Articles tagged with Trees
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The study found that Moringa leaves contain 30 times more iron and 100 times more calcium than spinach, making them a rich source of essential nutrients. The tree's roots and stem parts also exhibit anti-inflammatory and antioxidant properties, highlighting its potential as a superfood.
A study by Simon Joly and Elizabeth Wolkovich found that a plant's genetics can be used to accurately predict when its leaves will burst bud in spring. The research showed that genetic differences between individual specimens within a species affect how well they adapt to climate change.
Researchers mapped eight tree species in Forest Park using satellite imaging data and machine learning techniques. The data will help inform best practices for managing healthy green spaces and trimming programs to avoid power outages following storms. By analyzing tree health and species, experts can track growth rates and identify tr...
A new study predicts that Ash dieback will have a devastating impact on the UK's economy, with estimated costs of £15 billion over the next decade. The disease is expected to kill 95-99% of ash trees in Britain, leading to significant losses in ecosystem services such as water and air purification and carbon sequestration.
A study reveals that nearly half of protected areas face staffing shortages, affecting conservation progress. Meanwhile, researchers identify remote high-elevation areas with ancient trees in China. Fuel breaks aim to prevent wildfires but may create new problems, such as altering predator migration routes.
A study analyzed 57 indigenous communities' knowledge of palm trees, revealing that the network is fragile and minimal loss has significant consequences. The researchers highlighted the importance of cultural factors and transdisciplinary collaboration to strengthen indigenous resilience.
The annual Winter Study report chronicles the effects of wolf reintroductions on the island's ecosystem, with 13 new wolves and 20 radio-collared moose providing valuable data. Researchers expect a slowing down of moose population growth due to severe vegetation damage, while wolf pups may be possible this year.
A new detection tool has been developed to identify quarantine tree pathogens, reducing analysis time and enabling prompt reactions. The tool can be used by non-scientists and is crucial in preventing the spread of devastating pathogens like Xylella fastidiosa, Ceratocystis platani, and Phytophthora ramorum.
Research reveals coffee plantations host nearly as many bird species as forests, with shaded areas providing double the number of forest specialist birds. However, overall bird populations decline, highlighting the need for large primary forest reserves for conservation.
Researchers found that plants and microbes forge symbiotic relationships to gain access to nutrients, leading to the dominance of specific tree species in different biomes. This understanding can help predict how ecosystems will shift in response to climate change.
A study published in Biological Conservation highlights the importance of tree dens for pandas raising infants in native habitats. Tree dens provide a more stable microclimate than cave dens, facilitating offspring survival. This research emphasizes the need to preserve large old trees for giant panda conservation.
The study found a shift towards arbuscular mycorrhizal (AM) trees in the eastern US due to climate change, increased nitrogen deposition, and fire suppression. This change can accelerate nutrient cycling, potentially affecting carbon storage in North American forests.
A UMass Lowell expert is studying how much mercury accumulates in forests to reduce the pollutant worldwide. The research team measures forest soils and watersheds to understand mercury cycles.
Genomic data from two hickory species suggests that one species survived in a northern microrefuge and expanded to its current range from a southern origin. Phylogeography analysis indicates that the species retreated southward as ice sheets advanced, aiding climate shift responses.
Researchers found that spotted lanternflies create level or gradually descending straight-line flight paths, averaging 75 feet in length. The insects tend to orient strongly to nearby visual landmarks and begin feeding immediately after landing.
Researchers used genomic data to estimate the precise location of ice-age refugia for two hickory species, finding evidence of northern microrefugia. The study suggests that some trees likely survived farther north and closer to the ice sheet than previously believed.
Researchers at the University of Córdoba have sequenced the Holm oak transcriptome, providing insights into the tree's reactions to stress and other biological aspects. The study has generated over 34,000 annotated transcriptions, offering a first approximation of the genome and potential for future research projects.
A new study uses dendrochronology and historical survey to investigate the effects of human populations on Amazonian forests. The research reveals that pre-colonial populations left lasting imprints on the region's forest structure and resources.
