Articles tagged with Marine Conservation
A study by Florida Atlantic University and the University of Tübingen found that rainfall cools beach surfaces and enhances moisture for egg development, making it a crucial factor in determining hatchling body size. The research suggests that global warming may shorten incubation periods and disrupt growth, affecting sea turtle survival.
Researchers found that stock assessments have often been overly optimistic, with a third of sustainably fished stocks classified as overfished. They call for simpler models and greater use of the precautionary principle to protect fish stocks.
Researchers at Uppsala University studied Northern krill and found extensive genetic variation critical for adaptation to different climates. The study identified hundreds of genes associated with heat and cold sensitivity, nutrient uptake, and reproduction.
Brooke Flammang's Fluid Loco Lab at NJIT will develop non-invasive tag attachment technology for near real-time tracking of North Atlantic right whales. The project aims to improve conservation and regulation policy decisions with accurate predictions on whale distribution and habitat use.
Researchers will develop an AI-driven system for photo-identification and tracking of Florida manatees, optimizing the cost-precision trade-off in traditional tracking methods. The project aims to streamline conservation efforts while providing essential information on population dynamics, health, risks, and vulnerability.
A UK-based study reveals that an offshore mussel farm is reviving shellfish reefs off the English south coast, a process previously unseen in 150 years. The research found mussels deposited on the seabed create habitats for commercially important species like European lobsters and brown crabs.
A new platform, Ocean Species Discoveries, facilitates rapid taxonomic description of marine invertebrate species, reducing decade-long delays. This initiative, coordinated by the Senckenberg Ocean Species Alliance, aims to discover, protect, and raise awareness of threatened marine species before they become extinct.
A new study reveals that large apex species like tiger sharks and great whites are critical to healthy oceans, but their populations have plummeted by 71% in the past 50 years. Conservation efforts must prioritize protecting these ecological roles to maintain ocean balance.
Using 3D models, researchers tracked the response of 1,832 coral colonies to two moderate-strength bleaching events off Maui. They found that some corals showed signs of acclimatization, surviving both bleaching events and potentially informing approaches to coral reef conservation.
A new study has determined the vertical limits of the marine environment in the Southwest Atlantic, revealing that the mesophotic zone extends to a depth of between 15m and 18m. The research found distinct differences in fish diversity and species composition between the shallow and mesophotic zones.
Researchers captured a unique opportunity to study the impact of vessel strikes on large marine animals. The basking shark was struck while feeding on the surface, causing visible damage and increasing its frequency of tailbeat as it headed to the seafloor.
Researchers have made groundbreaking insights into the reproductive behaviors of a mysterious apex predator, leopard seals. A two-hour courtship interaction between a male and female leopard seal in Laguna San Rafael, Chile, revealed complexity in their behavior, including in-air calls by females and underwater vocalizations.
A new study predicts that expanding marine protected areas will decrease both inside and outside the reserves, challenging common assumptions about ocean conservation. The research model used historical fishing data and machine learning to forecast the impact of large-scale closures on global fishing effort.
New research reveals oyster sanctuaries contain more abundant populations of oysters and other animal life, despite the presence of parasites. The study found that these areas support higher oyster densities and habitat quality than nearby harvest sites.
New research reveals that artificial light at night (ALAN) attracts larval fish to artificially lit environments, reducing their chances of survival. ALAN has been shown to lower fish growth rates, metabolic rates, and overall survival, with serious consequences for fish conservation.
Kelp forests in southern Maine have collapsed due to warming, while northern regions continue to provide key ecosystem services. The study highlights regional differences in forest health and the importance of targeted management to preserve these ecosystems.
A new study found that magnesium levels in sandhoppers increase during cold weather, slowing their activity. In deeper sleep, magnesium levels can more than double, putting the sandhopper into a torpid state and allowing it to conserve energy.
Researchers found 8% of sold sea cucumbers as threatened brown species, linked to overharvesting. Genetic analysis suggests widespread availability poses a threat to biodiversity loss in NYC Chinatowns.
Researchers propose a conservation credit system to reduce costs and meet 30x30 ocean protection targets by allowing countries to trade conservation obligations. This approach enables nations with higher conservation costs to pay others to increase their efforts, achieving more equitable conservation across the globe.
Researchers evaluate the social narratives, technology, and co-impacts of coral reef preservation, seagrass restoration, and seaweed cultivation in the fight against climate change. These blue carbon solutions have the potential to reduce emissions and advance conservation policy.
