Articles tagged with Forests
A study published in Perspectives in Ecology and Conservation proposes a novel methodology for projecting native tree growth and optimizing timber production in forest restoration. This approach reduces the time to harvest by 25% and increases stand density by 38%, making large-scale forest restoration more attractive to landowners.
A new analysis reveals a pronounced regional imbalance in forest productivity, with the Western U.S. experiencing a notable slowdown and the Eastern U.S. seeing slightly accelerated growth. This study highlights the urgent need for reduced global greenhouse gas emissions to restore the global carbon balance.
Scientists have identified two fungi, Beauveria pseudobassiana and Metarhizium brunneum, with high insecticidal activity against the Eucalyptus snout beetle. These naturally occurring pathogenic fungi could be used to develop a bio-pesticide for controlling the beetle in forest plantations.
A Washington State University study found that living near nature can reduce serious psychological distress and improve general health in older adults. Researchers analyzed data from over 42,000 people aged 65 and older, finding a strong association between access to green spaces and better mental and physical health outcomes.
A recent study by Leibniz-IZW and Philipps-Universität Marburg found that forest bats reduce their activity by 77% within a radius of 80-450 meters around operational wind turbines. The researchers suggest noise emission from turbine rotors is the primary cause of this avoidance behavior.
A recent study found that climate warming is altering carbon flow and food web dynamics in Arctic tundra and boreal forest ecosystems, with fungi replacing plants as the main energy source for animals. This shift has significant implications for ecosystem function and animal responses to climate change.
A team of international scientists found that Southeast Asian forests resisted 'savannisation' during the Last Glacial Maximum, maintaining a mosaic of diverse closed and open forest types. Maintaining forest diversity is key to preventing future 'savannisation' and protecting tropical rainforests in regions like South East Asia.
University of Bonn researchers analyzed satellite data to find that national policies have a significant impact on forest coverage. Strict policies and their effective implementation are critical to achieving positive changes in tree populations along country borders.
Researchers found that ponderosa pine trees suffer from warming, contradicting the space-for-time substitution method. Climate change is happening faster than trees can adapt, putting them at risk of extinction.
Researchers have identified over 2.4 million hectares of land as critical stopover hotspots for migratory songbirds in the eastern United States, primarily consisting of deciduous forests. Protecting these sites is essential to safeguarding bird populations, which have plummeted by a quarter since 1970 due to habitat loss and climate c...
A new study by researchers at Leipzig University and TROPOS found that biodiversity influences the emission of plant odours, which form aerosols in the atmosphere. The team measured BVOCs and BSOA compounds in plots with different tree species and found that species-rich forests emit less of these gases than monocultures.
The EU-funded ForestPaths project gathered stakeholders to discuss forest-based policymaking and climate change mitigation. Key findings include a desire for sustainable forestry products, long-term forest considerations, and practical guidance for forest managers.
Researchers found that Ukrainian-controlled territories gained forest area despite military conflict, while Russian-controlled territories experienced significant forest loss. The study highlights the impact of modern warfare on environmental sustainability and conservation in Ukraine's Emerald Network.
Research finds national parks and protected areas in Thailand are more prone to forest fires when located far from indigenous communities. Collaborative work with local communities reduces forest fires and air pollution, highlighting the importance of indigenous practices.
Researchers enhanced the Allometric Scaling and Resource Limitations (ASRL) model to predict tree canopy height in beech-maple-birch forests. The modified model factors in known growth limitations and local meteorological datasets, achieving more realistic predictions compared to previous versions.
A study by the University of California, Davis, found that North American mammals consistently depend on forests and avoid cities, farms, and other human-dominated areas in hotter climes. This suggests that preserving forest cover will be increasingly important for wildlife conservation as the climate warms.
Forest microclimates are weakened by soil droughts, leading to hotter temperatures in forest understories. This can have devastating effects on small tree seedlings and forest biodiversity as a whole.
Researchers analyzed satellite data on medium-sized and large wildfires in Utah from 1984 to 2022, finding that medium-sized fires had significant impacts despite smaller size. The study suggests that looking at these 'hidden' fires can help inform decisions on prescribed burns and predict future fire behavior
Researchers develop a mathematical model that analyzes the future survival of plants in a changing climate by studying how far wind can carry seeds. The model provides fast and reliable predictions of seed movement, considering factors like seed type, plant height, and wind speed.
