Articles tagged with Mountains
Climate change could cause Western Hemisphere cloud forests to shrink and dry by 60-80% in as few as 25 years. The loss of clouds would nearly disappear the highly diverse alpine ecosystems above these equatorial cloud forests, known as páramo.
Researchers observed mountain gorillas gathering around the bodies of deceased group members, spending time in contact with their corpses, and even grooming them. These behaviors were surprisingly similar across different gorilla groups and suggest a complex understanding of death among these animals.
A recent study on Mount Kilimanjaro reveals that land use and climate interactions significantly impact tropical mountain ecosystems, resulting in reduced biodiversity and altered ecological functions. The research found that different elevation zones exhibit varying levels of change, with the savanna zone being particularly vulnerable.
EPFL researchers found that gas exchange velocity in mountain streams is on average 100 times higher than predicted using lowland stream data. This discovery has major implications for biogeochemical models and highlights the importance of accurate modeling of alpine ecosystems.
A new study published in Wilderness & Environmental Medicine found that a lower dose of acetazolamide (62.5 mg twice daily) was as effective in preventing acute mountain sickness symptoms as the standard prophylactic dose (125 mg twice daily). However, this reduced dose showed similar side effects with both doses.
A team of scientists has uncovered new evidence that suggests central Tibet was no higher than 2.3km with large lakes fringed by subtropical vegetation and deep valleys. The discovery uses ancient palm leaves to challenge previous estimates of the region's elevation.
Deforestation affects lizard populations differently in highlands compared to lowlands, with some highland species facing extinction due to the lack of suitable habitat. The study provides insights into the consequences of climate change and human land-use on biodiversity.
The UVA Health System is launching a program that uses telehealth to connect primary care providers in Appalachia with specialists to improve lung disease prevention, diagnosis, and treatment. Residents in the region have higher-than-average rates of lung cancer and COPD, and limited access to subspecialty physicians.
Researchers from NYU Abu Dhabi have identified a new frog species on Bibita Mountain in southwestern Ethiopia, characterized by its slender body, long legs, and golden coloration. The discovery highlights the importance of assessing biodiversity in remote areas and underscores the potential for numerous unknown species to exist.
A recent study calculates the ice thickness distribution and volume of over 215,000 glaciers worldwide, revealing that the combined ice volume currently stands at around 158,000 cubic kilometres. The largest glacier ice masses, primarily in the Arctic, account for nearly half of the global glacier ice volume.
A long-term study of mountain chickadees found that individuals with better learning and memory skills are more likely to survive their first winter. This is due to natural selection acting on the birds' spatial cognition, which enables them to find food caches made during previous winters.
Researchers used Curiosity's repurposed inertial measurement units to detect subtle variations in gravitational fields, contradicting the theory of a buried rock layer. The study suggests that Mount Sharp formed largely in its current form as a free-standing mound within Gale crater.
Researchers demonstrate fractal light creation using laser technology, confirming a long-held prediction. The discovery has potential applications in various fields, including imaging and medicine.
A recent study reveals that permafrost temperatures have risen globally, with continuous permafrost warming by 0.39°C and discontinuous permafrost by 0.20°C between 2007 and 2016. This increase in permafrost temperature has severe consequences, including the release of carbon dioxide and methane, which speed up global warming.
Solar panels can generate significant amounts of energy on snow-covered mountains with steep tilt angles. This study suggests shifting a large fraction of electricity production from summer to winter months without compromising total annual production.
Historical genomes of eastern gorillas show significant decline in genetic diversity and increase in harmful mutations. This decline may make them less able to adapt to disease outbreaks and environmental changes.
A study by the University of Wyoming research team found strong population genetic structure among California mountain lions, with some populations exhibiting extremely low levels of genetic diversity. This highlights the need for conservation efforts to prevent further fragmentation and ensure connectivity among habitats.
A study published in Ecology Letters found that edge populations of plants, such as yellow rattle, are better suited to surviving climate change. These populations have adapted to high-elevation summers by flowering earlier, allowing them to thrive in areas where lower elevation populations fail.
A recent study has found that European mountain bird populations have declined by as much as 10% in the 2000s, mainly due to climate change and changes in land use. The decline is particularly worrying for species that only inhabit mountain regions and are unable to live in other environments.
Researchers at UNH found unprecedentedly high levels of nitrate in streams and watersheds of Puerto Rico for a year after two consecutive major hurricanes in 2017. This excess nitrate may harm forest recovery and threaten ecosystems along Puerto Rico's coastline by escalating algal blooms and dead zones.