A new tool for forecasting coral disease has been developed by researchers from the University of Hawai'i, which can predict the risk of two diseases across reefs in the Pacific and Australia. This system can help managers detect early changes in the environment and take timely interventions to protect coral reef ecosystems.
A new study found that 62% of Marine Protected Areas (MPAs) designated to protect rare migratory fish species are outside of their core habitats. The study suggests that existing MPAs are not adequately protecting these species due to a lack of data on their distribution and habitat.
Researchers propose comprehensive strategy for climate-smart marine spatial planning (MSP) in the Southern Ocean, integrating diverse interests and addressing climate stressors. MSP can serve as a testbed for international waters, informing implementation of the UN Agreement on marine biodiversity beyond national jurisdiction.
Researchers confirm Atlantic cownose ray (Rhinoptera bonasus) has made a novel migration to Bermuda, using citizen science and morphological/data analysis. The species likely resides in Bermuda for extended periods due to the islands' mild sea temperatures.
A young sperm whale's long-range migration across the Mediterranean poses significant threats to its survival due to busy straits and pollution. The study demonstrates the need for targeted protection at key locations to safeguard marine life in the region.
A recent study by CNRS scientists analyzed the world's 100 largest MPAs and found that only a third of them offer real protection on a global scale. The study also reveals that unregulated and unmanaged areas account for a quarter of the surface area, with many MPAs allowing industrial activities incompatible with marine conservation.
A study by Macquarie University found 70% of shark meat sold in Australian markets was mislabelled, including threatened species. The research highlights the need for improved labelling standards and enforcement to support sustainable consumption.
A new analysis of 100 largest MPAs reveals slow implementation and inadequate regulations, raising concerns about conservation efforts. Effective design and management are crucial to achieving the goal of protecting at least 30% of the ocean by 2030.
The study analyzed the 100 biggest marine protected areas, finding that slow implementation of management strategies and lack of restriction on human activities hinder their effectiveness. The authors highlight the need for improved quality of marine protected areas to achieve the goal of protecting at least 30% of the ocean by 2030.
A global study reveals progress in marine ecosystem-based management (EBM) initiatives, but acknowledges remaining impediments such as governance, stakeholder engagement, and technology. Experts emphasize the need for political will, persistence, and strategic marketing to overcome these challenges and accelerate EBM adoption.
New research reveals human activities alter marine organism preservation, improving or impairing the fossil record. Human actions can prevent useful information about ongoing changes and enhance the quality of the fossil record.
Researchers used newly analyzed data to predict and help avoid whales' harmful exposure to commercial fishing and vessel strikes. The study mapped the density of one of the most endangered large whale species worldwide, the North Atlantic right whale.
The Global Ocean Artificial Light at Night Network aims to expand on previous research, providing a central resource for marine light pollution expertise. Light pollution poses significant ecological harm, including disruptions to daily rhythms and reproductive cycles of marine species.
Researchers from the University of Oldenburg aim to propagate stony corals via natural reproduction and grow out young corals in aquaria for a more sustainable coral trade. If successful, this method could boost wild coral protection and reduce reliance on expensive export restrictions.
Despite being in place to rebuild fish populations, marine protected areas have flatlined or declined adult fish populations. Strong enforcement and climate-friendly design are crucial for their success.
A global study of 34 countries reveals that marine protected areas deliver significant economic benefits to the fishing and tourism industries. The study found that MPAs boost either fishing or tourism, with some profits in the billions, and that strictly protected areas are more profitable and cheaper to manage.
Researchers simultaneously tagged many humpback whales from the same pod to analyze their vocalization and compare individual calls. This study provides new information about whale behavior and communication, crucial for informing future conservation efforts.
Researchers from Project Seahorse analyzed 7,794 validated iSeahorse observations from 96 countries, revealing new information on sex ratio and pregnancy seasonality. The study found that many seahorse species have larger geographic ranges, more diverse habitats, and shallower depth ranges than previously known.
Salps are found to control microbial community structure and function by capturing a variety of microbe types, including Prochlorococcus. The study reveals that simple mechanical principles do not explain cell capture by salps, indicating a complex mechanism at play.
The sequencing of the blue whale and Etruscan shrew genomes has provided significant insights into developmental biology, with the largest mammal showing a surprisingly slow developmental clock. The study also sheds light on metabolism, with the tiny shrew serving as a model for understanding high-energy demands.
A new study tracked 52 leatherback sea turtles off the coasts of Cape Cod and Beaufort, North Carolina, revealing significant foraging activities in the Mid-Atlantic Bight and Southern New England. The research highlights the urgent need for conservation efforts to mitigate risks such as incidental capture by fisheries and vessel strikes.
