Articles tagged with Trees
A new study by WCS found that overhunting of fruit-eating mammals and birds can lead to a shift in forest composition, resulting in lower carbon storage. The loss of these species changes the ecosystem, making it more challenging for forests to sequester and store carbon.
A team of researchers from UC Davis has developed a tool that can predict which forests are likely to survive or die after a drought. By analyzing changes in precipitation, soil moisture, and temperature, the tool links these factors to tree growth and carbon reserves.
A study published in Ecology and Evolution found that bison bulls in northern Yellowstone are breaking aspen saplings, preventing them from growing into trees. The researchers suggest that this behavior may be related to displays of aggression, and could hinder the recovery of aspen stands.
Researchers advocate for a forest-first approach to specifying timber species in forestry and building practices, emphasizing the need for climate-adaptive strategies. By selecting suitable tree species based on ecological and building traits, builders can create resilient forests and support functional diversity.
The study found that local communities in coastal Ecuador depend less on tagua trees today than their grandparents did, but still use them for cultural and supporting services. The research highlights the importance of conservation efforts to protect these ecosystem services.
Researchers found that sinking culled fruit trees into the Wadden Sea boosted local marine life diversity and abundance. The study shows native biodiversity can be restored using trees as reefs.
Researchers mapped canopy soils to determine where they form and how they support biodiversity. These 'soil-in-miniature' contain abundant plant and animal life, including epiphytes and air plants.
A study published in Science found that overestimations of forest preservation in voluntary REDD+ projects result in the generation of millions of worthless carbon credits. The research team calculated that only 6% of these credits are linked to actual reductions in carbon emissions.
A global study reveals that proximity to human activity and native biodiversity are crucial factors in determining the likelihood and severity of non-native tree invasions. Native species help buffer the intensity of these invasions by filling available niches, making it harder for non-native trees to spread.
A new dictionary provides a comprehensive overview of Shakespeare's language, revealing words with reduced mental ability and plant hybrids. The Arden Encyclopedia of Shakespeare's Language offers insights into the linguistic thumbprints of plays and characters, as well as the networks of character interaction.
Climate impacts like dry summers causing tree growth reduction and increased mortality in the Black Forest. The study found a peak in tree mortality in 2019, with mortality rates exceeding 40% of sustainable annual growth.
A new modeling tool called REBURN can simulate large forest landscapes and wildfire dynamics under different management strategies. The tool shows that setting prescribed burns and allowing smaller wildfires to burn can yield more varied and resilient forests over time.
Research from the University of Gothenburg reveals that both innate factors and environmental influences contribute to an individual's attitude towards nature. The study suggests that a wide range of factors shape how people express their love for nature, and emphasizes the importance of considering these variations in urban planning.
A decade-long study in Tanzania's Eastern Arc Mountains reveals that biodiversity conservation benefits vary widely among groups, with local rural communities bearing substantial costs. International funding could help smallholder farmers boost yields on their existing land to incentivize long-term forest protection.
A study by Cambridge University Press reveals that no-spray buffer zones of 30 meters near riparian areas are critical in protecting waterways from herbicide run-off. The research also found that forest litter retains most of the herbicide mixture, rather than soil.
A new tree forensics project, Gigante, aims to investigate the deaths of large tropical trees using drone surveys and on-the-ground observations. The team expects to identify the causes of death for up to 10,000 trees over three years, shedding light on the impact of climate change on forest ecosystems.
Researchers discovered that adult trees in a Panamanian forest are much more far apart than expected, likely due to species-specific enemies and repulsion between trees. This finding helps bridge the gap between contrasting theories on how forests are shaped.
Researchers found Amazon dark earth boosts tree growth by twice to five times normal height with 20% ADE and three to six times with 100% ADE. The soil also contains more nutrients, including phosphorus, and has a higher pH. Biotech applications aim to replicate these characteristics without requiring the finite resource.
A new study reveals a severe bottleneck in US tree nurseries, with only 56% meeting the volume needed for conservation and reforestation. The lack of diverse species and locally adapted trees hinders efforts to plant billions of trees to combat climate change.
A University of Maryland study found that tree species diversity increases spider populations, providing a natural pest regulation service. Spider populations in diverse plots increased by 23-50% compared to single-species plots during late summer months.
