Articles tagged with Forests
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A recent study found that groundwater extraction is harming floodplain forests in Europe by reducing tree growth and increasing drought sensitivity. The research suggests that adapting to climate change requires reducing groundwater extraction, not increasing it, to protect these critical ecosystems.
A study by the USDA Forest Service reveals that more nitrogen from rain and snow reaches streams than previously believed, flowing downstream at a faster rate through US and Canadian forests. This unprocessed nitrate bypasses biological filters, contributing to forest decline and growth of nuisance vegetation.
A University of Montana study found that climate change limits tree regeneration following wildfires in low-elevation forests, potentially leading to abrupt forest loss. The research, published in the Proceedings of the National Academy of Sciences, examined post-fire regeneration of ponderosa pine and Douglas fir trees.
A recent study by University of Wyoming researcher Bryan Shuman found connections between Atlantic Ocean changes, centuries-long droughts, and forest transformations over the past 8,000 years. The study's predictability framework helps anticipate future climate-driven weather and ecosystem shifts.
A study found that climate change and wildfires can lead to abrupt loss of low-elevation forests due to reduced tree regeneration after disturbances. Annual climate conditions now cross critical thresholds at most study sites, making it challenging for trees to regenerate.
Research in Ethiopian sacred church forests reveals that human disturbances, such as buildings and clearings, significantly reduce forest density and species richness. Culturally sensitive conservation strategies are recommended to protect these forests, including restorative planting and protection of large trees.
A new study shows tree rings offer a unique perspective on climate change, matching high-tech data over short-term periods. The method reveals strong agreement between trees' own productivity estimates and satellite-derived data.
Researchers found that tree growth is constrained more by climate than competition for resources in harsh conditions, but not under mild conditions. The study provides important insights into how forest growth will respond to changing climate and could inform land management strategies.
A University of Illinois study using machine learning confirms that farmer cooperatives directly benefit both forest health and farmers, unlike state-managed forests. The algorithm evaluated over 200 forest management regions in Kangra, India, covering a 14-year period.
A new approach using environmental big data helps identify effective conservation methods for managing natural capital, including forests and ponds. The study shows that measures to reduce chemicals used by farmers will be particularly effective in protecting freshwater environments in northern Britain.
The study finds that vegetation in the region will shift from predominantly conifer to mixed conifer and hardwood forests, potentially leading to reduced timber availability and changed fresh water supplies. Climate-driven stress may also increase disease and pest susceptibility in these forests.
A new open-access book presents two years of research on how to best tackle climate change, funded by the Leonardo DiCaprio Foundation. The book provides a feasible roadmap for achieving and surpassing the targets set by the Paris Climate Agreement, indicating that goals are achievable with current technology.
A new study reveals that climate change could lead to declines of underwater kelp forests, impacting fisheries and potentially affecting food security. The research found that ocean warming and acidification can cause disease-like symptoms in kelp, leading to degradation and photosynthesis impairment.
Russian scientists discovered that abandoned arable land is immediately overgrown with forest if there are no grass fires, contradicting the previous assumption of a five-year wait period. Grass fires significantly influence vegetation growth and density on former agricultural fields.
Scientists at ZSL urge governments to prioritize the conservation of small mangrove patches despite their size, highlighting the critical ecosystem services they provide. The loss of these habitats threatens critically endangered species and coastal communities, and could exacerbate climate change impacts.
A genomic analysis by University of British Columbia researchers found that northern goshawks on Haida Gwaii have a highly distinct genetic cluster, with only around 50 birds remaining. The study adds context to conservation efforts and highlights the need to protect this vulnerable population.
A study of 2,800 hectares of mixed-conifer forest found that increasing tree density due to fire suppression leads to increased drought stress and reduced resilience to wildfires. Rising carbon dioxide levels exacerbate this effect, suggesting that denser forests will be more vulnerable to drought in the future.
A new study examines data from 11 western sites to quantify climate change effects on coniferous forests. The researchers found that previous datasets yielded conflicting results depending on the methodology used, highlighting the need for a standard approach.
A West Virginia University researcher suggests that forests are experiencing declining health due to climate change, leading to unbalanced growth and increased risk of disease. To restore a balanced diet, researchers recommend severely cutting back or ending fossil fuel use.
