Articles tagged with Autumn
Researchers at University of Leicester developed a comprehensive fungal spore calendar to help patients manage symptoms through seasonal awareness. The study found two main peaks in spore concentrations: one in the summer and smaller peak in autumn, influenced by temperature and rainfall.
Researchers tracked Bewick's swans using GPS data and found that the birds' wintering areas shift northeast as temperatures rise. The swans' migration patterns are influenced by temperature and wind, with warmer winters allowing them to hibernate further north.
Researchers found a 30% higher likelihood of live births when eggs were collected in summer rather than autumn. They also discovered that bright sunshine on the day of egg collection increased the chances of a successful pregnancy.
A new study found that snowshoe hares' seasonal color swap is being disrupted by global warming, leaving them vulnerable to predators. Hares that wait too long to turn white may not survive the winter, highlighting the importance of timing in their survival.
A new study from the University of Ottawa reveals that morning types tend to have superior verbal ability, contrary to previous research suggesting that evening types have an advantage. The study found that accounting for factors like bedtime and age, morning individuals outperformed their evening counterparts in verbal intelligence.
Researchers found that warmer and longer autumn conditions made it less likely for green-veined white butterflies to survive winter. The butterflies used more energy under these conditions, which can lead to lasting negative consequences, including reduced fitness.
Seasonal air pollution may contribute to asthma emergency department visits even in areas with generally low pollutant levels. The study used Bayesian time-stratified case-crossover models to examine associations between air pollution and asthma seasons.
Experts recommend universities take five steps to minimize COVID-19 risks: on-site vaccinations, delayed re-openings, improved ventilation, effective contact tracing and mask mandates. These measures aim to protect students and staff from the Delta variant and prevent outbreaks.
New analysis of 71 years of data reveals that Santa Ana wind fires are largely driven by powerline ignitions and wind speeds. Ignitions account for all fires during these events, with powerline failures being a major contributor to land area burned.
Researchers found that climate warming decreases fungal species and changes community composition, especially in autumn, with only minor impact from tree genes. Fungal communities change significantly as leaves age and the season progresses.
Atlantic bluefin tuna numbers appear to be increasing in UK waters after a long period of decline. Researchers have documented this growth using data from citizen scientists, eco-tourism vessels, and fisheries records, revealing that these fish arrive in May and stay until January, with peak sightings between August and October each year.
A 34-year climate study reveals that decreased wind speed is associated with delayed onset of annual leaf drop, extending favorable growth conditions later into autumn. The authors suggest that reduced soil drying due to decreased winds may be a key factor in this phenomenon.
A study published in BMC Medicine found that local and national restrictions in England reduced social contacts, but the effects were mixed. Restrictions like the Rule of Six and working from home led to modest reductions in contacts, while the 10pm closure had little impact.
The start of California's rainy season has been pushed back from November to December, extending the state's wildfire season by nearly a month. Climate scientists attribute the delay to changes in atmospheric circulation patterns, which bring more rain to neighboring states like Washington and Oregon.
Researchers at ETH Zurich identified a self-regulating mechanism that limits the productive period of trees, leading to earlier leaf fall. Global warming previously expected to delay senescence, but photosynthesis in spring and summer actually accelerates it.
A new study found that climate-driven increases in carbon capture lead to earlier leaf senescence in temperate trees. This challenges the long-held expectation that warmer temperatures would cause leaves to stay on trees longer and slow down climate change.
Researchers analyzed a massive dataset of seasonal events across the former Soviet Union and found that species' activities fail to keep up with their cues due to past evolution. Local adaptation patterns result in a massive imprint on nature's calendar, making geographic variation in seasonal timing more pronounced in spring and less ...
Pygmy owls' ability to overwinter is threatened by climate-driven rot of their stored food. The study found that warmer temperatures and increased rainfall lead to reduced food quality, affecting female owls' survival.
A new study by Columbia University reveals that even as temperatures warm, light remains a major factor in limiting carbon uptake in northern high latitudes. This limitation means that these regions will not become more conducive to vegetation growth and instead release more carbon dioxide.
A recent scientific study describes the nursery of sea ice that formed off the New Siberian Islands in December 2018, which is now drifting through the Arctic. The research vessel Polarstern has been analyzing data from this unique floe, providing valuable insights into the interactions between ocean, ice, and atmosphere.
