Articles tagged with Ecology
A study led by Danish researchers highlights the rapid spread of invasive plant species in tropical regions, altering food chains and damaging traditional ecosystem services. The phenomenon is exacerbated by climate change, leading to widespread ecosystem collapse and degradation.
A new study finds that most native Fijian ant species have declined since humans first arrived 3,000 years ago, while introduced species have expanded. Human activities such as habitat destruction and agricultural intensification are shaping fragile island ecosystems.
New research from Simon Fraser University finds that Pacific salmon face escalating threats from industrial development, climate change, and uncoordinated regulation. The authors suggest a cumulative effects management cycle to address gaps in policy and ensure enforceable thresholds.
A new study found that many Arctic-breeding waterfowl species can reduce their migration time by shortening fuelling periods, allowing them to arrive earlier in the Arctic. However, this strategy may only work for a limited time as the clock ticks away due to current rates of Arctic warming.
Dr. Tanja Stratmann's project investigates how deep-sea sponges have processed nitrogen since ancient times, influencing their ecosystems and shaping past environmental conditions. The study uses incubation chambers and fossilized sponges to determine the role of sponges in past ocean environments.
Researchers discovered that Arctic diatoms can move and glide through ice at temperatures as low as -15 C, using a unique mucilage rope mechanism. This finding has significant implications for our understanding of adaptation to a changing polar environment and potential roles in the food chain.
A study examined the interactive effects of meteorological factors and air pollution on influenza cases in Huaian, China. The main findings showed that increasing PM2.5 levels decreased risk at low concentrations but increased risk at high concentrations.
As Arctic permafrost thaws, geochemical reactions unleash metals like cadmium, harming fish and disrupting ecosystems. The Salmon River's transformation poses indirect threats to Indigenous communities and other species.
The Nationwide Herp Adoption Program provides a health-verified solution for surrendered reptiles and amphibians, offering invaluable training opportunities for future veterinarians. The program protects wild amphibians and reptiles by reducing the release of unwanted pets into the wild.
Researchers at Northern Arizona University have discovered a partnership between algae and bacteria that creates a clean-nitrogen machine, turning atmospheric nitrogen into food for river ecosystems. This discovery boosts populations of aquatic insects, which young salmon rely on for growth and survival.
Researchers at Max Planck Institute for Chemistry investigated α-pinene ratio in Amazon rainforest before, during, and after drought period. The results show that increasing drought stress shifts the ratio to higher values, indicating ecosystem stress.
Reintroducing native African catfish into Lake Victoria significantly reduced the number of snail hosts and lowered the intensity of schistosomiasis infections among primary school-age children. This biocontrol method provides an effective way to combat this parasitic disease in the region.
Two researchers, Dr Anggi Hapsari and Dr Oliver Barnstedt, have been awarded ERC Starting Grants for their projects on the impact of sea level rise on coastal ecosystems and the neural mechanisms of memory formation in the mammillary body. The grants will fund five-year research projects exploring these topics.
A new fossil discovery confirms that ancient bugs, not just bees and butterflies, played a significant role in plant pollination during the Mesozoic era. The iridescent bug found in Burmese amber likely visited flowers and was likely involved in pollination.
Researchers Jeremy McCormack and Andrei Kuzhelev at Goethe University are investigating the reasons behind prehistoric shark extinctions using new isotopic analysis methods. They also develop a novel nuclear magnetic resonance spectroscopy technique to study large biomolecules.
The Earth BioGenome Project aims to create a digital library of DNA sequences to preserve and protect life on Earth. With over 2,200 scientists in 88 countries, the project is making discoveries that could help assure food security and advance medicine.
Researchers found that nutrients can increase seagrass's ability to store carbon, but an overload of nitrogen can lead to increased phytoplankton growth, shading out and killing seagrass. Increasing phosphorus and nitrogen in nutrient-poor beds helps seagrass grow, storing more carbon.
The Kunming Manifesto proposes pathways to unlock agrobiodiversity's benefits, addressing food waste, environmental externalities, and social inequalities. Experts emphasize the need for a paradigm-bending power shift toward Indigenous and local communities to ensure agrobiodiversity thrives.
The journal bridges agronomy, ecology, environmental science, and sustainability to address pressing global challenges such as soil health, water quality, and climate resilience. It offers a broad scope for original research, reviews, perspectives, and commentaries with no article processing charges until 2027.
Researchers found that the island has enough trees, hedgerows, and seeds for the estimated 3500 red squirrels to thrive and grow. The study also discovered signs of genetic mixing between the east and west populations, suggesting a bright future for the island's squirrel population.
