Articles tagged with Marine Biodiversity
The interim update to the State of the World's Migratory Species report warns that 49% of migratory species populations are declining, with 24% facing extinction, due to habitat loss and overexploitation. The report highlights the need for coordinated international action to address these threats and protect migratory species.
Researchers have discovered a new species of jellyfish, Malagazzia michelin, found in Japanese waters. The species has distinctive brown spots and a hemispherical umbrella-shaped body.
Killer whales in southern Alaska have a diverse diet that shifts between Chinook, chum, and coho salmon across different foraging hotspots. The study reveals the importance of accounting for sampling bias in diet studies and highlights the resilience of the region's killer whale population.
A recent study identifies plankton tropicalization in the western Mediterranean, indicating ocean warming impacts on marine ecosystems. Rising sea surface temperatures alter the base of marine food webs, affecting planktonic primary producers and consumers.
Researchers used a novel nitrogen isotope method to reconstruct ancient reef food webs, revealing that modern reefs have shorter and less diverse food chains. This loss of functional diversity makes modern coral reefs more prone to collapse, highlighting the need for conservation efforts.
A newly discovered deep-sea chiton was named Ferreiraella populi through a public naming contest on social media. The name translates to 'of the people' and was chosen from over 8,000 submissions.
The BioMARatona Portugal citizen science initiative has achieved an unprecedented milestone with a notable increase in observations gathered and recorded species. Over 5,000 observations and 450 documented species have been accumulated since 2024, mapping diverse types of coastal species.
Researchers developed the Ocean Equity Index to rate ocean initiatives on their recognition of stakeholders, inclusion in decision-making, and treatment. The index offers a practical way to prioritize coastal communities' rights and voices, leading to more equitable outcomes.
A recent study by the MarPITIUS25 project reveals that Ibiza's coastline has lower biodiversity, biomass, and adult fish populations compared to other Mediterranean locations. The study highlights the impact of environmental pressures such as wastewater discharges, desalination plants, microplastics, and intense tourism on the ecosystem.
A six-year study reveals that marine microbes interact more frequently with benefits than harm, challenging traditional views of ocean ecosystems. The research found that warmer temperatures increased positive interactions and changed the dynamics of keystone microbial species.
A new study by the University of Oxford and WCS reveals that connections between coral reefs can stabilize reef health, reducing the risk of collapse. By simulating future reef conditions under different management scenarios, researchers found that a dual approach improving land and sea conditions provides the best outcomes for reefs.
An analysis published in Environmental Research Letters found that Regional Fisheries Management Organizations (RFMOs) are underperforming and failing to meet their conservation goals. The study graded 16 RFMOs in 10 categories, with an average score of 46 out of 100, indicating a significant gap between performance and mandates.
A new species of Physalia jellyfish has been discovered in northeast Japan, prompting questions about the distribution and movement of marine organisms. The study suggests that warm ocean currents may be transporting surface-drifting marine organisms to previously unrecorded areas.
A new study on Ascension Island's shark troubles has found that human attitudes towards interactions with sharks can drive global decline in shark numbers. The research, conducted by the University of Exeter and ZSL, interviewed islanders about their perceptions of sharks and human-shark conflict.
The Crown Princess of Sweden has been honoured with a professorship in biodiversity at the University of Gothenburg. The professorship, valued at 20 million Swedish kronor, will enable researchers to pursue interdisciplinary research and promote sustainability.
Researchers developed a new tool that uses spatial audio and 360° video to pinpoint individual fish sounds, identifying 46 species from the Caribbean coral reefs. The technology enables automatic training of machine learning systems to detect fish species in underwater recordings.
A new study using underwater cameras found the Isles of Scilly's waters support vibrant marine life including sharks, lobsters, and bluefin tuna. The cameras also revealed complex seabed habitats hosting high biodiversity, highlighting the importance of protecting these areas to restore degraded UK seas.
Dr. Julian Schrader will investigate the interaction between climate change and plant species spread on islands using a 1.5 million euro grant. He aims to close the knowledge gap on migration processes and their consequences for species communities.
A deep sea worm accumulates arsenic particles in its skin cells, which react with sulfide from hydrothermal vent fluids to form orpiment, a yellow mineral that reduces toxicity. This 'fighting poison with poison' strategy enables the worm to thrive in highly toxic environments.
Researchers have recorded the sliteye shark for the first time on the Great Chagos Bank, highlighting the ecological importance of the archipelago's Marine Protected Area. The discovery provides new insights into deepwater seagrass habitats and their role in supporting marine biodiversity.
