Articles tagged with Ecology
Researchers found that trematode parasites are more abundant in cooler temperate waters, defying the typical pattern of higher biodiversity near the equator. Temperature and host mobility play a major role in shaping parasite distributions, with certain species thriving in areas where hosts can tolerate infections better.
A new study reveals that improving surrounding landscape quality can increase bird species survival in forest remnants, with modest increases in nearby tree cover substantially boosting numbers. This contradicts traditional views on habitat fragmentation and highlights the importance of a more hospitable matrix for conservation.
Researchers discovered that soil bacteria can efficiently degrade toxic chemicals like styrene and phenol through alternative metabolic pathways. The study's findings have significant implications for environmental biotechnology and climate change mitigation.
The report, prepared by BioAgora, highlights the benefits of building-integrated greenery for biodiversity, climate resilience, energy efficiency, and human wellbeing. It offers actionable guidance for local authorities to integrate green roofs and walls into spatial planning and building codes.
Researchers at the University of Missouri have found that the Amazon molly's ability to reproduce asexually is due to gene conversion, which preserves and repairs DNA inherited from both parent species. This process allows the fish to maintain genetic health despite millennia of cloning.
Recent ESA research studies explore supply and demand of bird migration routes, scavenging by mid-sized carnivores, and polar bear adaptation to a thawing Arctic. A new metric compares bird demand with habitat supply to assess stopover sites along migratory routes.
Research finds global hotspots of plant invasion risk will shift geographically, with temperate regions facing increasing risks, while subtropical areas may see declining risks. The study projects significant changes in alien species composition and expected impacts on native biota and human well-being.
Researchers have developed VertINGreen, a web-based platform that transforms vertical green walls into intelligent environmental systems using remote sensing technology and machine learning. This system enables precise planning and real-time monitoring of indoor plants, reducing maintenance costs and increasing the benefits of green wa...
The US Nature Assessment Report documents human impact on nature, including resource extraction and habitat loss, but also shows restoration and Indigenous stewardship approaches can help turn things around. The report highlights the importance of farmer involvement in protecting ecosystems and preserving biodiversity.
A new study by the University of Stirling found that beaver-created wetlands had 19% more species than other types of wetland. The research team believes their findings could hint at the scale of past biodiversity loss associated with a lack of beaver-dependent wetlands.
A new field study reveals that biochar can significantly restore soil health and nitrogen availability in forests affected by acid rain. Biochar triggers major biological changes in the soil, enhancing microbial biomass and increasing nitrogen use efficiency.
Researchers studying ghost forests along the mid-Atlantic coastline found that changes in stemflow chemistry affect carbon cycling and microbial communities. The team's findings suggest that understanding these processes can help predict which forests are most vulnerable to sea level rise.
Restored oyster reefs in the US Atlantic coast remove more nitrogen from the water than previously estimated. Additionally, their restoration provides greater economic value for coastal communities, supporting sustainable marine ecosystems.
A study analyzing dragonfly larvae found moderate to high-risk mercury sites across 30 US National Wildlife Refuges, posing threats to fish, wildlife, and human health. The research provides baseline measurements for tracking change and informs future management actions to reduce mercury bioaccumulation.
A new open access database of cactus ecology and evolution could help scientists and conservationists save species from the brink. The CactEcoDB offers an unprecedented window into the evolution, ecology and conservation needs of one of the world's most distinctive and endangered plant families.
New research suggests that climate change causes dormice to gain weight before hibernation but lose weight after, potentially as a result of smaller bodies losing heat faster. The study also found that habitats with higher density hedgerows were associated with heavier dormice.
A new model developed by MIT scientists suggests that the hydroxyl radical, a key air cleanser, may boost methane breakdown levels due to rising water vapor but also reduce them due to increased biogenic emissions, resulting in a small net gain in its effectiveness.
Research from Lund University reveals that female mosquitofish from different habitats exhibit aggression towards males from other environments, leading to reduced fertilization success and potential reproductive isolation. This phenomenon highlights the importance of female resistance as a mechanism underlying evolutionary processes.
A HKU study has discovered a previously overlooked process controlling phosphorus availability in ancient iron-rich oceans. Phyllosilicate minerals effectively trap dissolved phosphate on their surfaces via an 'Fe(II) bridging effect', removing essential nutrients from seawater and limiting marine life.
A study from Michigan State University reveals that extreme weather can actually strengthen certain ecosystems, leading to increased productivity and resilience. The researchers found that phytoplankton species, which are crucial for removing carbon dioxide from the air, thrive when temperature fluctuations increase.
