Articles tagged with Coastal Ecosystems
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
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Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A collaborative research project, 'Ecosystem on the Edge,' aims to understand how coastal marsh plants and microbes interact in a constantly pulsating environment. The four-year study at Plum Island Ecosystems Long Term Ecological Research site will investigate controls and impacts of iron and sulfur cycling.
A study published in Environmental DNA analyzed seawater samples from the Ogasawara Islands, detecting 124 unique fish species and 38 coral genera. The research highlights the importance of monitoring biodiversity in remote regions using efficient methods like eDNA sequencing.
A study reveals that sea otter reintroduction has slowed creekbank erosion by up to 90% and restored marsh stability despite rising sea levels and pollution. The researchers suggest that this phenomenon can have far-reaching benefits for ecosystems worldwide, overturning the traditional bottom-up paradigm of coastal geomorphology.
New research reveals how human activities affect the marine phosphorus cycle in coastal seas, leading to changes in coastal biodiversity and ecosystem services. The study identifies an 'Anthropogenic Nitrogen Pump' that reduces phosphate levels, limiting algae growth, and enhances the utilization of dissolved organic phosphorus.
Researchers found that coastal trapped waves and tidal mixing control primary production in the tropical Angolan upwelling system. Productivity peaks occur seasonally, with strong fluctuations during austral winter.
Researchers found rapid microplastic accumulation and contamination across prey organisms, with Galápagos penguins showing the highest level. The study highlights the urgent need to reduce plastic waste and protect vulnerable ecosystems.
A new study reveals high concentrations of PFAS in micro-estuaries, posing significant risks to the environment and human health. The research emphasizes the need for targeted environmental management strategies to protect these critical ecosystems.
New study reveals that kelp forests off the Pacific Coast were thriving 32 million years ago, with fossilized holdfasts showing evidence of ancient marine mammals and invertebrates. The discovery sheds light on the evolution of kelp ecosystems and highlights the importance of fossil hunting by amateur collectors.
A new study uses machine learning and satellite imagery to create the first global map of large vessel traffic and offshore infrastructure, finding a remarkable amount of activity previously unknown. The analysis reveals that industrial fishing and transport activities are concentrated around Africa and south Asia.
Researchers found that coast redwood's massive carbon reserves fueled growth of new leaves after a catastrophic fire, allowing the forest to begin regenerating. However, many trees did not survive, and it may take centuries for the ecosystem to fully recover.
The study identifies five critical risk factors to delta sustainability: land subsidence, population density, ineffective governance, economic capacity, and crop land use. Local and global approaches, combining hard and soft adaptation methods, can mitigate risks.
Researchers urge concerted action to mitigate global warming's impact on polar ecosystems, which are both the most-threatened and least-understood areas. The study aims to map all biodiversity in these regions to sustainably manage unique habitats and their ecosystem services.
A study found that invertebrate abundance and diversity decreased near human activities like shellfish harvesting and heavy metal pollution. In contrast, environmental factors like water temperature and salinity impacted invertebrates further away from human settlements.
Researchers say current models fail to project oxygen dynamics in coastal ecosystems with high photosynthetic activity, such as seagrass meadows and coral reefs. Fluctuations in oxygen levels have been observed in systems like the Venice Lagoon and Red Sea coral reefs, where marine species adapt to changing conditions.
A team of international scientists found that coral reefs, marshes, and mangroves could be destroyed within the next 30 years from rising sea levels. Coastal habitats are essential for protecting coastlines, trapping carbon, and supporting millions of coastal residents.
A new study published in Nature warns that coastal wetlands and coral reef islands are unlikely to survive at current rates of sea-level rise exceeding 7 millimeters per year. The study suggests that global warming must be limited to less than 2 degrees Celsius for these ecosystems to have a chance.
Sea urchins struggle to 'get a grip' as climate change causes lower salinity levels, affecting their ability to attach to surfaces. The study found that low salinity conditions negatively impact righting response, movement, and adhesive ability.
A six-year dune restoration project in Santa Monica Beach, California, has shown promising results in increasing the beach's resilience to sea level rise. The project involved creating a natural dune system using native vegetation, which trapped sand and formed hummocks and dunes.
A study led by the University of Konstanz warns that human-induced salinity changes could have devastating impacts on marine organisms and ecosystems. Salinity is a critical factor in many metabolic processes, and its effects are often underestimated due to its complex interactions with other physical and chemical properties.
A new study uses marine fossils to infer the health and stability of coastal ecosystems, revealing consistent patterns in population declines and species extinctions. The findings provide a reliable benchmark for conservation efforts and offer insights into the impacts of human activities on marine biodiversity.
