Articles tagged with Ecology
A 300-million-year-old horseshoe crab fossil reveals evidence of ancient microbial infestation, pushing back the timeline of such events by over 300 million years. The discovery sheds light on the early interactions between animals and microbes in Late Carboniferous ecosystems.
A new study reveals that elusive species are most vulnerable to human-driven habitat change due to data gaps in global biodiversity databases. By leveraging open data and crowd-sourced observations, researchers can correct these gaps and provide more accurate biodiversity indicators.
Researchers from Edith Cowan University analyzed the diet of fungi-eating mammals to determine if they could provide insights for conserving the critically endangered Gilbert's potoroo. The study found that examining the diets of co-existing species can help identify suitable habitats for translocations.
A research team at Foshan University has developed a method to reduce cadmium accumulation in rice crops using foliar-applied molybdenum nanoparticles. The study shows that MoNPs down-regulate key genes involved in cadmium uptake and cell wall modification, reducing Cd accumulation in root tissues and limiting its entry into grains.
A team of researchers found that common buckeye butterflies change their eye tissue gene expression between summer and fall, indicating they see their environment differently. The study confirms seasonal patterns in the expression of many genes important for vision and eye development.
A study has created an atlas of Denmark's environmental microbiomes, showing the nationwide abundance distribution of key players like nitrifiers and nitrite-oxidizing bacteria. This could lead to more precise and sustainable agriculture practices.
Penguin populations off South Africa have declined drastically due to collapsing food supplies, with some species facing an estimated 62,000 breeding individual losses. The study suggests that sardine biomass has fallen below a quarter of its peak levels in 17 years, posing a significant threat to the long-term survival of these birds.
A new systematic review examines nearly 200 scientific articles to gather knowledge on biophobia, a negative relationship with nature. The study reveals that both external and internal factors contribute to negative emotions towards nature, threatening conservation efforts.
A recent study found that almost half of garden ponds surveyed contained at least one invasive plant species. Researchers are calling for environmental education and awareness about the risks of invasive species to prevent their spread. Alternative, native plant species should be promoted to help manage ponds sustainably.
A new study reveals regional vulnerability of plant-pollinator networks to climate change, emphasizing the need for tailored conservation approaches. Tailored strategies can enhance biodiversity protection in tropical regions, but may offer minimal benefit in temperate zones.
A new study finds Golden Eagles in Nevada at risk due to high mortality rates and habitat loss, potentially drawing in birds from other areas. Conservation efforts, such as maintaining natural habitat structure, are crucial to mitigating these impacts.
A global survey found that nearly 66% of shark descriptors were neutral, suggesting a shift away from the menacing predator narrative. Researchers used automated statistical packages and manual approaches to analyze short descriptions of sharks, revealing positive words like 'majestic' and 'fascinating'.
Researchers explored the impact of urbanization on pollinators, found that trees' root systems shift with age, and discovered sea urchin 'halos' as indicators of ecosystem vulnerability. The studies highlight the need for tailored conservation strategies to address regional ecological challenges.
Researchers found that a blend of non-toxic and genetically modified toxic corn can alter the shape of corn earworm moth wings, making them more aerodynamic and able to travel longer distances. This change in wing shape increases the moths' capability to fly long distances and spread resistance to the toxic corn.
Researchers found that urban female Eurasian red squirrels have a higher pregnancy rate and reproduce earlier than rural females. Urban females also reproduced longer, with some continuing up to five years of age, compared to four years in rural populations.
The study highlights the importance of seamount conservation for Cape Verde's marine ecosystem, biodiversity and socio-economic development. The research emphasizes the need for integrated conservation strategies that consider ocean waters and human uses.
A new study reveals that the S-enantiomer of o,p'-DDD pesticide metabolite is more toxic to zebrafish larvae and has severe consequences for their development. The research found that maternal transfer was highly efficient, with the S-enantiomer accumulating in higher levels than its mirror-image R-form.
A mathematical model predicts how temperature affects all levels of life from enzymes to entire ecosystems with unparalleled accuracy. The Universal Thermal Performance Curve shows a common pattern: as organisms warm up, performance increases until an optimum, then declines rapidly.
Researchers found that nutrients in lagoons are highest near the island, lower offshore, and linked to human activities on land. Precipitation acts as a key mediator for connections between land use and lagoon waters.
A new study found that common noctules hunt disproportionately often in combination with near-natural habitats to find sufficient prey in intensively farmed landscapes. The bats prefer small remnants of these habitats, such as grasslands and water bodies, which contain higher insect biomass due to lower pesticide use.
