing gear

Two studies tested attaching glass or plastic bottles to gillnets to boost dolphins’ ability to detect nets via echolocation. Results varied by region: in Peru and Zanzibar the bottles had mixed or limited effects (Peru saw more fish but no clear dolphin reduction; Zanzibar saw more tuna with no dolphin data to conclude), while in Brazil, bottom-set nets with bottle reflectors reduced dolphin bycatch by about 88% without harming target fish. The authors suggest the approach is low-cost and scalable, warranting further trials elsewhere to confirm effectiveness.

Rediscovered Deep-Water Reef Off Benin Surprises Scientists with Rich Biodiversity
science1 month ago

Rediscovered Deep-Water Reef Off Benin Surprises Scientists with Rich Biodiversity

Scientists rediscovered a healthy mesophotic reef off Benin, West Africa, more than 60 years after it was first hinted at, hosting at least eight coral types and eight fish species (including soft corals and black corals). The reef lies about 175 feet below the surface and bridges shallow and deep habitats, offering opportunities for paleoclimatic study and carbon dating, with plans to seek protection and hopes that the Gulf of Guinea becomes a regional hub for marine science.

Heat-Budget Hazards: Oceans Push Great White Sharks Toward Overheating
environment4 months ago

Heat-Budget Hazards: Oceans Push Great White Sharks Toward Overheating

As the ocean warms, mesothermic predators like great white sharks and certain tuna must burn more energy to stay warm, forcing them to relocate to cooler waters and cope with dwindling prey; sensor data show that a one-ton warm-bodied shark may struggle to stay in water above about 62.6°F (17°C), highlighting overheating risk alongside ongoing threats from overfishing and bycatch.

Global Coral Reefs Face Potential Collapse in 2026
environment7 months ago

Global Coral Reefs Face Potential Collapse in 2026

Coral reefs, vital to marine biodiversity, are nearing a potential catastrophic collapse due to increasing ocean heatwaves, especially around 2026, driven by climate change and El Niño cycles. While some reefs show resilience, many are at risk of irreversible damage, emphasizing the need for urgent global action to reduce emissions and local stressors to preserve these ecosystems.

NASA Scientists Discover Tiny Red Creature Supporting Whale Life
science8 months ago

NASA Scientists Discover Tiny Red Creature Supporting Whale Life

NASA's Aqua satellite has successfully detected dense patches of the tiny red plankton Calanus finmarchicus off the New England coast, a crucial food source for the endangered North Atlantic right whale, using innovative remote sensing techniques. This breakthrough allows for better monitoring of marine ecosystems and could help protect whales by predicting their movements and reducing human-related threats.

NASA Scientists Discover Tiny Red Creature Vital for Whale Survival
science8 months ago

NASA Scientists Discover Tiny Red Creature Vital for Whale Survival

NASA's Aqua satellite has successfully detected dense patches of the tiny red plankton Calanus finmarchicus off the New England coast, a crucial food source for the endangered North Atlantic right whale, using innovative remote sensing techniques. This breakthrough allows for better monitoring of marine ecosystems and could help protect whales by predicting their movements and reducing human-related threats.

China's Controversial Nature Reserve in Disputed South China Sea
world11 months ago

China's Controversial Nature Reserve in Disputed South China Sea

China has established a nature reserve at Scarborough Shoal in the South China Sea, a move that intensifies territorial disputes with the Philippines, which protests the action as illegal. The reserve aims to protect the reef ecosystem but is viewed by critics as a strategic move to reinforce China's claims over the contested waters, amid ongoing tensions and environmental concerns.