A new study by Stanford researchers finds that long-term warming and decreased autumn precipitation are increasing the risk of extreme fire weather conditions in California. The risk has more than doubled over the past four decades, with human-caused global warming making these conditions more likely.
Researchers discovered that Asian black bears exhibit a twin-peak pattern of daily energy balance, peaking in spring and autumn. The study found that the bears obtain most of their energy by eating acorns in autumn.
A large US study found that women born in the spring and summer had a slight but significant increase in cardiovascular death compared to those born in autumn. The researchers suggest that seasonal fluctuations in diet, air pollution levels, and sunlight may contribute to these differences.
UK researchers found significant increases in spring, autumn, and winter precipitation in upland areas, with winter increases consistent with national climate models. The study suggests caution is required when making assumptions on climate impacts based on climate models.
A new study by scientists at the University of Chicago found that commercially bred monarch butterflies do not fly southward even in offspring raised outdoors. This suggests that captive breeding disrupts the monarch's migratory behavior and genetic differences between captive and wild populations may be to blame.
A recent study by Norwegian University of Science and Technology found that men tend to act less interested in sex when they want it, whereas women initially show less interest but can become more engaged if the man is attractive. The researchers suggest that this 'tactical game' allows individuals to assess each other's quality withou...
The study found that higher summer populations on northern breeding grounds correlated with larger Mexican winter colonies. Autumn temperatures and disease rates were not significantly associated with winter population sizes.
Young willow tits must find a flock to survive harsh winters, while those that establish high ranks have better odds of attaining long-term survival. Flocking also allows birds to learn from each other and detect predators more effectively.
A new study from Cornell University suggests that climate change could have both positive and negative impacts on migratory birds. The research estimates how wind assistance is expected to change during this century under global climate change, with stronger winds from the south expected in spring and fall migration periods.
Researchers tracked willow warblers' migration routes, finding they fly up to 13,000 km from eastern Siberia to Kenya and Tanzania. The study also identified alternative navigation mechanisms, including solar and magnetic compasses.
A study by Michigan Technological University researchers suggests that more than 100 nuclear weapons in a nation's arsenal can destabilize the country and lead to widespread starvation. The authors argue that maintaining such a large number of nuclear weapons is not only counterproductive but also costly.
Research finds that people are 5% more likely to miss NHS hospital outpatient appointments following the clock change in spring. The study, published in Chronobiology International, analyzed over 2 million appointments in Scotland from 2005 to 2010, revealing a significant increase in missed appointments after the clocks go forward.
Researchers found that large-scale pheasant release programs have not changed the birds' roadkill likelihood, but shifted peak times to autumn and late winter. Captive-bred pheasants lack survival skills after release, making them vulnerable to road accidents.
A new study by CIRES and NOAA researchers found that the spring snowmelt has arrived nearly three days earlier every decade from 1975 to 2016, while the first snow has been happening later. The end result is an increase in length of the snow-free season by about one week per decade.
The study reveals that autumn Eurasian snowfall and surface air temperature contribute to snow variability via different pathways. Researchers found that atmospheric circulation, water vapor transport, and land-surface changes play crucial roles in shaping autumn Eurasian snow patterns.
A study on songbird migrants reveals that temperature plays a crucial role in their migratory decisions, as milder autumns trigger restlessness and delay migration. The results have significant implications for the future of bird migration, highlighting the potential impact of changing environmental conditions.
Wildfires in Indonesia and Borneo exposed 69 million people to unhealthy air pollution, resulting in thousands of premature deaths. The study estimates that between 6,150 and 17,270 premature deaths occurred due to breathing in the polluted air.
A new study explores using colorants to maintain turf color throughout dormant periods. Colorants applied to zoysiagrass at various volumes showed an increase in persistence of green color, with the highest volume providing color for up to 167 days.
The Autumn Symposium 2015 presented diverse perspectives on the use of real-world data in benefit assessments, highlighting its limitations and potential drawbacks. The consensus among speakers was that non-RCT data is not equivalent to 'real world data' and should not be used as a substitute for rigorous clinical trials.
The reintroduction of lions in the Tembe Elephant Park in South Africa highlights the competition between humans, endemic herbivores, and carnivores. The analysis found that lions compete with humans throughout the year, except winter, while also competing with endemic herbivores in all seasons.
A 200-year record of spring's arrival is helping scientists understand how woodland plants respond to rising autumn temperatures, which could affect species survival. Researchers predict that oak trees will leaf earlier than birch trees within a few decades due to warmer autumns.