A new hedging strategy for coral restoration balances species diversity and ecosystem benefits by selecting key species that maintain critical functions. The approach considers a range of local species and ecological characteristics to ensure the most effective restoration outcomes.
A new Stanford-led study quantifies the value of Belize's coastal mangrove forests in terms of carbon storage, tourism, and fisheries benefits. The findings suggest that relatively small amounts of mangrove restoration can have big economic benefits, while also providing protection against coastal storms and other risks.
Restoring blue carbon ecosystems like seagrasses and mangroves can remove additional carbon from the atmosphere while combating ocean acidity. This process, known as inorganic carbon capture, is potentially more durable than organic carbon burial.
Researchers from the University of Gothenburg found that replanted eelgrass meadows can restore biodiversity rapidly, with up to 80% of invertebrates returning after just three months. The study's findings suggest smaller plot sizes can be used, saving money on restoration efforts while maintaining ecosystem health.
A new study found that coastal light pollution causes corals to spawn one to three days closer to the full moon, reducing the likelihood of fertilized eggs surviving and producing new adult corals. This disrupts the natural spawning cycle, which is critical for reef recovery after mass bleaching events.
A team of scientists, including a University of Central Florida researcher, is developing oyster-based shoreline protection for U.S. coastlines. The project aims to create self-repairing reef-mimicking structures to mitigate coastal flooding and erosion.
Study in Florida Bay reveals that turtlegrass can successfully recruit into open bare sediment following die-off events due to biomass partitioning and efficient oxidation. However, recovery of seagrass meadows takes time, with full recovery taking at least a decade.
The MBL's 36th year Logan Science Journalism Program provides immersive research training for twelve fellows from prominent news organizations. They will participate in Biomedical and Environmental Hands-On Research Courses, exploring cutting-edge technologies and scientific innovations.
The City University of Hong Kong (CityU) has been approved to establish the first UNESCO Regional Training and Research Centre on coastal contaminant monitoring in Hong Kong, focusing on the Western Pacific region. The centre aims to strengthen marine pollution monitoring, promote innovative technologies, and facilitate international r...
A UH-led research team has developed a cost-effective method for removing harmful chemicals and heavy metals from coastal waters by utilizing native aquatic plants. The system, which includes floating aquatic plants and synthetic mats, can help restore ecological balance and keep communities healthy.
The REST-COAST Summer Workshop brought together experts from around the world to discuss innovative research and management strategies for coastal restoration. Key findings included the financing of restoration projects, nature-based solutions, and coupled modelling systems for risk reduction.
A recent VIMS study uses a new computer model to simulate the impact of sea-level rise on coastal carbon storage. The research found that moderate rates of sea-level rise enhance plant productivity and carbon preservation, while rapid rise rates can lead to marsh collapse and decreased carbon storage.
A 50-year study on Great Sippewissett Marsh found that more than 90% of the world's salt marshes will be underwater by 2100 due to sea-level rise. Despite attempts to adapt, low-lying wetlands are unlikely to migrate landward, and human development may exacerbate the problem.
Human activities are causing rapid changes to the ocean soundscape, harming invertebrates through cellular and ecosystem-level impacts. The study highlights the sensitivity of various invertebrates to underwater sound and emphasizes the need for urgent research and mitigation strategies.
Elevated atmospheric CO2 concentrations are expected to increase mangrove's ability to sequester additional carbon, reducing the rate of greenhouse gas emissions. Long-term field observations and experiments can help better understand the mechanisms behind this phenomenon and predict future changes in mangrove carbon sequestration.
A new study by Monterey Bay Aquarium reveals the key components contributing to successful releases of orphaned southern sea otters back into the wild. The research emphasizes the strong maternal drive of surrogate female sea otters in nurturing and caring for pups, resulting in a three-quarters success rate.
A new study found that mussels, considered ecosystem engineers, play a critical role in protecting coastal systems from sea-level rise. They contribute to marsh accretion through sediment deposition, helping these ecosystems persist in the face of climate change.
Aquaculture can help restore ecosystems by removing excess nutrients and promoting biodiversity. Conservationists are using aquaculture techniques to create healthy habitats for marine species, including shellfish reefs and fish populations.
A recent study by University of Washington researchers found that climate 'presses' and 'pulses' have equal importance on Magellanic penguin population survival. The team analyzed nearly four decades of data at Punta Tombo, Argentina, revealing a decline in breeding pairs from 400,000 to 150,000 between the 1980s and 2019.
A new study reveals that high-quality coral reefs in Hawaii are popular tourist sites, but also at risk from tourism-related development and pollution. The research used social media and aerial mapping to analyze the impact of tourist visitation on live coral cover across hundreds of coastal sites.
