Articles tagged with Wilderness
Researchers tracked 69 ravens and 20 wolves across Yellowstone National Park for two and a half years, finding that ravens knew where to go without cues from wolves. Ravens were spotted at nearly half of observed wolf kills within seven days and made beelines to common kill sites.
A study by the University of Göttingen explores how people experience nature in protected landscapes, finding that these areas foster local identity, support learning about nature, and provide spaces for recreation. The research identified five central narratives: learning, regional heritage, care, multifunctional use, and collaboration.
Researchers have identified three new species of tree-dwelling toads from Africa that skip the tadpole phase and give birth to live toadlets. This rare reproductive strategy is found in less than 1% of frog species, making these toads exceptionally interesting.
The Rhisotope Project uses low-level radioactive isotopes in rhino horns to track and intercept trafficked horns, aiming to disrupt the illegal trade. Researchers have confirmed the process is safe for animals and effective in making horns detectable through international customs systems.
A new analysis reveals that religion, politics, and war can drive evolutionary changes in urban wildlife, leading to population differences and genetic drift. The study's findings have implications for city planning and management, highlighting the need for researchers to record changes as they happen using digital technology.
Researchers used anonymized GPS data from smartphones to monitor how wildlife reacts to people, highlighting the potential of human mobility data in tracking human-wildlife conflicts. The study's findings can inform conservation planning, help protect animals and wild spaces, and ensure that recreational activities are done responsibly.
A recent study found that women are more metabolically efficient under extreme conditions, closing the performance gap with men. Women's greater fat mass may contribute to this advantage, enabling them to complete longer distances without burning out.
Researchers propose a shift from preserving static conditions to embracing natural ecosystem processes like wildfire. This approach aims to maintain drought- and fire-resilient forest conditions, counteracting the 'backfire effect' of suppressing natural disturbances.
Researchers interviewed 29 older Australian women travellers, finding they report better wellbeing, less stress and improved health due to the travelling lifestyle. Many face challenges but find them empowering, leading to a greater sense of self-knowledge and confidence.
Large-scale declines in African elephant populations have been confirmed over 53 years of survey data. Forest elephant populations decreased by 90%, while savanna elephant populations fell by 70%. The study, published in Proceedings of the National Academy of Sciences, provides a comprehensive assessment of African elephants and highli...
A study sequenced the genomes of nearly 300 rabbits to understand their colonization success. Researchers found that domestication-linked genes are often eliminated in feral populations due to natural selection, leading to a mix of domestic and wild origin. This helps explain how domestic animals can thrive in the wild.
Rewilding efforts in Europe could help countries meet conservation goals with 70% of opportunities in colder climates. Passive and active strategies are proposed to create self-sustaining ecosystems.
A research team finds that local community members are indispensable partners in enhancing community engagement in repairing damaged ecosystems. Local values and attitudes play a crucial role in promoting sustainable ecosystem management practices.
Human disturbance disrupts leopard-hyena competition, favoring hyenas. The study shows that male leopards retain dominance over hyenas but female leopards change behavior due to size disadvantage. Human expansion poses threat to leopards' survival and ecosystem balance.
Researchers identified 16,825 Conservation Imperatives covering 164 Mha, which could prevent all predicted extinctions if adequately protected. Protecting these sites would cost approximately $34 billion per year and represent less than 0.2% of the US GDP.
Researchers found a more diverse range of microbiota in grey squirrel guts, which may improve their health and immunity. This difference could be linked to the destruction caused by grey squirrels' broad diet, including tree bark, a previously unknown trait.
The American Institute of Biological Sciences has selected three winners in its 2023 Faces of Biology Photo Contest. The competition aims to communicate the process of scientific research through photography and showcase biological research in various forms and settings.
A UC Irvine-led team has developed a method to produce farm-free food by synthesizing dietary fats through chemical and biological processes. This approach could significantly reduce greenhouse gas emissions and preserve natural ecosystems.
Researchers predict that 76% of newly suitable land at high latitudes is currently wilderness, equivalent to 10% of the total wilderness in these areas. As global temperatures rise, wilderness areas may be significantly harmed by agricultural expansion.
A study projects 2.7 million square kilometers of wilderness becoming newly suitable for agriculture over the next 40 years, threatening precious areas of biodiversity and cultural value. The research emphasizes the need to cut emissions and use farmland more efficiently to meet growing global demands.