A research team from Hokkaido University has found an exceptionally preserved fossil forest of Wataria parvipora, which was predominantly accompanied by Byttneriophyllum leaves. The discovery helps reconstruct a whole Eurasian plant from the late Miocene epoch and sheds light on the taxonomic identity of plants.
Researchers at Cornell University have discovered a mutation in the MdLAZY1A gene responsible for the 'weeping' growth pattern in apple trees. This finding could lead to more productive and labor-saving orchards by allowing branches to grow downwards, thereby increasing resource allocation towards reproductive growth.
Research found trees and shrubs respond differently to warming, with trees advancing and shrubs delaying their growth due to increased sensitivity to chilling accumulation. This phenological mismatch confers a competitive advantage to trees, potentially driving upward treeline shifts.
Researchers at North Carolina State University used CRISPR gene-editing to breed poplar trees with reduced lignin levels, while improving their wood properties. This breakthrough could make fiber production for paper, diapers, and other products more sustainable, efficient, and cost-effective.
A new study conducted by CABI scientists reveals that cut stump and basal bark herbicide application, as well as manual uprooting, were highly effective in killing the invasive tree, with success rates of 85-100%. Restoration interventions also showed promise, particularly those involving divots, mulching, and grass seed sowing.
A study by North Carolina State University researchers identified genes involved in the development of stone cells, which can block weevil feeding on budding branches. The findings could help breed genetically improved Sitka spruce trees resistant to the spruce weevil, a significant pest affecting forest giants.
Biotechnology holds promise for saving endangered tree species through a combination of traditional breeding approaches and innovative genetic engineering. The study emphasizes the need for public acceptance and regulators' support to harness biotech's potential.
UK schoolchildren aged 7-11 drew mammals and birds most commonly, with reptiles and amphibians appearing less frequently. The study suggests children's perceptions of local wildlife are skewed towards mammals and birds, hinting at a wider problem of nature disconnect.
Researchers created a model to forecast eucalyptus leaf health based on temperature data, explaining over 80% of observed damage. This approach has the potential to identify suitable planting regions worldwide.
A new method developed by the Max Planck Institute of Animal Behavior has counted Africa's largest bat colony using GoPro cameras and artificial intelligence. The estimate puts the colony at between 750,000 and 1,000,000 bats, making it the largest for bats by biomass anywhere in the world.
A new study reveals that some US truffle producers are accidentally cultivating winter truffles instead of European black truffles, a more valuable species. The researchers analyzed specimens from 10 anonymous truffle orchards and found that all but one were winter truffles.
New research using shoebox-sized satellites reveals that urban heat may not advance tree growing seasons as much as thought, contrary to previous studies. The study found that canopy composition drives variability in urban growing season length more than the heat island effect.
Farmers' use of birds and bats as part-time collaborators has been found to increase productivity by 54% and boost annual yields by approximately $959 per hectare. This partnership helps mitigate the damage caused by pests such as aphids and mealybugs, ultimately benefiting cacao farmers in northern Peru.
The Sooty Bark Disease, caused by Cryptostroma corticale, is a growing threat to European maples and human health. Researchers have developed a DNA-based diagnostic method to detect the pathogen in air samples using volumetric air samplers.
A new detection tool utilizing DNA-specific primers can identify the nematode species causing beech leaf disease in plant tissue, allowing for rapid and accurate monitoring of the disease. This breakthrough enables forest health professionals to track the spread of the disease more effectively and develop control measures.
An international research team has found that tree islands in oil palm plantations can significantly increase biodiversity within five years. This method also does not affect the yield of the plants. The study was conducted on an industrial-scale plantation in Indonesia and showed promising results for ecological restoration.
A new study published by the Smithsonian Environmental Research Center and The Nature Conservancy found that forests with diverse species are more likely to thrive, reducing the risk of planting failure. This diversity brings benefits such as pest and disease resistance, climate change resilience, and increased wildlife habitat.
Researchers have found that honokiol, a compound from magnolia tree bark, inhibits SARS-CoV-2 replication in several cell types, reducing infectious particle production. The compound also shows broad-spectrum activity against other highly pathogenic coronaviruses.
A new study led by University of Florida forest management researcher Victoria Donovan found that as woody plants like shrubs and trees replace herbaceous plants like grasses, spot fires can occur farther away from the original fire perimeter. This 'woody encroachment' increases the risk of structural damage and firefighter safety.
