Articles tagged with Marine Plants
Researchers found a diverse bacterial ecosystem in seagrass habitats that was disrupted by increased water temperature, leading to reduced seagrass biomass and tolerance to climate change. The study highlights the importance of considering microbial communities in understanding marine plant responses to environmental stress.
A joint study by Tel Aviv University and the University of Haifa discovered that a soft coral's tentacles drive rhythmic movements through a decentralized neural pacemaker system. The system enables each tentacle to perform independent movement while achieving precise collective synchronization.
A new USF-led study found a dramatic decline in some historic sargassum populations due to ocean warming and changes in their distribution. This shift could affect the health of marine ecosystems as sargassum supports high biodiversity for various marine species.
Scientists from Salk and UC San Diego have discovered a new hybrid seagrass that demonstrates low-light tolerance, offering a promising solution for coastal restoration efforts. The hybrid combines the shallow-water Zostera marina with its deeper-water cousin Zostera pacifica, inheriting the latter's low-light toolkit.
A team of international marine scientists urges reform to licensing and regulation of coastal restoration projects. The authors argue outdated systems hinder progress toward ambitious global targets to restore 30% of degraded ecosystems by 2030.
A University of Liège study shows that the root microbiome is essential for plant survival and success in transplantation. The method used has a direct impact on the composition of beneficial bacteria, which play a crucial role in sulphur and nitrogen cycles.
Key findings include halting food waste by 75% and restoring half of degraded lands by 2050; the authors recommend shifting agricultural subsidies towards sustainable smallholder farms and implementing land-based taxes or tariffs to reward sustainable low-impact farming.
Researchers developed a model to detect early signs of marsh decline using satellite observations, identifying vulnerable areas along Georgia's coast. The study found belowground biomass has declined across 72% of Georgia's coastal marsh since 2014.
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...
A new study finds that ocean-based carbon dioxide removal (CDR) and storage in German waters is feasible but with limitations, such as local marine conditions and required materials, energy, and infrastructure. Only five methods were shortlisted for implementation in German North Sea and Baltic waters.
Camille Parmesan wins BBVA Foundation award for her pioneering studies on species shifting their geographical ranges in response to climate change. Her research has provided vital input to conservation strategies, including corridor creation and protected areas.
A study analyzing nearly 270,000 seed plant species reveals environmental conditions, particularly climate, play a significant role in shaping global plant distributions. Physical barriers have a smaller effect on ancient plant groups that have had longer periods to disperse widely.
Research suggests the Earth's oceans were green 2.4 billion years ago due to iron precipitation, leading to a new understanding of ancient photosynthetic organisms and their potential for life beyond Earth. The discovery could aid in the search for extraterrestrial life by identifying green oceans as a possible indicator.
A study published in Ocean and Coastal Management reveals that artisanal fishers can be almost as accurate as satellites in producing environmental data. The researchers mapped seagrass beds along the coastlines of five Greek islands, with fishermen's maps showing an average accuracy of 78%, compared to 11% more than government policies.
A new study simulates a medium-sized asteroid collision with Earth, revealing dramatic disruptions in climate, atmospheric chemistry, and global photosynthesis. However, ocean plankton growth surprisingly recovers quickly and even increases after the impact, potentially alleviating emerging food insecurity.
The study found that clouds contain significantly more arsenic on average than rainwater, and biological processes play a key role in the global distribution of arsenic. The researchers also detected various types of arsenic compounds in rainwater samples, including methylated forms formed by bacteria and plants.
A Dartmouth-led study suggests using clay to convert CO2 into food for zooplankton, which expel it as carbon-filled feces in the deep sea. This method accelerates the ocean's natural cycle for removing carbon from the atmosphere.
Researchers have deployed a buoy off the coast of Perth to measure algae levels and improve satellite data accuracy for NASA's PACE mission. The project aims to study the impact of phytoplankton on ocean health and climate regulation, with potential benefits in combating climate change.
Researchers found that restoring coastal marshes can significantly help protect coastlines at a reasonable cost. A study by MIT graduate student Ernie I. H. Lee and professor Heidi Nepf shows that enhancing salt marshes in front of protective seawalls can reduce construction costs while still providing adequate protection from storms.
