Articles tagged with Lakes
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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Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
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Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
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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.
Researchers used lake sediment in the Tibetan Plateau to estimate that high-elevation alpine permafrost will melt faster than arctic permafrost, releasing greenhouse gases and contributing to global temperature rise. The study suggests that up to 60% of alpine permafrost land area may be lost under current warming conditions.
A bi-national regulation targeting ships entering the Great Lakes since mid-2000s has reduced invasive species risk by 85%, with a significant impact on fisheries and biodiversity. The study suggests that saltwater flushing through ballast tanks is a crucial control strategy.
Researchers in Acadia National Park found that regulations reducing atmospheric sulfur have led to a partial recovery of algae ecosystems, despite ongoing climate change impacts. Clear-water lakes like Jordan Pond are more sensitive to warming than brown-water lakes like Seal Cove Pond, leading to slower recovery rates.
A recent study using satellite laser altimetry found that about 54% of lakes showed a significant trend in water-level change from 2003 to 2020, with 80% showing an upward trend. The total water volume of observed lakes increased at a rate of 10.88 ±16.45 Gt/yr during this period.
A global study reveals that freshwater lake ecosystems are being damaged by salt concentrations below government-protective thresholds. The loss of zooplankton triggers a cascade effect causing an increase in algae, potentially altering nutrient cycling and water quality.
Cambridge University researchers are tackling major environmental challenges in the UK's 'vegetable garden', the Fens, through a £10 million project. The team is working with farmers, landowners, and conservation groups to develop whole system solutions for climate change, extinction, and pollution threats.
Research found that anaerobic microbial transformation on Tonle Sap Lake's floodplains produces substantial amounts of dissolved carbon dioxide, highlighting the importance of this process in tropical freshwater ecosystems. This discovery has significant implications for understanding global carbon cycles and the impact of climate change.
Researchers have developed an interest in studying glacial lakes and their impact on glacier behavior and downstream ecosystems. Over a 35-year period, a team of scientists has produced a detailed inventory of glacial lakes and dams in Alaska and northwest Canada.
A recent study discovered that a hydrothermal crater lake in Costa Rica's Poás volcano is home to a diverse range of microorganisms, including the single 'extremophile' genus Acidiphilium. These bacteria have adapted to survive in extreme conditions, such as high temperatures and toxic metals, which may be similar to those found on Mars.
Researchers have compiled a comprehensive directory of subglacial lakes worldwide, revealing that 20% are active and pose a hazard to human populations. The inventory provides a knowledge base for scientists to assess future changes as the climate warms.
Researchers have discovered evidence of human habitation in the Faroe Islands dating back to around 500 AD, with signs of domestic sheep arrival at this time. The findings, based on lake sediments and DNA analysis, provide conclusive proof that humans inhabited the islands before the Vikings, who are thought to have arrived around 850 AD.
Researchers at USTC reconstructed precipitation patterns in East Asian monsoon region during the Holocene and proposed a driving mechanism. The study suggests that low-latitude seasonal insolation changes, modulated by Western Pacific Subtropical High, control monsoon precipitation variation.
Scientists have found age rings in Marimo, indicating their growth rate and annual growth of up to 9mm. The study also shows how the algae balls recycle nutrients through a small-scale nutrient cycle, with exchanges occurring every 105 hours.
Researchers reconstruct Land of Israel climate at end of last ice age using plant remains, revealing significant temperature and precipitation differences that impacted the transition from hunter-gatherer to settled agricultural societies. The study provides insights into the region's flora and its response to past climate change.
A University of Cambridge study reveals that periodic caterpillar outbreaks improve lake water quality but increase CO2 emissions by altering nutrient cycling and favouring greenhouse gas-producing bacteria. This phenomenon is likely to worsen as climate change expands the insects' range, threatening northern forests.
Airborne pollen concentrations in Betula microphylla-dominated wetland of Ebinur Lake, Xinjiang, are influenced by meteorological factors such as temperature, precipitation, wind speed, and direction. The study found that airborne pollen composition corresponds to local vegetation and reflects long-distance transported pollen taxa.
A recent study reveals that fish ingest progesterone through microplastics, releasing the hormone into their digestive tract. Researchers found that microplastics act as vectors for exposing fish to micropollutants like progesterone, which can have significant environmental and health impacts.
Lakes in the Northern Hemisphere are warming at an alarming rate, with some losing up to two months of ice cover since records began. The study, led by York University, found that lakes are losing on average 17 days of ice cover per century.
Researchers developed a new mass spectrometry technique to identify key protein features in cyanobacteria, enabling rapid detection of harmful species. This approach can be used to prevent blue-green algae blooms and detect toxic species, such as spirulina extracts.
