Articles tagged with Ecology
A new study has shown that turf algae release chemicals that can kill young kelp, creating a feedback loop that reinforces kelp forest collapse. The research reveals an indirect way climate change is reshaping ocean ecosystems, complicating kelp forest recovery along Maine's rapidly warming coast.
A meta-analysis from the University of Copenhagen shows that flower strips with at least two sown species increase the number of natural enemies by an average of 70 percent. This is due to the diverse range of flowers attracting a broader range of beneficial insects, such as ladybirds and hoverflies.
Researchers at UCSF have successfully engineered a shapeshifting protein that can change shape in response to signals, potentially leading to breakthroughs in medicine, agriculture, and environmental applications. This achievement marks the first step towards creating stable yet dynamic proteins using AI-augmented protein engineering.
New research reveals that turf algae in warming Gulf of Maine waters are chemically inhibiting the recovery of kelp forests, threatening these crucial marine ecosystems. Laboratory experiments show that turf-derived compounds inhibit early growth stages of kelp, altering the chemical ecology and preventing re-establishment.
A Kyoto University study reveals that seasonal timing of terrestrial invertebrate resource subsidies can mediate life-history variation in wild organisms. The researchers found that early subsidies led to the highest life-history variation, while later or no subsidies resulted in lower variation.
A University of Michigan study reveals that songbirds making arduous winter migrations to warmer climates exhibit higher genetic diversity than those staying closer to their breeding locations. This finding highlights the interplay between genetic diversity and climate change/human impact on bird habitats.
Under carbon limitation, trees shift from roots to mycorrhiza for nutrient acquisition. Mycorrhizal colonization and extramatrical hyphal length increase, while root physiological activity declines.
Researchers found a total of 2,829 genetically defined species, with bacteria richness being 10.3 times greater than eukaryotes. The study revealed previously unknown associations between bacteria and eukaryotes, suggesting novel mutualisms that may promote nutrient exchange.
A new study reveals that climate change is rapidly becoming a third major threat to Earth's wild animals, alongside habitat alteration and overexploitation. The research found that 5.1% of assessed animal species are threatened by climate change, with six classes having at least 25% of species at risk.
A novel analysis suggests more than 3,500 animal species are at risk from climate change, with significant threats to invertebrates and marine life. The study highlights the need for a global database on mass mortality events due to climate change and integration of biodiversity and climate change policy planning.
A new international study published in Nature Ecology & Evolution found that fertilizer can help plants survive short-term periods of extreme drought. The researchers added nitrogen, phosphorus, and potassium to 26 sites across 9 countries and found a 24% increase in plant growth with fertilizer addition.
The Amazon rainforest could withstand prolonged droughts caused by climate change, but this would come with significant losses, including the death of largest trees. This would lead to a reduction in the forest's ability to act as a vital carbon sink.
A new study on mountain ecosystems under climate change found little empirical support for the widely recognized 'escalator to extinction.' Instead, biotic homogenization is identified as a more immediate concern, with species communities across different elevations becoming increasingly similar.
The Ecological Society of America recognizes William H. Schlesinger with the Eminent Ecologist Award for his global element cycles work, and Carmen R. Cid receives the Distinguished Service Citation for her long volunteer service to ESA. These awards inspire new insights and collaborations.
A study by Bernauer et al. found that democratic countries offshore environmentally-damaging products more than others, leading to lower greenhouse gas emissions at home. This challenges the notion of democracies having a moral high ground in environmental protection.
A new study published in Nature reveals that maintaining a healthy diet is the most effective way to rebuild a depleted gut microbiome, outperforming fecal transplants. The research shows that a Western-style diet can severely impact the microbiome's ability to defend against pathogens.
A study at the University of Trento has observed the brain activity of honey bees during sleep and identified similarities with human sleep patterns. The researchers used a combination of optical brain imaging, machine learning analysis, and computational neural modelling to analyze how sleep influences sensory perception in bees.
Wild chimpanzees develop different attachment types to their mothers, with some showing secure and confident attachment, while others exhibit insecure-avoidant behavior. This study provides insights into the roots of human social behavior by bridging psychology, animal behavior, and anthropology.
Researchers highlight the need to study floating solar projects' impacts on birds and other wildlife, aiming to avoid negative effects while promoting ecological benefits. The study suggests examining bird behavior interactions with floating PV systems and identifying risks and solution pathways for coexistence.
