Articles tagged with Coastal Ecosystems
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A new modeling study predicts that coastal marsh migration will release more carbon into the atmosphere, exacerbating climate change. As marshes move inland due to sea level rise, they convert land from a net carbon sink to a net carbon source, releasing stored carbon into the air.
Researchers at FAU Harbor Branch develop an ocean model to study connectivity between the Everglades and Florida Keys via Florida Bay. The tool aims to predict changes in responses to water management, ecological restoration and climate change.
Researchers from Japan developed a new model to assess mangrove forest productivity, which is influenced by environmental factors such as sea surface temperature and salinity. The model uses satellite data to estimate productivity and performed better than traditional terrestrial models.
A new study has found that invasive subtropical corals can survive and thrive in coastal Sydney, raising concerns for existing coral species. The research suggests that warming temperatures could kill off the native corals, highlighting the need to protect Australia's reefs from climate change.
Researchers have created a new classification system for coexisting mangrove-coral habitats, identifying four distinct types: lagoons, creeks, fringe areas, and under the mangrove canopy. These habitats are diverse, with about 130 species of corals living in them, and are crucial for coral survival.
The Department of Energy has awarded Early Career Research Program funding to three Oak Ridge National Laboratory scientists. The awardees will receive $500,000 annually for five years to support their research in fusion energy, advanced scientific computing, and biogeochemical controls on phosphorus cycling.
A new study reveals that urban residents have a simplistic understanding of coastal ecosystems and are less likely to take pro-environmental actions. The research highlights an issue known as urbanized knowledge syndrome, which can harm natural ecosystems and undermine community resilience.
A study of historical tiger shark jaws reveals a local southeastern Australian population has been extirpated due to shark control programs, emphasizing the need for regional management and conservation. Genetic diversity drives future evolution, and its loss can lead to reduced adaptability to environmental changes.
Seagrasses release massive amounts of sugar into their soils, storing up to 35 times more carbon than forests. Microbes thrive on the sucrose despite phenolics inhibiting metabolism, and beneficial relationships between plants and rhizosphere microorganisms are found.
The Logan Science Journalism Program has selected 12 accomplished science and health journalists to participate in its 35th annual fellowship program. The fellows will spend 10 days learning contemporary research techniques at the Marine Biological Laboratory, Woods Hole.
A study by researchers at the University of Plymouth reveals that energy-efficient broad spectrum lighting is reducing the efficacy of coastal species' camouflage. This can have significant impacts on visually guided ecological processes, with certain color variations being more vulnerable to detection.
Researchers analyzed two peat cores to discover that higher concentrations of charcoal occurred between 9,000 to 4,000 years ago due to larger forest fires. Mangrove pollen found in the earlier period indicates rising sea levels and increased salt, contributing to dry conditions suitable for massive forest fires.
A new study reveals that salt marsh grass in Georgia's coast relies on beneficial bacteria in its roots to access nutrients, improving plant productivity. The research provides insights into the importance of soil microorganisms in maintaining ecosystem health and supporting restoration efforts.
Researchers at KAUST used drones to track dye plumes in coastal waters, providing insights into the dispersion of materials in the water column and along the coast. The study demonstrated the potential of unmanned aerial vehicles for monitoring time-sensitive events and capturing rapidly developing processes.
The study found that superlinear scaling occurs in aquatic ecosystems of larger watersheds, releasing carbon back into the atmosphere. Smaller watersheds are less effective at filtering pollutants and mitigating nonpoint source pollution.
A new study reveals that marine organisms attach themselves to plastics and are transported by marine currents, contributing to the introduction of non-native species. The research found diverse marine life attached to plastic debris, including bryozoans, which could become invasive and alter ecosystems.
The study found consistent trade-offs between resistance and resilience across four ecosystems: freshwater, saltwater, wetland, and terrestrial. Managing for increased resistance may result in decreased resilience, highlighting the importance of choosing the right management strategy.
Seagrasses form methane from methylated compounds, which persist in plant tissue for decades, contributing to greenhouse gas emissions. Methane production is highly efficient and robust against environmental stresses in seagrass meadows.
A City University of Hong Kong study found that improper disposal of surgical masks can pollute over 54,800 Olympic-sized swimming pools annually with microplastics. The research also showed that microplastics accumulate in the food chain, affecting marine organisms and potentially harming higher-level species.
A University of Washington team has discovered 349 methane gas plumes bubbling up from the seafloor in Puget Sound. The bubbles are likely connected to underlying geology and may be a natural source of methane, rather than human activity.