Researchers analyzed fossil bed in Nevada's Berlin-Ichthyosaur State Park to determine cause of mass extinction. They found evidence that ichthyosaurs died due to migration, not mass stranding or environmental toxins.
Researchers from SPUN mapped the diversity of mycorrhizal fungi across Palmyra Atoll, finding unique nutrient feedback loops that support rainforests, plankton communities, and coral reefs. The study highlights the importance of these underground networks in maintaining ecosystem resilience to climate change.
HKU Marine Scientists found that oyster reef restoration rapidly increases marine biodiversity, with a 35% shortfall in species diversity and ecosystem services. The research suggests that long-term protection is needed to mature restored reefs into complex ecosystems.
A new study published in the Journal of Zoological and Biological Gardens highlights the successful sea otter rehabilitation program at Monterey Bay Aquarium. The program uses surrogacy as a comprehensive approach to rehabilitation, with 71% of surrogate-reared pups surviving post-release compared to 27% that underwent human-led rehabi...
A regime shift in the Southeast Greenland marine ecosystem has led to a permanent change from an ice-infested to a more temperate system, with large numbers of fin and humpback whales migrating to the area. This tipping point may be irreversible, having cascading effects throughout the ecosystem.
Researchers measured phycotoxin concentrations in bull sharks caught in the Indian River Lagoon, finding multiple toxins widespread or persistent in the environment. The study highlights dietary exposure as a key mechanism of toxin transfer to bull sharks.
A study found high concentrations of microplastics in protected areas like Florida Bay, highlighting the need for effective waste management. Coastal lagoons with slow water turnover rates are particularly susceptible to microplastic pollution, posing risks to fish fauna and other organisms.
Despite declining coral, fish, seagrass, and manatees in the Florida Keys, sea urchin populations have remained relatively stable since the 1960s. These marine animals are essential for maintaining healthy environments by cleaning, ventilating, and enriching sediment.
A comprehensive classification of world's ecosystems across land, rivers, and wetlands enables effective biodiversity conservation and informed policy decisions. The typology helps policymakers and industry plan initiatives in full context, informing decisions on ecosystem protection and restoration efforts.
Geoscientists at the University of Sydney have created a method to assess the health of coral reefs from space by analyzing sand aprons. The research reveals that sand aprons can be used to predict carbonate sediment productivity, with significant declines detected in recent years, indicating potential effects of climate change.
A marine heatwave in Baja California led to the loss of a native kelp forest, replaced by invasive algae species. The study found that the warm waters hindered native kelps while allowing invasive species to thrive, potentially affecting other organisms up the food chain.
A new study reveals that global warming has doubled the probability of extreme ocean warming events in Japan's marginal seas since the 2000s. The increased occurrence frequency is attributed to human-induced climate changes, with most events linked to global warming.
Invasive house mice on Southeast Farallon Island consume and compete with native species for food, leading to significant impacts on the island ecosystem. The study found that mice are highly opportunistic eaters whose diets vary throughout the year in response to changes in food availability.
University of South Florida researchers found that mangroves have overtaken 83% of oyster reefs in Tampa Bay, leading to a decline in ecosystem function and habitat for threatened species. Climate-driven changes are altering subtropical ecosystems, threatening the very foundations of coastal biodiversity.
Research warns of substantial loss in kelp canopy, decline in Dungeness crab and razor clam survival rates, and loss of aerobic habitat for anchovy and pink shrimp. Climate change impacts will be complex, with some effects boosting metabolism but others decreasing survival rates.
A new study challenges the notion that restoring coastal vegetation like mangroves and seagrass can significantly remove CO2 from the atmosphere. The review highlights seven reasons why blue carbon accounting is uncertain, including high variability in carbon burial rates and vulnerability to climate change.
A global survey of biodiversity experts finds that more species are threatened with extinction than previously thought, with estimates suggesting 30% of species have been lost since 1500. The study identifies climate change, pollution, and land-use changes as key drivers of biodiversity loss.
A global team of experts identifies 15 emerging issues threatening marine and coastal biodiversity, including lithium extraction and deep-sea fishing. The horizon scan highlights the importance of assessing these issues now to drive policy change and protect ecosystems.
A report by experts predicts 15 issues that will impact marine and coastal biodiversity in the next decade, including lithium extraction, wildfires, and overfishing. The study aims to raise awareness and encourage investment to protect these ecosystems.
Great White Sharks have been avoiding a South African coastal region due to the presence of Orcas. Long-term sightings and tagging data show that Great Whites flee areas with high Orca activity, adopting a 'flight' strategy reminiscent of wild dogs in response to increased lion presence.