A new study at Georgia Aquarium reveals belugas have big caloric needs to maintain their cold-water lifestyle, limiting their ability to escape human disturbances. The data will inform management decisions for Cook Inlet belugas and help create predictive energy models to evaluate the impact of human activities.
A new study reveals that marine heat waves disrupt the ocean food web in the northeast Pacific Ocean, shifting energy and impacting predators and prey. Gelatinous zooplankton thrive during heat waves, drawing energy out of the ecosystem and potentially affecting fish and marine mammals.
Researchers used VHR satellite imagery to monitor emperor penguin global population trends, finding nearly 10% fewer birds in 2018 compared to 2009. This new monitoring methodology could help with adaptive conservation management efforts and provide insights into the causal factors behind the population trend.
A new study identifies ten key components to promote sustainable, equitable, and climate-smart ocean planning initiatives worldwide. The proposed components include foundational principles and operational pathways that aim to support marine managers and planners in developing climate-smart ocean plans.
A study found over 40% of loggerhead sea turtles in the Mediterranean contained macroplastics, including a Halloween toy. Researchers say these turtles could be used as 'bioindicator' species to understand the impact of plastic pollution.
Researchers found that restored coral reefs can triple their coral cover and carbonate production rates within four years, making them comparable to healthy reefs. However, the community composition on restoration sites differs from healthy reefs due to mixed branching coral types.
Researchers at Uppsala University have discovered eight new deep-sea species of marine sponges in the Balearic Islands, increasing the ecological importance of the region. The study reveals a strong case for the inclusion of underwater mountains and caves within the Natura 2000 Network, emphasizing the need for conservation efforts.
A new eight-year study found that about 60 species of deepwater sharks and rays are threatened with an elevated risk of extinction due to overfishing. The analysis highlights the need for regulating international trade in shark liver oil and protecting 30% of the world's oceans by 2030.
A group of marine biologists challenge the notion of a stable white shark population shifting eastwards along South Africa's coastline. They argue that data cannot support population stability or redistribution claims, citing issues with dataset presentation and the onset of declines predating orca appearances.
Researchers observed an individual orca, nicknamed Starboard, killing a 2.5-meter juvenile great white shark within two minutes. The study challenges conventional cooperative hunting behaviors among killer whales, providing new insights into their predatory dynamics and potential impact on marine ecosystems.
A new analysis of 14,000 fish surveys in 216 MPAs across 43 countries reveals that no-take MPAs are effective in restoring fish populations but come at a cost to coastal communities. The study suggests multiple-use MPAs, where fishing is regulated, can be a more equitable alternative.
Researchers analyzed tissue and fecal samples from 90 stranded marine mammals to study the distribution of toxic elements. The study found that Risso's dolphins and short-finned pilot whales had high concentrations of mercury, cadmium, and lead, while dwarf sperm whales had low levels.
Researchers used movement behavior models to track leatherback sea turtles to previously unknown foraging locations along the US east coast. The study found that leatherbacks use specific areas in the South Atlantic Bight, Mid-Atlantic Bight, and southern New England as both migratory corridors and foraging grounds.
Researchers have discovered an estimated 348,000 square kilometers of shallow coral reefs worldwide, revising previous estimates. The high-resolution satellite maps also identify areas with hard and soft bottoms, providing valuable data for scientists and policymakers to better understand and manage reef systems.
A recent Monterey Bay Aquarium study found that denser and more sheltered kelp forests can withstand severe stressors from warming ocean temperatures. The research also showed that persistent kelp forests are better equipped to handle multiple stressors, including sea urchin outbreaks and marine heatwaves.
A Brazilian researcher led a team that described a rare medusa, Santjordia pagesi, discovered at a depth of 812 meters in the Sumisu Caldera. The species has a unique bright red stomach and may possess an arsenal of venoms unlike those discovered to date.
A new study reveals tiny plankton (0.02mm) make up majority of ocean plankton, playing critical role in ecosystem health and oxygen production. The research emphasizes the need to take these tiny organisms seriously and incorporate them into global ocean policy.
A study published in Marine Policy found that spatial restrictions after Brexit led to a doubling of greenhouse gas emissions from Norway's mackerel fishing fleet. The change resulted in a significant increase in fuel usage and carbon footprint, equivalent to half a million CO2 emissions per year.
Researchers observed that clown anemonefish colonies display the most aggressive behavior towards fish with three bars like themselves. The fish also recognize different anemonefish species based on the number of vertical white bars, leading to strict social hierarchies and upholding dominance.