Articles tagged with Forestry
A new report by a team of experts outlines an approach that combines Indigenous knowledge with Western science to develop more resilient forest management practices. The 'braided' approach aims to promote the health and diversity of forests, which are increasingly threatened by climate change.
A study in São Paulo's central area found that poor wood condition, sidewalk root constriction, and drastic pruning are major predictors of urban tree failure. The researchers propose guidelines for stakeholders to reduce the number of failures, which average 2,000 per year.
Researchers found that compact lignin nanoparticles with specific chemical structures and particle sizes boost the UV resistance of sunscreens, making them more effective than traditional formulations. The study suggests that lignin nanoparticles can be used as natural-based materials for improving sun protection in cosmetic applications.
Researchers from Shibaura Institute of Technology develop new methodology to accurately simulate soil behavior in rigid state, leveraging MSP method and Bingham fluid biviscosity model. The study highlights the impact of parameters on simulation accuracy and computational costs.
A new study reveals that ringtails prefer tree cavities in mature and older forests, rather than oak woodlands. Researchers found that the presence of fishers did not influence where ringtails chose to rest, providing important guidance for forest managers seeking to conserve these trees.
Historical spy-satellite photographs provide insights into past ecosystem changes, species populations, and human influences on the environment. The study's findings can aid conservation planning and ecosystem restoration efforts by mapping historical ecological baselines.
Researchers developed an unmanned forestry machine that can safely pick up logs using computer vision, autonomous navigation, and manipulator control algorithms. The machine reduces labor costs while minimizing environmental impact, promoting sustainable forestry.
Research by INRAE reveals that European forests with greater tree species diversity and slow-growing oak trees are better equipped to withstand storm damage. The study's findings suggest that monocultures of fast-growing pine trees are more susceptible to storm damage.
Researchers found that evergreen trees with smaller leaves, particularly those with awl-shaped leaves like Yew and Japanese cedar, were most effective at catching particles of pollution. In contrast, the study showed that the size and shape of the leaf, rather than its roughness or hairiness, was key to removing pollutants.
Research from the University of Surrey found that older tree plantations tend to be more biodiverse than younger ones. However, even the oldest plantations cannot match the natural diversity of original habitats. The study aims to promote responsible tree planting practices that prioritize biodiversity conservation.
A new study reveals that trees growing in wetter regions are more sensitive to drought, with up to 50% of species' ranges expected to become drier by 2100. Climate change models predict these areas will experience rapid drying, exposing trees to conditions beyond their adaptive capacity.
Research by The Jones Center at Ichauway found that hurricanes increase cone production in longleaf pine by 31% and 71% two years after the event, suggesting a possible explanation for the masting phenomenon. This discovery sheds light on the role of weather conditions in triggering seed germination.
Recent US legislation aims to increase fire management and tree planting to reduce large destructive fires and promote carbon sequestration. Fuel reduction activities are projected to remove 194-288 million metric tons of carbon from western forests over the next decade.
The study found significant variation in maximum allowable GVW limits for timber trucking across countries, with Japan having the strictest limits. Road transport accounted for 89% of total industrial roundwood moved over long distances, and average transportation costs ranged from 4-24 euros per tonne. The results highlight the need f...
New research reveals that secondary forests in the Amazon cover over 190,000 km² but connect more than 2 million isolated fragments of old-growth forest, crucial for biodiversity conservation. These forests also act as a buffer zone, shielding old-growth edges from negative effects like hotter temperatures and wind.
A new study found that wildfires and drought have led to a 10% reduction in the value of private timberland in three Pacific states over the past two decades. Climate change is attributed as the primary cause of this damage, with large wildfires causing an additional 8.7% loss.
Scientists have unlocked the genetic basis underlying the remarkable variation in body size observed in song sparrows, one of North America's most familiar and beloved songbirds. The study found eight genetic variants associated with body mass, largely responsible for the nearly threefold difference in body size across the species' range.
A team of experts identified 15 over-looked issues that could impact UK forests, including catastrophic ecosystem collapse, competition for water resources, and tree viral diseases. The research calls for urgent action to increase forest resilience.
Researchers find that halting deforestation and restoring native vegetation are critical for Brazil to achieve its 2050 net zero goal. The study suggests that nature-based solutions can mitigate nearly 80% of Brazil's net zero pledge and reduce carbon emissions by 781 million tons per year.
A new study using satellite imagery found that fires in boreal forests shift from coniferous to deciduous trees, but these changes are reversible over time. The study's findings suggest that continued climate warming and increased wildfire activity could lead to pronounced changes in forest composition.