Researchers at the Salk Institute have discovered a genetic mechanism that integrates light and temperature information to control flowering in plants. This genetic module, which acts as a coincidence detector, links blue light and low temperature signals to guide the switch to flowering.
A new study found that when Hanauma Bay was closed to the public during the 2020 pandemic, the reef quickly returned to more natural levels. This led to clearer water, increased sightings of endangered Hawaiian monk seals, and more active fish populations.
A University of Michigan study shows that lobe-finned fishes experienced rapid jaw innovation and evolution between 359-423 million years ago, while ray-finned fishes evolved more slowly. This finding highlights the importance of ancient fossil records in understanding vertebrate evolution.
A new study by HKU ecologists reveals that intensifying El Niño events are disrupting arthropod populations across the tropics, leading to ecosystem function loss and destabilization. The team found significant biodiversity loss in multiple types of arthropods, with declines linked to weaker decomposition and herbivory processes.
A global review highlights the need for better tools to understand juvenile fish habitats, which are facing increased pressure from various factors. The study recommends incorporating metrics like growth, survival, and contribution rates to assess habitat quality.
New research demonstrates that corals naturally thriving in extreme environments can be used to boost the resilience of reef sites. Despite being transplanted to more stable conditions, these corals retained their heat tolerance and activated pathways associated with DNA repair and homeostasis.
A new study reveals bacteria can survive inside dust particles transported through desert storms, carrying new genes that may affect human health. The research team identified a beneficial bacterium from the Bacillus subtilis family, which could enhance applications in agriculture, construction, and medicine.
A recent study found that restoring large-scale bison migrations in the northern Yellowstone ecosystem unlocks the species' full ecological power. Bison herds enhance nutrient cycles, diversify habitats, and drive processes like nutrient cycling and productivity.
A landmark review published by FAU reveals that sargassum is a rapidly growing and widely distributed marine organism. The study found that the Atlantic Ocean's sargassum biomass has increased by over 50% since the 1980s, with nitrogen content rising sharply.
A new bioinformatics-based method, fDOG, has been developed to search for genes with certain functions, including those involved in plant cell wall degradation. The study reveals a detailed global map of enzymes capable of degrading plant cell walls, with surprising discoveries among fungi and animals.
The Leopoldina webinar discusses the conditions and practical recommendations for sustainable freshwater aquaculture in Germany and Brazil. The report highlights the potential of this method to contribute significantly to global food security, reduce water and land consumption, and promote a circular economy.
Researchers from Seoul National University of Science & Technology developed a smart adhesive system based on starfish for temporary and switchable underwater adhesion. The system exhibits high adhesion hysteresis, automatic release based on outside stimuli, and quick detachment by pneumatic actuation.
Birdwatching tourism has seen significant growth globally, with countries in the tropics experiencing increased visitation and economic development. However, not all countries have benefited equally, with research from UC Santa Cruz identifying challenges and success stories that may inform future conservation efforts.
Researchers from Kyoto University discovered a new shrimp roommate, Betaeus levifrons, living in Japanese mud shrimp (Upogebia major) burrows on the Pacific coast of Hokkaido. This symbiotic relationship highlights the unique ecological and evolutionary processes underlying these interactions.
The inaugural AI in Agriculture Symposium will bring together experts from academia and industry to discuss the latest research and real-world applications for agriculture. The symposium will feature a roundtable discussion on multidisciplinary collaborations in agriculture.
A new R package, phylolm.hp, extends the averaged shared variance concept to phylogenetic generalized linear models, accounting for correlated predictors. This allows for more accurate quantification of each variable's contribution, overcoming multicollinearity effects.
A new large-scale open dataset of Asia's terrestrial ecosystems is now available, providing a long-awaited foundation for understanding the region's role in the global carbon cycle. The JapanFlux2024 dataset combines 683 site-years of eddy covariance data from 83 locations across Japan and neighboring regions.
A new study finds that birds are singing for longer periods of time due to light pollution, with prolonged vocalizations averaging 50 minutes. The research analyzed over 500 bird species and found that those exposed to more light have the most significant impact from light pollution.
A recent study co-authored by UCF Assistant Professor of Biology Robert Fitak reveals that the 1990s translocation of Texas pumas improved the Florida panther's genetic health while preserving its unique ancestry. The study found increased genetic variation, retention of unique traits, and a decrease in harmful mutations.