The study reveals that prolonged exposure to microplastics alters key physiological processes in gorgonians, such as respiration, without visible damage to tissues. The changes indicate sublethal effects on metabolic activity, potentially compromising the resilience of Mediterranean gorgonians.
A research team found that sweet osmanthus flowers use their intense fragrance to repel honeybees and other pollen feeders, while attracting tiny pollinators like thrips. This 'push–pull' strategy helps the plant filter out unwanted visitors and maintain reproductive success.
The global fragrance industry has a significant impact on plant diversity, with an estimated 45% of flowering plants at risk of extinction. A new model, The Red List Project, pairs fragrance manufacturers with local conservation organizations to produce marketable products while supporting local environmental stewards.
Rising temperatures of just 1°C drastically increase the likelihood of malformation in Neotropical lizards. Thermal stress caused by climate change disrupts normal development, leading to severe consequences.
A new study from Lund University reveals that old-growth forests in Sweden store 78-89% more carbon than managed forests, mainly due to large carbon stocks in the soil. The study's findings have significant implications for climate change mitigation and forest management.
Researchers found juvenile smalltooth sawfish showing strong site fidelity to the South Fork of the Saint Lucie River, spending up to 87% of their time within a 0.4 square kilometer area. This suggests that the Indian River Lagoon is once again functioning as a nursery for this endangered species.
Researchers at Binghamton University found a significant shift in moth flight patterns over a century, with some species emerging later in the year. The study also identified missing moth species in the region, highlighting the impact of anthropogenic change on ecosystems.
Engineers from the University of Colorado Boulder have discovered the mathematical rules that fireflies follow to sync up their flashes in a South Carolina swamp. The team's findings could lead to new designs for robots that move in swarms and help scientists understand other examples of synchrony in biology.
Researchers at Kyoto University discovered that bees favor flowers with early visitors over color, even when the latter has an initial disadvantage. This finding indicates that social information plays a crucial role in pollinator choice, and flowers that secure early visitors may gain a lasting advantage.
A study by Florida Atlantic University researchers has uncovered the impact of stress on wild songbirds, finding that even mild challenges can alter the gut microbiome, leading to changes in health indicators such as beak color and stress hormone levels.
Researchers tracked 69 ravens and 20 wolves across Yellowstone National Park for two and a half years, finding that ravens knew where to go without cues from wolves. Ravens were spotted at nearly half of observed wolf kills within seven days and made beelines to common kill sites.
Researchers found that ravens rarely trail predators over long distances and instead rely on spatial memory to return to places where kills have occurred before. Ravens treat areas with historically high kill density as predictable foraging sites, indicating that navigation and memory play the dominant role in food source location.
Research finds extreme cold and rain reduce young bird growth and survival, but earlier breeding can mitigate these effects. In contrast, hot extremes can boost growth by increasing insect activity and visibility.
A recent study on the 2021 North American heat wave reveals that some species, such as sea lettuce, were able to withstand the extreme temperatures, while others, like mussels and blueberry plants, suffered severe declines. The research highlights the importance of understanding these differing effects to prepare for future heat waves.
The Global Coral Tech Transfer Project brings together SECORE International, Australian Institute of Marine Science, and FUNDEMAR to share coral breeding techniques and technologies for large-scale restoration. The partnership aims to create a comprehensive toolbox for boosting reef resilience worldwide.
A Europe-wide citizen science study reveals that common buzzards are becoming more uniform in color, with lighter birds found in north and central Europe and darker birds in Brittany and Iberia. The study's findings suggest that the loss of color diversity may compromise the species' ability to adapt to future environmental changes.
The Proceedings of the National Academy of Sciences has selected six papers for the 2025 Cozzarelli Prize, recognizing outstanding contributions to physics, biology, and engineering. The winners include studies on dusty plasmas, eukaryote evolution, and sound absorption.
Conventional oil and gas infrastructure leaves a deeper mark on freshwater biodiversity than shale gas development in Pennsylvania, according to a new study. The research analyzed over 6,800 benthic macroinvertebrate samples and found conventional development was linked with fewer species and a decline in ecosystem health.
Researchers observed finless porpoises in Ise Bay, Japan, interacting with adults beyond their mothers, challenging the long-held assumption of their solitary nature. Infants approach and swim alongside adults who are not their mothers, suggesting a potential weaker mother-calf bond compared to other species.
A new study by Stockholm University researchers reveals distinct populations of Baltic Sea herring with varying levels of genetic adaptation to local conditions. The findings highlight the importance of genetic diversity in managing herring populations and suggest that current fishing practices may be detrimental to local populations.