A University of Houston scientist teams with international partners to map Antarctica's glaciers, revealing tidal movements and retreat rates up to 700 meters per year. The dataset provides the most detailed view yet of how glaciers interact with the ocean, enabling better understanding and modeling of sea-level rise.
A new study found that the rate of organic carbon decomposition in soil samples collected across the US differed by up to tenfold, with factors like fungi and iron levels strongly associated with variation. This could improve the accuracy of soil carbon feedback estimates in climate models, leading to more refined projections.
A study reveals a 100-million-year decline in shark and ray biodiversity, contrary to previous assumptions. The research emphasizes the importance of preserving and restoring diverse coastal habitats to address this crisis.
A study found that 85% of nature organization subscribers support regulated lethal control of wild deer. The practice was widely used and supported among respondents, with only differing opinions on deer management making collaboration challenging. Researchers hope the findings will help increase confidence in recommending lethal control.
A new study suggests that coyotes are more likely to overlap with humans in areas with high levels of open space, such as parks and golf courses. The analysis found that coyotes were attracted to areas with moderate levels of open space, like parks or golf courses, where they could find food and shelter. In contrast, coyotes may be les...
A new study reveals a severe decline in recruitment of the American pika on Niwot Ridge, Colorado, with fewer juvenile pikas being born or migrating to take their place. Climate change is predicted to threaten pikas in the American West, with warmer summers affecting their habitats and ability to survive.
A new study reveals that the Amazon rainforest still bears deep ecological imprints from both pre-Columbian Indigenous communities and European colonists, which have shaped tree species distribution and biodiversity. The research highlights the importance of recognizing these legacies to improve conservation and climate models.
A long-term study found that prescribed burning significantly enhances the net productivity of plots with three treatments, increasing carbon sequestration capacity while maintaining large fire-resistant trees. This approach can help reduce wildfire hazard and support California's goal of net zero carbon by 2045.
Researchers found that rats contributed significantly to Rapa Nui's deforestation by consuming palm nuts, preventing trees from regrowing. The islanders cleared land for agriculture and used slash-and-burn practices, but the slow-growing palm trees made them vulnerable to rat predation.
A recent study by Ocean Conservancy reveals that consuming as little as three sugar cubes' worth of plastics can be fatal to seabirds, while less than one-sixth of a soccer ball's worth can kill sea turtles. Marine mammals are also vulnerable, with nearly half dying from ingesting plastics, often of varying types.
The University of Oxford has launched the Nature's Intelligence Studio, a programme that translates principles from biological systems into technologies supporting sustainable innovation. The studio aims to align conservation and industrial decarbonisation through bio-inspired solutions.
A University of Michigan study flips the Neutral Theory of Molecular Evolution on its head, finding that good mutations occur at a higher rate than previously thought. The researchers suggest that beneficial mutations may become harmful in new environments, leading to inconsistent adaptation rates across populations.
New research reveals drift logs causing widespread destruction of rocky intertidal ecosystems, leading to population decline in barnacle beds and interstitial invertebrates. This disturbance is comparable to ice-scouring or heatwaves, emphasizing the need for conservation measures to protect organisms in the intertidal zone.
Seven new species of a distinctive frog-like insect belonging to the genus Batracomorphus have been discovered in Uganda's Kibale National Park. The findings are significant as they mark the first new species recorded in Africa since 1981 and add to the existing 375 known worldwide.
Researchers used drones to create detailed maps of a high-density nesting beach, identifying steepness and proximity to dune crossover stairs as key factors influencing turtle nesting success. The study provides insights into how changing coastal conditions affect sea turtle habitats, informing conservation policy and coastal development.
Research analyzing over 170 studies reveals human impacts like hunting and land-use changes have a greater impact on prey populations than large carnivores. Large predators do control populations of prey species under specific conditions, but effects are often spatially constrained or influenced by competing species.
A new unified mathematical description model for coastal tipping points has been introduced, addressing escalating risks in coastal zones. The model classifies tipping points into six types, including bifurcation-driven, noise-driven, and shock-driven, highlighting the need for integrated strategies to mitigate regime shifts.
Researchers have developed a novel chemical conversion method for PET, bottles, textiles, and plastic waste mixtures using an inexpensive iron catalyst. The process achieves a high yield of raw materials with minimal environmental impact.
Researchers tracked eight short-finned pilot whales in Hawaiian waters, finding they dive approximately 39 times a day to consume an average of 4 squid per dive. The team estimated the total annual consumption to be around 88,000 tonnes of squid, which is sufficient for the local population.
Research by the University of Stirling found that beaver-created wetlands have a significant impact on pollinator populations, with a 29% increase in hoverfly species and 119% more individuals. This study suggests that beavers can play a crucial role in boosting biodiversity and reversing declining pollinator numbers.