A Dartmouth-led study found that climate-warmed leaves change lake ecosystems by reducing phosphorus concentrations and altering the density of zooplankton, a crucial food source for larger aquatic organisms.
A longitudinal study found significant summer-to-winter differences in serotonin transporter (SERT) protein levels among Seasonal Affective Disorder (SAD) patients. Higher SERT activity led to lower serotonin levels, impacting mood regulation.
Researchers found that short-distance migratory birds increase their flight speed in spring to reach breeding grounds first and secure resources. In contrast, long-distance migrants take a more leisurely pace in autumn as they are not under the same time pressure.
Researchers recommend several new 'Fuji' strains for growers, citing improved yield, harvest time quality, and attractive color. The top performer was the 'September Wonder' strain, which showed excellent color, storability, and shape.
A 9,000-year-old caribou hunting drive lane has been found beneath Lake Huron, revealing distinct seasonal approaches used by Late Paleoindian/Early Archaic caribou hunters. The complex structure, known as Drop 45 Drive Lane, features stone lanes and blinds that suggest a larger cooperating group of individuals was involved in the hunt.
A study by the University of Southampton found that Autumn is becoming significantly later in the year, while Spring is arriving slightly earlier. The researchers analyzed satellite imagery and vegetation data to identify changes in vegetation growth cycles, finding a delay in Autumn's onset.
New research confirms Arctic ice trends show a five-day per decade increase in the length of the melt season, with implications for climate change tracking and shipping. The study's findings also highlight the importance of understanding Arctic sea ice feedback mechanisms.
Research by Meiyun Lin and colleagues found that Asian ozone pollution reaching Hawaii is relatively low in spring but rises significantly in autumn due to changes in atmospheric circulation. This shift has significant implications for understanding surface ozone levels globally.
In free-ranging Daubenton's bats, resting metabolic rate decreases during autumn to accommodate high energy demands of reproduction while minimizing food intake. During spring, the bats use daily torpor to balance energy budgets.
Research by CSIRO scientists reveals a southward shift in the subtropical dry-zone is driving autumn rainfall decline across south-eastern Australia. The expansion also affects southern-coastal Chile and southern Africa, with some regions experiencing increased rainfall during April-May.
A new study reveals that migratory insects, such as the Silver Y moth, can survive and thrive in Northern Europe during the summer, thanks to abundant food supplies. This discovery challenges previous assumptions about insect migration and highlights the importance of monitoring these species for pest control and ecosystem balance.
Researchers at the University of Nottingham have developed a novel antimicrobial catheter that can kill most urinary bacteria, including Proteus bacteria, for up to twelve weeks. This innovation has significant advantages over existing solutions, offering a solution to recurrent infections in long-term catheter users.
A new study found large numbers of humpback whales remaining in Antarctic bays until late autumn, with densities estimated at up to 1.75 whales per square kilometer. This challenges previous thought that the annual migrations would begin earlier.
A recent study found that urban heat islands cause trees to turn green earlier in the spring and stay green later into autumn in Mid-Atlantic suburbs. This results in an extended growing season, affecting forests and potentially increasing carbon dioxide uptake.
A new study found that warmer temperatures in the autumn can lead to colder winters due to increased snowfall at lower latitudes. The researchers observed strong warming in the Arctic during July-September and its impact on precipitation over Eurasia, resulting in an increase in average snow coverage.
Crowd-sourcing efforts identified key disease-causing genes in the E. coli O104:H4 strain, which carries a high number of genes involved in disease. The outbreak, affecting over 16 countries, has been linked to contaminated beansprouts and resulted in thousands of cases and multiple deaths.
A new study from Rhode Island Hospital found a significant increase in methicillin-resistant Staphylococcus aureus (MRSA) infections during the summer and autumn months, particularly among pediatric patients. The researchers attribute this seasonal variation to high temperatures and humidity promoting microbial growth on the skin.
Patients over 65 who survive hospitalization with mechanical ventilation are more likely to suffer from long-term disabilities compared to those without ventilation. Researchers found that these patients experience greater mobility difficulties and activities of daily living (ADL) disability, even when their pre-hospitalization disabil...
Research on 1,000 adults aged 18-85 found that physically fit individuals experience fewer and milder colds. Exercise was shown to boost immune system cells, reducing infection frequency by 43% and symptom severity by 41%.