A recent study from the University of Delaware has analyzed a high-quality carbonate dataset to investigate anthropogenic carbon dioxide in coastal waters. The researchers found that surface water shows high levels of anthropogenic carbon dioxide, while middle and deep layers have lower concentrations.
A study by ETH Zurich scientists found that global warming's effects on plant recovery can last for thousands to millions of years. The research team discovered that the severity of climate shifts and the speed at which carbon is sequestered affect the duration of climate warming.
A new study found that microplastics impact plant reproduction, while seawater flooding causes greater tissue death in coastal plants. Combining both stressors amplifies threats to ecosystem wellbeing.
Researchers explored ancient interactions between life and the environment during the Phanerozoic Eon, a period of significant habitability improvements. They found that ocean algae played a crucial role in reducing atmospheric carbon dioxide levels and increasing oxygen levels, allowing for the evolution of more complex life forms.
Weaker ocean circulation may lead to increased carbon dioxide buildup in the atmosphere due to a previously uncharacterized feedback loop involving iron, upwelling nutrients, and ligands. The study challenges current thinking on the ocean's role in storing carbon.
The Deepwater Horizon oil spill released nearly 5 million barrels of crude oil and hydrocarbon gases, affecting an area of 1,100 square miles, nearly nine times larger than earlier studies. Biodiversity loss among harpacticoid copepods declined dramatically due to the spill.
Research in three Swedish fjords shows that organic carbon is effectively trapped, regardless of oxygen levels. The study highlights the importance of sediments in storing carbon, with up to 18 megatonnes buried annually, representing 11% of global ocean carbon capture.
A LSU study found that chronic relative sea level rise combined with short-term weather-related shocks, such as droughts and hurricanes, led to the decline of Phragmites-dominated stands in the marsh. The study suggests elevating marsh beds with sediment can improve resilience.
A new study challenges the initial detection of a biosignature gas on K2-18b, suggesting that the data may be inconclusive. However, researchers believe it's possible for life to produce detectable levels of dimethyl sulfide (DMS) in the planet's atmosphere.
The study generated genome assemblies of Musa ornata and Musa velutina, revealing insights into pericarp dehiscence and anthocyanin biosynthesis in banana. Genome quality assessments confirmed contiguity, accuracy, and completeness of the genomes.
Researchers have discovered the gene responsible for producing a unique type of chlorophyll in marine algae. This breakthrough could lead to improved crop yields on less land, making it a key step towards achieving a more sustainable food supply. The study also demonstrated that a land plant can produce this specific type of chlorophyll.
A study published in PLOS ONE predicts that climate change will inundate over 4,200 archaeological sites along the US state's coast, with nearly 5,000 at risk by 2100. The authors used a predictive model to account for storm surge events, highlighting the need for cultural heritage managers to take action.
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.
A new database of marine microbes has been created, revealing insights into the ocean's diversity and its impact on climate change. The catalog provides unprecedented information on which microbes live where and what they do.
Scientists propose searching for depleted carbon dioxide in planetary atmospheres as a sign of liquid water and potentially life on other planets. A study suggests that low carbon abundance relative to neighboring planets could indicate habitability.
A global survey of restoration projects reveals that most efforts fail to address the impact of herbivores on young plants. By introducing predators or barriers, conservationists can increase plant regrowth by up to 89% and speed up restoration outcomes.
Chinese researchers are exploring advanced porous nanomaterials and technologies to reduce radionuclide discharge into the environment. These materials possess high specific surface area, abundant pore structures, exceptional stability, and design flexibility, making them promising candidates for radionuclide removal.
Researchers at the University of Florida have found suitable substrates and growth patterns for long-spined sea urchins, a keystone species in maintaining coral reef health. The study provides a crucial step towards restoring these vital ecosystems by growing corals in ocean nurseries.
Researchers from the University of South Australia have designed a self-sustaining solar-driven system that evaporates seawater to recycle it into freshwater, growing crops without human involvement. The vertical floating sea farm has several advantages over other designs, including low energy consumption and high food production.
A study by researchers at the University of São Paulo found that glitter can hinder the growth of cyanobacteria, a key component of aquatic ecosystems. The toxic effects of glitter on microorganisms have not been well-studied, but the findings suggest that even low concentrations can negatively impact susceptible organisms.