Researchers uncover six distinct genera and over 60 species of wood-boring clams, revealing their unique diet and importance in the ocean's carbon cycle. The discovery sheds new light on these tiny creatures' role in shaping the deep-sea ecosystem.
A University of Delaware study found that certain native tree species provide better food resources for insects and attract migratory birds to coffee farms. Shade-grown coffee farms can serve as habitat refuges for wildlife, improving farm productivity and biodiversity.
A study found that urban bats' responses to artificial light vary across species, seasons, and lamp types. Tree cover mitigates the negative effects of light pollution on bat activity, allowing some species to thrive in areas with high tree density. However, most species are repelled by street lamps, regardless of UV emission.
Researchers identified over 200 heritage apple cultivars planted in Wyoming's homesteads and orchards from the late 19th century. These historic trees continue to produce fruit despite harsh conditions, suggesting they could be used for breeding programs to improve drought- and cold-tolerance.
Researchers at Penn State are developing a system using unmanned aerial vehicles and ground-based robots to monitor air temperatures and provide targeted heating to protect crops from frost damage. The project aims to minimize energy use while maximizing precision in frost protection, with the goal of reducing economic losses for growers.
A broad-scale study found a significant relationship between tree diversity and nonnative pest invasions. High tree diversity reduces pest invasions by creating ecological niches that make it harder for pests to find resources, while low diversity increases the risk of invasion. The study's results have important implications for fores...
A recent study suggests that trees are essential for mitigating the urban heat island effect, with 40% canopy cover required to trigger significant cooling effects. The research found that even small increases in tree density can lead to substantial reductions in temperatures, making tree planting a key strategy for city planners.
A new study finds that Hurricane Maria's damage to trees in Puerto Rico was unprecedented, with big, old trees suffering the worst. The study suggests that more frequent storms whipped up by a warming climate could permanently alter forests across the Atlantic tropics.
A national-scale study found that high tree diversity in the US is associated with a greater number of nonnative pests, but this relationship depends on the pest's specialization. The study used two large datasets and found a hump-shaped curve between tree diversity and pest diversity.
The Blue Brain Project has developed an algorithm to objectively classify the shapes of neurons in the brain, enabling the creation of a standardized taxonomy of all brain cells. This breakthrough resolves a century-old neuroscience problem and provides a reliable comparative method for researchers.
A University of Colorado Boulder study found that gender quotas in local governing bodies can significantly reduce global deforestation and greenhouse gas emissions. When offered financial incentives, groups with gender quotas conserve more trees than those without quotas, even when men are present in decision-making roles.
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.
In tropical rainforests, plants produce unique defense chemicals to evade insect-eating predators, promoting biodiversity. A study found that nine Inga tree species developed distinct defense strategies, leading to a diverse forest ecosystem.
A study in Panama's rainforest reveals that neighboring trees have different defensive traits and herbivores, impacting growth and survival. This finding suggests that climate change or habitat fragmentation will affect rainforest health.
Researchers used Thoreau's observations to study the effects of climate change on tree leaf-out and wildflower emergence. The study found that wildflowers are now leafing out earlier, while trees are leafing out later, potentially hindering wildflower abundance.
A new species of frog, Astrobatrachus kurichiyana, has been discovered in the Western Ghats mountain range in southern India, revealing a window into the region's deep history. The Starry Dwarf Frog shares ancestry with two existing subfamilies but exhibits divergent characteristics.
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.
Researchers suggest that coffee farmers can maximize their profits by adopting shade-growing practices, which provide ecosystem services and reduce the need for agrochemicals. This approach can result in higher quality coffee beans with a price premium, offsetting lower yields.
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 found that microbes specialize at the genotype level, promoting diversity by killing common species and making room for rare ones. This leads to increased seed dispersal, creating landscapes that allow pathogens to effectively promote diversity.
A new study explores how climate-driven evolution in tree populations changes their interaction with the soil environment, leading to reduced genetic variation and altered soil microbiome. Warmer temperatures result in earlier bud break and leaf-out, reducing genetic variation and affecting soil microbial communities.
