Articles tagged with Forestry
A new study suggests that global warming may lead to increased productivity in high-elevation forests of the Pacific Northwest, with potential increases of up to 500% in Washington. However, lower-elevation forests are expected to decline in growth due to drought stress and limited moisture.
Researchers have developed a new device to measure plant species' flammability, allowing for improved fire risk maps. The technique measures combustion speed and heat emitted during burning, providing more accurate data than existing methods.
A team of Tennessee foresters, led by Stacy Clark, is working to reintroduce the American chestnut to eastern US forests. The goal is to create a blight-resistant tree that can thrive in its natural habitat, offering benefits for humans and wildlife.
The Wildlife Conservation Society (WCS) has successfully reintroduced critically endangered Chinese alligators into the wild, with the population now multiplying on their own. The reintroduction effort, which started in 1999, included captive-bred animals from North American zoos and partner agencies in China.
Scientists at Oregon State University found that Pacific Northwest forests have significant potential to increase carbon storage, with estimated increases of 15% if all forest stands were allowed to increase in age by 50 years. This region accounts for 14% of the live biomass in the entire US and has already sequestered 30-50% of emiss...
The USDA Forest Service has established a new 25,000-acre experimental forest in the Tongass National Forest to investigate how climate change affects various forest resources such as timber and salmon habitat. The research aims to understand the impact of climate change on temperate rain forest ecosystems nationwide.
A new hybrid of the American chestnut tree has been developed that can sequester more carbon than other hardwood species. The trees grow faster and larger, allowing them to store more carbon in a shorter amount of time, which could help slow climate change.
The study found that vegetation cover has increased over the past 65 years, leading to a decrease in bare sandstone habitat critical for broad-headed snakes. Regular controlled burns could open up the forest canopy and prevent tree seedling establishment, benefiting the endangered species.
A study by the USDA Forest Service found that aerial application of laminated flakes containing verbenone reduced mountain pine beetle attack rates by three-fold in California and Idaho. The technique could provide a large-scale solution to slow the spread of the beetles, which are devastating lodgepole pine stands across the West.
Research by Northern Arizona University ties tree mortality to climate change, with a significant increase in death rates across the western US. The study, led by Phillip J. van Mantgem and Nathan L. Stephenson, analyzed long-term data from over 6,000 trees and found that regional warming is a key factor contributing to this trend.
Three Kosraeans, Maximilian Nithan, Jacob Sanney, and Rickson Johnithan, have been selected as interns in the US Forest Service's Professional Internships program. They will address watershed management issues and implement focus projects to improve forestry practices in their communities.
Three Palauans, Uelbil Puanani Michael, Omekrael Sadang, and Sheldon Siksei, have been selected as interns in the US Forest Service's Professional Internships in Pacific Terrestrial Island Ecosystem Management program. They will work on forestry projects in their home islands and later implement focus projects with mentors.
A new book provides a comprehensive overview of air pollution research, focusing on wildland fires' impact on humans and the environment. The 686-page book includes 26 research papers by 85 experts, covering regional perspectives and current tools for managing forests affected by fire and climate change.
Low-budget, locally led mangrove replanting projects are more successful than high-cost government-led projects, achieving survival rates of up to 97%. Planting the correct species in suitable sites and community involvement are key to ecological benefits.
Yale Environment 360, a new online magazine, covers global environmental issues with reports, analysis, and Op-Ed-style pieces. The site features original articles by leading journalists, scientists, and experts, showcasing diverse perspectives on climate change, energy policy, and more.
A team of 23 scientists examined the effects of controlled burns and forest thinning on western Ponderosa pine ecosystems. They found that tree growth increased after thinning, but with a single canopy layer, while controlled burns had little impact on large trees but harmed smaller ones.
A new study from Wake Forest University School of Medicine found that workers with increased work flexibility reported fewer sickness absences and improved job commitment. This suggests that implementing flexible work arrangements can contribute to better health outcomes and productivity for employees.
A photograph taken by a wildlife biology student in 2008 may depict a California wolverine, sparking further analysis and investigation. The animal's presence has not been confirmed since the 1920s, but forest service scientists believe it is a rare sighting.
Elinor Ostrom proposes a flexible framework for resource management, considering factors such as governance systems, resource users, and innate productivity. The framework aims to improve conservation strategies by working with local people and adapting to unpredictable human behavior.
