A comprehensive study found that biofuels produced from West Coast forests would release more carbon dioxide into the atmosphere than current forest management practices. The study examined various forest types and management approaches, concluding that even optimal efficiency levels would increase emissions by up to 14%.
Researchers found significant amounts of carbon in US streams and rivers, releasing into atmosphere before reaching coastal waters. This discovery could change how scientists model carbon movement among land, water, and atmosphere.
Researchers found that US rivers and streams are a significant source of CO2, releasing as much as a car burning 40 billion gallons of gasoline into the atmosphere. This could alter carbon modeling and require adjustments to regional carbon budgets.
A Canadian study revealed that warning signs can significantly reduce deer-vehicle collisions, with drivers altering their speed after passing the signs. The study showed a notable decrease in collision rates once signs were placed in key locations, highlighting the effectiveness of selective implementation.
Despite maintaining a forest's physical appearance, its ecological, economic and cultural values can still be lost due to changes in structure and biodiversity. Researchers warn that traditional forestry practices, such as clear-cutting, can lead to the disappearance of critical forest structures and stages.
Restoring forests and planting trees on farms can greatly improve food security by providing a source of income, food, and fuel for households. In dryland areas like the Horn of Africa, forests serve as a crucial defense against poverty and provide critical sources of moisture and nutrients in the soil.
A recent study published in the Journal of Forestry reveals that US national forests can help Americans meet guidelines for regular physical activity. The study found that activities such as hiking, walking, and fishing account for about two-thirds of all visits to national forests, resulting in annual energy expenditures equivalent to...
A meta-analysis predicts that cities will expand by 590,000 square miles globally by 2030, threatening biologically diverse areas. Rising incomes in China drive half of urban land expansion, while population growth drives expansion in India and Africa.
Candice Shoemaker's study shows that creating a course map with student learning outcomes improves student confidence in understanding topics, correlating with better academic performance. Students' average confidence increased from two to four by the end of the semester.
Researchers are studying the impacts of pollutants on white sturgeon populations in California's Sacramento-San Joaquin Bay Delta. They aim to identify contaminants affecting reproduction and develop targeted management strategies for recovery.
A new study by University of Vermont geologists provides the first broad, standardized view of pre-human erosion rates, measuring 1599 measurements from 87 sites worldwide. The study reveals that slope is a key driver of erosion, contradicting previous assumptions about rainfall's role.
Researchers analyze structure and physiology of trees as they grow, revealing how older, larger trees respond to environmental changes like CO2 levels and drought. The study sheds light on how these changes affect tree species distributions as the climate shifts.
The decline of apex predators has severe impacts on ecosystems, causing trophic cascades that affect habitat loss, pollution, wildfire, climate change, invasive species, and disease spread. This loss is driving the sixth mass extinction event, threatening human health and well-being.
Indonesia is paying a high price for failing to give local communities enforceable rights to contested forests, causing significant economic losses and deforestation. The country continues as an outlier in the region, with less than 1% of its forestland legally recognized under local control.
A 73-percent decline in fisher density has been documented on the Hoopa Valley Indian Reservation in northwestern California between 1998 and 2005. The study suggests that changes in prey habitat, disease, and increased predation by bobcats may be responsible for the population decline.
A new class of solvents, ionic liquids, have been reported to efficiently treat biomass, but hinder enzyme activity. Salt-tolerant microbes like Halorhabdus utahensis were used to identify new enzymes tolerant to ionic liquids. These enzymes offer advantages for industrial utility in breaking down biomass into simple sugars.
Researchers have developed a model to predict the amount of carbon contained in agroforestry systems using detailed web-available data. The model provides a tool for farmers to assess the impact of windbreaks on their operations, capturing substantial amounts of carbon while providing production and conservation benefits.
Researchers identified three groups of genes required for extensin production, crucial for root hair growth and nutrient uptake. The study sheds light on the assembly of plant cell wall components regulating growth, with potential applications for sustainable agriculture and forestry.
A UBC study found that over 75% of tree holes used by birds and mammals worldwide are created by damage and decay, emphasizing the importance of preserving older, larger trees. This contrasts with North American forests where woodpeckers dominate hole creation.
An integrated approach combining agriculture and forestry is more effective than sparing land for forests through agricultural intensification. Agroforestry enriches soil conditions and acts as a carbon stock, helping mitigate climate change.
