Articles tagged with Forests
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A census of medium and large mammals found in 22 forest remnants surrounded by sugarcane plantations in São Paulo State, Brazil revealed that 90% of expected species were recorded. The study found rare animals such as the giant armadillo not present, but generalist species like white-eared opossums adapted to disturbed environments.
Herpetologists have discovered a new amphibian species, Ophryophryne elfina, in the highlands of Langbian Plateau in southern Vietnam. The smallest known species of horned mountain toad, it has distinctive small horn-like projections above its eyes and inhabits wet subtropical evergreen forests at high elevations.
A study published in PLOS ONE found that Myanmar's intact forest cover declined by 11% between 2002 and 2014, with a significant loss of 2 million hectares. The researchers suggest prioritizing protection of intact forests and exploring alternative sustainable forest management practices.
A new study published in New Forests finds that the American chestnut rescue effort will eventually succeed, but at a slower pace than anticipated. The research team reviewed decades of breeding records and transgenic experiments to conclude that it is just a matter of time before blight resistance is achieved.
A new estimate suggests that dryland forests, which cover 40% of the Earth's land surface, are more extensive than previously thought, with an additional 467 million hectares reported. This increase in forest area increases current estimates of global forest cover by at least 9%
Scientists have created a global map measuring the cooling effect of forests by regulating water and energy exchange between the Earth's surface and atmosphere. This new statistical model allows communities to pinpoint ideal locations for forest protection or reforestation efforts.
A leading conservationist warns that failing to celebrate conservation successes can lead to complacency and reversal of progress. Recent examples of species recoveries, such as the Brazilian golden lion tamarins and giant pandas, demonstrate positive shifting baselines in nature's recovery through conservation.
Researchers found that shale-gas development leads to significant forest fragmentation, particularly on private land. To mitigate this, they recommend placing new well pads near pre-existing pipelines and consolidating infrastructure.
Research by Indiana University geographers reveals a 15% increase in annual water yield resulting from forest damage caused by the hemlock woolly adelgid. The study highlights concerns about water quality as rainfall runs off more quickly, carrying higher concentrations of nutrients.
Researchers found that Sapporo mai-mai snails live longer in trees due to fewer predators and better food sources. Tree-dwelling snails also eat epiphytic lichens and mosses, unlike ground-dwelling counterparts.
A study by Michigan State University researchers found that allowing livestock to graze amidst protected wildlife disrupts their survival. Wildlife reacts differently to livestock invasions, requiring diverse policies for each species.
Research highlights trees' crucial role in retaining water and producing cooling moisture, enhancing food security and climate change adaptation. The study suggests a new perspective on the relationship between trees and water in addressing climate change.
Zoologists at the University of Basel and Lund University found that spiders kill an enormous number of insects worldwide, with estimates ranging from 400-800 million tons per year. This has significant implications for maintaining ecological balance in nature.
A new study reveals that plants domesticated by pre-Columbian peoples are more likely to dominate Amazonian forests, with 85 species showing significant impacts from past human influence. The research suggests a lasting impact of human activities on plant distribution and could aid in uncovering unidentified areas of past civilization.
Scientists call for transparent and credible data to track the real mitigation potential of forests. Forests are expected to contribute up to 25% of global greenhouse gas emissions reductions by 2030.
A new study found that 28 of South Africa's 57 forest-dwelling bird species are declining in range, while 22 species are increasing. The data from the Southern African Bird Atlas Project indicates a link between deforestation and habitat loss, with smaller bird species more vulnerable to extinction.
A new study found that Colorado's wildfire-stricken forests are not regenerating as expected, with only 2-38% of plots showing abundant regeneration. Climate change is expected to hinder further recovery, particularly in hotter and drier areas.
A study by University of California - Davis scientists found that trees growing in already dry areas are most susceptible to drought. Dense forests in the driest regions are at risk of mass mortality during extreme droughts, which can take years to surface.
A study by the University of Southern Denmark reveals that Thurøbund's protected and productive bay stores a record amount of carbon, with an average of 27,000 grams per square meter. This exceeds global estimates of seagrass meadow storage, highlighting the importance of preserving these ecosystems.
A long-term biodiversity project has provided detailed distributional and abundance data for 286 arthropod species, including many new species descriptions. The data has inspired studies on macroecology, conservation priorities, and extinction debt in the Azores.
