Articles tagged with Ecology
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.
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.
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 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.
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.
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.
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.
Australian skinks have developed tiny changes in a muscle receptor that blocks nerve-muscle communication, preventing paralysis and death. This finding could inform the development of novel antivenoms and therapeutic agents to counter neurotoxic venoms.
The study found that bird species richness declined on nearly all Izu Islands, resulting in a degradation of bird communities. The degradation is likely due to direct predation and reduced food resources caused by introduced Japanese weasels.
Scientists have uncovered the remains of a vast animal community that lived in the European Arctic 75,000 years ago. The bones represent the oldest example of an animal community in the region during this warmer period of the ice age, providing valuable insights into how wildlife responded to dramatic climate shifts.
Researchers found that mangrove populations have nearly tripled in areas with oysters, leading to significant acidification of oyster reef sediment. Oyster shell dissolution could impact reef viability and services like filtration and storm surge reduction.
The book examines biodiversity, ecology, and conservation strategies across Mexico's deserts, focusing on the Baja California Peninsula, Chihuahuan Desert, Sonoran Desert, and Tehuacán-Cuicatlán Valley. Key findings include the ecological roles of natural products and traditional medicinal plants.
A new analysis found that diversity hotspots of mycorrhizal fungi overlapped with plant diversity hotspots in only 8.8% and 1.5% of cases, respectively. The study suggests that prioritizing conservation based on aboveground diversity fails to capture diverse belowground regions.
A new study has coined the term 'scrumping' to describe great apes' fondness for eating ripe, fermented fruit from the forest floor. The researchers suggest that this behavior may have played a significant role in the evolution of human alcohol tolerance.
A large-scale study found that zoos are often breeding endangered animals in skewed sex ratios, which can limit genetic diversity and increase the risk of extinction. The research highlights the need for zoos to collaborate and share data on their animal populations to manage conservation efforts effectively.
A study published in the Royal Society's Proceedings B found that closely related bat and bird species share the same habitat due to their shared evolutionary history. This challenges previous ideas about competition driving species apart, suggesting that animals with similar needs tend to group together in suitable habitats.
A new study published in Ecology reveals traditional methods of tracking animal movement may be underestimating the actual distance travelled by whales, particularly for marine species.
A new study using NASA's PACE satellite data established a novel method to determine global plant productivity. The technique relies on the light plants reflect, allowing for accurate capture of short-term changes. This approach has significant implications for understanding carbon sequestration, climate change, and ecosystem monitoring.
A study analyzing data from 10 species at 14 national parks found that animals avoid human infrastructure like roads, trails, and buildings. However, responses varied across populations, species, and individual animals, with some adapted to human presence.
A recent MIT study found that decreases in seed-dispersing animals can lead to a major reduction in forest carbon absorption. The researchers analyzed data from thousands of vegetation plots and found that healthy populations of seed-dispersing animals can absorb up to four times more carbon than similar forests with fewer animals.
A new study reveals how US national parks influence wildlife behavior, with some species avoiding humans while others adapt to developement, affecting ecological dynamics and conservation efforts.
A KAIST research team has developed an optogenetic platform, RELISR, that enables precise spatiotemporal control over the storage and release of proteins and mRNAs. The system employs specific protein-protein and protein-RNA interactions to isolate target molecules within engineered membrane-less condensates.
Wild great tits exhibit clear behaviors signalling 'divorce' long before the breeding season, according to a study by Oxford researchers. The team used data from the Wytham Woods great tit project and found that faithful birds visited feeding stations with their partners more often than those that went on to divorce.
Despite poor health scores for England's rivers, independent review reveals important improvements in freshwater biodiversity, including increases in species richness and diversity. An alternative monitoring standard has been proposed to better reveal the status of different species and inform local decisions.
Researchers found humpback whales lose 11,000kg of blubber during annual migrations, equivalent to energy from 57,000 kg of Antarctic krill. The study reveals a dramatic seasonal change in body condition, with whales fattest in autumn and slimmest in spring.
A study of 25 years of behavioral observations found that gorillas' aggression is shaped by their individual needs and social environment. Pregnant and lactating females directed more aggression towards more powerful group members, while females with more males in the group targeted less powerful opponents.
The study found that most plastic bottles and caps on Pacific coast beaches in Central America originated from local companies, while Asian origin bottles were more common on island coasts. The research sampled over 12,000 kilometers of coastline and collected over 92 mainland beaches, 15 island beaches, and 38 human settlements.
Researchers analyzed 96 years of forest census data, revealing homogenization trends and loss of tree species. The study suggests that reduced forest diversity makes the ecosystem less resilient to future disturbances.
A 150-year-old fossil specimen has been reidentified as a type of invertebrate called a lobopod, marking the first time this line of sea creatures is known to have left the ocean. The study suggests that the lobopod likely lived in a freshwater environment and had chemical defenses that indicate it may have spent part of its time on land.
A recent study published in PLOS One found that European peatlands require warm temperatures and a specific water table depth to accumulate plant matter and store carbon. The study suggests that maintaining a water table around 10 centimeters below the surface is key to allowing peat to grow quickly and store carbon over the long term.
Scientists have released high-resolution maps revealing 90% of mycorrhizal fungal biodiversity hotspots outside protected areas, posing a threat to carbon drawdown and ecosystem resilience. The research highlights the critical role of mycorrhizal fungi in regulating Earth's climate and ecosystems.
Researchers at Oregon State University report a remarkable case of ecological restoration in Yellowstone National Park. The reintroduction of wolves has initiated a trophic cascade that reduced elk populations and allowed aspen trees to begin recovering, with nearly 80% of the 87 surveyed stands showing signs of growth.