A new analysis finds that most countries participating in REDD+ cite agriculture as the main cause of deforestation, but few provide details on how to address this issue. Countries pursuing food and biofuel production policies are intensifying agriculture-related pressures on forest lands.
The US construction industry has the highest number of traumatic brain injuries (TBI), with a fatality rate of 0.8 per 100,000 workers per year. Falls are the leading cause of fatal TBI, accounting for 29% of all fatalities.
A new report by US and European researchers found that world forests are becoming larger carbon sinks due to increased density, with no significant expansion of forest area. This increase in density helped maintain regional carbon levels despite deforestation, offering a way to mitigate carbon emissions through managed forestry.
A new forest simulation model helps researchers understand the effects of timber-friendly hardwood regeneration on songbird habitats in Michigan's Upper Peninsula. The study found that regeneration in harvest gaps is crucial for forest managers to have choices, with sugar maple regeneration having a significant impact on bird habitat.
A new study reveals that climate projections don't accurately reflect soil carbon release, leading to potential flaws in global warming predictions. The researchers found that temperature variability affects the amount of carbon released from soils, with higher releases expected at lower latitudes.
A Purdue University study finds that climate change allows yellow starthistle to outcompete native species, leading to economic and ecological damage. As carbon dioxide levels rise, the invasive weed grows up to six times its normal size, while native grassland species remain relatively unchanged.
A research group has discovered a genetic mechanism that controls the development of wood cells in plant roots, allowing for potential engineering of more wood-producing plants. The study, published in Current Biology, sheds light on the formation of water-transporting tissues and their role in plant colonization of land.
A new sustainable aviation fuels industry in Australia and New Zealand could reduce greenhouse gas emissions by 17% and generate over 12,000 jobs. The CSIRO report predicts a reduction in Australia's reliance on imported fossil fuel by $2 billion per annum.
Researchers developed a mutant form of wheat called 'sweet wheat', which contains more sugars and healthful carbohydrates than regular wheat. The new flour may provide health benefits when used in foods like breads and cakes.
A new experimental vaccine has shown promising results in protecting horses against the deadly Hendra virus, according to CSIRO scientists. The vaccine's successful development could help prevent the spread of the disease from flying foxes to horses and ultimately to people.
The Eucalyptus grandis genome sequence provides a blueprint for efficient breeding programs, disease resistance, and wood quality improvement. Researchers aim to replace fossil fuels with biofuels and other alternative energy sources using cellulose-rich plants like eucalyptus trees.
Researchers link inadequate connections between building members to excessive damage from tornadoes. While modern codes are generally adequate, their enforcement is often lax. The study's findings underscore the need for better building practices and code compliance to reduce storm damage.
African nations participated in a workshop to document the status of forest genetic resources, essential for conserving and sustainably managing forests. The project aims to cover over 3,000 species and gather comprehensive data on genetic diversity before it is lost forever.
A study in Michigan's Upper Peninsula reveals that deer are outcompeting saplings for resources, hindering regeneration of sugar maple trees. The research suggests a trade-off between deer populations and timber harvesting, with areas in the south facing severe sapling shortages.
A University of Guelph professor will use DNA technology to monitor and protect Wood Buffalo National Park, a world heritage site threatened by climate change and industrial development. The project aims to develop a DNA-based early-warning system to identify critical environmental stresses and measure ecological risk.
A project called Tropi-Dry, led by the University of Alberta, used remote sensing and geo-data to overturn a Brazilian law that would have allowed widespread logging. The decision protects critical ecosystem services, including weather regulation and water production.
Researchers at IITA and CIFOR found that widespread deforestation in West Africa's tropical forest region is driven by low-input farming practices. Increasing fertilizer use could have spared 2 million hectares of forest from being cleared, instead promoting sustainable agriculture and higher yields.
A Purdue University study suggests that drought-exposed leaves may negatively impact soil nutrients by accumulating high levels of tannins. These tannins can interfere with critical enzymes in soil, potentially slowing down decomposition and nutrient cycling.
New research reveals mangroves play a crucial role in mitigating climate change by storing vast amounts of carbon. The study found that mangrove destruction contributes significantly to greenhouse gas emissions, with potential impacts of up to 10% of global deforestation emissions.
A recent study found that mangroves store up to four times more carbon per hectare than most tropical forests. The high-carbon storage capacity of mangroves can be attributed to their deep organic-rich soils and complex root systems.