The study explores the Yanshan Movement's impact on eastern China's Jurassic stratigraphy, indicating a southward subduction of the Siberian Plate. The region experienced significant uplift during the Late Triassic period and underwent changes in biological assemblages.
Researchers analyzed mountain glaciers using satellite imagery and found that 4.4% of the glacier surface is covered in debris, with uneven distribution towards poles and steep mountain regions. The study provides a basis for future modeling of debris impact on ice and can inform monitoring efforts to mitigate effects on water resources.
The University of Cincinnati is studying landslides to improve public safety and understanding of these natural disasters. The research aims to add specific details on landslides to Nevada's map of known hazards, including areas prone to wildfires, flash-flood zones, and earthquake fault lines.
A new study reveals that tropical mountain species are highly adapted but also more susceptible to climate change due to their narrow niches and limited movement. This paradox creates a risk for these species as they cannot withstand large temperature shifts.
Researchers found that sheep grazing had a significant impact on the biomass of heath communities, but not on meadow or shrub landscapes. The study suggests that heath is the most attractive pastureland for sheep, leading to increased growth and nutrient input through defecation.
Researchers analyzed ancient animal bones using ZooMS to discover that people were herding sheep, goat, and cattle by at least 4300 years ago. This technique provides new insights into the human story across Central Asia and opens up a whole new world of archaeological research possibilities.
Research suggests that reduced Arctic snow cover due to climate change poses a significant threat to the region's biodiversity. Many plant species rely on snow cover for survival and are already endangered, making conservation efforts crucial. The study highlights the importance of addressing climate change to preserve northern nature.
A new study by Northwestern University researchers found that male mountain gorillas who spend more time with their group's children are more reproductively successful. The study suggests an alternative pathway to the evolution of fathering behavior in humans, where males may not necessarily know their offspring.
A newly-discovered moth species, Admetovis icarus, has been identified with a distinctive flame-shaped mark on its forewing. The moth prefers high-elevation habitats and can be spotted in the mountains of western North America during June and August.
The study found that mountain snowpack is vulnerable to climate warming, with a 20-40% decrease in above-average snow water equivalent for 1-2°C temperature increases. Regional variations were observed, with northern regions more susceptible than southern ones, affecting water resource management and wildfire activity.
Leaf fossils of Lilly Pilly trees found in the Snowy Mountains suggest a warmer climate with no winter snow around 20 million years ago. The discovery provides insight into the region's past vegetation and climate, with implications for understanding Australia's future weather patterns.
The High Plains landscape was formed 20 million years ago through geological uplift and erosion, resulting in a unique ecosystem with hundreds of thousands of ephemeral lakes. These lakes provide crucial breeding and wintering habitats for millions of birds and recharge the Ogallala aquifer, North America's largest groundwater reservoir.
A research team led by the University of Nevada, Reno will investigate how changes in mountain snowpack affect available water and agricultural production in the West. The project aims to inform decision-makers on adapting to long-term changes in runoff timing and develop more effective water management practices.
A team of researchers from five institutions will study the effects of changing mountain snowpack on water availability, agricultural risks, and economic impacts. The project aims to inform policymakers and farmers about adapting to fluctuating water availability and creating more resilient food systems.
A new study examines mountain gorilla foraging habits in Rwanda, highlighting the need to adapt local land use practices to mitigate human-wildlife conflict. The research reveals that accessing sodium-rich foods can lead to increased risk of hypothermia and crop damage, emphasizing the importance of reevaluating agricultural practices.
A new study on Ceres reveals that the dwarf planet's ice volcanoes generate an average of more than 13,000 cubic yards of cryovolcanic material each year. This amount is equivalent to filling a movie theater or four Olympic-sized swimming pools.
A study published in Frontiers in Ecology and the Environment highlights the dangers of peace in Colombia, where deforestation rates are surpassing those of Brazil, and climate change poses a threat to isolated mountain ecosystems. Mining activities also pose environmental problems.
New research found that for every one-degree-Celsius increase in temperature, mountaintop species shift upslope by 100 metres, resulting in shrinking inhabited areas and dramatic population declines. This supports predictions of extinctions among top species due to global warming.
A University of Montana researcher found that trees surviving a recent outbreak of mountain pine beetles had a distinct genetic makeup, differing from the susceptible population. This discovery suggests that resistance to the beetles may be heritable and provides hope for managing forest adaptation.