Researchers found a 70% reduction in wild pig populations and a corresponding decline in environmental rooting damage within 24 months of control efforts. The study suggests that management efforts exceeding 40-60% population removal per year can significantly reduce populations, but unknown is the rate of recovery if efforts cease.
Researchers found that huckleberry patches and forestry road density significantly affect grizzly bears' mortality risk. Securing critical food resources through reduced human access near roads is crucial for bear conservation.
The Morton Arboretum will receive $15 million in federal funding to expand and improve tree canopy in disadvantaged communities. The Chicago Region Trees Initiative will award sub-grants to support equitable access to trees and bolster resilience to climate change.
A new UBC study used a local restorative nature index to assess the healing qualities of green space, finding that areas with the greatest need for restorative nature often have the least exposure to it. The study suggests that urban planners prioritize areas with high socioeconomic vulnerability and limited access to green spaces.
A team of researchers from UC Davis has developed a tool that can predict which forests are likely to survive or die after a drought. By analyzing changes in precipitation, soil moisture, and temperature, the tool links these factors to tree growth and carbon reserves.
A new modeling tool called REBURN can simulate large forest landscapes and wildfire dynamics under different management strategies. The tool shows that setting prescribed burns and allowing smaller wildfires to burn can yield more varied and resilient forests over time.
A new UBC study finds that clearcut logging leads to a significant increase in flood frequency and size, particularly in larger watersheds. The researchers used a novel method to isolate the effects of logging from climate background factors.
A new study from Lund University found that secondary forests in Sweden were more affected by the 2018 drought than primary forests. The research team analyzed satellite images and vegetation indexes to compare the impact of drought on both forest types.
Researchers discovered a key transcription factor mediating abiotic stress tolerance in conifers. The study found that the NAC transcription factor PtNAC3 is induced by various stresses and enhances unified abiotic stress tolerance without growth penalty.
A study by the University of Illinois examines how family forest landowners in Maine and New Hampshire approach invasive species management. The researchers found that landowners prefer mechanical control methods, which are more expensive but less effective than chemical control, due to strong neighborhood effects. This has implication...
A new study analyzed existing research on bee-protective measures and found that many common methods are backed by minimal scientific evidence. Researchers urge stronger testing to evaluate effective measures and warn of potential waste of time if ineffective.
Research suggests that Queensland's low-intensity forestry management techniques can restore wildlife habitat, promote floristic diversity, and improve the resilience of large trees against climate change. The study emphasizes that sustainably managing forests is crucial to maximizing global biodiversity and climate goals.
Researchers created a model to forecast eucalyptus leaf health based on temperature data, explaining over 80% of observed damage. This approach has the potential to identify suitable planting regions worldwide.
A new detection tool utilizing DNA-specific primers can identify the nematode species causing beech leaf disease in plant tissue, allowing for rapid and accurate monitoring of the disease. This breakthrough enables forest health professionals to track the spread of the disease more effectively and develop control measures.
Adding Amazonian dark earth to soils increases plant growth by 3-8 times compared to control soil. The nutrient-rich soil also supports a greater biodiversity of beneficial bacteria and archaea, which transform chemical particles into nutrients. This 'secret weapon' could help speed up forest restoration projects worldwide.
A new study has found that increasing woodland cover in UK uplands will not deter tourists from visiting. The research, conducted by Aarhus University, involved over 500 tourists and showed that most would still visit even with 75% or 100% forest cover. However, the majority preferred a view from the mountain top.
A study found that establishing fallow land can increase the populations of farmland birds and improve biodiversity. The benefits depend on landscape complexity, particularly in regions with a moderate density of boundary lines between fields and woody structures.
A study found that savanna species in Cerrado biome produce significantly more bark than forest species to protect against frequent fires. This adaptation enables them to survive and regenerate after burning, highlighting the importance of controlled fire management in these ecosystems.
Research reveals eastern wolves are genetically distinct from grey wolves and coyotes, suggesting a separate evolutionary origin around 67,000 years ago. The study also indicates hybridization between coyotes and eastern wolves has occurred at least twice, in the Great Lakes region.
Native bees in Oregon's Coast Range are diverse and abundant in clearcut areas within years of timber harvest, but numbers drop sharply as the forest canopy closes. Management practices that promote open conditions can enhance floral resources and promote bee diversity.
