Articles tagged with Forestry
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The world's boreal forests are under pressure from global warming, with rising temperatures and changing conditions threatening their resilience and productivity. The forests play a crucial role in the Earth's climate system, but may switch from being carbon sinks to sources of greenhouse gas emissions if not managed adaptively.
The USDA Forest Service's online Waterviz tool will be strengthened by a National Science Foundation (NSF) grant, enabling it to reach more students and educators. The tool, which combines environmental sensors, music, and digital art, aims to increase understanding of science and data literacy.
The Suomi NPP satellite captured a stunning night-time image of the Jerusalem Fire in California, revealing its massive size and location. The fire has covered over 12,000 acres and is being managed by Cal Fire.
Researchers from the University of Guam's Western Pacific Tropical Research Center found that three native tree species require contrasting levels of light for optimal growth, contrary to their co-occurring forest habitats.
A recent study found that installing functional doors and windows in abandoned buildings can lead to a significant decrease in crime rates. Over a 2-year period, the study revealed an estimated 8 fewer assaults, 10 fewer gun assaults, and 5 fewer nuisance crimes in areas with improved building facades.
UGA researchers analyzed growth data from thousands of pine tree plots across the Southeast and found that 'southern pine decline' isn't happening on a large scale. The study suggests standard management practices are working just fine, with environmental factors like site conditions, drought, and climate change affecting tree health.
A US forest service research team has released bats treated for White-nose Syndrome (WNS), a deadly fungus that has killed an estimated 5-6 million bats. The treatment, developed with native soil bacteria, showed promising results in field trials and could potentially reduce mortality of bats affected by the disease.
A team led by Montana State University ecologist Jia Hu will investigate the movement of nitrogen through a western Montana forest to provide baseline information on nitrogen availability and forest productivity. The goal is to help forest managers make informed decisions leading to healthier forests across the West.
A study analyzing 308 bird species found that many birds switch between federal land managers throughout the year, highlighting the need for cooperation in conservation. The research used crowdsourced checklists and mapping to identify key habitats and inform land management priorities.
Researchers combined traditional ecological knowledge and scientific methods to identify forest conditions preferred by beargrass harvesters. Key findings include differences in coarse woody debris, tree density, and beargrass leaf color between 'good' and 'poor' sites.
Researchers studied the 2013 Rim Fire in Yosemite National Park and found that extreme weather conditions, such as pyro-convective plumes, significantly influenced burn severity. Forests that experienced recent fires burned at low severity, while those with greater shrub cover burned at higher severity.
Researchers at the University of Missouri estimated that salamander populations are 2-4 times higher than previously thought, and may be up to 10 times higher in some regions. This finding could help drive conservation efforts and forest management by acknowledging salamanders as a key food source.
The US Forest Service advocates for a holistic approach to managing wildfires, considering both ecological and human dimensions. Strategies include adopting land use regulations, developing locally appropriate vegetation management strategies, and improving evacuation planning and household plans.
New research suggests that maple syrup production is linked to mast seeding events, where trees produce more seeds than usual. Following every mast seed year, syrup production declined in Vermont. The study's findings could help producers plan ahead for the upcoming season.
A study comparing the Wolong Nature Reserve in China and Chitwan National Park in Nepal highlights the importance of considering human dynamics in conservation efforts. By understanding how people and wildlife interact, scientists can develop more effective policies for protecting endangered species like tigers and pandas.
The Rim Fire study examines the impact of drought and fire suppression on large fires, contrasting with a nearby National Park's natural fire regime. This natural experiment provides insights into the effects of megafires on watersheds under different management regimes.
The Mills Canyon fire started on July 8, 2014, near Entiat, Washington, and quickly spread to over 1,000 acres despite local efforts. The fire has since grown to 18,065 acres, with challenges including steep rocky terrain and warm weather conditions.
Researchers at Neiker-Tecnalia and SCION have successfully developed a somatic embryogenesis system to propagate pine hybrids that can withstand water stress. This method enables the rapid production of high-quality trees with improved tolerance to drought conditions, making them ideal for reforestation in dry climates.
Conservative fuel treatments reduced fire severity equally as intensive treatments in protecting homes during the 2011 Wallow Fire. The study suggests multiple paths to fuel treatment design around the WUI, with varying distances to reduction in fire severity depending on treatment intensity.