Researchers found that average forest trees growing in conditions similar to those of their peers will experience a 75% reduction in growth. The new study is based on a database of unanalyzed tree cores from the US Forest Service and provides a more accurate estimate than previous studies.
A new study published in the Biodiversity Data Journal reveals a total of 20,539 samples of different Iberian spider species, with 11 new species discovered. The research highlights the lack of knowledge on Iberian spiders and emphasizes the need for standardized protocols and wider taxonomical data to protect their conservation.
A new study found that urban frogs have more conspicuous and complex vocal calls, making them more attractive to females. In contrast, the simpler calls of forest frogs are less appealing.
Fruit flies were first found in southern Africa, where they colonized the area after humans moved in around 10,000 years ago. The flies are attracted to marula fruit, which has been linked to their historical presence among indigenous tribes.
Researchers discovered that wild African fruit flies prefer marula fruits over citrus and are seasonal specialists in their ancestral forests of Zimbabwe. This finding provides clues into how the flies first came to live among humans, attracted by the scent of marula.
Rates of deforestation in war zones increase dramatically once peace is declared, according to a University of Waterloo study. Forests and jungles provide ecosystem services like carbon sequestration and food provision, which are hindered by deforestation after conflict ends.
Heavy precipitation fell in California wildfire areas, causing evacuations and flash floods, with IMERG data showing rainfall totals between 6.3-9.4 inches in north central California.
A 5-year study finds that deep-insulating snowpack loss could reduce forest carbon storage and filter pollutants by 95% in the northeastern US. This decline affects sugar maple trees, impacting industries like timber, maple syrup production, and tourism.
New research reveals that a species of ancient primate, Teilhardina brandti, found in Wyoming, is as old or older than its Asian and European relatives. This discovery challenges the prevailing hypothesis that Teilhardina first appeared in China. The study analyzed 163 teeth and jaws to determine the species' origins and migration patt...
Researchers estimate that soil can retain about 600 billion metric tons of carbon, more than twice the amount added to the atmosphere since the Industrial Revolution. This pathway relies on water dissolving organic carbon and transporting it deep into the soil, where it is bound to minerals.
A study by an international research group found that diverse and old forests are best able to perform multiple ecosystem services, including regulating climate and storing carbon. Foresters should focus on specific forest attributes to promote desired services, as no single 'perfect forest' exists.
Forests in the Pacific Northwest are less vulnerable to drought and fire due to climate conditions. Modeling suggests water-limited forests in the Rockies will be most affected by future drought-related mortality.
A new study suggests that natural solutions in the US can equal a quarter of the nation's current net annual emissions, with increased reforestation being the largest means to achieve greater carbon storage. The study highlights various high-performing forest and land management practices to mitigate climate change.
A new study by Portland State University researchers finds that climate change is causing more severe wildfires and larger insect outbreaks in temperate forests. The study analyzed 50 protected areas and found a strong link between high disturbance activity and warmer, drier-than-average climate conditions.
A long-term study found that frequent disturbances outweigh severe ones in structuring kelp forest biodiversity. Annual disruptions led to a doubling of smaller plants and 30-61% fewer fish and shellfish, highlighting the importance of resilience over severity.
Historically, 4-12% of western US land burned annually, while current trends underestimate future risks. Climate-driven drying and excess vegetation have led to low wildfire rates, shifting assessment towards inevitable future fires. The authors highlight the need for more widespread effective management strategies.
A new study suggests that declining nitrogen availability in natural ecosystems like grasslands and forests may limit plants' ability to absorb carbon dioxide. This could have significant implications for the global climate, as plants play a crucial role in mitigating greenhouse gas emissions.
Researchers found a global decline in nitrogen availability due to climate change, which can impact forest carbon sequestration and ecosystem health. The study suggests that even with reduced carbon emissions, many ecosystems will face nitrogen limitations, highlighting the need for sustainable land management practices.
The Pando aspen clone, widely considered the world's largest single organism, is in grave need of forest triage. The study reveals that early protection from fencing showed great promise in abating browser impacts, but follow-up fencing efforts are currently failing.
A new study published in Nature found that sustainable forest management can only provide modest, local benefits rather than a significant impact on the global climate. Forests themselves will need to be adapted to climate change to sustain their ecological and social services.
