Articles tagged with Forests
A Dartmouth-led study reveals that actively managed mixed wood forests in New Hampshire have significant carbon stores, both above and below ground. The research found that the forests' soil carbon is higher in subplots with more trees, especially fir and spruce species.
A new study finds that increased rainfall extremes could drive tree growth reductions across the southwest US. Tree-ring records analyzed by researchers reveal that major species such as ponderosa pine, Douglas-fir, and piñon pine are particularly affected.
Research reveals that coniferous forests struggle to recover after wildfires due to limited seed availability, particularly near severe burn zones. Warm and dry conditions further impede new tree seedling establishment. Land managers are advised to concentrate reforestation efforts in cool, wet areas.
A new research special issue analyzes landscape patterns to understand their effects on resource sustainability, ecosystem health, habitat connectivity, and other societal values. The study highlights the importance of measuring and monitoring these patterns to ensure sustainable landscapes.
New research reveals that coniferous forest aerosols no longer cool the climate as much, thanks to increased small airborne particles caused by human activities. The reduction of natural aerosols and increase of smaller particles diminish the cooling effect on the climate.
Aiming to limit warming to 1.5°C can maintain Arctic summer sea ice, forests, and coral reefs, with clear benefits for human health and economies. The authors emphasize the need for immediate and transformative actions in the next decade to achieve this goal.
The Pan-Borneo Highway will severely degrade Borneo's last expanses of intact forest, increasing pressures on loggers, poachers, and farmers. The network of highways would isolate Sabah's forests from the rest of Borneo, cutting off endangered species' habitats.
Scientists have made progress in understanding dark matter by studying the interactions between light and gas in intergalactic space. Researchers used simulations and observations of distant quasars to analyze the properties of primordial black holes, which could provide evidence for their role in explaining dark matter.
Researchers at the University of Seville studied the pine forests in the Iberian Peninsula to understand factors that make conservation successful. They found that climate, radiation, and temperature influenced the success of translocation, and recommended planting in winter or spring with proper watering.
Researchers measured VOC concentrations using unmanned aerial vehicles over central Amazonia's plateau and slope forests. Isoprene levels were found to be significantly higher in near-canopy atmosphere over plateau forests compared to slope forests.
A new study by Penn State researcher Marc Abrams suggests that white-tailed deer browsing has not impacted forest canopies, but rather slowed the densification process. Forests are becoming increasingly dense due to a lack of fire and increased deer populations.
A University of Queensland-led study identified factors fuelling Colombian deforestation, including conflict between illegal groups and government forces, as well as proximity to coca plantations and mining concessions. The research highlights the importance of stable governance in retaining forests and reducing deforestation risk.
A study by the USDA Forest Service and Purdue University finds that non-native invasive insects and diseases are reducing the amount of carbon stored in trees across the United States. The study estimates that 41% of live forest biomass is threatened, with certain species like emerald ash borer and gypsy moth causing significant damage.
A new study by the University of Birmingham found that large-scale tree deaths worldwide are responsible for more than a tenth of total tree deaths. The research used satellite observations and computational models to calculate the impact of these events on carbon storage, revealing that they account for 12% of global tree mortality.
Estimates suggest that non-native pests contribute to the death of approximately 5.5 TgC per year, impacting forest carbon budgets and ecosystem services worldwide. Compensatory growth of non-host trees is observed, but most pests have not yet invaded their hosts' full ranges.
A new study by CABI presents guidance on monitoring non-native pests that can pose a serious threat to forest resources. The team recommends considering important factors when monitoring for non-native pests, including the location and timing of sampling, to ensure effective biosecurity measures are taken.
Forest water-use efficiency has been increasing globally, with trees conserving water through elevated CO2 levels. Photosynthesis is the primary driver of this increase, while stomatal conductance reduction is limited to drier forests.
A 38-year study found climate change affects conifer growth, while broad-leaved trees thrive, altering forest composition and ecosystem functions. Climate change accelerates, primeval mixed forests may shift to broad-leaved tree forests, impacting carbon storage, water provision, biodiversity, and wood supply.
Research suggests that forest elephant extinction will lead to an increase in fast-growing tree species, which store less carbon than slow-growing species. This shift will reduce the forest's ability to sequester carbon, releasing more CO2 into the atmosphere.
A new species of flying squirrel from Southwest China, Biswamoyopterus gaoligongensis, has been described. The discovery sheds light on the genus' previously unknown range and highlights the need for further research into its ecology and conservation status.