The Kunming-Montreal Global Biodiversity Framework sets robust targets for protecting marine biodiversity, addressing its complexity and variability. By focusing on key indicators such as species distribution, genetic diversity, and ecosystem structure, policymakers can track changes and implement effective conservation measures.
A new study highlights the importance of Vast Marine Protected Areas in protecting diverse marine species. Tracking data from sea turtles, manta rays, and seabirds revealed that 95% of tracking locations were recorded inside the Chagos Archipelago MPA.
Scientists have uncovered the remains of a vast animal community that lived in the European Arctic 75,000 years ago. The bones represent the oldest example of an animal community in the region during this warmer period of the ice age, providing valuable insights into how wildlife responded to dramatic climate shifts.
A recent study challenges the idea that specialization with sea anemones explains clownfish diversification. Researchers identified 'eco-morphotypes' independent of host specialisation, with some species expending less energy for swimming and regularly swimming away from their anemones.
The book examines biodiversity, ecology, and conservation strategies across Mexico's deserts, focusing on the Baja California Peninsula, Chihuahuan Desert, Sonoran Desert, and Tehuacán-Cuicatlán Valley. Key findings include the ecological roles of natural products and traditional medicinal plants.
Researchers found whales and dolphins, including an endangered sperm whale, in the Clarion Clipperton Zone, a vast area of deep ocean and seamounts. Chronic exposure to mining noise could disrupt key behaviors, leading to cascading ecological consequences.
A recent study sheds light on the diverse species of soft corals, which were previously difficult to identify due to their variable sclerites. The researchers sequenced DNA from over 4,400 specimens and found that soft corals are more diverse than initially thought, with new discoveries made in regions previously unexplored.
A study by Chuo University reveals that American eel is widely distributed in processed eel products sold at Japanese retail stores, contradicting the country's primary reliance on Japanese Eel. The research highlights the need for sustainable use of anguillid eels beyond Japanese Eel to ensure their conservation.
A new study reveals that global marine biodiversity data is heavily biased towards shallow waters and vertebrates, with vast areas of the deep sea and invertebrates poorly represented. The findings highlight the need for prioritized sampling to fill these gaps and support sustainable ocean management.
A group of top scientists, including Professor Callum Roberts and Professor Johan Rockström, are calling for a permanent ban on extractive activities in international waters. The authors argue that stopping all extractive activity would prevent irreversible damage to the climate, marine biodiversity, and ocean equity.
The global ocean has experienced a significant reduction in the depth of its photic zones, home to 90% of all marine life, leading to widespread ocean darkening. This change could have profound implications for the planet's marine species and ecosystem services.
The University of Oldenburg has secured funding for three research clusters: Hearing4all, Ocean Floor, and NaviSense. These clusters aim to improve hearing loss prediction, diagnosis, and treatment, as well as animal navigation research. The funding enables the continuation of high-quality research with social relevance.
Researchers found that gradual warming causes significant changes in the plankton community, while heatwaves amplify these effects. The study used historical data and an experiment to simulate future warmer scenarios with and without heatwaves.
Researchers propose pathways for synergies between marine spatial planning and marine protected area planning under a rapidly changing climate. Key aspects of MSP and MPA planning set them apart, including zonation, scale, stakeholder involvement, systems view, and climate considerations.
A new study published in Marine Ecology Progress Series reveals that seagrass ecosystems along Florida's Nature Coast have remained relatively healthy over the last several thousand years. The research, conducted by conservation paleobiologists, used fossilized mollusk shells to infer ecosystem health and found that these communities a...
The latest watchlist identifies 145 non-native animals and plants that could impact biodiversity, ecosystems, human health, and economies in Britain. The top 20 threats include invasive salmon, clams, seaweed, and species like the yellow-legged hornet, raccoon, and Emerald ash borer.
A study by the University of Exeter and Fishtek Marine found that illuminated pots caught significantly more northern shrimp and attracted fish, raising hopes for sustainable fisheries. The 'attraction cascade' creates a self-baiting pot, potentially leading to new low-impact trap fisheries.
Research in China's Greater Bay Area found that almost 6,000 vessels move daily, leaving little space for nature. The study highlights the need for conservation efforts and sustainable management of coastal development.
A new study found that a pay-to-release programme increased live releases of endangered species caught as bycatch, but also encouraged some vessels to increase their catches at the expense of conservation goals. Adjustments have been made to improve the programme's effectiveness.
A mysterious parasite is devastating fish farms globally, causing £50 million in losses annually. Researchers have discovered a new gene regulation process that could lead to the development of gene-based vaccines.