A study in California found that high-severity wildfires hinder natural conifer regeneration, with only 60% of plots showing seedling growth five to seven years after fire. A new tool developed by researchers can help foresters prioritize which lands to replant and when.
New research suggests that global warming could slow the upward migration of certain subalpine tree species, such as Engelmann spruce and limber pine. The study found that warming can harm young trees even in their first year, reducing seedling survival rates at all three elevations.
Researchers at MIT have developed a fast and precise printing process that can fabricate electronic surfaces for a wide range of applications. The team has created stamps made from carbon nanotubes that can print electronic inks onto rigid and flexible surfaces, enabling the creation of high-performance, fully printed electronics.
Scientists have discovered a new dominant ant species in Ethiopia displaying signs of supercolony formation, expanding rapidly into disturbed habitats and potentially posing a global threat. The species, Lepisiota canescens, exhibits characteristics reminiscent of invasive species, including high densities and ecological dominance.
A group of conservation scientists and policy makers are calling for global action to stamp out illegal timber trade. The trade, worth US$30-100 billion annually, accounts for between 15-30% of the global timber market and contributes to forest degradation and loss of biodiversity.
A global assessment of kelp ecosystems reveals surprising resilience, but also regional variability in long-term responses requiring local management efforts. Kelp forests are critically important habitats that can recover quickly from damage, yet still face overwhelm from global and local pressures.
Multiple wildfires are currently burning across several states in the southern United States, including the Boteler, Maple Springs, Tellico, Party Rock, Chestnut Knob, Rough Ridge, and Rock Mountain fires. The largest fire, the Rough Ridge fire, has burned over 19,411 acres in Georgia's Cohutta Wilderness Area.
Research reveals that warming ocean temperatures and increased fish populations are destroying kelp forests off the NSW north coast. The study found that over-grazing by fish can lead to kelp deforestation and barren reefs, posing a significant threat to marine ecosystems in Australia and globally.
A UT researcher is leading a $3-million grant to develop a user-friendly interface for recording and sharing tree genomic data. The project aims to create an ecosystem of community databases for analyzing tree genomics data, providing tools for researchers and promoting public awareness of healthy trees.
A global assessment of forests reveals a 10% decrease in tree species richness leads to a 2-3% decline in biomass production. The study estimates the value of biodiversity in maintaining commercial productivity at $166-490 billion, far exceeding conservation costs.
A team of 90 institutions from 44 countries found that forests with many tree species are more productive than those with few, providing an estimated USD$166-490 billion in annual economic benefits. This discovery highlights the need for a re-assessment of biodiversity values and conservation priorities.
The spread of European earthworms is altering the physical and chemical properties of North American soils, disrupting symbiotic relationships between plants and fungi. This has led to a decline in species diversity, with many native plants threatened by the invasion.
A recent study suggests that the arrival of browsing medium-sized antelopes in Africa was a key factor in replacing ancient forests with open savannas. The researchers found that thorn trees evolved around the same time as antelope, coinciding with the diversification of spiny plants and the opening up of forests to grass invaders.
A new study finds that earlier snowmelt periods hinder forest carbon regulation, reducing CO2 uptake by 45% by mid-century. Earlier snowmelt also affects streamflow, agriculture, and recreational opportunities in the western US.
Researchers found that seawalls higher than 5 meters reduce damage and death from tsunamis, while coastal forests also play a protective role. The analysis showed a significant decrease in destruction rates with increased seawall height and a reduced risk of death and destruction in areas with extensive coastal forest coverage.
A Duke University-led study finds that 42% of Southeast Asia's endemic species face a higher risk of extinction from habitat loss than previously thought. Over 200 newly identified species are not currently listed as threatened or endangered by the IUCN.
A new study finds that earlier snowmelt periods associated with a warming climate may hinder subalpine forest regulation of atmospheric carbon dioxide. The findings predict a 45% reduction in snowmelt period forest carbon uptake by mid-century.
Researchers at MIT have developed a method to reinforce composite materials using carbon nanotubes, resulting in substantially stronger and more resistant materials. The stitched composites were found to be 30% stronger and withstood greater forces before breaking than existing composite materials.
New research from North Carolina State University and USGS reveals that meeting bioenergy demands involves trade-offs regarding wildlife habitats. The specific mix of biomass sources used can shape ecosystems, especially in forests with high biodiversity.