Researchers found that most anglers weren't thinking about how invasive species could affect their own lives, highlighting the need for personalized messaging. Tailoring education campaigns to an angler's values and risk perceptions can motivate action, such as decontaminating boats or attending cleanup events.
Research led by VUB team shows that global changes in lake temperature and ice cover are caused by human-induced climate change, posing a threat to water quality and native fish species.
The Perseverance rover's first scientific analysis confirms Jezero crater was a calm lake for most of its existence, interrupted by flash floods that carried huge boulders downstream. The findings provide clues to Martian climate evolution and offer opportunities to search for signs of ancient life.
Invasive fish and crustaceans significantly reduce lake organism abundance, degrading water quality. Researchers provide guidance on managing waterbodies to prevent ecosystem collapse.
Researchers analyzed a nine-county birth certificate database in New York state from 2005 to 2018, finding associations between redlined areas and increased risks of preterm birth, low birth weight, and maternal mortality. The study's findings highlight the ongoing impact of historical racism on current health disparities.
Researchers found that lake breach floods played a crucial role in shaping the Martian surface, creating river valleys with nearly a quarter of the Red Planet's total volume. The study's findings suggest that these floods had a lasting impact on the surrounding landscape, influencing the formation of other nearby river valleys.
A new study by ANU researchers has found human impacts such as deforestation and mining have significantly transformed Lake Kutubu's algal and geochemical compositions. The lake is now showing signs of ecosystem collapse, including plumes of chemicals and health issues for local communities.
A new study found that four distinct episodes of volcanic activity coincided with significant environmental changes, including the Late Triassic Carnian Pluvial Episode, which drove animal and plant diversification. The research suggests that large volcanic eruptions had a profound impact on global temperature and humidity.
Researchers found fecal contamination in Montana's Absaroka-Beartooth Wilderness Area, primarily attributed to wildlife and pack animals. Human-associated bacteria were detected at lower levels, but not significantly related to landscape or elevation.
A new study led by Rachel Penczykowski investigates the hydra effect in water fleas, where parasite infections trigger a counterintuitive increase in population density. The researchers found that infected water fleas consume less algae, leading to an abundance of resources for uninfected individuals.
A study published in PLOS Biology suggests that microparticle concentrations in lakes are higher than previously reported and can be predicted by surrounding land use. The researchers found that areas with more human activity and lower forest cover had higher microparticle concentrations, while lakes with more active microorganisms had...
Research in Saudi Arabia reveals multiple pulses of increased rainfall transformed the arid region into a hospitable route for human population movements. The discovery of thousands of stone tools shows changing human culture over time, documenting transition from Lower Palaeolithic Acheulean to Middle Palaeolithic technologies.
Researchers have developed tiny 'nanojars' that can split bicarbonate into carbonate and capture it, as well as certain toxic anions, making them suitable for recycling. The nanojars are made up of multiple repeating units of a copper ion and a pyrazole group, and can selectively bind to specific ions.
Researchers found that semi-natural habitat patches complement existing flower strips in protecting pollinators, attracting a greater number of species and providing year-round flowers. These small structures, such as hedgerows and overgrown fences, offer potential retreats and nesting sites for overwintering bumblebees.
A Japanese research team found that residents who engage in activities like camping and hiking experience increased happiness, while ownership has no effect. The study suggests better policies for enhancing forest relationships and measuring happiness based on the types of forest happiness.
A new study reveals that the domestication of plants and construction of settlements based on agriculture in ancient Japan coincided with periods of relatively warm and stable climate. This challenges the conventional theory that a climatic cooling event drove humans to adopt agriculture.
A geologist's analysis of ancient sediments found in Kenya's Lake Magadi has revealed a progressive drying trend over the last million years. The study suggests that early humans may have been prompted to move and trade due to drought, with the region experiencing significant changes in climate.
Scientists use NASA's Ice, Cloud and land Elevation Satellite 2 to map subglacial lakes under the West Antarctic ice sheet. The study reveals two new lakes and provides critical insight into freshwater exchange, which may alter ocean circulation and ecosystems.
A pioneering study reveals subglacial lakes in Antarctica harbor thriving microbial life through the erosion of ancient sediments, providing a new source of nutrients and energy for microorganisms. The research found that crushing sediments can produce key gases, including methane and hydrogen, essential for microbial processes.
Researchers have discovered a new style of invisible gold hosted in pyrite crystals with deformation-related dislocations. Additionally, a study reveals the impact of diagenesis on iron speciation in ancient sedimentary rocks, suggesting true euxinia may be less than previously thought. Submarine fans also exhibit dynamic environments ...
