Researchers estimated that recreation visits to Yellowstone produce over one megaton of carbon emissions per year, with an average of 479 kilograms attributable to each visitor. Despite this, the park's ecosystems still pull in around 1.5 megatons of carbon from the atmosphere each year.
A new study finds that Europe's forgotten forests have the potential to support high species diversity and resilience to climate change. The Eurasian aspen, a keystone species, is well-suited to thrive in these environments due to its ability to regenerate quickly and colonize new areas.
Dust storms enhance phytoplankton tolerance to thermal and pH changes, facilitating algae growth in mountain lakes. This experimental study highlights the impact of atmospheric dust on aquatic ecosystems.
A new study from Utah State University reveals that geese have a greater impact on Arctic ecosystems than previously thought, while reindeer only exert a smaller influence. The research found that goose grazing in concentrated patches leads to significant reductions in plant biomass and soil compaction.
Researchers analyzed satellite data on medium-sized and large wildfires in Utah from 1984 to 2022, finding that medium-sized fires had significant impacts despite smaller size. The study suggests that looking at these 'hidden' fires can help inform decisions on prescribed burns and predict future fire behavior
A study published in Ecology Letters reveals that global precipitation patterns, particularly seasonal variability, shape animal diversity. The research found that certain regions with moderate precipitation levels and stable climates have the ideal ecological conditions for a diverse range of predators and herbivores.
A recent study found that grasses account for over half of the soil carbon content across tropical savannas, including soils directly beneath trees. The researchers' findings suggest that increasing tree cover in these ecosystems has a negligible impact on soil carbon storage.
Researchers develop 'Human Appropriation of Net Primary Production' (HANNP) metric to accurately estimate human impacts on the earth's systems. This new approach starts at the source, measuring the total biomass produced through photosynthesis and comparing it to what humans have appropriated for their own use.
By analyzing satellite imagery and tracking net primary productivity, researchers aim to predict how ecosystems will respond to climate change. Their model suggests that the rate at which ecosystems adapt to changing conditions is a critical component to reducing uncertainty about future projections.
Researchers mapped strategies to minimize impact of mining on rare plants, finding that protecting 30% of threatened species can ensure long-term survival. The model optimizes energy project placement to balance space use and minimize harm.
The Great Salt Lake is losing freshwater input to agriculture and urban growth, causing salt concentrations to spike. Like Iran's Lake Urmia, it's reaching levels stressful for brine shrimp and brine flies, which are essential for migratory birds.
Researchers collaborated with livestock producers, natural resource managers, and university-based researchers to develop effective fencing designs that reduce wildlife conflicts and prioritize human safety. The study highlights the importance of integrating diverse knowledge and experience to inform fencing projects.
The Colorado River is facing a critical management crisis due to ongoing megadrought and climate change. Researchers propose policy changes, including Upper Basin consumptive use limitations and Lower Basin reductions, to maintain secure water supplies.
Great Salt Lake wetland plants can accumulate hazardous metal pollution, which can be passed up the food chain to herbivorous insects. This study found high concentrations of lead, mercury, and other metals in plant tissues, threatening terrestrial ecosystems.
A new analysis found that citizen science data from apps like eBird can be a valuable resource for researchers and managers, offering insights into wild bird populations. By comparing publicly-produced data with officially tracked numbers, researchers have identified patterns and potential areas for improvement.
A recent study found that community-based rangeland management projects in Namibia improved resource governance but had limited impact on environmental and economic outcomes. The projects aimed to increase household incomes and improve rangeland conditions through coordinated land use practices, but ultimately failed to achieve signifi...
Researchers found that big trees provide a doughnut-shaped zone surrounding them where snowpack can endure, benefiting forests with sparse precipitation. The study suggests conserving healthy and large tree species can help retain snow on the ground.
Researchers found that pelicans primarily eat native fish species like Utah sucker and chub, with only a small percentage of cutthroat trout consumed. This discovery provides managers with more insight into the ecological dynamics of the reservoir, allowing them to focus on other factors impacting trout populations.
New research outlines how climate change will shift the future of outdoor recreation in the West, with campsites becoming too hot, ski resorts experiencing fluctuating snowpacks, and rivers facing low water levels. The study provides activity-specific adaptation strategies to prepare for these consequences.
Bighorn sheep use a combination of past experience and visual information about habitat quality to make informed migratory decisions. The research found that these perception-informed decisions allow the species to better adapt to changing environmental conditions, increasing their chances of survival.
A new research model shows that optimistic decision-making leads to healthier circumstances and better access to food. Foraging animals that give mental weight to positive outcomes have an on-the-ground caloric advantage.
A new research synthesis suggests using tree ring data from forest inventory plots to estimate carbon sequestration in forests. This approach could provide a direct record of the carbon gained by individual trees and forests, scaling up to estimate forest-wide and continent-wide carbon savings.
A new study reveals that trees benefit from having more space, reducing competition and helping them recover from fire damage. By alleviating stress caused by neighbors competing for limited water resources, trees can fend off beetle attacks and heal after fire, increasing their chances of survival.
Native fish populations are declining due to lack of natural flow, making conservation efforts challenging. The study highlights the importance of protecting rivers with natural flow regimes to sustain native fish and their habitats.
A recent study used computer vision algorithms to analyze nearly 9,400 Flickr photos taken along Colorado's Front Range, identifying preferred outdoor landscapes with moderate accuracy. The algorithm performed well for images of water, structures, and agricultural lands, but struggled with forests. Combining social media data with on-s...