Dr. Ryan Perroy's solution uses high-resolution cameras and sensors to improve early detection of Rapid 'Ohi'a Death across forests, giving managers precious time to respond to outbreaks. The innovative approach also involves collecting samples from suspect trees using drones for laboratory analysis.
Research by University of Wisconsin-Madison scientists found that irrigated farms in the region lower maximum temperatures by one to three degrees Fahrenheit on average, while increasing minimum temperatures up to four degrees. This cooling effect can significantly impact local climate, plant growth, and human health.
A study published in Nature Geoscience found that California's Sierra Nevada mountain range experienced a catastrophic forest die-off due to depleted deep-soil water. The researchers discovered that years of severe drought and abnormally warm temperatures exceeded the safety margin for trees, leading to widespread tree death.
New research finds that climate change could lead to more frequent and intense spruce beetle outbreaks in the Rocky Mountains. Warmer temperatures could extend the beetle's flight period and make coordinated attacks harder to predict.
Researchers found that coastal, indigenous forests in South Africa store a moderate to large amount of carbon, making them important for conservation. The study also highlights the need to balance forest productivity with local community needs in order to achieve sustainable development.
Researchers argue that policymakers should use disturbance ecology to stabilize forest carbon and account for risks in climate change mitigation policies. This approach aims to balance immediate loss with long-term storage, promoting forest carbon sequestration.
A study from the University of California, Davis found that thinning forests and prescribed burns reduced tree mortality during a severe drought and bark beetle epidemic. The treatment also helped to increase forest resilience by reducing water stress and making trees more resistant to climate change.
A new review article highlights the vulnerability of rural coastlines to sea-level rise, with research showing widespread conversion of upland forests to wetlands. The study emphasizes the need for better understanding of factors influencing land conversion, including human barriers and policy incentives.
A recent study suggests that Native Americans' use of fire to manage vegetation in the Eastern United States had a more profound impact on forest composition than climate change. The researchers found that frequent and widespread human-caused fire resulted in the predominance of fire-adapted tree species, leading to changes in forest c...
Researchers found that re-burned areas experienced significant biomass loss and a six-fold decrease in tree seedling density. The study suggests that future short fire intervals may adversely affect the resilience of subalpine forests, threatening their ability to recover from previous fires.
Researchers from Immanuel Kant Baltic Federal University have discovered a quick and effective method for identifying Gypsy Moth caterpillars' sex. This breakthrough could lead to new ways to control the insect population, allowing forests to thrive once again.
A recent study found that Yellowstone's re-burned forests have a six-fold decline in lodgepole pine tree seedlings and lost significant carbon storage capacity after experiencing two consecutive fires within fewer than 30 years. The researchers estimate it would take over 150 years for the forest to recover its lost carbon.
Researchers mapped over 1.1 million forest sites and 28,000 tree species to understand how symbiotic partnerships structure the world's forests. The study revealed a new biological rule, Read's Rule, which predicts massive changes to the symbiotic state of the world's forests if carbon emissions continue unabated.
Researchers found positive correlations between biodiversity conservation and carbon sequestration in ten of twelve landscapes, indicating a shared benefit. The study suggests that increasing biodiversity can also increase carbon storage, highlighting the interconnectedness of these two goals.
Researchers found that ghost forests supported a different group of bird species than the forests they replaced. Some bird species, like the northern bobwhite quail and woodpeckers, fared well with the changes in vegetation.
A recent study by Michigan State University researchers found that nature reserves close to cities are more effective at preventing deforestation than remote areas. The study evaluated China's protected areas and concluded that these reserves can sequester significant amounts of carbon dioxide, helping to combat global deforestation.
Urban trees exhibit accelerated growth but higher mortality rates than rural counterparts, resulting in a net loss of street-tree carbon storage over time. Strategic planting and maintenance initiatives can help maximize urban greening efforts as a climate-mitigation tool.
Michigan State University researchers have created a potential solution for emerging wearable tech by developing highly stretchable supercapacitors powered by crumpled carbon nanotube forests. The new design has demonstrated solid performance and stability, even under extreme stretching and relaxing cycles.
Research suggests that large protected forest areas are crucial for conserving bird species, while coffee plantations can serve as habitats for migratory birds and young birds. Insectivores suffered the greatest declines, with population losses greater in smaller forest fragments.
Researchers at the University of Córdoba have sequenced the Holm oak transcriptome, providing insights into the tree's reactions to stress and other biological aspects. The study has generated over 34,000 annotated transcriptions, offering a first approximation of the genome and potential for future research projects.