A recent study found that behavioral flexibility is related to foraging breadth, not social or habitat use behaviors, in great-tailed grackles rapidly expanding their geographic range. The researchers discovered that flexible individuals switched between different food types more often in the wild.
A new breeding concept for wheat aims to increase resilience to climate change by utilizing the microbiome. Researchers have identified varieties that produce natural nitrification inhibitors, which help control soil nitrification processes.
A University of Michigan study found that goldenrod plants growing in nutrient-rich soil are more likely to defend themselves against insects. The study showed that goldenrod that grew in fields fed annually with agricultural levels of nitrogen were more likely to 'nod' as a defense mechanism.
Researchers uncover osteoderms in nearly half of all lizard species worldwide, shedding light on heat regulation, mobility, and calcium storage. This discovery reshapes the understanding of reptile evolution, suggesting that these skin bones evolved in response to environmental pressures.
A recent study found that tropical cyclones in Madagascar significantly elevate the risk of malaria infection and reinfection. The introduction of long-lasting vaccines can help sustain malaria infection control during climate-related intervention gaps, but layered strategies are essential to stop transmission.
Research reveals that warming seas are changing mating routines of critically endangered female angelsharks, prioritizing staying cool over visiting breeding grounds. This mismatch in behavior could have severe consequences for the species' future.
Researchers discovered that male peacock spiders use sensory exploitation to deceive female spiders by mimicking a wasp's face through visual trickery. The illusion is most effective at longer distances or in the female's peripheral vision, allowing males to initiate courtship without being rejected.
Researchers at University of Missouri uncover the antiviral potential of defensins, tiny proteins with powerful antimicrobial properties. Defensins can block SARS-CoV-2 from entering human cells, offering a promising approach to treating viral and bacterial infections.
Wild chimpanzees show reduced participation and performance in tool-use behaviours as they age, with individual differences in impact observed. The study provides evidence that old age leads to a gradual withdrawal from tool use, affecting efficiency and daily tasks.
Research reveals key differences in how ocean viruses affect carbon flow, with potential climate implications. RNA viruses disrupt carbon and nutrient recycling, making it harder for bacteria to break down organic matter.
Cal Poly biological sciences Professor Emily Taylor is co-organizing the worldwide awareness week for snakes, highlighting over 3,500 globally significant species. The event promotes peaceful coexistence between humans and snakes, educating people about their importance in food webs and disease control.
A global ecology study reveals that birds migrating through tropical regions travel at a steadier pace but with more variation in altitude compared to temperate regions. Birds adjust their flight altitudes to avoid strong winds, a key finding with implications for conservation efforts in tropical cities.
The ESA2025 Annual Meeting in Baltimore will feature four 20-minute talks on various ecological themes. The event provides media access to scientific sessions and a press room with refreshments and internet.
A new analytical method reveals overlooked species at risk of extinction, providing a valuable layer of insight for conservationists. The dual-role approach captures both predator and prey interactions, identifying keystone species and vulnerabilities.
Researchers found that drones can suppress common reed invasions with over 99% effectiveness, using a single targeted herbicide application. This method provides convenient access and reduces risks of trampling or disturbance, while also minimizing off-target impacts and promoting native vegetation recovery.
Scientists studying ant plants in Fiji have discovered a way for the plant to keep the peace among conflicting ants by providing separate chambers. The new research reveals that compartmentalization is an effective evolutionary strategy to mitigate conflicts, allowing the host plant to benefit from multiple symbiotic relationships.
Restoration efforts have shown promising results, with satellite data indicating that restored peatlands' temperature and albedo improve over time. However, the return of vegetation is slower, emphasizing the need for additional measures.
A new international study reveals that Skagerrak likely serves as a nursery area for young Greenland sharks, contrary to common associations with Arctic waters. The research also confirms that newborn sharks are born in undisturbed deep-sea areas near the Mid-Atlantic Ridge, south of Iceland.
Researchers investigated differences between urban and natural soundscapes around the world, analyzing various descriptive indicators such as sound energy and variation in frequencies. The study found that green areas in urban settings often harbor a greater diversity of bird species than natural environments.
Researchers developed a new method for selective conversion of epoxides using glutathione S-transferase enzymes, producing pure substances with desired properties. The process is inspired by nature's detoxification mechanism and demonstrates the potential to translate natural reactions into useful syntheses.
A multinational research team analyzed life history trait data for 1,613 fish species across 14 major rivers worldwide. They found significant variation in life history traits among river systems, strongly associated with key environmental variables.
A study suggests that eliminating invasive rats can restore the flow of nutrients across food chain networks in Seychelles, potentially enhancing ecosystem function on coral reefs. Seabird populations play a mediating role in this process by increasing turf algae growth and stimulating top-down controls.
Researchers discovered plants can select good microbes and suppress harmful ones to thrive in challenging conditions. The concept of functional team selection highlights the importance of microbiome diversity in plant adaptation.
A new study resolves why male-female power asymmetries vary across primate societies, finding that contests between males and females are common. The research reveals that female empowerment often relies on alternative pathways, such as reproductive strategies to gain control over matings.
A new approach to forest fire emergency response uses data-driven forecasting to anticipate where fires are most likely to occur. The system continuously adapts to changing conditions, ensuring resources are always positioned where they can be most effective.
Research reveals rainfall dramatically affects planktonic fungal communities in urban lakes, reducing species richness and evenness. Parasitic fungi emerge as key biomarkers, with changes in their abundance and distribution observed following precipitation.