Viruses that infect and kill toxic algal blooms can cause the release of high levels of toxin microcystin-LR into water, posing a significant risk to human health and ecosystems. The finding highlights the need for better understanding of these interactions to inform forecasting and mitigation strategies for harmful algal blooms.
Researchers found that wild chimpanzees use compositional and non-compositional call combinations to create new meanings, similar to human language. This suggests a highly generative vocal communication system in chimpanzees, challenging previous views on the evolution of language.
Bees are severely affected by heat and land use, with populations in forests coping better than urban relatives, which saw a 65% decline.
Diana Wall's posthumous major donation of $514,000 to the Ecological Society of America will support ESA's programs advancing ecological research and supporting ecologists. The gift reflects her dedication to ecology as a critical tool for addressing global environmental challenges.
A study found that road networks have a significant effect on the distribution of plant specimens in China, with collection activities becoming increasingly reliant on roads. To improve representativeness and completeness of survey outcomes, future surveys should prioritize areas with limited road network coverage.
A study found that bumblebees are twice as likely to visit yellow flowers compared to red ones, with increased scent emission being a key factor. However, the shape of the flowers presented problems for bees, hindering efficient pollen transfer.
African starlings form reciprocal helping relationships that last over many years, similar to human friendships. The birds preferentially aid relatives but also help specific non-relatives, suggesting a complex social structure.
New study models spatial patterns of grazing halos around coral reefs and finds that halo patterns can signal reef resilience. The research suggests that stable halos exist where herbivores are limited by predators, while oscillating halos may indicate a shift in system health.
Researchers used a synthetic model of intestinal bacteria to study how microbial communities respond to extreme stress conditions. They found that when mutualism breaks down, these bacteria become more vulnerable to stress but can survive if they fend for themselves.
Research shows that sea ice disappearance changes underwater light color, impacting photosynthetic organisms like algae and phytoplankton. This shift has far-reaching ecological consequences, including altered species composition and potentially changing the Arctic food web.
Scott Solomon, a biologist and teaching professor at Rice University, has been awarded the prestigious Piper Professor honor for his exceptional teaching and service to students. He is known for igniting students' curiosity and helping them connect scientific knowledge to real-world applications through immersive field-based courses.
The University of Jena, Germany won the prestigious Dance your PhD competition in Biology with its engaging video Plant Vaccination, showcasing Priya Reddy's doctoral thesis on plant immune research. The video combines scientific accuracy with creative freedom, highlighting the potential of science to reach a wider audience.
A nine-year study of Drummond's rockcress plants found that climate change is outpacing natural gene flow, threatening population survival even within a broadly distributed plant species' native range. Assisted gene flow could help maintain genetic diversity and species persistence, but must be carefully managed.
The Ecological Society of America has elected 18 new Fellows for 2025, honoring their significant contributions to ecological research and its practical applications. The recipients include experts in fields such as theoretical ecology, restoration ecology, conservation biology, and microbial ecology.
Researchers from the University of Waterloo have developed a method to restore tens of thousands of oil and gas exploration sites in western Canada using native moss. The technique involves transplanting moss onto decommissioned well pads, effectively recreating peatlands and supporting ecosystem development.
A comprehensive study analyzes over 1,346 migratory movements of 805 individuals from 34 breeding colonies. The research reveals that the three shearwater species mostly preserve their migratory identity while showing gene flow between populations.
A University of Michigan study identifies Dolichospermum as the cyanobacteria responsible for producing saxitoxin in Lake Erie. The researchers found that warmer water and specific environmental conditions promote saxitoxin production, highlighting the need for continued monitoring to assess potential changes with climate change.
Researchers developed a universal theory to explain species distribution patterns, estimating species numbers at key transition points between phases. The three-phase pattern of Species-Area Relationships shows rapid increase in local areas, slowing down in regional areas, and accelerating on continental scales.
A study by scientists at the Smithsonian Tropical Research Institute found that juvenile fringe-lipped bats do not initially differentiate between palatable and unpalatable frogs and toads, but learn to identify toxic species through experience. As they mature, adult bats respond more strongly to palatable prey.
Research by NIOO-KNAW reveals that less intense farming practices, such as reduced ploughing and increased grass-clover mixtures, can improve soil health and multifunctionality in both conventional and organic agriculture. This approach, known as 'productive de-intensification,' aims to retain crop yields while enhancing soil functions.
The newly discovered bone collector caterpillar is a rare, carnivorous species found only on the Hawaiian island of Oahu. It patrols spiderwebs while adorned in body parts of its prey, likely as a form of macabre camouflage to avoid detection by its hosts.