A new synthesis paper presents opportunities for prescribed fire in wilderness areas to restore natural qualities and honor human relationships with the land. Experts agree that deliberate restoration of fire can increase ecosystem health under more predictable conditions.
A recent study by the University of Bologna reveals that the EU is far from meeting its goal of protecting 10% of its land area for biodiversity. The study found that many countries have inadequate protection in place, with some having very few protected areas and others failing to implement integral protection in national parks. To ac...
The Clarion-Clipperton Zone is home to an estimated 5,578 different species, with 88-92% of them entirely new to science. Researchers have discovered a variety of unique species, including sea cucumbers, nematodes, and sponges.
Current measures to protect grasslands in the Qinghai-Tibetan Plateau are damaging the ecosystem and should be stopped. Small burrowing mammals, like the plateau pika and zokor, play crucial ecological roles in maintaining ecosystem health and biodiversity.
A new study from the University of Georgia found that Joro spiders, despite their intimidating appearance, are gentle giants, mean no harm to people or pets. They remain immobile for over an hour after a disturbance, unlike other spider species that resume normal activities within a minute and a half.
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.
A study found that protected areas are unlikely to provide connectivity for species shifting ranges due to climate change, with two-thirds of the world's 30,000 protected areas expected to fail. Conservation strategies must prioritize effective use of protected areas to help species adapt to a warming planet.
Researchers found that solar water disinfection (SODIS) was effective in inactivating Escherichia coli bacteria at both low and high altitudes. At high altitudes, bacterial inactivation increased by 1.7-fold after two hours, with no significant differences after six hours. The study highlights the potential of SODIS to improve global a...
A Stanford-led study estimates that about 20% of all Sierra Nevada conifer forests are mismatched with the climate around them. This means they are temporarily surviving in habitats that have grown too warm for them, but are likely to be replaced by tree species better adapted to the climate after catastrophic wildfires.
Researchers have identified critical areas in northern, northwestern, and western Iran for urgent conservation action. The study used maps of threatened species to pinpoint regions necessary to protect critically endangered species like the Asiatic cheetah and Persian leopard.
Researchers found that breeds genetically closer to wolves are more prone to reply with howls, while modern breeds bark instead. Older dogs over 5 years also show increased stress-related behaviors when howling.
A trapped mountaineer survived 16 frigid hours in a crevasse on Denali, highlighting the importance of expert rescue efforts and proper treatment. The case study emphasizes the need for responders to continue extrication and treatment efforts even when survival seems impossible.
Researchers analyzed coyote diets and movement in Cape Breton Highlands National Park to determine why a lone hiker was attacked. The study found that coyotes relied on moose due to resource scarcity, adapting their behavior to exploit this unusually large food source.
A recent study highlights the importance of addressing negative human histories in shaping conservation practices. The authors propose a three-step approach to overcome social-ecological landscapes of fear, which constrain research and hinder ecological inquiry. By recognizing past injustices and engaging with local communities, scient...
International researchers highlight 15 essential advances for effective forest restoration, including careful planning to boost biodiversity and economic development. The UN Decade on Ecosystem Restoration aims to inspire action around the world, particularly in developing tropics where much of this research has been undertaken.
A recent study published in Wilderness & Environmental Medicine reveals a significant gender gap in leadership roles and publishing opportunities within the WMS and its journal. The findings show that women comprise only 10% of board presidents, 18% of recognition awards, and 20% of mainstage presenters.
A University of Washington-led study found that even low levels of human activity in protected areas can alter wildlife behavior. Wildlife activity dropped to zero when outdoor recreation levels reached around 40 visitors per week in Glacier Bay National Park.
A recent study found that a quarter of Australians have a human-centric relationship with nature and a strong desire to protect the environment. This challenges the stereotype that right-leaning voters care less about taking steps to protect the environment and its biodiversity.
A new study by Oregon State University researchers found that Christopher McCandless's ill-fated river crossing in 1992 was thwarted by an intense, short-lived runoff event. This would have allowed him to cross the river if he had tried a day earlier or later.
A new system, RescueCASTR, equips rescuers with 360-degree body cameras sending video and photos back to a central command post. This allows the commander to track teams, coordinate efforts and get on-the-ground views of wilderness conditions.
Human activity on Hainan Island is causing changes in the body shapes and diets of tropical birds, resulting in biotic homogenisation. Despite efforts to protect biodiversity, the island's unique ecosystem is being affected by large-scale economic and land-use changes.
