Articles tagged with Ecology
Researchers have identified chemical fossils in ancient rocks that suggest the ancestors of modern-day demosponges were among the first animals to evolve. The discovery, made by a team of MIT geochemists, builds on previous findings and provides strong evidence for the early origins of life on Earth.
A new framework for flexible data collection has been developed by Masumi Hisano, allowing for counts to take place in various settings, including cities and daily routines. This approach can help increase sample size and provide valuable insights into bird species assemblage datasets linked to landscape characteristics.
A global field experiment found that camouflage and warning coloration are effective antipredator strategies under different ecological conditions. The study suggests that predator competition is a key factor shaping the evolution of these strategies, with camouflage potentially being less stable than warning coloration.
Insect pollinators like bees and butterflies require more natural habitat with diverse flora to thrive, according to a new study analyzing over 178,000 individual pollinators from 19 countries. The research found minimum habitat requirements vary between species, ranging from 6% for hoverflies to 37% for butterflies.
Termites cultivate fungus in specialized combs, but invasive fungi like Pseudoxylaria threaten their crops. Fungus-farming termites employ flexible behaviors to suppress weeds, isolating infected areas with soil boluses enriched with microbial allies.
A recent study suggests that teddy bears play a crucial role in shaping our early conception of nature. By analyzing morphometric and colorimetric data, researchers found that traditional teddy bears diverge significantly from their real-world counterparts. This gap may lead to warped or incomplete mental representations of animals and...
Researchers found shortfin mako sharks possess unique thermoregulation abilities, allowing them to rapidly warm up before diving into cold water and maintain higher body temperatures. This adaptation enables them to stay longer in prey-rich deep waters, giving them a competitive edge as apex predators.
Researchers found that common waterborne amoebae can ingest and protect human viruses, extending their environmental persistence. The viruses can enter and persist within the amoebae's cells, potentially bypassing water treatment methods.
Researchers develop biohybrid synthesis systems that combine living cells with advanced materials to produce valuable chemicals from CO2, water, and sunlight. These systems leverage various energy sources and have shown significant progress in recent years.
A new study analyzing the dietary choices of wild woodrats reveals that individual diets may not be as diverse as previously assumed. The research suggests that the costs of specializing on one food source or diversifying one's diet have a strong impact on an animal's ability to survive and thrive.
An international team has published a new framework for studying 'Earth engineers' who have fundamentally altered ecosystems globally. The framework distinguishes between engineering behaviors with local and planetary scale effects, offering insights into how humans and other organisms have shaped the planet.
A University of the Sunshine Coast researcher has documented the world's first recorded and scientifically observed three-way mating between two male and one female leopard sharks. The video provides valuable insights into the species' natural mating behavior and informs conservation strategies.
A new study investigates how rapid urbanization affects subjective well-being in China, finding that ecological improvements bolster lower well-being populations while social factors have a stronger impact on higher groups.
Two new species of black bass, Bartram’s and Altamaha bass, have been documented by UGA ecologists. These fish have distinctive physical characteristics, such as patterned dark brown blotches on their sides and carmine-red eyes with a black pupil ringed by a thin gold margin.
A long-term study in Northeast China's fertile black soils found that biochar improves soil health, stabilizes microbial communities, and increases crop yields when applied at the right rate. The optimal application rate enhances microbial stability and organic matter content, leading to better yields.
Researchers at the University of Göttingen argue that creating diverse landscapes with various habitats is necessary for biodiversity preservation. Habitat diversity can include arable land, natural areas, and structures like nesting sites, promoting species movement and reduced extinction risk.
The book, 'Understanding the Tree of Life,' offers a fresh perspective on evolution as a continuous, branching process where all organisms are interconnected cousins. It challenges outdated views that place humans at the pinnacle of evolution or label certain species as primitive, emphasizing shared traits alongside unique adaptations.
Researchers developed computational tools to analyze ecological data, identifying functionally equivalent species across different ecosystems. These tools use optimal transport distances to compare network structures, allowing for large-scale monitoring of ecosystem health and guiding conservation efforts.
A new study reveals that Indo-Pacific fish species are being carried into the Mediterranean Sea through the Suez Canal and sea currents. Cargo shipping is now identified as a key driver of these invasions, with targeted management needed at major shipping hubs.
A new study from the University of Oulu, Finland, found that reindeer grazing can buffer ecosystem functions, such as carbon exchange, under changing climate conditions. The results provide perspective on the role of reindeer in sustaining biodiversity in northern ecosystems.
Farmers in Middle East prioritized viticulture over olive growing due to irrigation, which maintained grape cultivation. This suggests that grapes and wine held cultural and economic value.
A study reveals that warming temperatures alone do not lead to increased carbon dioxide emissions from soil. Instead, adding more carbon and nutrients like nitrogen and phosphorus triggers higher CO2 levels released from the soil. This finding highlights the crucial role of microbes in regulating soil carbon cycling.
A new white paper urges placing biodiversity at the heart of the UN Pact for the Future, highlighting its essential role in food security, public health, and climate stability. The authors propose a global alliance to integrate biodiversity conservation into the core priorities of the UN Summit of the Future.
A Bangor University study found that stressed baby lizards grow more slowly and behave differently, but surprisingly, these offspring are also more social. The research suggests maternal stress has long-lasting effects on lizard social behavior, overriding the influence of social environment after birth.
A large, mostly disease-free koala population on Kangaroo Island carries a genetic legacy that may make it harder to survive future threats. The population's limited genetic diversity and high inbreeding increase the risk of fertility and developmental problems.
Researchers develop a framework for biologging-based surveillance to detect disease outbreaks in wildlife, providing insights into the spread of zoonotic diseases like avian flu and COVID-19. The approach aims to revolutionize public health interventions by enabling early detection and proactive prevention.
The IUCN Microbial Conservation Specialist Group is a new coalition of experts aiming to integrate microbiology into global biodiversity governance. The group's priorities include building a global network, mapping microbial conservation hotspots, developing microbe-specific Red List criteria, and mapping existing projects.
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.