A new study from the University of Illinois at Urbana-Champaign found that counties with more forests and shrublands tend to have lower Medicare costs. The analysis revealed an average Medicare expenditure savings of $4.32 per person per year for each 1 percent of forest cover.
A new residential wood ash program aims to replenish Muskoka's declining calcium levels, essential for forest growth and life. The program could also improve crayfish stock, water quality, and maple syrup production.
A recent study found that groundwater extraction is harming floodplain forests in Europe by reducing tree growth and increasing drought sensitivity. The research suggests that adapting to climate change requires reducing groundwater extraction, not increasing it, to protect these critical ecosystems.
A study by the USDA Forest Service reveals that more nitrogen from rain and snow reaches streams than previously believed, flowing downstream at a faster rate through US and Canadian forests. This unprocessed nitrate bypasses biological filters, contributing to forest decline and growth of nuisance vegetation.
A University of Montana study found that climate change limits tree regeneration following wildfires in low-elevation forests, potentially leading to abrupt forest loss. The research, published in the Proceedings of the National Academy of Sciences, examined post-fire regeneration of ponderosa pine and Douglas fir trees.
A recent study by University of Wyoming researcher Bryan Shuman found connections between Atlantic Ocean changes, centuries-long droughts, and forest transformations over the past 8,000 years. The study's predictability framework helps anticipate future climate-driven weather and ecosystem shifts.
A study found that climate change and wildfires can lead to abrupt loss of low-elevation forests due to reduced tree regeneration after disturbances. Annual climate conditions now cross critical thresholds at most study sites, making it challenging for trees to regenerate.
Research in Ethiopian sacred church forests reveals that human disturbances, such as buildings and clearings, significantly reduce forest density and species richness. Culturally sensitive conservation strategies are recommended to protect these forests, including restorative planting and protection of large trees.
A new study shows tree rings offer a unique perspective on climate change, matching high-tech data over short-term periods. The method reveals strong agreement between trees' own productivity estimates and satellite-derived data.
Researchers found that tree growth is constrained more by climate than competition for resources in harsh conditions, but not under mild conditions. The study provides important insights into how forest growth will respond to changing climate and could inform land management strategies.
A University of Illinois study using machine learning confirms that farmer cooperatives directly benefit both forest health and farmers, unlike state-managed forests. The algorithm evaluated over 200 forest management regions in Kangra, India, covering a 14-year period.
A new approach using environmental big data helps identify effective conservation methods for managing natural capital, including forests and ponds. The study shows that measures to reduce chemicals used by farmers will be particularly effective in protecting freshwater environments in northern Britain.
The study finds that vegetation in the region will shift from predominantly conifer to mixed conifer and hardwood forests, potentially leading to reduced timber availability and changed fresh water supplies. Climate-driven stress may also increase disease and pest susceptibility in these forests.
A new study reveals that climate change could lead to declines of underwater kelp forests, impacting fisheries and potentially affecting food security. The research found that ocean warming and acidification can cause disease-like symptoms in kelp, leading to degradation and photosynthesis impairment.
A new open-access book presents two years of research on how to best tackle climate change, funded by the Leonardo DiCaprio Foundation. The book provides a feasible roadmap for achieving and surpassing the targets set by the Paris Climate Agreement, indicating that goals are achievable with current technology.
Russian scientists discovered that abandoned arable land is immediately overgrown with forest if there are no grass fires, contradicting the previous assumption of a five-year wait period. Grass fires significantly influence vegetation growth and density on former agricultural fields.
Scientists at ZSL urge governments to prioritize the conservation of small mangrove patches despite their size, highlighting the critical ecosystem services they provide. The loss of these habitats threatens critically endangered species and coastal communities, and could exacerbate climate change impacts.
A genomic analysis by University of British Columbia researchers found that northern goshawks on Haida Gwaii have a highly distinct genetic cluster, with only around 50 birds remaining. The study adds context to conservation efforts and highlights the need to protect this vulnerable population.
A study of 2,800 hectares of mixed-conifer forest found that increasing tree density due to fire suppression leads to increased drought stress and reduced resilience to wildfires. Rising carbon dioxide levels exacerbate this effect, suggesting that denser forests will be more vulnerable to drought in the future.
A West Virginia University researcher suggests that forests are experiencing declining health due to climate change, leading to unbalanced growth and increased risk of disease. To restore a balanced diet, researchers recommend severely cutting back or ending fossil fuel use.