A 12-year longitudinal study in Israel reveals that controlling stray cat populations requires continuous and intensive neutering of at least 70% of street cats. The study also suggests implementing a policy to control cat food resources, ensuring cats are properly fed before neutering, to mitigate rebound effects.
A study by UM researchers found that online camping reservations systems can exacerbate existing inequalities in national park access. Campers from higher-income areas and predominantly white communities are more likely to secure coveted sites. The team suggests a lottery system could help balance accessibility with protection of natur...
Researchers found that livestock grazing had no negative impact on snow leopard distribution or density, and the species can coexist due to their separate ecological niches. The study suggests a more nuanced approach to conservation and land use, prioritizing the preservation of rocky mosaics.
The Wilderness Medical Society has published evidence-based guidelines for anaphylaxis treatment in remote areas. The guidelines recommend administering intramuscular epinephrine as the primary prehospital treatment, while also discussing prevention strategies such as extracting additional epinephrine from autoinjectors and using expir...
The Wilderness Medical Society has developed clinical practice guidelines for reducing tick-borne illness, emphasizing low-risk interventions in resource-limited settings. Lyme disease accounts for nearly 70% of reported cases, with other TBIs like anaplasmosis and spotted fever rickettsiosis also on the rise.
The WVU-led Dolly Sods GPU cluster enables researchers to accelerate computational research in fields like drug development, interstellar phenomena, and biometrics. The cluster will facilitate the analysis of massive datasets and enable real-time processing of signals from satellites in space.
A study by the San Francisco Estuary Institute, the Nature Conservancy, and the University of Illinois suggests that access to nature may contribute to lower COVID-19 rates, regardless of racial or socioeconomic identity. The research team found a strong correlation between green spaces and decreased COVID-19 incidence rates.
Research suggests that concentrate farming allows for more natural habitats while meeting future food targets, resulting in better biodiversity outcomes compared to wildlife-friendly agriculture. This approach also sequesters more carbon and may benefit marine life.
Researchers found fecal contamination in Montana's Absaroka-Beartooth Wilderness Area, primarily attributed to wildlife and pack animals. Human-associated bacteria were detected at lower levels, but not significantly related to landscape or elevation.
A study found that human populations transformed wildlands into human biomes as early as 12,000 years ago, with 75% of the Earth's biosphere inhabited by humans. Anthropogenic land use reshaped more than 80% of the terrestrial biosphere by 2017 CE.
A panel of experts developed guidelines for accurate determination of death in mountain rescue situations, taking into account the challenges of remote environments. Definitive signs of death include dependent lividity, rigor mortis, and decapitation, but absence of vital signs is not definitive.
A new study found that light pollution draws mule deer to artificial lighting, making them more active at night, while cougars exploit dark spots to hunt successfully. The research combined satellite data with GPS location information from hundreds of animals, providing the largest dataset on cougar-mule deer interactions.
A recent study using 2.7 million human activity records found that humans have extensively used Antarctica over the last 200 years, with only 16% of Important Bird Areas located within negligibly impacted areas. This highlights the need for swift action to declare new protected areas and conserve biodiversity.
Researchers at Utah State University found that more than 1000 tons of microplastics are deposited onto protected lands in the western US each year, equivalent to over 123 million plastic water bottles. The study's findings highlight the source, transport, and fate of plastics on Earth surfaces.
The updated guidelines recommend avoiding prolonged overhydration during exercise and encouraging individuals to drink according to their thirst. This approach aims to prevent exercise-associated hyponatremia (EAH) and its potential life-threatening outcomes.
The Wilderness Medical Society has released new clinical practice guidelines addressing critical issues in wilderness medicine, including diabetes management and spinal cord protection. The guidelines emphasize personalized care and evidence-based approaches to prevent complications and optimize patient outcomes.
A new study found that half of all buildings destroyed by wildfire in California are located in the wildland-urban interface (WUI) area, which has less grasses and trees to fuel fires. The WUI accounts for 82% of all building losses, with 50% occurring in the interface portion.
New maps reveal that over 3 million square kilometers of wilderness have been lost since the 1990s, threatening species extinction. However, conserving these areas can halve the world's extinction risk, according to a recent study published in Nature.
A University of Queensland and CSIRO study finds that wilderness areas reduce species extinction risk by half, highlighting the urgent need for protection. Vital 'at-risk' wilderness areas require immediate conservation efforts to prevent loss of biodiversity and ecosystem disruption.