A large-scale forest biodiversity experiment in China found that species-rich forests stored an average of 32 tons of carbon per hectare, while monocultures averaged only 12 tons. The study suggests that a mix of tree species is necessary for optimal carbon sequestration and climate protection.
A $1 million grant will support research into tree chemical defenses against bark beetles, exploring mechanisms of tree death and susceptibility. The study will investigate tree responses to drought conditions and manipulate water availability in pinyon pine forests.
Researchers found that East Japan populations of Castanopsis sieboldii survived in situ during the LGM on both Japan Sea and Pacific coasts. Genetic diversity studies suggest these groups had already been established before the LGM, indicating separate survival in different regions.
A recent study maps global forest loss and finds that commodity-driven deforestation accounts for approximately 27% of total losses. The rate of commodity-driven deforestation remained steady over a 15-year period, contradicting efforts to reduce forest loss.
Warm-water kelps alter ecosystem functioning, with faster food production and processing, but may reduce biodiversity. Kelp forests are expected to survive, unlike in other regions where they are disappearing.
A Montana State University-led team discovered that low humidity, high winds, and extreme temperatures contribute to Chile's massive fires. The researchers found that Chile replaced native forests with more flammable tree plantations, which facilitated the spread of fires.
Researchers analyzed over 23,000 tree cores to investigate how adult trees respond to changes in climatic conditions. The study found that trees responded to variations in climate during a roughly 40 year period and adapted locally.
A new study by the University of Leeds found that forests emit volatile gases, forming particles in the atmosphere that increase diffuse light. This enhanced diffuse sunlight boosts photosynthesis by up to 10% globally, mirroring 10% of global fossil fuel emissions.
A new study found that frequent fires in eastern US forests make droughts harder for young trees to survive, even in wet areas. The research shows that fire can promote warmer, drier conditions and reduce nitrogen availability, leading to increased drought stress.
Research reveals a 73% decrease in bird abundance and 45% drop in species diversity at nine sites surveyed on the Pajarito Plateau. The decline may signal early effects of drought, hotter temperatures, and bark beetle outbreaks on piñon pine trees.
Researchers are studying how island scrub-jays, found only on Santa Cruz Island, genetically diverge despite being isolated. The study aims to understand microgeographic adaptation strategies in these birds.
A study published in Nature found that warmer temperatures accelerate spring greening and delay fall color change in peatland vegetation. This extends the growing season, which could impact carbon cycles.
A new carbon accounting system has been adopted by the EU to measure forest management's impact on greenhouse gas emissions. This approach reflects actual historical practices rather than projected future outcomes, providing a more credible solution to account for forest sinks and reducing GHG emissions.
Research finds 73% of tree species have shifted westward, largely associated with changes in moisture availability. Climate change impacts are more near-term and related to moisture availability than temperature changes.
A new study reveals that ocean acidification is having a major impact on marine life, with corals and kelp forests being particularly vulnerable. The research suggests that reducing CO2 emissions is crucial to prevent further damage to these ecosystems.
Dr. Bedewy will explore the kinetics of activation and deactivation in large populations of carbon nanotubes known as 'nanotube forests' using experimental and modeling techniques. The research aims to gain a fundamental understanding of how these forest structures behave collectively, impacting their properties for emerging applications.
A Dartmouth-led study proposes that the Lorax viewed himself as part of the Truffula forest ecosystem, not an ecopoliceman, and had a symbiotic relationship with other species. The research also finds that Geisel's inspiration for elements in the Lorax may have been based on actual tree and monkey species in Kenya.
Treevia's SmartForest system uses wearable devices and electronic sensors to monitor tree growth, quality, and health in real-time. This allows for more efficient and data-driven forest management decisions.
Researchers have calculated the capacity of North American forests to sequester carbon, finding that they have reached 78% of their potential and will only gain 22% more in the next 60 years. This is a critical finding with implications for forest management, climate scientists, and policymakers.
A study published in BMC Evolutionary Biology found that Bale monkeys living in different habitats have distinct mitochondrial DNA profiles. The researchers discovered that populations from fragmented forests were more closely related to vervet and grivet monkeys than those from continuous forests, suggesting hybridization had occurred.
A large-scale study examines giant panda habitat use trends and changing threats to their survival, providing scientific evidence of conservation success. However, emerging new threats such as livestock and human disturbance are offsetting gains, highlighting the need for continued protections and adaptive management.