Research at Kansas State University found that student confidence levels correlate with academic achievement, particularly when targeted learning objectives are used. Students' reported confidence improved significantly over the course period and was positively correlated with their academic performance.
Researchers have found that exposure to vibrations from power tools can cause hand-arm vibration syndrome, a condition that leads to numbness, loss of dexterity, and discoloration in the extremities. A study by Concordia engineer Subhash Rakheja suggests that simple seat upgrades can reduce exposure by up to 60 percent.
Bats play a crucial role in reducing pesticide use and crop damage, with estimates suggesting their value to agriculture is roughly $22.9 billion annually. However, widespread bat population declines due to diseases like White-Nose Syndrome and wind turbine collisions threaten this ecological balance.
Virginia Tech forest researcher Jason Holliday has received a $1.5 million NSF grant to investigate how tree populations adapt at the genomic scale in response to climate change. The study aims to improve breeding applications for poplar planting stock in a changing climate.
Researchers found that plant buffers can slow down the runoff of veterinary antibiotics in surface water, reducing transport by 58-72% for herbicides and 70% for antibiotics. The use of certain species like hybrid poplar can further enhance degradation of deposited antibiotics.
The US Play Coalition has awarded grants to three researchers to study the value of play for children's health and well-being. The projects will explore topics such as recess, unstructured play, and playground design to understand their impact on children's physical activity and cognitive development.
The Sea Grant programs have awarded over $1.1 million for six projects studying the effects of nitrogen, red tide, and climate change on Long Island Sound's ecosystem. Research results will provide valuable information to resource managers throughout the watershed.
The study found that otters are more common in areas with moderate human impact, where water quality has improved and prey species like fish and crayfish are abundant. The researchers suggest conserving aquatic habitats to encourage greater distribution of the species.
Researchers at Purdue University are developing a new scientific field that uses soundscapes to understand ecological characteristics and reconnect people with natural sounds. By analyzing the rhythms of natural sounds, scientists can detect early changes in climate, weather patterns, and pollution.
A new study projects that climate change will shrink the range of lodgepole pine in western North America by 2080, with the species expected to survive in only 17% of its current range. Warmer temperatures and increased drought are already affecting the species' growth, making it more vulnerable to insect attacks like bark beetles.
Indonesia aims to reduce greenhouse gas emissions, but contradictions in laws, regulations, and customary norms hinder progress. The country's forest management policies create hotspots of confusion over what constitutes 'peat' and 'natural forest', leading to ongoing conflicts between industry, government, and local communities.
A $20 million grant will study the effects of climate change on southern pine forests, a major economic engine in the US economy. The research aims to improve forest health, productivity, and sustainability while providing tools for landowners to adapt to climate change.
A new framework for understanding biogeochemical cycles highlights the importance of balancing human needs with the health of the planet. This integrated view could help predict and manage climate change, improve sustainable forestry practices, and balance agricultural needs with estuary health.
Growing trees on farms enhances soil health, conserves water, and provides a range of products including food, medicine, and energy. Agroforestry is crucial for meeting global challenges such as food security and climate change.
A recent study published in Biology Letters indicates that giant pandas are associated with old-growth forests more than any other ecological variable besides bamboo. This finding suggests that conserving both bamboo and old-growth forests is crucial to protect this critically endangered bear species.
A Purdue University study found that Lake Erie's large hypoxic zone negatively impacts aquatic life, but not all fish species equally. The study showed that some species, like yellow perch, were less affected, while round goby and rainbow smelt were more significantly impacted by the low oxygen levels.
Researchers found that April grafting is the most successful method for creating disease-resistant Fraser fir trees, with a 95% success rate. The study recommended grafting during late winter or early spring when scions are dormant and rootstocks are becoming active.
The William T. Pecora Award recognizes Prof. Marvin Bauer's outstanding contributions to remote sensing education, science, and applications. The award highlights his research in agriculture, forestry, and lake water quality monitoring.
A Yale University study found that the risk of dying from a heat wave is highest when they occur early in the summer and are hotter and longer than usual. The average daily risk of non-accidental death increased by an average of 3.74 percent during heat waves.
Scientists develop a new DNA technique to screen for natural resistance in crops affected by the honey fungus, a devastating disease of trees and shrubs. The technique allows for easy identification, measurement, and study of the fungus in a lab setting.