Articles tagged with Forest Ecosystems
A recent study reveals that vegetation's water-saving effect under rising CO2 is overestimated due to atmospheric feedbacks. This indirect impact can increase surface energy balance, leading to warming and enhanced atmospheric evaporative demand.
Research reveals that leaving deadwood in forests and creating artificial gaps can increase the diversity of bats and birds, with some species responding strongly to these changes. The study found that forest interventions can promote biodiversity even in previously monotonous ecosystems.
Researchers from Frontiers, a multidisciplinary team, spent years searching for the tallest tree in Taiwan after discovering an estimated 5,000 different species thrive on the island. They used LiDAR technology and citizen scientists to identify the 'Heaven Sword,' a 84.1-meter-tall Taiwania fir, as East Asia's tallest tree.
A new study found that rice straw biochar applied at moderate levels improved several colony behaviors linked to soil health in ants. Ants showed stronger habitat preference, built larger nests, and maintained more effective social recognition. However, high doses of biochar were detrimental, causing ant survival to drop sharply.
A Concordia University study reveals that Quebec's forests are recovering with an increase in conifer species, driven by the growth of balsam fir. The researchers used satellite imagery and ground-based forest inventory data to track changes over three decades.
A new commentary reveals that most of Africa's biodiversity persists outside formal protected areas, challenging the reliance on fenced reserves and policies like the 30×30 target. Working landscapes, shaped by centuries of human-nature coexistence, often retain higher ecological connectivity and resilience to climate change.
A new study from Aarhus University found that introduced wild pigs are associated with lower abundance and species richness of invasive plants, but native white-tailed deer are linked to reduced abundance of native tree seedlings. The research suggests that ecological impact depends on feeding behavior, functional traits, and environme...
The Pennsylvania live camera is the third installment in Project RattleCam's livestreams, allowing viewers to observe timber rattlesnakes around the clock. The camera features night-vision capabilities and captures the activities of snakes and other creatures that enter the frame after dark.
A research team found that tropical forest plants increase root carbon exudation to stimulate phosphatase activity and release organic acids to dissolve mineral-bound P. The organic acid pathway drove twice as much P release as the phosphatase pathway.
A study by Ohio State University found that certain tree species, such as red maple and northern catalpa, are more resilient to heat and water stress. Urban forests can provide natural cooling, reducing summer electricity usage, but require careful management and investment in irrigation systems.
Deforestation reduces Amazon's resilience to global warming, with around two-thirds of the forest at risk of degradation at 1.5-1.9°C of warming. Haltting deforestation and restoring forests can strengthen the Amazon's ability to withstand climate change.
A new study by The Morton Arboretum reveals that oaks rapidly diversified in the Americas when they encountered high-elevation terrain, forming a unique biodiversity hotspot. This is supported by data from 322 of the world's approximately 450 oak species, with Mexico and Central America home to at least 160 different oaks.
Researchers at UC Santa Cruz's Forest Fear Lab discovered that the dense upper story of the Amazon carries the cries of frightened birds to other animals, forming a shared information network. Small bird species are key drivers of this acoustic 'information highway,' with larger species also joining in.
A study found that policies reducing deforestation in Brazil have failed to stop forest degradation, a slower and more dangerous form of destruction. Forests are becoming increasingly fragile due to fires, logging, and other human activities.
A new study reveals that birds in Hawaiian forests engage in kleptoparasitism, stealing materials from neighboring nests. The behavior, common among the scarlet I'iwi and crimson Apapane, could threaten species already under stress due to habitat loss and climate change.
A new book by Dr. Suzanne Simard outlines a different approach to forest stewardship, emphasizing the importance of retaining mature trees and protecting soils, biodiversity, and underground fungal networks. The research shows that intact and lightly harvested forests store more carbon and support stronger recovery over time.
The webinar highlighted the potential of combining NFI field data, EO disturbance products, and national statistics for robust forest carbon monitoring. Continental-scale carbon balance analysis showed a trend towards neutral over the past decade, with large interannual variability.
A five-year study reveals that prolonged nitrogen deposition affects subtropical forest soil microbiomes, with a dynamic temporal shift in microbial community assembly and network stability. Dissolved organic matter quality is crucial in predicting bacterial network complexity.
A new study reveals that biochar significantly enhances ant ecological functions as ants' social behaviors and nest site selection specificity improve with moderate levels of biochar. However, higher doses lead to reduced survival, weakened nest construction, and decreased social interactions.