The National Ecological Observatory Network has selected candidate core wildland sites across the United States for deployment, with a focus on understanding climate change and its impacts on ecology. The selected sites will host distributed sensor networks and experiments to record and archive ecological data for at least 30 years.
The Institute of Ecosystem Studies has been recognized for its innovative deer management program, which balances forest health with deer populations. The program's success has informed deer management initiatives across the northeastern US and beyond.
The study, known as CLAMS, examines ecological, economic, and social consequences of forest policies in the Coast Range. The research found that maintaining current policies will lead to increased old-growth forests and habitat for old-forest species, but may result in declines in diverse early-successional and hardwood forests.
Scientists assess native plant diversity to evaluate invasion vulnerability and protect native plants, innovative field methods presented in a new book by USGS ecologist Tom Stohlgren. The book provides revised sampling approaches for measuring plant diversity at multiple scales, helping natural resource managers make informed decisions
A University of Wisconsin-Madison team developed a map that incorporates environmental and human factors to pinpoint areas most vulnerable to devastating wildfires. The map highlights the critical role humans play in causing fires, particularly near wildland-urban interfaces.
Stroke patients who receive constraint-induced movement therapy show significant improvement in arm and hand function, regaining 52% more time to complete tasks and performing 24% more tasks with the partially paralyzed arm. The study, led by Emory University researchers, found greater improvements than usual care over a year.
Ecosystem services from boreal forests, including carbon capture and water filtration, are estimated to be worth $160 per hectare, totaling $93 billion/year in Canada. Globally, the value is around $250 billion per year. A natural capital accounting system is recommended to reflect these values.
A recent study examines the effectiveness of forest certification programs in developing countries, finding that existing demand from North American and European markets has not significantly influenced forest management choices. The book argues that increased commercial support is needed for improved environmental and social practices.
New research reveals squirrel poxvirus is wiping out red squirrels in northern England at a rate 17-25 times higher than areas unaffected by the virus. Targeted grey squirrel control at narrow entry points is recommended to save the species.
A recent study published in Policy Sciences examines the ethnic differences in job quality among US forest workers. The research reveals that Hispanic workers face more onerous jobs with fewer benefits, including less job security and no health insurance compared to white workers.
Plant diseases such as Dutch elm disease and dogwood anthracnose threaten urban tree health, while environmental stresses like flooding and pollution harm their vitality. Urban forestry experts emphasize the importance of managing these issues for community well-being.
The Valles Caldera Trust employs science-based adaptive management to monitor natural resources and adjust management activities in response to changing conditions. This approach, pioneered by forest ecologist Thomas Swetnam, aims to improve the long-term sustainability of federal lands like national parks and forests.
A $10M grant will support Yale-India environmental ties through collaborative programs in energy, climate change, and sustainable development. The partnership aims to produce decision makers and leaders in India who prioritize environmental conservation and sustainable growth.
A nationwide study published in Environmental Health Perspectives found that even very low levels of ozone increase the risk of premature death. The study suggests that further reductions in ozone pollution would benefit public health, even in areas that meet current regulatory standards.
Tropical regions are facing growing fire hazards, leading to more severe impacts on local ecosystems. The study found that repeated fires are causing cumulative stress to sensitive species.
ICWater is a computer-based tool that integrates multiple information sources and data from incident commanders to help predict contaminant reach times for drinking water intakes. The tool is currently used by water utilities and response teams in the US, with an operational version set to be deployed nationally by summer 2006.
The report found a lack of data on landowner biodiversity policy, calling for new sources and incentives to promote sustainable forestry. Scientists also identified the need for annual tracking of large parcel transactions to ensure responsible stewardship.
Yale is establishing an online library for developing countries to access peer-reviewed scientific literature. The project aims to increase the ability of scientists in underdeveloped nations to conduct high-quality research and develop educational programs.
Jones' master of science thesis described a new species and subspecies of freshwater mussel, utilizing modern genetic techniques in addition to traditional methods. His research highlights the importance of multi-faceted approaches in understanding biodiversity.
Researchers at Virginia Tech are using stream fish to assess water quality, finding that different species respond to pollution in unique ways. This study aims to improve the accuracy of water quality assessments by incorporating fish movement patterns and diversity.
Peter A. Raymond, Yale assistant professor of ecosystem ecology, has received the 2005 Cronin Award for his research on rivers, estuaries, and coastal systems' role in carbon budgets. He studies climate and land use's impact on river carbon transfer and collaboration with researchers on air-water CO2 exchange.
