Articles tagged with Ecology
Research shows that ants with less protective armor, such as cuticle investment, tend to have larger colony sizes and are more successful in terms of diversification rates. This suggests that complex societies like humans may evolve by sacrificing individual quality for collective power.
Researchers analyzed DNA captured on air filters since the 1960s to track changes in ecosystem biodiversity. The study found a clear decline in biodiversity from the 1970s to the early 2000s, linked to human activities such as forest management.
A newly discovered Philippine pitcher plant, Nepenthes megastoma, is already at risk of extinction due to severe weather conditions and human encroachment. The species has limited population and is threatened by poaching, deforestation, and droughts.
Research reveals that single-celled organisms are among the first to colonize newly formed lava environments, thriving in scarce water and nutrient conditions. As diversity stabilizes over time, rainwater plays a critical role in shaping microbial communities, suggesting an unexpected link between weather phenomena and life on Earth.
Researchers at the University of Michigan have discovered that woodrats' duplicate SERPINA3 genes give them a potent immunity against rattlesnake venom. The study found that the different proteins encoded by these genes can block toxic components in snake venom, allowing woodrats to survive bites that would be deadly for humans.
The Eva Mayr-Stihl Foundation is funding a new tenure track endowed professorship for silviculture and climate change adaptation, an international research laboratory, and an incubator fund. The initiative aims to adapt forests to global change while securing their ecological and social functions.
Researchers found 13 bird species, 11 mammal species, and 2 amphibian species in Danish moss samples, demonstrating its potential for monitoring global biodiversity. The study suggests that moss-based DNA sampling could work globally due to its simplicity, effectiveness, and gentle nature.
Researchers are exploring ways to create green, closed-loop electrical insulation systems with excellent performance and recyclability. Bio-based monomers and mineral-based silicones are replacing petrochemical feedstocks, while advanced processing techniques enable self-healing and physicochemical recycling capabilities.
Young Caribbean manta rays swim with groups of fish, creating small ecosystems that support a variety of marine species. The study found that four families of teleost fish regularly associate with young mantas, including remoras and jacks.
A study by Swansea University found that higher-ranking baboons get less and more fragmented rest at night compared to lower-ranked troop mates. This disruption is caused by the baboons' social bonds and dominance, leading to increased influence on each other's behavior.
A comparative study of 117 mammal species found that reproductive suppression increases lifespan by an average of ten percent. The study suggests that blocking reproduction allows more energy to be directed towards longevity, with significant effects observed in various mammalian groups.
A new study led by UniSC has pinpointed areas and times when large seabirds like the Antipodean albatross are most at risk of injury or death from fishing longlines. The researchers identified winter hotspots in a latitudinal band near the Tropic of Capricorn, where juvenile and female birds face the highest risk.
A University of Rhode Island professor studied natural selection in Anolis lizards impacted by hurricanes, finding longer limbs and larger toepads increase survival rates. This study confirms hurricanes as a source of episodic natural selection with lasting evolutionary effects.
A decade-long study found that cultured shellfish distribution determines spatial hotspots and seasonal peaks of shorebirds along China's coast. The research suggests managed mariculture is a better solution to food security for migratory bird protection than imposing a ban.
Scientists at Lund University have tracked migratory red-backed shrikes using new data loggers, showing precise schedules and minimal variation between individuals. The study provides insight into genetics influencing small bird migrations across continents.
Researchers found that nanoplastics entered the bloodstream and accumulated in organs within days of ingestion, potentially leading to disorders in nervous and reproductive systems. The particles were primarily expelled through the intestine, but some remained trapped for a long time.
Recent research articles explore innovative methods for rehabilitating coral reefs, new observations of masquerading behavior in deep-sea squids, the rapid expansion of Sphagnum peat patches across Alaska's North Slope, trade-offs between protected areas and sustainable development goals, and a surprising first-time observation of moth...
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.
University of Houston engineers have discovered that melatonin helps plants grow by adjusting biological processes to coincide with daily cycles. The hormone also enhances photosynthesis and improves stress tolerance in crops.
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 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.
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 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 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 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 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 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.
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.
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.
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.
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 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.
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 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.
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 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 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 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 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 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 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.
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.
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.
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.
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.
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.