Researchers found that 89% of Dominica's trees sustained damage from Hurricane Maria, but only 10% were immediately killed. The study suggests that forests in hurricane-prone regions can resist extreme weather events due to their adapted structure and composition.
A new study predicts US forests may lose significant carbon storage due to climate change, compromising their role as a climate solution. The researchers used multi-perspective modeling approaches to forecast changes in aboveground carbon storage in different regions.
A new study by Linköping University reveals that climate change alters natural greenhouse gas fluxes from streams and lakes, making landscape carbon sinks less effective. The researchers found that increased precipitation and temperature affect the amount of carbon washed into streams and lakes, leading to greater emissions.
A recent study led by Boston University researchers found that payments designed to motivate eco-friendly behavior often don't reconcile the tension between agricultural production and the planet's health. However, including more women in decision-making boosted cooperation between farmers on environmental issues and increased output.
Warmer and drier climate conditions are making it less likely for trees to regenerate after wildfires, according to new research published in PNAS. Ecological forest management can partially offset climate-driven declines in tree regeneration by limiting fire-caused tree death, but only if action is taken quickly.
A study by Dr. Maria M. Georgi and colleagues found that mulching times of forest meadows have a negative impact on both insect larvae and flower-visiting insects. Mulching in September was shown to protect the latter, while mulching in June had a negative effect.
Research reveals that Mahogany trees shape the right-forewing of the Mahogany shoot borer, a forest insect-pest. The study found that the wing form differs between males and females, with larger wings on Cedro host plants.
A Stanford-led study estimates that about 20% of all Sierra Nevada conifer forests are mismatched with the climate around them. This means they are temporarily surviving in habitats that have grown too warm for them, but are likely to be replaced by tree species better adapted to the climate after catastrophic wildfires.
A study by the University of Göttingen found that arranging rows of trees at right angles to semi-natural habitats increases pollination performance and nut production. The design also promotes easy movement of bees through the plantation.
A recent study at Baskett Forest found that forests reach an ecosystem wilting point between 2-4 weeks of extreme drought, requiring soaking rainfall to rejuvenate. This concept explains how whole forests respond to drought and is essential for understanding their dynamics under climate change.
Researchers found no strong evidence that underground fungal networks, known as common mycorrhizal networks (CMNs), offer benefits to trees and their seedlings. While CMNs exist, there is limited understanding of their structure and function in the field, leading to questionable claims about resource transfer and seedling survival.
Purdue University has been awarded a $10 million grant from the USDA to improve forest management in the Eastern US. The project, called PERSEUS, aims to provide digital tools and precision management to enhance forest health and promote sustainable forestry practices.
Researchers from University of Jyväskylä found that forest management has a stronger effect on the supply of ecosystem services than climate change. The study suggests that forest management planning should account for biogeographic diversity, and climate change mitigation measures are particularly suited for northern Finland.
Climate change may lead to significant declines in US forest inventories, particularly in the South, resulting in reduced timber production and increased costs. The study projects losses of up to 23% by 2100, with potential gains in some regions driven by climate-adaptive species.
A new study found that Indigenous communities with formal tenure rights in Brazil's Atlantic Forest reduced deforestation and improved forest cover, outperforming territories without such rights. Strengthening self-determination rights of Indigenous peoples has been shown to be crucial for forest conservation efforts globally.
A recent study reveals that high-severity wildfires are increasing in Sierra Nevada and Southern Cascade forests, with the average annual area burned at high severity nearly quintupled since before Euro-American settlement. This trend is concerning as most affected forest types are adapted to low-to-moderate severity burning.
Researchers at University of Copenhagen developed a method to map individual trees' carbon content using aerial images, improving accuracy and enabling better comparisons between countries. The method supports Rwanda in verifying commitments under schemes like REDD+ and AFR 100.
Researchers at Nagoya University discovered that when Ceratocystis ficicola and Fusarium kuroshium fungi are combined, fig saplings experience rapid wilting. The two fungi work together to cause more damage than either one alone, highlighting the importance of considering co-occurring microorganisms in disease control strategies.
Researchers analyzed over 4,500 documents to understand fungal dispersal across spatial scales. They identified four scales of movement, from microscopic to landscape, and found that climate change affects where fungi reside. More data is needed to understand the biodiversity of fungi and their movement in ecosystems.
A recent study by the Alliance of Bioversity International and CIAT found that global deforestation proceeded as expected during the COVID-19 pandemic, despite lockdowns. Deforestation rates likely remained unchanged due to persistent dynamics driving forest loss before the pandemic.