A new study reveals that improving surrounding landscape quality can increase bird species survival in forest remnants, with modest increases in nearby tree cover substantially boosting numbers. This contradicts traditional views on habitat fragmentation and highlights the importance of a more hospitable matrix for conservation.
The US Nature Assessment Report documents human impact on nature, including resource extraction and habitat loss, but also shows restoration and Indigenous stewardship approaches can help turn things around. The report highlights the importance of farmer involvement in protecting ecosystems and preserving biodiversity.
Researchers sequenced the Great Basin bristlecone pine genome, revealing genes associated with disease resistance and longer telomeres, potentially holding clues for understanding longevity in other species. The study provides a reference genome sequence that can be used to inform modern genetic discovery.
Forest damage in Europe is projected to increase by up to 20% by 2100 under all climate scenarios. Annually disturbed forest area could rise from 180,000 to 370,000 hectares per year, increasing pressure on other sectors to reduce emissions.
Forest thinning found to improve wildfire risk reduction and hydrological resilience, increasing snowpack depth by 30% on north-facing slopes. The treatment recovered about 12.3 acre-feet of snow-stored water per 100 acres, equivalent to roughly 15 Olympic swimming pools per square kilometer.
Research reveals that hunting pressure is shrinking safe space for mandrills in Equatorial Guinea's Monte Alén National Park. Mandrills are adapting to changing conditions by focusing on high-quality sites with limited human impact.
A pilot initiative led by University College London is using highly detailed 3D scans to estimate tree structure, volume, and stored carbon in tropical rainforests. This data helps scientists better understand how much biomass forests contain, essential for tracking climate change.
Researchers developed MAPPI, a system that enables real-time visualization of how a plant's leaves, stem, and roots communicate with each other in response to environmental stress. The system reveals bi-directional communication between leaves and roots, overcoming limitations of traditional microscopy.
Researchers at the University of Göttingen found that forest soils in south-western Germany absorb more methane as climate conditions become drier and warmer. This contradicts current international meta-analyses, highlighting the importance of long-term monitoring for assessing the effects of climate change.
The Chicago Botanic Garden and The Morton Arboretum have pledged to protect endangered species such as Cucharillo and Stone's Paphiopedilum through collaborative conservation strategies. These institutions will co-host the 9th Global Botanic Gardens Congress in 2027 to accelerate crucial conservation work.
Deer behavior changes when exposed to the smell of predators like lynx and wolves, reducing browsing damage to tree saplings. The study suggests using large carnivores as a natural solution to mitigate overbrowsing in recovering forests.
A recent study finds that the largest trees in Peruvian Amazon store disproportionately large amounts of carbon, making it difficult to achieve net-zero emissions. Protecting these trees can help conserve biodiversity and forest microclimates against future climate change.
A 40-year greening project in China's Taklamakan Desert has successfully reduced atmospheric carbon dioxide levels and increased solar-induced fluorescence, indicating a measurable carbon sink. The project demonstrates the potential of afforestation to mitigate climate change, despite being only a small dent in global emissions.
A new study found that US forests have stored more carbon in the past two decades than at any time in the last century. Natural forces such as temperature, precipitation, and carbon fertilization are among the largest contributors to carbon gains, while human drivers like tree-planting and forest management also play a role.
Scientists found that mosquitoes in the Atlantic Forest prefer feeding on humans due to convenience as biodiversity dwindles. This preference increases the risk of pathogen transmission and highlights the need for targeted surveillance and prevention actions.
Research found that deciduous tree dominance reduces wildfire carbon losses in boreal forests, storing more carbon above ground and releasing less in deep organic soils. This shift could help slow climate warming by reducing carbon emissions per unit area burned.
A data-rich review suggests that forest biological resources can offset up to 750 gigatonnes of CO₂ by mid-century if processing efficiency rises and green premiums fall. Engineered beams, biochar, and bioethanol can store carbon for decades, offering a 74% lifecycle GHG cut versus gasoline.
Researchers discovered that an insect-pathogenic fungus Beauveria bassiana can turn the defensive substances of bark beetles into more toxic aglycones. These aglycones serve as an effective defense against fungi and increase fungal infestation, particularly in beetles with high phenol content.
A new model by researchers at Duke University explains how trees grow differently under rising carbon dioxide levels. The study found that an engineer's view of water movement in leaves can help explain tree growth patterns in a carbon-rich atmosphere.