The deep sea accounts for 90% of ocean volume and hosts diverse ecosystems. However, human activities like mining and climate change threaten these areas. Scientists emphasize the need for major investment in deep-sea research to address knowledge gaps and inform sustainable management strategies.
Analysis of citizen science data suggests that warmer ocean temperatures can increase loggerhead sea turtle nesting sites along Italy's coastlines. Preserving natural beaches is crucial for maintaining these habitats.
A study reveals widespread overlap between feeding grounds for seabirds, marine mammals, and regions with high wind potential. Researchers propose developing risk maps to predict conflicts and recommend expanding marine protected areas and strengthening spatial planning tools.
The discovery of a 522 mm male silver-cheeked toadfish with potent neurotoxin tetrodotoxin in the northern Adriatic raises concerns about its impact on marine biodiversity, fisheries, and public safety. The species poses a threat to local life and has been found to cause severe injuries.
Despite decades of overfishing warnings, Southeast Asia's catch fisheries have maintained biodiversity and ecological health, with a three-fold higher ratio of underfished stocks compared to the global average. This study highlights the benefits of non-species-selective multispecies fishing practices in promoting sustainable fisheries.
A University of Malaga study highlights the importance of accurate estimates of marine litter to address the environmental concern. The research found that current monitoring strategies are inadequate, and simulation experiments identified the most appropriate sampling strategies to achieve more accurate results.
A recent study published in Nature Communications provides detailed data on the far-field spatial footprint of mining-induced plume dispersion and redeposition beyond the mining area. The research found that sediment concentrations were up to 10,000 times higher near the mining site and returned to normal levels after 14 hours.
Researchers studied pumice rafts from the 2021 Fukutoku-Oka-no-Ba eruption in Japan, finding three phases of evolution involving rounding, fragmentation, and biodiversity increase. The study provides valuable information for mitigating the impact of future eruptions on shoreline communities.
The increasing extraction of sand across the world is causing significant harm to marine ecosystems, leading to coastal erosion, habitat destruction, and the spread of invasive species. Integrating sand mining into broader environmental policies is crucial to mitigating its impacts.
Researchers at University of Hawaii at Manoa have discovered 10 new marine sponge species in Kāneʻohe Bay, expanding our understanding of sponge biodiversity in the Hawaiian archipelago. The discovery sheds light on the crucial role sponges play in regulating and sustaining coral reef ecosystems.
A new model assesses mariculture's effects on marine species and forecasts its impacts by 2050 under different climate scenarios. Strategic planning can increase production of bivalve shellfish and finfish, but may harm certain iconic marine mammals.
New study highlights significant gaps in understanding how sunscreens affect marine ecosystems, with chemicals entering the environment through various pathways. Researchers emphasize the need for comprehensive studies to understand the effects of UV filters on marine life and potential risks to human health.
A multinational research project, led by UC Merced and BioSCape, used NASA aircraft to collect data on ultraviolet, visual, thermal and other images over South Africa's Greater Cape Floristic Region. The data provided a comprehensive look at the region's biodiversity and ecosystem function.
A new study reveals that Amazonian mangrove forests release essential trace elements like neodymium into the ocean, supporting marine ecosystems and the carbon cycle. Mangroves act as biochemical reactors, releasing nutrients and metals into coastal waters.
Borealis Mud Volcano provides a hard substrate for various species like anemones and octocoral colonies, sustaining local fish populations. The volcano's carbonates also offer shelter and feeding opportunities.
A study published in One Earth found that smaller fish species are more nutritious, lower in mercury, and less susceptible to overfishing. This discovery has implications for biodiversity conservation and public health worldwide.
New research reveals significant transformations in Great Barrier Reef fish communities, with changes in species richness and composition driven by coral diversity rather than coral cover. The study's findings raise questions about the shifting latitudinal diversity gradient and its implications for ecosystem functioning.
A new study examines legislation and conservation efforts in the Mediterranean region to protect over 80 shark and ray species. The research reveals substantial differences in countries' efforts, with European Union countries leading implementation of measures.
An international team of scientists mapped four unnamed underwater canyons and explored nearly 20 methane seep ecosystems off the Chilean coast. The expedition uncovered a dazzling array of creatures, including commercially valuable fish and potentially new species, in surprisingly diverse ecosystems.
The study traces the evolutionary history of brown algae through genomic analysis, highlighting their role in sustaining coastal habitats and combating climate change. The research also identifies practical applications in aquaculture, biotechnology, and ecosystem restoration.