A study monitored 60 carcasses in tropical dry forests, finding that better-preserved forests host more diverse scavenger communities with up to 11 species detected. In contrast, degraded environments have simplified communities dominated by opportunistic species, leading to faster carcass consumption.
A new study predicts increasing wildfires and insect outbreaks in European forests due to climate change, altering landscapes and biodiversity. The model simulates changes in forest disturbance rates under three climate scenarios, with wildfire and bark beetle outbreaks projected to intensify.
Researchers found that diisobutyl phthalate (DIBP) exposure significantly increases conjugative transfer frequency of antibiotic resistance genes in bacteria, particularly through oxidative stress and altered cell membrane permeability. This study provides a mechanistic framework for understanding the ecological risks posed by DIBP.
Scientists discovered that a single, 2,400-year-old alerce tree protects hundreds to thousands of underground fungal species. These fungi help forests function by funneling water and nutrients to trees and assisting plants in fighting stressors like drought and pathogens.
A prolonged drought in southeastern Connecticut disrupted the balance of key nitrogen-cycling microbes in a coastal salt marsh. The study found that ammonia-oxidizing archaea and bacteria showed significant fluctuations during dry periods, leading to decreased temporal stability.
A study suggests that moths integrate geomagnetic and visual cues to orient themselves during seasonal migration. The research found that visual cues are indispensable for accurate migratory orientation in the fall armyworm species.
Researchers found that jackdaw chicks learned to associate predator sounds with danger when paired with adult alarm calls, becoming more vigilant. However, they did not learn from contact calls or a non-predatory birdcall, suggesting an evolutionary process to ensure only biologically meaningful links are learned.
Researchers tracked over 700,000 detections from 222 gilthead seabream using acoustic transmitters, confirming a single, functionally connected population on a large scale. This study highlights the importance of regional acoustic telemetry networks in understanding coastal species connectivity and raises questions about current fish s...
Short-eared owls travel long distances to find prey in 'boom and bust' cycles, requiring nuanced perception. Climate change affects these cycles, making conservation efforts crucial for the species' survival.
A new study from Jeonbuk National University finds that current national climate pledges are insufficient to meet the Paris Agreement's 1.5°C temperature goal. The analysis projects a potential warming of 2.48°C by 2300 if countries follow existing plans, highlighting the need for stronger and more immediate action.
A new study reveals widespread and accelerating declines of North American bird populations, particularly in areas with intensive agriculture. The research found that 47% of species studied show significant population declines, with many hotspots experiencing accelerated loss.
A recent study analyzed environmental DNA from the largest global dataset of arbuscular mycorrhizal fungal and found a striking gap: more than 70% of ecoregions lack sequencing data. This underrepresentation threatens biodiversity surveys, plant productivity, soil aggregation, and climate mitigation predictions.
A new mechanochemical approach uses water as a catalyst to transform renewable resources into high-performance porous materials capable of capturing CO2 while removing pollutants. The method produces carbon-negative materials with exceptional hydrophobic characteristics and scalable production.
A pilot initiative led by University College London is using highly detailed 3D scans to estimate tree structure, volume, and stored carbon in tropical rainforests. This data helps scientists better understand how much biomass forests contain, essential for tracking climate change.
A new study reveals that animal species with fast-paced ecologies have faster visual perception, tracking prey in mid-air versus grazing slowly across the seabed. This finding supports Autrum's hypothesis and highlights how ecology shapes the tempo of perception across life on Earth.
A new study explores how artificial lighting at night shapes ecological and genetic patterns of two closely related isopod species, Ligia laticarpa and L. furcata, in Tokyo Bay. The research reveals a clear ecological boundary between the two species, consistent with patterns of urban illumination.
Researchers at the University of Cincinnati found that female caribou gnaw on shed antlers to supplement their diets with calcium and phosphorus, essential for milk production. The study, published in Ecology and Evolution, reveals a previously overlooked benefit of shed antlers in the Arctic ecosystem.
A study found that night lights affect two marine crustaceans differently, with Ligia laticarpa occurrence correlated to higher nighttime light intensity and Ligia furcata reduced activity under artificial lights. Night lights can structure ecosystems by acting as a barrier between lineages, potentially reducing gene flow.
Killer whales in southern Alaska have a diverse diet that shifts between Chinook, chum, and coho salmon across different foraging hotspots. The study reveals the importance of accounting for sampling bias in diet studies and highlights the resilience of the region's killer whale population.
A Canada-wide study using DNA metabarcoding reveals the intricate relationships between cavity-nesting bees and wasps and their food sources. The project, involving over 5000 students, creates detailed maps of these interactions, providing valuable insights into biodiversity and conservation.