Research in Chile's national parks shows that wildfires significantly alter soil structure and nutrient cycles, affecting ecosystem resilience. Humid temperate forests recover faster than mediterranean woodlands due to fire-adapted trees and higher rainfall.
A new AI method using aerial imagery can reliably identify aspen trees and standing dead trees, crucial indicators of forest biodiversity. The technique has been proven effective in all seasons and can be scaled up for monitoring forest environments.
Researchers found a robust and healthy population of critically endangered Sumatran tigers in the Leuser ecosystem, with over 282 high-quality images captured. The team identified 27 individuals, including females with high densities indicating a thriving social system and adequate habitats.
A symbiotic fungus helps the ship-timber beetle survive by accumulating nutrients and producing antimicrobial compounds that inhibit competing fungi. The fungus also adapts to its acidic environment by acidifying it with acetic acid, thriving at low pH levels.
Research team created first high-resolution maps of tree species richness and structural diversity in China's natural forests. The study reveals that precipitation seasonality and forest age drive these two dimensions, with projections suggesting future biodiversity gains and challenges.
Researchers found that roe deer restrict natural forest regeneration, despite abundant light. The team's study suggests that controlling deer densities is crucial for maintaining tree-species diversity in forests.
Researchers found that elevated CO2 levels can cause leaf temperatures to rise by up to 1.3°C in forests, with a greater impact during extreme heatwaves. This change is likely caused by reduced transpiration and could have significant effects on the water cycle globally.
Research at the University of Helsinki reveals that forest thinning can temporarily boost carbon storage in upland forests, while drained peatlands become stronger net carbon sources due to slower tree growth and increased decomposition. The study highlights the importance of adapting management practices to different forest types.
A new study from the University of Eastern Finland found that bark beetle damage clusters in Finland tend to concentrate in groups near previous infestations and mature stands. The research analyzed forestry land data and identified forest characteristics increasing the likelihood of a stand becoming part of a cluster.
A recent study by Oregon State University and the US Forest Service analyzed satellite imagery to assess the impact of the 2021 'heat dome' on western Oregon and Washington's forests. The analysis revealed that 293,546 hectares of forest were damaged, with iconic species like western redcedar and hemlock being disproportionately affected.
Researchers at Kyoto University used LiDAR to measure the crown structure of 4,326 canopy trees across 23 forest census plots in Japan. The analysis revealed that canopy trees account for about 75% of total forest biomass across diverse forest types, providing a foundation for estimating total forest biomass and supporting sustainable ...
A long-term study in the White Mountains of New Hampshire found that recovering forests are using roots to mine minerals for nutrients, leading to improved stream pH but depleted soil fertility. This process enhances mineral weathering, which can make forests more vulnerable to future pollution.
Human-driven climate change makes wildfires in parts of South America and Southern California much larger and more destructive. Climate models warn that severe heatwaves and droughts will make extreme wildfires more frequent and intense worldwide.
Low to moderate-severity fires boost bird populations with effects lasting up to 35 years, contrary to traditional fire suppression practices. Forest managers can use controlled burns and pyrodiversity to benefit majority of birds in the forest.
A new study by Boston University researchers examines the impact of urban environmental stressors on tree growth and ecosystem services. The study found that urbanization disrupts the tree microbiome, leading to a loss of symbiotic relationships and an accumulation of pathogens, which can have negative effects on human well-being.
Forestry professionals express concerns about AI's impact on land-management decisions and policy, citing 'black box' problems and data quality issues. However, they see potential for AI to support tasks like data analysis and task automation.
A study examined Vietnamese mangrove carbon since 1900 and found restored forests to act as important carbon stores. However, the study suggests that these ecosystems might not possess 'normal' ecological functions.
Heat-stressed Australian mountain ash forests are losing a quarter of their trees by 2080 due to global warming. The natural thinning response to temperature stress may decline large-scale tree-planting initiatives to reduce atmospheric carbon levels.
A global study predicts that many tree species will struggle to survive due to climate change, with some forests collapsing entirely. Researchers recommend planting a diverse mix of native species to mitigate these effects.
A recent international collaboration found significant biodiversity loss in multiple types of arthropod, including butterflies, beetles, and spiders, in tropical forests. The study suggests that climate change, specifically changes to the El Niño cycle, are causing these declines.
Research by the University of Michigan reveals that biodiversity is crucial in forests, particularly in wet climates, where it promotes tree growth. In contrast, its impact is negligible in wet years within those same wet climates.