Researchers found that zebra mussels can increase Microcystis, a type of cyanobacteria causing harmful algal blooms, by filtering out competitors. The study suggests that zebra mussels may be inadvertently helping toxic algae thrive in nutrient-poor waters.
A new study develops a machine learning method that incorporates physical world rules to make more accurate environmental predictions, particularly in river temperature prediction. The model can handle sparse data and generalize well across different time periods.
A recent study found that Finland's lakes in Lapland will have higher mercury levels due to climate change and increased land use. The warmer climate and more intense land use lead to the leaching of nutrients and carbon-bound mercury into waterways, causing a biomagnification effect on fish and food webs.
Researchers from the University of Liège found that Lake Victoria's phytoplankton biomass decreased by seven times since the 1990s, while nutrient levels remained stable. Climate conditions, including wind intensity, significantly impact phytoplankton growth and food chain dynamics.
Researchers discover 9,000-year-old obsidian flakes in Lake Huron, originating from an obsidian quarry over 2,000 miles away, representing the oldest and farthest east confirmed specimens of western obsidian in the continental US. The find sheds light on social connections across North America 9,000 years ago.
Researchers reconstruct climate history in Ethiopia for the last 200,000 years, revealing a wet phase that supported human migration to Europe and Asia. The study provides evidence for significant impact on human evolution and mobility.
Research suggests that earthquakes magnitude 5.0 and larger could cause ground displacement and liquefaction in Salt Lake City, increasing the risk of earthquake-related building damage. The study identified a complex zone of folding and faulting beneath downtown Salt Lake City, which may deform the ground during a large earthquake.
Research published in Nature found that oxygen levels in temperate freshwater lakes declined 5.5% at the surface and 18.6% in deep waters since 1980. Climate change is driving this decline, which threatens aquatic biodiversity and drinking water quality.
A recent study found that browning lakes in the northeast US are becoming increasingly light-limited, restricting algal growth and aquatic plant life. This reduction in productivity can affect fish food webs, particularly those relying on visual foraging like brook trout.
A reevaluation of the Edaphodon eyrensis fossil tooth plate has led to a revised classification as Ptyktoptychion eyrensis. The discovery was made possible by Evgeny Popov's study of the fossil in various Australian locations.
Recent warming leads to a weakening of global dust storm activity, according to researchers from Tianjin University. The study found that changes in wind patterns and atmospheric stability are responsible for the decrease in dust storm frequency and intensity.
A diverse microbial community has adapted to an extremely salty environment deep in the Red Sea, with microbial cell densities more than double those found in normal deep Red Sea water and the brine below. The team sequenced the genome of a new microbe that suggests this transition zone is critical for nitrogen cycling.
A large-scale research project assessed Earth's 92,033 debris-covered glaciers and found that debris substantially reduces glacier mass loss. This discovery will improve risk assessment for communities near these glaciers, which can lead to glacial lake formation and potential flood hazards.
Researchers analyzed 12,000-year-old fish bones from three-spine sticklebacks to study the evolutionary process. They found that genetic variants enabling adaptation to freshwater existed in ocean populations thousands of years ago.
A new study using high-resolution CT scanning reveals key relationships between cichlid morphology and behavior, enabling scientists to infer life history and characteristics of rare or extinct fishes. This technology will aid conservation efforts by characterizing the remaining fish species in Lake Malawi.
The LTER Network's 40 years of careful science reveals the connections between ecosystems, allowing researchers to anticipate and adapt to changes. The network's team-oriented approach and collaborative research facilitate solving complex environmental problems.
A new paper found that cleaning local lakes and waterbodies can slow climate change and save trillions of dollars by reducing methane emissions. The study estimated the costs of global climate change due to eutrophication from 2015 to 2050 to be as much as $81 trillion.
Research reveals that just three amino acid changes can dramatically alter an enzyme's function, allowing microbes to thrive in diverse ecosystems. This discovery has significant implications for understanding disease-causing bacteria and developing remedies.
A recent study published in Nature Climate Change warns that flash flood risk may triple across the Third Pole due to global warming. The study found that one in six glacial lakes pose a high to very high risk to downstream communities, with potential transboundary natural disasters expected to increase.
Researchers at the University of Bayreuth have discovered the crucial importance of redox-active substances in aquatic ecosystems. They are able to degrade pollutants and influence large-scale reactions, making them a crux between hydrological fluctuations and ecosystem functions.
The study reveals that glacial lake outburst floods in the Himalayan region and Tibetan plateau could triple in the coming decades, posing a significant threat to communities and infrastructure. The risk of transboundary disasters will also increase, with new hotspots emerging in regions like the Western Himalaya and Pamir.