Marine heat waves in the Chesapeake Bay are projected to increase by half a year by 2100, causing devastating impacts on marine life and coastal economies. The study found a significant upward trend in frequency and intensity of marine heat waves within the Bay.
Limpets played a significant role in global culture, medicine, and innovation, with uses dating back tens of thousands of years. They have contributed to the evolution of human brain development and feature in many place names and traditions.
A study found that a sea level drop 2,000 years ago caused the decline of Sambaqui society, forcing groups to disperse into smaller social units. The remaining populations intensified fishing, exploiting high-trophic level species.
Research reveals Arctic rivers are discharging much more water than previously thought, with acceleration up to three times higher than estimated. The RADR project assimilates satellite information into hydrologic models for the entire pan-Arctic region.
Researchers used seabird prey data to inform fisheries management and assess the impact of the COVID-19 pandemic on the marine ecosystem. The study revealed a surge in anchovy populations and changes in rockfish recruitment, informing ecologists and fisheries managers.
Researchers created a fine-grain understanding of how human wastewater affects coastal waters worldwide, mapping global sources and destinations of nitrogen. The study highlights the impact of modern diets on marine ecology and provides insights for local solutions to tackle a complex global problem.
A global meta-analysis supports the U.N.'s goal of restoring habitats, finding mangrove restoration performs better than unvegetated mud, sand flats or abandoned aquaculture ponds. Restored mangroves yield significant ecological benefits and economic value, making them an ecologically and economically sound choice.
Seagrasses have a symbiotic relationship with bacterial partners that convert nitrogen gas into a form the plants can use, allowing them to thrive in nutrient-poor habitats. This unique partnership enables seagrasses to reach their largest growth during summer months when nutrients are scarce.
A 1.5°C temperature increase affects algae and animal species living on UK coastlines, with significant changes in species abundance and breeding patterns. The study highlights the importance of considering local temperature variations when predicting climate change impacts.
A new study by Virginia Institute of Marine Science researchers maps the conditions most suitable for key species of forage fishes in the Chesapeake Bay, offering guidance for protecting or restoring their habitats. The analysis reveals that factors such as water depth and temperature affect the abundance of forage fish, with some spec...
A team of researchers is studying the Flower Garden Banks and other reefs in the Gulf of Mexico to understand how fish populations use natural banks and habitats. The four-year study aims to improve knowledge of essential habitats for key reef fish components.
A Chinese research team reconstructed past 6,000-year history of Modified Circumpolar Deep Water (MCDW) intrusion into the Ross Sea using ornithogenic sediments. The study found two periods of enhanced MCDW intrusion linked to changes in sea ice and ecological patterns.
A newly discovered ancient crab fossil, Cretapsara athanata, has shed new light on the evolution of crabs. The 100 million-year-old fossil, found in amber, provides evidence that crabs transitioned to land around 100 million years ago, bridging a previously unknown gap in their evolutionary history.
Scientists have made significant gains in understanding the Arctic's carbon cycle by studying the transfer of dissolved organic carbon from land to ocean via rivers. The research highlights the importance of this process in coastal foodwebs and the impacts of climate change on freshwater export and DOC loading.
Researchers discovered an ancient mangrove ecosystem in the Yucatan Peninsula, revealing how coastal mangroves adapted to a warmer world with higher sea levels. The study provides insights into past climate change impacts and its relevance to future scenarios of relative sea-level rise.
A new study quantifies landscape changes on barrier islands, revealing that storms can create habitat for coastal species. The research found varying impacts from two hurricanes, Irene and Sandy, which reshaped Pea Island National Wildlife Refuge.
The study found that coral reefs' capacity to provide essential benefits and services, including food and livelihoods, has declined significantly. The decline in coral reef coverage and biodiversity is attributed to climate change, overfishing, pollution, and more.
A study by the California Academy of Sciences and colleagues found significant tissue abnormalities in oysters from the Gulf Coast, even years after the devastating oil spill. The researchers discovered higher rates of metaplasia in Eastern oysters, which can cause debilitating health issues.
A new study from Oregon State University and the U.S. Department of Agriculture's National Wildlife Research Center found that beavers in the Coast Range of western Oregon exhibit relatively strong genetic differentiation, shaped by watershed boundaries and past relocations. The researchers recommend relocating beavers within watershed...
A study by University of Plymouth researchers found that seabed habitats and species recover more quickly following extreme storms than from the impacts of bottom-towed fishing. The research examined the impact of the 2013/14 winter storms on the Lyme Bay Marine Protected Area, off southern England's coast.