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.
Researchers found that coast redwood's massive carbon reserves fueled growth of new leaves after a catastrophic fire, allowing the forest to begin regenerating. However, many trees did not survive, and it may take centuries for the ecosystem to fully recover.
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.
A recent study estimates that healthy forests could absorb up to 328 billion tons of carbon, with a significant portion of this potential achievable through sustainable forest management. By protecting existing forests and reconnecting fragmented landscapes, we can sequester an additional 139 Gt of carbon.
Research suggests that diverse forests can capture approximately 226 Gigatonnes of carbon, but this potential can be achieved by incentivizing community-driven efforts to promote biodiversity. Restoration efforts should include natural diversity of species and sustainable practices.
Researchers at Stanford and Columbia universities found that low-intensity fires can dramatically reduce the risk of devastating wildfires for years at a time. By analyzing satellite data from over 100,000 square kilometers of California forests, the team showed that controlled burning can significantly decrease the risk of high-intens...
A new European forest damage database has been created to harmonize records of disturbances caused by insects and diseases. The database contains over 650,000 records mapping insect and disease occurrences in European forests from 1963 to 2021.
Researchers at Nagoya University found that field mice store and transport seeds from once-in-a-century flowering sasa bamboo plants, spreading them throughout the forest. The study reveals that mouse body size affects seed caching behavior, with larger mice carrying seeds to safer locations.
Researchers studied how 4-year-old tree species respond to extended drought and heat, finding that different species have varying levels of drought tolerance. The study's findings can help shape forest management policy and understand future landscape changes.
A new AI-driven mapping study from the University of Copenhagen has discovered a billion tons of hidden biomass in Europe, including trees outside forested areas. The research found that countries like Denmark, Netherlands, and UK have significant tree cover outside forests, which can impact biodiversity and climate models.
Researchers at West Virginia University are studying the effects of acid rain on forests and watersheds, a project involving middle school students. The team aims to understand how ecosystems respond to chronic changes in environmental conditions, including the recovery phase after acid rain stops falling.
Researchers analyzed over 150,000 bird nests across the U.S. and found that extreme heat diminishes reproductive success in agricultural landscapes, but forests provide shade to increase nesting success. Curtailing emissions and promoting thermal refuges are crucial for conserving birds.
A recent study reveals 15%-18% of the Brazilian Amazon is at high risk of ecological disruption by 2050. The regions, often near 'deforestation arc', exhibit low research frequencies and are threatened by climate change.
Uncontrolled wildfires are threatening environmental progress in Brazilian Amazonia, a critical carbon sink. Deforestation rates have fallen, but fire counts remain high, driven by hotter and drier climate conditions.
A new species of gecko, Paroedura manongavato, has been discovered in Anja Reserve and Tsaranoro in south-central Madagascar. The species is found only in these two isolated forest patches and is considered Critically Endangered due to its narrow distribution range.
A recent study reveals that emerging infectious diseases are accumulating rapidly globally, particularly in Holarctic trees. The 'big data' approach used in the study characterizes the growing threat posed by emergent infectious diseases, with some tree species, such as pines and oaks, showing high new disease accumulation.
Researchers mapped annual changes in global forest biomass between 2010 and 2019, finding that boreal and temperate forests are the largest carbon sinks. Carbon stocks increased by 500 million tonnes per year, primarily due to young trees in these forests.
Researchers say current models fail to project oxygen dynamics in coastal ecosystems with high photosynthetic activity, such as seagrass meadows and coral reefs. Fluctuations in oxygen levels have been observed in systems like the Venice Lagoon and Red Sea coral reefs, where marine species adapt to changing conditions.
Researchers have identified that ancient quakes occurred in shallow faults on the Puget Lowlands in western Washington, which could lead to another devastating event. The study used tree rings to pinpoint the dates of these quakes and found a link between them, suggesting regional hazard models may need to be updated.
Researchers studying arboreal ants in a Florida forest explore how resource availability and competition shape biodiversity. The study found that both resource availability and competition among species are important for maintaining biodiverse communities, with the relative importance of these processes dependent on scale.