Scientists have developed a new method to study phytoplankton nutrient limitations using satellite remote sensing technologies, providing insights into the global ocean's carbon cycle. The research found that phytoplankton were limited by either iron or nitrogen, leading to distinct fluorescence signals detected by satellites.
A new study found that a massive North Atlantic cooling event led to the disruption of early human occupation in Europe, with climate stress changing the course of early human history. The study used observational and modeling evidence to document the unprecedented climate anomaly.
New research from the University of Manchester reveals that areas rich in marine life are significantly impacting our ecosystems and climate. The study found that urea, a nitrogen-rich compound, is being transported over long distances through the atmosphere to benefit nutrient-deficient environments.
Residual carbon emissions are a major obstacle to achieving net-zero greenhouse gas emissions by 2050. According to University at Buffalo researcher Holly Jean Buck, the world must reach net-zero this century to limit temperature increase, but residual emissions pose significant challenges.
A major study found that climate change could decline the diet quality of fish by up to 10% as zooplankton communities shift towards more carnivorous groups. This could exacerbate declines in fish biomass, with potential implications for human societies relying on fisheries for food and livelihoods.
Researchers found that mineral-organic carbon preservation slowed down decomposition, allowing atmospheric oxygen levels to increase unhindered. This process enabled complex life forms to evolve and ultimately led to the development of intelligent life on Earth.
Researchers at MIT have developed a membrane-free electrochemical process to remove carbon dioxide from seawater, potentially reversing ocean acidification. The system could be integrated with existing desalination plants or ships to help mitigate emissions.
Researchers have developed a robot capable of sorting, manipulating, and identifying microscopic marine fossils. Forabot uses robotics and artificial intelligence to automate the tedious process of evaluating foram shells and fossils.
An international research team proposes using engineered nanoparticles to fertilize ocean plankton, encouraging growth and carbon dioxide uptake. The approach has been shown to be safe and effective in enhancing plankton growth through controlled release of nutrients.
Researchers have discovered that marine diazotrophic bacteria contribute directly to the biological carbon pump, exporting and sequestering carbon in the deep ocean. This process was previously attributed mainly to phytoplankton, but experts now understand that these microorganisms also store carbon on the seabed.
A new study reveals a strong correlation between accelerating Arctic ice melt and ocean acidification, posing a dual threat to climate and marine life. The increased acidity levels in the western Arctic Ocean could lead to devastating consequences for plants, shellfish, coral reefs, and other organisms.
Researchers found that bioturbation by fiddler crabs increases soil pH and reduces salinity, creating a more hospitable environment for beneficial bacteria. These bacteria produce essential chemicals for iron trapping, improving mangrove plant growth.
A team of researchers at the University of Hawaii collected over 3,000 microbial samples from Waimea Valley's watershed, discovering that microbes follow the food web and are maintained within soil and stream water. The study also found that local distribution of a microbe predicts its global distribution.
Researchers predict plankton will store more carbon in the coming century due to climate warming. However, uncertainty remains for storage beyond the end of the century, which could impact future climate change.
Researchers have discovered how sea cucumbers produce defensive chemicals using genome mining techniques. The animals' unique ability to biosynthesize toxins has been found to be linked to the diversion of a sterol-producing enzyme, resulting in the production of valuable medicinal compounds.
A new study reveals that global warming will shift the timing of ocean plankton blooms, impacting the marine food web and potentially disrupting the delicate coupling between phytoplankton growth and zooplankton abundance. This change could have severe consequences for high-latitude regions.
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.
A team of researchers found that many marine phytoplankton are voracious predators, consuming bacteria like Prochlorococcus and other primary production. This discovery reveals the complexity of ocean ecosystems and challenges traditional views of phytoplankton as solely photosynthetic organisms.
Researchers from McGill University found that oxygen levels rose with complex eukaryotic ecosystems, indicating low oxygen was a significant limitation on evolution for billions of years. The discovery has implications for searching for biosignatures in other planets, focusing on ozone detection.
The £10m Leverhulme Centre for the Holobiont aims to map associations between microbes and higher organisms to understand how they support each other. This knowledge can help manipulate the relationship to save species from extinction, grow crops more efficiently and restore habitats.
A new UC Riverside-led study reveals that tiny microbes belching toxic gas helped cause and prolong the biggest mass extinction in Earth's history. The heat accelerated microbes' metabolisms, creating a deadly cycle of hydrogen sulfide production.