The majority of extant species belong to a limited number of rapid radiations, forming groups with many species that evolved in a relatively short period. These rapid radiations are thought to occur when new ecological niches open up, such as the emergence of multicellularity and powered flight.
Researchers used gene expression data to identify genes related to stress responses in wild varieties, which could be beneficial for developing hardier crops. Domesticated species showed genes related to hormone regulation and chemical detoxification.
Researchers have found that Black Mambas accumulate heavy metals such as lead and mercury in their scales. This allows them to serve as a natural indicator of environmental pollution levels. By analyzing scale clippings from these snakes, scientists can accurately measure spatial patterns of pollution without harming the snakes.
A University of Missouri-led study has uncovered how poplar trees can naturally adjust a key part of their wood chemistry based on changes in their environment, supporting improved bioenergy production. The discovery sheds light on the role of lignin and its potential to create better biofuels and sustainable products.
A long-term study found that Eastern Massasauga rattlesnakes are 13% less likely to have surviving offspring and have a nearly 12% lower annual survival rate when inbred. Habitat connectivity is crucial for the snakes' survival, as fragmentation isolates populations, making it difficult for them to find mates.
Researchers found that behavioral flexibility is related to exploration and dispersal in great-tailed grackles. Individuals with greater flexibility exhibit more exploratory behavior, which facilitates their ability to adapt to new environments and expand their geographic range.
Researchers at OIST found that only cyanobacteria Trichormus azollae are true symbionts of Azolla ferns, with their genomes showing extreme decay and loss of genes. The study sheds light on the genomic impacts of symbiosis and its potential applications in food security.
A study along the Yangtze River found that comammox Nitrospira microbes adjust their nutrient exchange based on terrain type. This adaptation enables them to thrive in oligotrophic environments, with mountain-foothill regions having stronger microbial cohesion and closer connections between microorganisms.
A new study found that river otters in Chesapeake Bay eat diverse prey and parasites, including flukes, dinoflagellates, and invasive fish. The researchers suggest that otters may be helping to clean up polluted environments by consuming parasite-infected animals.
Researchers discovered a large population of critically endangered Plains-wanderers in South Australia's arid interior, defying their previously believed habitat preference. The birds were found to select low-growing shrublands with specific composition over dense native grasslands.
A team of researchers at Mizzou identified which immune cells in pigs have receptors most reactive to influenza. This knowledge may help develop improved therapies or vaccines for both species. The study's findings could also aid in the creation of more effective flu vaccines that provide immunity for longer periods.
Researchers used two ecological theories to describe the tangle of interactions between three ant species and a recently introduced fly that preys on one of the ant species. The interaction creates chaotic patterns, meaning any one of the four insect species could be dominant at any point in time.
Researchers found that the caterpillars' cycles interact with natural controls like viral disease, and they're highly adapted to their environment. Outbreaks can be predicted and damage controlled, but the exact timing is linked to specific factors.
A new study found that dolphins and whales interact in a mostly mutual way, with humpback whales displaying positive behaviors towards dolphins. Humpback whales were observed rolling from side to side and moving slowly towards the dolphins with their head and rostrum.
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.
TDCPP's binding to the membrane thyroid hormone receptor impairs motor neuron development and causes locomotor dysfunction in zebrafish. The study establishes a novel adverse outcome pathway framework for predicting TDCPP's neurotoxicity.
A new statistical model using GPS tracking data accurately predicted nest success for the California Condor, demonstrating its potential to inform conservation decisions. The model's results were corroborated by field observations and camera footage, allowing researchers to assess nest fate with high accuracy.
Researchers at Osaka Metropolitan University discovered medaka reproductive behavior begins in dark period around 7 a.m. and peaks at 8 a.m., with overall behavior similar to that observed in the wild, except for a 3-4 hour delay in courtship and reproduction times compared to natural environments.
A new study by Max Planck Institute scientists reveals female mountain gorillas can win one in four conflicts and outrank non-alpha males. They also enjoy priority access to food resources over males they overpower, blurring the traditional male-dominated narrative.
The Ecological Society of America's Annual Meeting in Baltimore will focus on urban ecology, examining strategies for urban tree planting, pollinator behavior, and the role of urban farms and green spaces. The meeting aims to highlight how cities support ecological processes and biodiversity.
Researchers captured unique footage of Indian Ocean seabirds catching flying fish in mid-air using lightweight cameras. The study showed that these birds exploit windy conditions to conserve energy while hunting, suggesting a possible adaptation to patchy food sources.