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Marineconservation

All articles tagged with #marineconservation

science1 year ago

Mysterious 'Yellow Brick Road' Discovered Beneath Pacific Ocean

In 2022, the E/V Nautilus crew discovered a geological formation resembling a 'yellow brick road' on the ocean floor in the Papahānaumokuākea Marine National Monument, sparking public intrigue. This formation is actually a fractured flow of hyaloclastite rock, created by volcanic activity when lava interacts with water. The Nautilus team clarified this in 2024, emphasizing the natural origins of the formation. The vessel continues to explore marine areas, contributing to geological and biological research.

via Forbes|
#evnautilus#geology#marineconservation
environment1 year ago

"Rapid Recovery: Steel Frames Revive Damaged Coral Reefs in Just Four Years"

Scientists have successfully revived a dead coral reef off the coast of Indonesia by installing steel frames on the sea floor and transplanting coral onto them, demonstrating the potential for restoring damaged reefs. The project, part of the Mars Coral Reef Restoration Program, utilized locally-fabricated steel structures to stabilize floating dead coral rubble and provide a foothold for transplanted live coral. While the restored reefs exhibit similar growth and vigor to healthy reefs, they are dominated by fast-growing coral species and differ in some aspects from natural reefs. Nonetheless, this success offers hope for bolstering reef resilience in the face of climate change threats.

via Futurism|
#climatechange#coralreefs#environment
environment-and-science2 years ago

"Alaska Cancels Snow Crab Season Again Amid Continuing Population Decline"

Alaska's snow crab season has been canceled for the second consecutive year due to a dramatic decline in the crab population, with an estimated 90% drop. This has caused significant economic strain on the local fishing community. The decline is attributed to environmental changes and a marine heat wave that affected the crabs' food supply, leading to starvation. Biologists and the Alaska Department of Fish and Game hope that suspending the fishing season will allow the crab population to recover. However, there is growing concern that the effects of climate change may continue to negatively impact the species and the fishing industry that relies on it.

via CBS News|
##alaska#climatechange
environment-and-technology2 years ago

"AI and Satellite Data Unveil the Hidden Congestion and Illegal Activities of Ocean Vessels"

A new study utilizing satellite imagery has revealed extensive illegal fishing activities by the 'Ghost Fleet,' which accounts for 75% of the fish industry's unmonitored and unregulated operations. This breakthrough in mapping industrial activities at sea from 2017 to 2021 highlights the challenges in tracking maritime activities due to limited vessel-tracking systems and the lack of mandatory tracking devices on all vessels. The findings are significant given the ocean's vital role in global trade, food supply for over a billion people, and employment for 260 million in the marine fisheries sector.

via Interesting Engineering|
##environment-and-technology#ghostfleet
environment-and-science2 years ago

"Satellite Data Uncovers the Vast, Unseen Industrialization of Our Oceans"

Researchers have utilized satellite imagery and deep learning to create a detailed global map of industrial activities at sea, revealing extensive fishing and non-fishing vessel activity that is not publicly tracked. This study, analyzing 2 petabytes of satellite data from 2017-2021, found that about 75% of global industrial fishing and 25% of other vessel activities evade public monitoring systems. The findings highlight the significant environmental impact of the 'blue economy' and the need for better oversight to ensure sustainable use of ocean resources. The data also show a decrease in fishing activity during the COVID-19 pandemic, contrasting with the stability or growth of transport and energy-related vessel traffic. The study underscores the importance of accurate mapping for managing human activities in the ocean and informs policies on reducing greenhouse gas emissions from maritime industries.

via Nature.com|
##artificialintelligence#blueeconomy