The Funny River fire in Alaska has reached 7,000 acres and is spreading along the shore, with no evacuations reported. Crews are working to contain the fire, which is being fueled by low humidity.
A study shows that strains from Southern Europe can grow better in Northern Europe than established local varieties due to rapid climate change. This suggests that the adaptive optimum has moved quickly, with southern imports performing better across different locations.
A study by University of Pittsburgh researcher Susan Kalisz found that high deer densities are the primary reason for garlic mustard's takeover in native plant species, such as trillium. By excluding deer, native plants can repel invaders and increase their populations.
Researchers at the University of Cincinnati are developing unique approaches to drone autopilot systems, enabling them to track missing persons, navigate through smoke during wildfires, and deliver packages. The technology has the potential to save lives and provide significant time- and cost-efficiencies for first responders.
A new study by Wildlife Conservation Society reveals that protecting Fiji's forests near the sea is crucial for preserving coral reefs. The study found that terrestrial protected areas benefit both land and coastal ecosystems, highlighting the importance of integrated planning.
Native forests have been found to recolonize pine plantations without human intervention, thanks to the natural process of ecological succession. This research suggests that pine plantations can be used as a tool for encouraging native forest development in certain areas, particularly when the plantations are older.
A new study by Neil Carter found that when Nepalese villagers are given control over local land management decisions, it benefits both people and tigers. The researchers showed that tigers prefer grasslands near water, which flow into nearby forests or grassy cover.
Researchers found that Chitwan National Park's buffer zone has improved tiger habitat quality through innovative monitoring methods, while the park itself has degraded over a 20-year period. Camera traps combined with satellite images provided insights into tigers' behavior and habitat preferences.
The Rim Fire continues to burn in northeastern California, affecting over 224 square miles of land. The fire's size and spread are hampered by inaccessible terrain and extreme weather conditions, making containment efforts challenging.
Researchers studied the effects of winter processes on soil in seasonally frozen soils, finding that freeze-thaw cycles can impact agricultural productivity. The studies also shed light on the importance of understanding these processes for effective management practices.
The article explores the use of prescribed burning in various regions, including the US, Australia, South America, and southern Europe, to manage fire-prone landscapes. It highlights successful traditional practices, such as the Maya milpa in South America, which create spaces for different crops while sustaining wildlife and soil fert...
Scientists from NASA and other agencies use satellite observation and computer modeling to predict wildfire activity in the American West. The data helps guide firefighting resources and prevention efforts, with over 2.5 million acres burned this year.
In July 2013, Oregon's severe drought and thunderstorms ignited dozens of difficult-to-control wildfires. The fires burned nearly 144,688 acres across the state, with smoke posing health risks to residents. Firefighters battled the blazes, including the Douglas Complex and Big Windy Complex, which collectively burned over 50,000 acres.
A recent study offers a tool to identify regions exposed to multiple forest threats, including wildfires, urban development, and insects and disease. The tool uses a novel analysis technique to highlight locations where threats are more concentrated.
Researchers develop activated biocarbon to adsorb naphthenic acids, preventing methane gas release. The technology has the potential to significantly reduce greenhouse gas emissions from the oilsands industry.
A new analysis by the USDA Forest Service emphasizes managing forests as consumers of water, reducing risk of water stress. This shift in thinking helps maintain resilience and health in a changing climate.
Scientists have successfully sequenced the genome of white spruce, a crucial step towards developing innovative tools for tree breeding. The massive genome assembly will contribute to reducing breeding cycles from 25 years to just five years, enhancing the competitiveness of Canada's and Scandinavian forest industries.
Researchers have developed maps that predict climatically suitable habitats for tree species based on climate predictions. The study found that populations of wide-ranging tree species lag behind their optimal growing environment due to changing temperature and precipitation conditions.
The study estimates that annual net carbon uptake by these trees is 21 million tons and $1.5 billion in economic benefit. Urbanization has led to declining urban tree cover nationwide, with approximately 4 million trees lost annually.
A new study across 24 states found two-thirds of forest inventory plots contain at least one non-native plant species. Non-native, or introduced, plants can become invasive and displace native species, degrading habitats and altering ecosystem functions.
Researchers found that federal agencies are more effective at preserving archaeological sites in the Grand Canyon National Park than in the adjacent Kaibab National Forest. The study highlights the need for better protection and preservation efforts in vulnerable landscapes due to differing policies and limited resources.