A new study in Science Advances uses pollen data to tell a compelling story of early human migration across Europe and Asia. The research suggests that warming temperatures supported forests that expanded into Siberia, facilitating human migration there around the same time as other regions.
New research finds that pied tamarins increase scent marking in response to urban noise pollution, which affects their vocal communication. This adaptation may help them cope with the impact of human activity on their habitat.
A new study found that creating physical gaps in the forest canopy improves the health and growth of eastern hemlocks infested with the woolly adelgid, a highly invasive insect. By giving the trees better access to resources like water and nutrients, canopy gaps may help them 'outgrow' the insect's impact, at least temporarily.
A recent study published in Journal of Ecology reveals how natural regeneration develops in protected European forests. The researchers found that positive interactions between trees are rare and dependent on tree species and environmental factors.
A new study sheds light on US forest carbon offset projects, revealing that most credits are issued for improved forest management practices rather than planting trees or protecting forests. Researchers also found that 26% of projects are in areas of moderate wildfire hazard, posing a risk to the stored carbon.
A new study suggests that substituting 50% of meat and dairy products with plant-based alternatives by 2050 can reduce greenhouse gas emissions from agriculture by 31%, save forests, and improve nutrition for millions of people. The study also found that restoring land spared from livestock production could contribute up to 25% of glob...
A collaborative effort between ecologists and art historians has demonstrated that historical artwork can reveal valuable information about forests and landscapes from eras prior to modern scientific investigation. The study, published in Ecosphere, examines the use of 19th-century landscape paintings to advance environmental science.
Climate change is altering Italian mountain forests, with trees potentially shifting uphill and species disappearing. The study found that some species, like the European larch and Turkey oak, may thrive in a warmer future, while others, such as the silver fir and European beech, are at risk.
A new study identifies locations where proactive forest management can reduce carbon loss and protect communities from wildfires in the Western United States. Proactive forest management techniques like thinning, prescribed fire, and cultural burning can help keep carbon in forests and reduce wildfire risk.
Researchers from Michigan State University identify opportunities for win-win situations in land use, exploring the potential of legal reserves to balance agriculture with forest conservation. The study suggests an ecosystem restoration market could economically benefit regions with lower food production potential.
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.
Climate impacts like dry summers causing tree growth reduction and increased mortality in the Black Forest. The study found a peak in tree mortality in 2019, with mortality rates exceeding 40% of sustainable annual growth.
A global study reveals that proximity to human activity and native biodiversity are crucial factors in determining the likelihood and severity of non-native tree invasions. Native species help buffer the intensity of these invasions by filling available niches, making it harder for non-native trees to spread.
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 study finds that US property values exposed to wildfires and tree mortality will increase sharply in future climate scenarios, particularly in the western US. Aggressive climate action can substantially reduce exposure, with the value of exposed property topping out at $11 billion under mitigation scenarios.
A Washington State University-led study found that dry lightning can cause wildfires despite up to 7.7 mm of precipitation, posing a risk for responders to detect fires earlier. The research analyzed data on over 4,600 naturally caused fires and found holdover fires, which can smolder for days before exploding into full-blown wildfires.
New research found that plant water use efficiency has stalled since 2001 due to climate change, contradicting earlier hopes it would help improve water consumption. The study's findings suggest that rising temperatures and atmospheric CO2 may be undermining nature-based methods to achieve carbon neutrality.
Restoration of longleaf pine woodlands enhances stream flow while conserving an endangered ecosystem, addressing two pressing conservation issues. This approach promotes 17% more streamflow on average and 92% higher streamflow during droughts.
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.
Researchers at the University of Copenhagen used a new method to collect airborne DNA particles and found evidence of 64 different animal species in a single football field-sized area. The findings suggest that this technique could be a valuable tool for monitoring biodiversity and tracking the spread of diseases.
A research team from Hokkaido University has found an exceptionally preserved fossil forest of Wataria parvipora, which was predominantly accompanied by Byttneriophyllum leaves. The discovery helps reconstruct a whole Eurasian plant from the late Miocene epoch and sheds light on the taxonomic identity of plants.