A study of 700 participants found that time outdoors doesn't always reduce smartphone screentime. However, visits to nature reserves or forests saw significant declines in screentime compared to urban locations. Participants who visited wilder areas spent more time disconnected from their smartphones and regained attention.
Researchers used hydrophones to record the sounds of Pando aspen grove's leaves and root system, discovering vibrations passing through the tree during a windstorm. The study challenges traditional concepts of individual organisms and has potential applications in nondestructive analysis of environmental systems.
Researchers found that mycorrhizal networks are essential for forest stability but not through sharing and caring among trees. The network works like a trading ground for individual trees and fungi, each trying to survive.
Researchers used fluid dynamics models to study the mountain pine beetle's flight, finding that wing shape, age, and size impact thrust production. This knowledge can improve statistical confidence levels for insect dispersion studies and help preserve pine forests.
Adding Amazonian dark earth to soils increases plant growth by 3-8 times compared to control soil. The nutrient-rich soil also supports a greater biodiversity of beneficial bacteria and archaea, which transform chemical particles into nutrients. This 'secret weapon' could help speed up forest restoration projects worldwide.
Scientists discovered that electrical signals in Laccaria bicolor mushrooms increased after rainfall, demonstrating signal transport among closely spaced mushrooms. The post-rain electric potential showed directionality and strengthened connectivity between spatially close fungi.
Researchers found that severe beech leaf disease infestation hurts trees' relationships with helpful root mutualists, ectomycorrhizal fungi. Trees with the most severe symptoms had over 65% less healthy fungi in their roots compared to those with mild symptoms.
A new study assesses the Amazon's response to drought, identifying the regions most vulnerable to climate change. Trees in the western and southern parts of the forest are at high risk due to rising temperatures and changing rainfall patterns.
A University of Alberta study finds that maintaining tree diversity in Canada's forests can significantly increase carbon capture and improve soil fertility. This conservation strategy can help mitigate climate change by storing more carbon and nitrogen in the soil over decadal time scales.
Researchers use camera drones and machine learning to track genetic and structural variations in slash pine trees. The study found the highest heritability for nitrogen and nonstructural carbohydrate content in July and March, indicating optimal breeding times.
Researchers found that honeybees use forests less than expected, with colonies traveling long distances to find food due to limited tree species diversity. A more diverse forest with insect-pollinated trees and shrubs can provide a balanced food supply throughout the season.
The concept of nature's chefs offers a new perspective on species interactions, highlighting the diversity of food-making and preparing species across the tree of life. This interdisciplinary approach aims to inform how people think about food across various disciplines.
A global survey of 1000 forest areas reveals how past climate change has impacted tree species diversity and distribution. The study found that temperature changes since the last ice age have had a significant impact on today's biodiversity.
A study found that savanna species in Cerrado biome produce significantly more bark than forest species to protect against frequent fires. This adaptation enables them to survive and regenerate after burning, highlighting the importance of controlled fire management in these ecosystems.
Researchers discovered that ambrosia beetles Xylosandrus germanus use the volatile compounds of their fungal symbionts to aggregate and potentially kill trees. This finding suggests a new method for biological control by targeting specific beetle species with trapping lures based on these compounds.
Researchers found that 89% of Dominica's trees sustained damage from Hurricane Maria, but only 10% were immediately killed. The study suggests that forests in hurricane-prone regions can resist extreme weather events due to their adapted structure and composition.
Residual carbon emissions are a major obstacle to achieving net-zero greenhouse gas emissions by 2050. According to University at Buffalo researcher Holly Jean Buck, the world must reach net-zero this century to limit temperature increase, but residual emissions pose significant challenges.
A new study by University of Utah researchers finds that US forests may lose carbon through fire, stress, and insect damage, compromising their role as a climate solution. The study suggests urgent need to update carbon offset protocols with best available science on climate risks.
A study found that ponderosa pine forests in California's Sierra Nevada will not recover to pre-drought densities, reducing atmospheric carbon storage. The forests' ability to store carbon is threatened by western pine beetle infestations driven by climate change.
Researchers are developing an alley cropping system to mitigate crop stress and promote soil fertility in organic vegetable production. The system involves planting trees between rows of vegetables, reducing heat extremes and improving biodiversity.
Researchers found that exceptional weather conditions over several years are turning European forests brown. Characteristic weather patterns, such as prolonged dry periods and high temperatures, precede these events, with a legacy effect contributing to future low-forest greenness.