Scientists have documented extensive natural hydrocarbon seepage along the Northeast Greenland margin, revealing widespread presence of gas hydrates. The study provides new insights into the migration of gases and their impact on the Arctic carbon cycle, with significant implications for global climate and ecosystem understanding.
Research from ESA's journals reveals that tiger populations are limited by prey scarcity, not protection. Invasive grasses also boost tick survival in Florida's longleaf pine forests.
A study by researchers at UCLA and UC Davis found that climate change leads to more reported clashes with wildlife during droughts. The study analyzed data from the California Department of Fish and Wildlife's Wildlife Incident Reporting database and found a 2-3% increase in conflicts for every inch of decreased annual rainfall.
A team of researchers compiled cases where mosses and their relatives helped solve crimes, showcasing the importance of botanical evidence. The study found that mosses can be used to confirm details of crime locations, with examples dating back to 1929.
A new study reveals that optimized nitrogen fertilizer use can increase yields, reduce pollution and save money for Myanmar rice farmers. Adopting ecologically optimal rates can avoid annual environmental costs of up to $368 per hectare.
Researchers at UT Austin discovered that destroying ant nest structure prevents disease transmission, allowing natural pathogens to collapse infestations. The study's findings provide a reliable way to introduce biocontrol agents into uninfected colonies, making it easier to control the invasive species.
A recent paper in the journal Science investigates the impact of drought on grasslands, finding that moderate droughts do not lead to long-term losses. In contrast, extreme droughts can cause significant species loss and reduced plant life. The study's results have implications for global carbon and climate modeling.
A global dataset of orchid-fungal associations reveals that an orchid's fungal community is driven more strongly by its ecophysiology and biogeography than by its phylogeny. The study provides new insights into the global patterns and drivers of orchid mycorrhizal interactions.
A new study identifies key conflicts between agricultural expansion and ecological protection in Northeast China, proposing integrated strategies to achieve a sustainable balance. The research team recommends creating wetland compensation mechanisms, optimizing water allocation, and restoring habitats for migratory birds.
Research explores connections between Arctic land and sea, revealing how polar bears' health impacts Arctic fox populations and tundra prey. A study also finds that beaver restoration could boost fire and water resilience in California's Sierra Nevada by storing up to 120 million cubic meters of surface water.
The project aims to quantify the link between water conditions, fish populations, and wading bird nesting success in the Florida Everglades. Researchers will collect data on aquatic prey and habitat conditions during the dry season to provide essential insight into restoration efforts.
Researchers found that elevated CO2 levels can cause leaf temperatures to rise by up to 1.3°C in forests, with a greater impact during extreme heatwaves. This change is likely caused by reduced transpiration and could have significant effects on the water cycle globally.
Researchers discovered a gene variant, DsCEN/2, that determines wood pink's flowering time and growth. The warm allele delays flowering and encourages general plant growth, while the cold allele controls early flowering at high altitudes.
A new 'connectivity–ecological risk–economic efficiency' (CRE) framework integrates environmental, economic, and climatic factors to support sustainable development in cold regions. The approach identifies key ecological sources and corridors connecting them, optimizing conservation strategies for ecosystem connectivity and resilience.
A new study reveals that modern agriculture is threatening biodiversity in European protected areas, but traditional low-intensity farming methods can help preserve habitats and species. The findings highlight the urgent need to strengthen agricultural regulations inside protected areas to achieve EU biodiversity conservation goals.
Researchers have developed a practical and affordable method for assessing the state of river ecosystems by using different substrates such as marble tiles, alder leaves, and cotton strips. The study found that these materials can provide valuable information on the condition of rivers and help address pollution.
A new study by Dr. Tiago de Melo Cartaxo from the University of Exeter reveals that UNESCO Biosphere Reserves' less prescriptive regulations promote harmonious coexistence between people and nature. The use of soft law instruments supports local responses and fosters community collaboration in environmental management.
Researchers used global environmental DNA (eDNA) surveys to map marine fish species' geographic ranges. These findings highlight current biases in conservation efforts and ecological models.
A remotely operated vehicle (ROV) in the Western Weddell Sea uncovered extensive maintained fish nesting grounds, revealing patterns and organization, which are thought to be a survival strategy. The discovery provides critical insights into Vulnerable Marine Ecosystems and their importance for biodiversity.
A new study reveals that land-use change was the primary cause of biodiversity loss on Mount Kilimanjaro's lower slopes over the last century. Human activities such as population growth and economic development led to a decline in plant species diversity, with up to 75% lost per square kilometer.