Aspen recovery in Yellowstone National Park has been found to be less robust than previously believed due to biased sampling methods. Random sampling of all young aspen within a stand revealed a slower rate of recovery compared to the five tallest young aspen, which were used in previous studies.
Researchers found that OHV drivers' motivations influence the routes they choose, with distinct patterns emerging for different groups. The study's findings can help managers predict which trails are likely to be used and craft targeted messages to promote responsible behavior and conservation-minded practices.
Researchers chronicle how Utah ski resort managers are adopting adaptive tactics to cope with decreasing snowpack, shorter seasons and worsening weather. Managers are exploring alternative revenue streams through activities like mountain biking and festivals.
Rising temperatures are projected to decrease outdoor recreation during summers by 18% over the next 30 years, but increase winter recreation by 12% in mid-century. This shift may lead to a decline in popular winter sports like downhill skiing and an increase in winter mountain biking.
Research from Utah State University finds that large trees in western forests benefit from mycorrhizal connections to fungi, which enhance nutrient uptake and provide defense against pathogens. Diverse forest networks offer greater protection for these giant trees.
A global study by Utah State University researchers suggests that plant-eaters, including megaherbivores, are the most at-risk group for extinction. Human activities have led to the disproportionate extinction of herbivores compared to predators since the late Pleistocene.
A US study reveals that only 21 of 159 endangered species are adequately protected by existing areas, highlighting the need to increase conservation efforts. Private landowners can play a vital role in achieving conservation goals through conservation easements.
A recent study found that birds in eastern North America are shifting their breeding ranges in response to climate change. Some species, such as Carolina wrens and red-bellied woodpeckers, may be resilient to future changes, while others, like Neotropical migratory birds, are experiencing range contractions. The research highlights the...
A new framework understanding how light and noise pollution impacts wildlife has been developed by worldwide experts in ecology and physiology. Sensory danger zones have been identified as areas where sensory pollutants influence animal activity, posing a threat to imperiled species and urban wildlife.
The researchers propose a strategic approach to conservation, focusing on keystone ecosystems that support large numbers of dependent species. This mega-conservation approach has the potential to enhance biodiversity and facilitate effective global-scale conservation efforts.
Researchers are studying how environmental changes lead to migration and how migrants impact landscapes both at their destinations and origins. Climate change, deforestation, and socioeconomic inequalities are key drivers of this complex relationship, according to Claudia Radel, a geographer and migration researcher.
Researchers review environmental conditions leading to harmful algal blooms in rivers, lakes, and coastal oceans, highlighting the impact of agricultural, urban, and industrial activities on water quality and biological resources.
A new study found that elk in northern Yellowstone avoid both cougars and wolves by selecting specific habitats. The research highlights the importance of considering multiple predator species when studying prey populations and ecosystems.
US National Parks produce a staggering 100 million pounds of trash each year, with managers seeking ways to divert recyclable materials and reduce overall waste. Key findings from recent research include the importance of moral norms and perceived difficulty in influencing visitor behavior.
Agricultural pesticides reduced aquatic insect biodiversity but increased mosquito density, particularly for the pesticide-resistant Wyeomyia abebala. Pesticide use led to the loss of predators, allowing these mosquitoes to colonize habitats without competitors.
Elk exhibit minimal avoidance of wolves due to philopatry, returning to familiar foraging areas despite small risk of predation. The study's findings suggest that wolves have negligible impacts on elk movements, contradicting previous theories.
A new book review clarifies the rewilding concept as an adaptive approach to regaining wildness in degraded ecosystems. The authors highlight similarities and differences between methods and discuss how they work in practice.
Historically, 4-12% of western US land burned annually, while current trends underestimate future risks. Climate-driven drying and excess vegetation have led to low wildfire rates, shifting assessment towards inevitable future fires. The authors highlight the need for more widespread effective management strategies.
Researchers at Utah State University found that brucellosis causes a substantial decline in the probability of pregnancy among young adult elk. The disease has previously hidden consequences for the wild elk population, highlighting the need to quantify its effects on reproduction.
The Pando aspen clone, widely considered the world's largest single organism, is in grave need of forest triage. The study reveals that early protection from fencing showed great promise in abating browser impacts, but follow-up fencing efforts are currently failing.
Researchers combined NASA satellite imagery with wildlife surveys to model the effects of plant productivity on mule deer and mountain lion populations. They found that prey and predator abundance both increased with plant productivity, leading to potential conflicts with humans.
A study found that Yellowstone wolves primarily hunt at dawn and dusk, allowing elk to access risky areas during nightly lulls. This challenges the idea that predators create a 'landscape of fear' in prey populations.
The largest 1% of trees in mature forests worldwide comprise 50% of forest biomass, according to a global study. The size of the largest trees is crucial for forest structure and carbon storage, with big trees providing unique habitat and strongly influencing their surroundings.
Research led by Dr. Soren Brothers found that Lake Superior absorbs atmospheric CO2 from May to October, but expels it during winter due to El Niño events and climate change. The study, published in Limnology and Oceanography, suggests a potential marine-atmospheric feedback loop with global warming.
Researchers used thousands of observations to find that sagebrush grows at cold sites after warm years but dies at hot sites. The study predicts that populations may decline in warmer areas but increase in colder areas.