A research group has identified a messenger molecule, produced by the FT gene, that induces flower formation in plants. This breakthrough resolves the long-standing mystery of Florigen, a substance thought to control plant flowering, and opens up new possibilities for plant breeding and forestry.
The BP Conservation Programme has announced a new five-year initiative to support global biodiversity conservation. The program has provided annual support to teams of conservationists for 15 years, with past projects describing approximately 25 species new to science and influencing local community environmental awareness.
The Aldo Leopold Leadership Program has moved to Stanford University and awarded new fellowships to 19 environmental scientists in 2005. The fellows will receive training on communicating environmental science to policymakers, media, business leaders, and the public.
The loss of gray wolves in western North America has triggered ecological effects on elk populations, beaver, birds, fish, and even tree species, leading to collapsing health of aspen and other vegetation.
A large-scale study conducted from 1987 to 2000 found a strong link between short-term changes in ground-level ozone and mortality in 95 urban areas, covering 40% of the US population. The study suggests that reducing daily ozone levels by 10 parts per billion could save up to 4,000 lives annually.
Uganda's forests generate significant income from forest products like charcoal and firewood, contributing up to 36% of annual income for local people. The report concludes that conserving these forests is crucial in alleviating poverty, but current efforts face funding constraints.
A five-year study by Virginia Tech researchers found that lead bullets do not leach into water tables or streams after landing on controlled shooting ranges. The study's findings suggest that lead is mostly absorbed in the top few inches of soil and does not pose a significant risk to wildlife.
The DOE has successfully sequenced the poplar tree's genome, providing a critical resource for developing faster-growing trees and increasing biomass conversion. Researchers aim to engineer trees that can sequester more carbon from the atmosphere, potentially helping mitigate global warming.
The BP Conservation Programme is awarding $600,000 to 29 student-led teams for critical conservation projects worldwide. Winners will attend practical workshops and learn from global experts to carry out their projects.
A new partnership between researchers and federal agencies has created a powerful tool to manage fire risk, with maps showing the extent of wildland/urban interfaces across the US. The analysis highlights the need for ecological principles in land-use planning, particularly in high-risk areas.
American chestnut trees have shown remarkable growth potential in plantations, growing up to 77% taller and 140% wider than other forest species. Purdue researcher Doug Jacobs is developing blight-resistant hybrids to restore the tree to its historic range.
The study used high-resolution commercial imagery from the IKONOS satellite to simulate future development scenarios in the Washington-Baltimore metropolitan area. It found a 39% increase in developed land between 1986 and 2000, with significant changes around the Dulles Airport area.
Researchers at UGA's SREL will conduct experiments to identify major factors affecting amphibian population persistence and responses to upland habitat alteration. The study aims to model species responses to forest management at larger scales.
A new Web site allows users to compare greenness from one year to the next, between years, against a 14-year average and at two-week intervals. This information is invaluable for making long-term land management decisions, enabling natural resource managers to monitor vegetation dynamics through time and across landscapes.
Virginia Tech's HCRC is the largest horseshoe crab research institution in the country, supporting research on sustainable management practices. The new funding will support a range of studies, including population size estimation, spawning habitat identification, and dynamics between horseshoe crabs and shorebirds.
The agreement creates a transboundary protected area combining the Takamanda-Okwangwo complex in Cameroon and Nigeria. The plan aims to conserve gorillas and their habitat through measures such as revised land-use practices, corridor establishment, and increased protection.
Seed Stage Associates LLC will provide education, assistance, training and advice to establish tech transfer offices, while aiding established offices in evaluation, marketing and licensing of new technologies. The company will leverage resources of western North Carolina schools for collaboration.
Researchers at North Carolina State University found that loblolly pines and Arabidopsis thaliana share 90% of their genes, despite being vastly different in appearance. This suggests that woody and herbaceous plants may have evolved using the same genetic mechanisms.
Researchers at North Carolina State University have successfully reduced lignin content in aspen trees by 45-50% through genetic modification. This reduction increases cellulose content and accelerates tree growth, offering economic and environmental advantages for the wood, paper, and pulp industries.
A newly discovered fungus, estimated to be between 2000 and 8500 years old, has rewritten the concept of individual organisms. The fungus, a clone of Armillaria ostoyae, covers an area of 9.65 square kilometers and has implications for forest management practices.