The 2025 BioOne Ambassador Award recognizes exceptional early-career researchers who are advancing public understanding of science through effective communication. The award highlights their outstanding research and commitment to sharing their work with a broader audience.
Scientists found that anaerobic microbes in wetlands can remove up to 70% of methane in oxygen-deprived soils, but their ability to do so is threatened by rising temperatures. When scientists simulated a hotter future, methane emissions spiked under hotter temperatures alone.
A new method for DNA detection uses heterogeneous probe particles and laser light to accelerate genetic analysis. This PCR-free technique offers greater sensitivity and speed than traditional methods, making it more accessible for medical, environmental, and personal health applications.
Research explores how climate change affects elk populations, alpine plant communities and bee microbiomes. For example, a study found that food availability, not just overall quality, impacts elk pregnancy rates, while another study showed limited changes in mountain plant species over nearly two decades.
Researchers found that foraging behaviors, physical characteristics, and diet are more nuanced than previously thought. The birds partition their habitat by foraging in different areas of the tree, but diet differences are minor.
A new numerical computer model tracks how pollution travels through Galveston Bay, helping scientists understand water movement in estuaries. The model is critical for evaluating climate variability and sea level fluctuation impacts on coastal communities, guiding better decisions to keep water clean and prevent flooding.
A new study found that clobazam, a common anxiety medication, alters the migration behavior of wild Atlantic salmon by acting on neural pathways. The findings suggest that even trace levels of psychoactive drugs can disrupt essential survival behaviors in wildlife, posing a threat to biodiversity and ecosystem functioning.
New research suggests that conservation efforts can better protect bird species at greatest risk from climate change by understanding the specific climatic conditions they need to thrive. The study found that species with narrower climatic niches are more susceptible to population declines.
Research articles explore relative effectiveness of wildfire fuel treatments, geese impact on Arctic breeding grounds, bumble bee foraging behavior in agricultural areas, and the discovery of epiphytes in cities.
The European Catfish has a prolonged breeding season of almost five months, allowing its offspring to survive extreme events and compete for food resources effectively. This finding is crucial for controlling the species' population, as removing larger individuals can help reduce fecundity.
A new study analyzes modern pollen data with biodiversity indices to reconstruct angiosperm diversity patterns across China. The results show that climate strongly influenced diversity, with coldest-month temperatures being the dominant factor.
A recent Nature study found that human activities negatively affect wildlife biodiversity hundreds of km away, with only one out of five suitable species present in heavily impacted regions. Maintaining at least 30% pristine surrounding land supports conservation targets to protect about 1/3 of the land.
A recent study published in the ICES Journal of Marine Science reveals that bigeye tuna, yellowfin tuna, and swordfish source between 50-60% of their diet from the twilight zone. This suggests that any changes to the twilight zone's food web could have profound implications for these fisheries.
A new study provides insight into the American Kestrel's mysterious decline by examining juvenile survival rates, revealing high success in the first weeks outside of the nest. This breakthrough may redirect future studies to untapped areas of inquiry and inform conservation efforts.
A study tracking 89 Northern Saw Whet Owls in Western Montana reveals stopover behavior and notable individual variation, highlighting the complexity of their migrations. The research sheds new light on the migration patterns of North America's smallest owl, with implications for conservation efforts and further studies on other owl sp...
A study by Eawag and the University of Zurich found that human impacts on biodiversity are widespread and severe, with average species declines of 20% across all biogeographic regions. The composition of species communities is also shifting, with environmental pollution and habitat changes having a particularly negative impact.
A study published in Ocean and Coastal Management reveals that artisanal fishers can be almost as accurate as satellites in producing environmental data. The researchers mapped seagrass beds along the coastlines of five Greek islands, with fishermen's maps showing an average accuracy of 78%, compared to 11% more than government policies.
The new Individual-based Ecology journal publishes its first articles, offering a fresh perspective on how individual organisms and ecological systems dynamics are linked. The journal focuses on individual-based perspectives in ecology, complementing other ecological disciplines.
A new study finds that the majority of carbon dioxide absorbed by ecosystems is stored in dead plant material, soils, and sediments. This discovery suggests that terrestrial carbon stocks are more resilient and stable than previously thought, with most carbon sequestered over the last three decades stored in nonliving organic matter.
Gray seals possess the cognitive ability to perceive oxygen levels, regulating dive duration accordingly. Elevated CO2 levels do not impact dive duration, suggesting a separate mechanism for oxygen perception.