A new study reveals severe declines in mountain hare populations on Scottish grouse moors, with numbers decreasing by nearly 5% every year from 1954 to 1999. The decline accelerated dramatically between 1999 and 2017, with counts in 2017 showing less than one percent of original levels.
A new species of African pygmy toad was discovered on one of Angola's most underexplored mountains, the Serra da Neve Inselberg. The new species lacks ears and is distinct from its close relatives.
Climate change is projected to double rain-on-snow flood risk in the Sierra Nevada, Colorado River headwaters, and Canadian Rocky Mountains by the end of this century. This could lead to a 200% increase in localized flood risk and strain existing infrastructure.
Researchers at Oregon State University identified a previously unknown contact zone between the northern and southern Rocky Mountain lineages of American pikas. The discovery suggests that the subspecies are interbreeding, which has important implications for conservation and management.
A new study examines the impact of salmon poisoning disease on grizzly bears in the North Cascades and central Idaho. The research suggests that using bears with no history of salmon consumption may not be effective due to their sensitivity to the disease, complicating recovery plans.
Researchers found that the mountain beaver's ancestor had a larger relative brain size than modern-day mountain beavers. The study suggests that as the animal transitioned from living in trees to burrowing underground, its neocortex, responsible for sight, may have shrunk over time.
Researchers used Mars-inspired tools to map the Himalayas, revealing details about rock types and fault systems. The study used thermal infrared spectrum analysis to create colorful images of different rock types, providing new insights into the region's geology.
Researchers mapped the Pine Island Glacier's seafloor and found submarine mountains holding back the ice. The glacier's tongue lost contact with the ground, leading to its abrupt retreat.
A new study of 563 participants found significant differences in skin cancer risk among outdoor professionals, with mountain guides facing the greatest threat. The research highlights the need for tailored prevention efforts based on individual profession and environmental factors.
The mountain gorilla population in the Virunga Volcanoes has more than doubled over the past three decades due to concerted conservation efforts. A recent census found a minimum of 604 gorillas, representing a 26% increase from the previous estimate in 2010.
A new model reveals that mountain landscapes remain active due to variations in the strength of underlying rocks. This leads to the formation of waterfalls and changes in watershed divides, shaping the landscape over time. The study also found a link between mountainous landscape dynamics and the evolution of aquatic species.
Scientists use satellite radar imaging to pinpoint detonation site and yield of North Korea's latest nuclear test, which caused displacement and subsidence at the Punggye-ri nuclear test site. The research provides a detailed view of the site, including the explosion's impact on the mountain above.
The discovery of Palawanosorex muscorum, a unique mammal species found in the Philippines' Mt. Mantalingahan, sheds light on the country's rich biodiversity and the importance of protecting its 'sky islands'. The species' habitat is crucial for regulating water flow, which has significant implications for the local economy and population.
Researchers at Colorado State University found that measuring snow persistence can accurately map patterns of annual streamflow in dry regions. The study highlights the importance of broadening research beyond high-elevation snowpack to account for changes in lower-elevation snowpack that affect streamflow.
A new study by San Francisco State University researchers links the introduction of American bullfrogs to the spread of a deadly fungus that has wiped out over 200 species of amphibians globally. The team found that bullfrogs were often present in the same watersheds as the fungus, suggesting they may be contributing to its spread.
A new study published in Earth and Planetary Science Letters estimates Mercury's crust to be 16 miles thick and denser than aluminum. This finding supports the theory that Mercury's crust formed largely through volcanic activity, shedding light on the planet's formation.
A study found that the number of plant species on European mountain peaks increased by five times more than during the period 1957-66, and is accelerating due to global warming. The researchers believe that some specialized species will be outcompeted as warmer climates spread, but local conditions and microclimates play a role.
Researchers discovered a 500-million-year-old coprolite in the Ravens Throat River Lagerstätte, providing insight into the Cambrian food web. The fossilized feces of a primordial sea worm reveal its feeding strategy and predator-prey interactions.
Researchers have uncovered previously unknown reservoirs of trans-verbenol in juvenile mountain pine beetles, which could aid in predicting outbreaks. The study found that female beetles accumulate and store the pheromone during their larval and pupal stages.
Researchers found that mountain lions avoid humans when they're full, but as hunger increases, they may use backyards to hunt for food. Female mountain lions also avoid houses more than males, likely due to energy expenditure on rearing kittens.
The Alps boast an impressive array of lichens, comprising over 3,138 entries in the first ever comprehensive checklist. The publication sheds light on the ecology and taxonomy of these organisms, providing a valuable tool for research and further exploration.