A study by NC State University found that urbanization and scale-insect abundance, rather than latitudinal warming, are key drivers of tree health in cities. In the Southeast US, cities at mid-latitudes showed poorer tree health due to high volumes of tree-destroying scale insects.
A new technique uses Liebig's Law to improve estimates of historical temperature and rainfall from tree rings. The method selects trees that were growing well, linking their growth to the climate they experienced, resulting in more precise measurements.
Researchers discovered that paper mulberry tree evolved complex flavonoids to attract nitrogen-fixing bacteria, promoting healthy growth. This symbiosis has led to the development of high-quality feedstock, medicine, and food products.
Researchers at Oregon State University are studying the burning behavior of live fuels to better predict wildfire spread. The team aims to identify key factors driving differences in burning behavior, enabling more accurate fire models for Department of Defense managers.
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.
Red alder trees have been found to tap nutrients from bedrock through their symbiotic relationship with nitrogen-fixing bacteria. This process accelerates rock dissolution, releasing mineral nutrients that allow plants and trees to grow. The study highlights the importance of nitrogen-fixing trees in sustaining forest ecosystems.
A team of international scientists and conservationists has successfully rediscovered the world's largest bee, Wallace's giant bee. The species was lost to science since 1981 but has been found in Indonesia, where it is threatened by forest destruction.
Researchers found that many bird species responded positively to the climate conditions associated with the drought, potentially offsetting negative habitat impacts. The study's results suggest that birds may be more resilient to temperature increases than previously thought, but also highlights the need for further research on their r...
Researchers created a complete world map of tree species richness using a statistical model that combines patchy data from small forest plots and country-level information. The analysis shows that climate is the most important factor driving global biodiversity, with the highest number of tree species found in hot, humid tropics.
Research at the University of Birmingham reveals that young forests are a substantial contributor to the world's carbon sink, accounting for around 25% of total carbon dioxide absorption. These forests, typically in temperate zones, have been re-growing on land with previously experienced human activities.
A WVU geographer and her team will study the movement of a westerly wind belt circling Antarctica that influences Southern Hemisphere climate, carbon, and heat uptake. The project utilizes data from tree rings in Tasmania and ice cores from Antarctica to reconstruct the history of this wind belt over the last 2,000 years.
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.
Researchers found that despite reports of big trees being more vulnerable to drought, small trees in open areas lost leaves, while shaded trees surprisingly added leaf area. This response is dependent on environmental conditions imposed by the rainforest's structure.
Researchers uncover potent and selective inhibitor of SHP2, a key target for cancer treatment. The discovery could lead to improved cancer drugs and new strategies for killing cancer cells.
A study published in Science Advances reveals that trees are becoming more water-limited as the climate warms, with changes most evident in northern climates and high altitudes. The research found that tree growth has shifted from being temperature-limited to being water-limited over large areas.
A Tanzanian forest will be protected after major scientific discoveries revealed the need for conservation. The Magombera Forest was under threat due to charcoal production and wildlife poaching, but a conservation programme helped reduce deforestation and increase biodiversity.
A new disease is killing beech trees in Ohio, Pennsylvania, and Ontario, Canada, causing dark-green bands on leaves and leading to tree death. Researchers are searching for a microbe or insect cause, using molecular techniques to compare DNA and RNA from diseased and healthy trees.
A team of Nottingham scientists is using drones to survey woody climbing plants and better understand how they may affect the carbon balance of tropical rainforests. The findings have been published in the Journal of Applied Ecology, highlighting the potential problems caused by lianas and their impact on global warming.
Researchers found trees changing their wood anatomy in response to drought, with some species developing smaller water-carrying vessels. This adaptation allows mature rainforest trees to conserve water during extended dry periods.
A new study warns against mega-dams in lowland tropical forest regions due to their impact on biodiversity and ecosystems. The Balbina Hydroelectric Reservoir system in the Brazilian Amazon showed that tree communities on islands are 'unstable' and prone to extinction.
A study by University of Vermont researcher Christine Carmichael found that nearly 25% of eligible Detroit residents rejected the city's tree planting program due to negative past experiences with street trees. The opposition was primarily driven by concerns over maintenance responsibilities and lack of decision-making power. The resea...