Researchers analyzed decades-long data from 22 streams in 7 experimental forests across the US, highlighting regional patterns of change in stream nitrogen concentrations. The study's findings underscore the importance of long-term monitoring in informing best management practices for protecting water resources.
A new study highlights the need for increased culls to control the UK's growing deer population. The research found that current management efforts are insufficient to stop populations from spreading out of control, threatening biodiversity and causing damage to crops and road traffic accidents.
Researchers from Basque Country describe two new species of Hydnum mushroom, Hydnum ovoideisporum and Hydnum vesterholtii, with distinct ovoid spores and ecological characteristics. The study confirms high genetic diversity among the genus, shedding light on their distribution and ecology.
Researchers have documented two new species of Hydnum, commonly known as ox tongue mushrooms, in the Iberian Peninsula. The discovery sheds light on the high genetic diversity of the Hydnum genus, which has been understudied due to its edible properties.
Climate change affects Alaskan forests with potential shifts to broadleaf forest or grasslands, but plastic greenhouse farming conserves water and binds carbon. Urban renewal and watershed restoration projects in Baltimore demonstrate social cohesion and improved storm-water management.
A new study by researchers from the University of Gothenburg and Swedish University of Agricultural Sciences found that mixed forests provide positive relationships to six different ecosystem services. The study suggests that promoting more varieties of trees may increase these services, including tree growth, carbon sequestration, and...
The completed genome sequencing of DBM provides insights into insect adaptation to host plants and opens new ways for more sustainable pest management. The study identified gene families involved in detoxification, including ABC transporters, P450 monooxygenases, glutathione S-transferases, and carboxylesterase.
The Landsat Data Continuity Mission will extend over 40 years of global land observations, critical in energy and water management, forest monitoring, and disaster recovery. The mission's instruments, including Operational Land Imager and Thermal Infrared Sensor, promise improved data quality and quantity.
Research published in Nature Climate Change finds that outdated UN climate negotiation structures hinder progress, particularly for poor countries. The study recommends capping delegation numbers to ensure broad representation and improve decision-making.
A new study suggests climate change is causing significant stress to western rangelands, leading to ecosystem degradation and loss of biodiversity. The researchers recommend reducing or eliminating livestock from public lands to mitigate these effects and restore affected ecosystems.
A new UGA study finds that national recession affects travel to national parks, with decreases in visitation since 1998. Despite this, some parks experience notable increases due to international recognition.
The study of the button mushroom's genome has revealed its ability to adapt to humus-rich environments, suggesting a higher capacity for metabolizing complex mixtures of lignin derivatives. This adaptation could have significant implications for forest carbon management and soil health.
Michigan State University is providing a $1.5 million grant to help India develop online tools for carbon monitoring and measurement. The project aims to enhance the country's forest management and reduce greenhouse gas emissions.
The study investigates the effects of Mikania micrantha on agriculture and human communities in Chitwan National Park. Researchers aim to understand the social and ecological forces that make communities more resistant or vulnerable to rapid environmental change.
A study found that natural regeneration accounts for two-thirds of urban trees, but newly established young trees are less likely to be planted, with rates ranging from 1 in 12 to 1 in 20. The proportion of naturally regenerated trees is higher in grassland or desert regions and decreases in forested areas.
Researchers trained detection dogs to locate northern spotted owl pellets and feces, achieving a 87% detection probability compared to 59% for vocalization surveys. The cost-effective approach has potential as a complementary method for spotting owls in forests invaded by barred owls.
The US Forest Service study found that New Hampshire has the highest percent tree cover (89%) and Connecticut has the highest urban tree cover (67%). Urban forestry is essential for sustaining urban forests, which provide environmental benefits such as air pollution reduction and heat island mitigation.
A study by the USDA Forest Service Southern Research Station found that Georgia's forest land area remained stable over the past 50 years, while timber inventory more than doubled. The majority of commercial timberland is privately owned, with individual or family forests making up a significant portion.
Researchers found that acorns inside leaf litter or soil are protected from fire, while those on top of the litter are vulnerable to low-intensity surface fires. The study suggests optimal timing and conditions for prescribed burning to promote oak regeneration without harming acorns.
A recent study found that native plant restoration alone is not enough to prevent non-native species invasion in Hawaii's tropical dry forests. Instead, long-term sustainability measures are needed to manage non-native species and ensure ecosystem resilience.