A new study finds that female walruses in the Chukchi Sea rely on biomarkers from algae growing within sea ice as a primary food source. The researchers tracked these markers using liver tissues from harvested animals, revealing a difference in foraging behavior between males and females.
A long-term study in Elkhorn Slough found that superabundant crabs weaken tidal creek banks, reducing marsh plant growth and increasing erosion. Reducing crab abundance led to increased salt marsh vegetation growth and enhanced sediment density.
Temperate marine ecosystems are becoming more 'simple' due to ocean warming and acidification, resulting in loss of kelp forests and degradation of ecosystem services. The study suggests that warm water corals may replace cold-water species, leading to a shift towards turf-dominated communities.
Coastal ecosystems worldwide are estimated to have a significant impact on the global economy, with countries like Australia and Indonesia storing large amounts of carbon. The study found that these countries generate annual welfare gains of around $26.4 billion from reduced climate change costs, while other nations like India and Chin...
A new study published in Proceedings of the National Academy of Sciences found that plant species vulnerable to climate change may lead to bigger problems than previously thought. The research, led by Amelia Wolf and Erika Zavaleta, suggests that losing biodiversity can have significant impacts on ecosystems, particularly during droughts.
Seagrasses can recover from extensive losses without human intervention, according to a 20-year study. The study found that remnants of seagrass and multiple species present increased the likelihood for recovery.
Researchers identified successful coastal 'bright spots' for marine ecosystem restoration, which have delivered positive impacts for decades. These examples from around the world showcase effective techniques for restoring saltmarshes, coral reefs, and seagrass meadows, highlighting potential solutions to save struggling marine areas.
Research finds common starfish can't survive amplified marine heatwaves projected at the end of the century and experience lasting negative effects from current heatwaves. Heatwaves can also negatively affect their feeding, leading to weight loss and potential ecosystem disruptions.
A new study reveals a large-scale change from predatory fish to stickleback dominance in the Baltic Sea, threatening local ecosystems. The shift is linked to eutrophication and climate change, and its effects include reduced recruitment of pike and perch.
A 40-year study reveals that the rise of sticklebacks, a key predator of algae, is driven by reduced numbers of larger fish species. This shift from predator-dominated to algae-dominated ecosystems has significant implications for ecosystem restoration and management.
Researchers studied thousands of oyster shells to understand Native American harvesting practices, revealing a remarkable stability of oyster reefs prior to the 20th century. The study highlights the importance of Indigenous ecological knowledge for modern reef management.
A new study published in Geology found that Late Cretaceous ecosystems in North America were characterized by diverse and mixed diets, with resource interchange between aquatic and terrestrial components being common. The research used stable isotope analysis to reconstruct the diets and habitat use of dinosaurs and other animals, cont...
Groundwater is a vital source of freshwater for crops and drinking water. A new computer model reveals that 20% of the world's sensitive coastal ecosystems are at risk due to groundwater flow carrying pollutants. Fresh groundwater can provide essential resources, but its high variability poses risks to local ecosystems.
A hybrid approach combining mangroves, coral reefs and man-made solutions can protect coastal communities from disaster while preserving biodiversity. The study suggests ecosystem-based protection should be the basis for a coastal protection strategy, making it more cost-efficient and better protecting valuable ecosystems.
The MOVE-ON project aims to produce sustainable development and ecosystem management models for EU overseas territories in the Caribbean and Pacific oceans. Researchers will investigate ecological conditions and develop conceptual models of ecosystem services provision according to the quality of marine ecosystems.
New research reveals how Antarctic penguins adapted to a century of human impacts, including whaling and climate change. Gentoo penguins thrive on fish and squid, while chinstrap penguins struggle with declining krill populations.
Researchers have discovered dozens of dinosaur footprints in Alaska's Alaskan Peninsula, revealing that high-latitude hadrosaurs preferred tidally influenced habitats. The findings provide insights into the habitat preferences of these highly successful herbivores and their role in shaping ancient ecosystems.
A new study by Duke University and Fudan University suggests that local conservation efforts can significantly buffer the impacts of climate change, buying cities time to adapt. Local interventions have promoted coral recovery in Florida Keys and restored seagrass beds in Chesapeake Bay.
A Rutgers-led study reveals that mercury pollution from years ago is affecting waterways in the New Jersey Meadowlands, with two creeks identified as major sources. The research found that legacy contamination outweighs newer sources, guiding cleanup efforts.
Scientists argue that rewilding measures can restore damaged ecosystems by examining functions, analyzing disturbances, and deriving targeted measures. Successful rewilding projects like the Oder river delta demonstrate environmental and social benefits.