A new study published in Fire Ecology chronicles the history of forest fires in Oklahoma and Tennessee to determine their importance in maintaining forest health. Researchers found that forest fires are vital for maintaining healthy ecosystems, with some areas experiencing higher fire frequency than others.
A new study reveals that Siberian larch forests are still thriving in the Northern Russian permafrost despite rising temperatures, indicating a slow adaptation process that can take thousands of years. The research suggests that colder ice ages have delayed vegetation adaptation to warmer climate periods.
Researchers discovered two groups of brown bears in Turkey, one migrating between feeding and breeding sites, while the other stayed in a city dump all year round. This study highlights the impact of human-caused habitat fragmentation on bear behavior and conservation strategies.
The Bavarian Alps have seen a 14% decline in topsoil organic matter over the past three decades, primarily caused by climate warming. Implementing humus-promoting forest management can help mitigate floods and preserve soil fertility, water balance, and nutrient supply.
A new study reveals that beech trees in central Europe, particularly in southern England, are increasingly vulnerable to drought due to climate change. The research found that the region's iconic beech woods are at risk of widespread mortality during extreme dry spells.
Research finds water yields from unmanaged forested watersheds in the southern Appalachian Mountains declining due to climate change and gradual shifts in forest structure. The study's findings have implications for managing forest composition to ensure water supply under future climate change.
Researchers at ANU found that New Zealand possums prefer leaves with high available protein content to eat, which can help limit their impact on native forests. This knowledge could inform targeted control programs to manage the possum population and protect sensitive tree species.
Research reveals that tropical cyclones in the southeastern United States increase forest photosynthesis and growth, capturing significant amounts of carbon from the atmosphere. This effect significantly exceeds carbon emissions from American vehicles each year.
A study at Penn State's Deer Research Center found that deer prefer certain non-native invasive plants over native species, contributing to their spread. This preference is driven by plant species' palatability and growing season, suggesting a crucial role for deer in shaping plant community assembly.
A study by Michigan State University found that residents with ocean views experience significantly lower levels of psychological distress compared to those with green space. The researchers suggest that blue spaces may have a calming effect on the mind, while human-made areas in green spaces may not.
Researchers Warren Savary and Rob Bryson have discovered a new species of scorpion in the Sierra Nevada foothills, related to several previously described species from California. The discovery highlights the state's vast and underexplored biodiversity, with many scorpion species remaining to be described.
The University of Leicester is launching a satellite project to monitor Kenya's forests in near real-time, helping forest land owners and national agencies protect biodiversity and reduce climate change. The project aims to support participatory forest management strategies and enable Kenya to manage its forests more sustainably.
Researchers use AI and game theory to improve anti-poaching patrols, reducing poacher activities per kilometer and saving time and energy. The system also incorporates complex terrain information and natural transit paths to create practical patrol routes.
A warmer climate could lead to higher growth and productivity on US national forests and grasslands, but at the cost of reduced freshwater yields. The study projects a 4-7% decrease in water yield by 2100, with the most severe declines in the Northwest, West North Central, and Southwest regions.
Researchers found three tree physiological traits significantly predict drought mortality, related to hydraulics. Trees with lower hydraulic conductivity and safety margins are more susceptible to embolism and death. This study can help forecast tree deaths in drought and inform climate change mitigation strategies.
Researchers found trees exchange large quantities of carbon among different species through mycorrhizal fungi. This discovery questions the concept of tree individuality and adds a new dimension to the role of these fungal networks in forests.
A new Duke University-led study uses mapping software to track threats to endangered species, pinpointing areas for conservation. The San Martin titi monkey's habitat has been fragmented due to farming, logging, and urbanization, with nearly 95% of remaining habitats too small or poorly connected to support viable populations.
A global network is being set up to use surveillance camera networks and drone data to track changes in trees' growth patterns. Researchers will be able to access time-lapse image data to better understand how climate change affects forests worldwide.
Research assistant professor Ezra Wood will investigate nighttime atmospheric chemistry of wildfires and their effect on climate. The study aims to quantify hydrogen oxide radicals and understand how long compounds last in the air.
Researchers recorded footage of wild Bawean warty pigs using camera traps to estimate population size and habitat preferences. The findings suggest the species is endangered due to low population density and habitat loss.
Researchers suggest targeting over-exploitation of resources like forests and fisheries by partitioning ecosystems into specialized harvesting niches. This approach could lead to higher sustainable quotas and productive industrial systems.