Articles tagged with Conservation Biology
A study at George Mason University aims to advance the Wildlife Corridor Action Plan by identifying road segments impeding movement of priority species in Virginia. The researchers created models estimating habitat suitability and important movement areas for select species, receiving $243,105 in funding.
A recent study finds semi-natural habitats play a crucial role in conserving pollinator diversity, outpacing the impact of pesticide use. The research suggests that prioritizing habitat conservation can be more effective than reducing pesticide application in rice fields.
Researchers from Aarhus University conclude that human hunting was responsible for the extinction of at least 161 species of large mammals over the past 50,000 years. The analysis of various research fields, including climate history and genetic estimates, suggests that human hunting was widespread and consistent across the world.
A study published in Nature has found that artificial heat shelters can significantly reduce chytrid infections in frogs, allowing them to co-exist with the deadly disease. The simple intervention uses readily available materials and can be easily scaled up for community involvement.
The study reveals regional differences in Amazon drought response due to local environments and tree properties. The southern Amazon, with shallow water tables, is more vulnerable to drought, while the northern region, with deeper roots and less fertile soil, is more resilient.
Researchers confirmed that elephant calls contained a name-like component identifying the intended recipient through machine learning analysis. Elephants responded affirmatively to calls addressed to them and less so to those meant for others, suggesting an ability to learn and use arbitrary vocal labels like humans.
The study reveals remarkable variation between primate Y chromosomes, showing rapid evolution and previously unstudied regions. The researchers found that over 90% of ape X chromosome sequences aligned to the human X chromosome, while only 14-27% of ape Y chromosome sequences aligned to the human Y chromosome.
A new study found that removing hedgerows and field margins decreases the diversity and abundance of arthropods, which can lead to reduced natural pest control. The research suggests that using flowering plants in field margins and implementing agri-environmental measures can be effective ways to increase farmland biodiversity.
A comprehensive analysis of over 200 scientific articles reveals the fundamental importance of scavengers and carrion in wetlands, benefiting soil, plants, birds, and mammals. The study highlights five different functions performed by scavengers during carrion consumption, including nutrient recycling and pathogen control.
A new study reveals that three island bat species feed on over 40% of agricultural pests, including banana moths and turnip moths. This finding highlights the importance of bats in maintaining ecosystem balance and suggests that encouraging these mammals can be a win-win for conservation and local farmers.
A recent study on orchid bees in the Brazilian Amazon found that deforestation significantly impacted bee populations, with some species dwindling in just 10-17 years. The research, conducted in the 1990s, also revealed new species and highlights the importance of protecting rainforests.
Despite being in place to rebuild fish populations, marine protected areas have flatlined or declined adult fish populations. Strong enforcement and climate-friendly design are crucial for their success.
Researchers have discovered a virus that infects the fungus Batrachochytrium dendrobatidis, which causes heart failure in frogs and toads. The virus could be engineered to control the fungal disease and potentially save amphibian species.
A recent study reveals that old-growth forest canopy soils support rich and unique invertebrate diversity, which is slow to recover from human disturbance. The research found a higher diversity of invertebrates in canopy soils compared to surface soil animals.
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.
A study by Hokkaido University and Aarhus University reveals a 'nocturnal' surge in vocalization activity among little auks in Arctic summer, contrary to expectations. The findings provide valuable insights into avian behavior under continuous daylight environments.
Researchers at Oxford University have discovered a network of ocean currents that scatter coral larvae between remote islands in the Seychelles. This 'coral superhighway' suggests that centrally located reefs may play a crucial role in linking distant islands, supporting regional reef resilience.
Researchers mapped disease dynamics in foothill yellow-legged frogs, tracing patterns of infection across a large geographic range. The study found that drought, rising temperatures, and agricultural land conversion drive Bd infection, with the pathogen affecting nearly entire region from southern coast to central Oregon.
A recent study reveals that converting rainforests to plantations erodes and restructures food webs, fundamentally changing their functioning. The researchers found that energy flows differently in plantation ecosystems compared to rainforests, with a greater emphasis on invasive species and reduced predation.
A study led by UMass Amherst found that increased temperatures do lead to decreased body size in fish, but gill surface area does not explain the change. The researchers challenged widely cited model projections of drastic reductions in future global fisheries yields, suggesting that models need to be reconsidered.
A study published in Global Change Biology found that low deep-water oxygen concentrations lead to increased algae growth and further oxygen declines. This positive feedback cycle can result in frequent algal blooms, disrupting lake ecosystems and human health.
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.
A recent study published in Biological Conservation reveals that NY bobcat populations remain critically low, with occupancies below detectable limits. Researchers used trail cameras to monitor wildlife populations in central and western NY state, tracking white-tailed deer, red fox, coyote, eastern wild turkey, and gray fox numbers.
A new study found that relocated songbird chicks can successfully learn the diversity of songs they need to communicate and survive. Despite an initial lack of song diversity, the population recovered as it increased in size, suggesting that translocating nestlings may not lead to long-term problems.
Wildlife filmmaker Carlos Gauna and UC Riverside student Phillip Sternes observed a 5-foot-long pure-white shark pup shedding its embryonic layer. The location off central California's coast is proposed as a potential great white breeding ground, which could help protect endangered species.
Researchers found that biodiversity data is concentrated in wealthy countries, with implications for conservation projects. This context should be considered to prevent inequitable implementation, Chapman argues. The team hopes to see more inclusive science policy collaboration to ensure that biodiversity data is applied justly.
A study published in Science reveals that 82% of endemic species and 65% of all tree species in the Atlantic Rainforest are threatened with extinction. The researchers used a novel conservation assessment methodology to estimate the degree of threat, which significantly increased the number of threatened species.
Researchers at the University of Oxford have created a standardized safety test to assess how dangerous robotic lawnmowers are to hedgehogs. The test uses specially designed hedgehog crash test dummies and has found that many models pose a threat to these animals, especially at night when they are most active.
A global study reveals that shark fishing mortality is increasing globally, with over 100 million sharks killed annually, despite widespread regulations aimed at reducing finning. The study found that coastal fisheries account for 95% of total shark fishing mortality, with no decrease in catches between 2012 and 2019.
A new snail species, Xenassiminea nana, native to Japan's temperate zones, has been officially named following a comprehensive examination of its anatomical characters. The study highlights the species' unique traits, including its small size and distinct shell shape.
Researchers at Ohio State University explore how technology and economics can be used to protect endangered species. By leveraging tools like camera traps and smartphone apps, scientists can monitor populations more efficiently. Additionally, economists can develop policies that protect species before they become threatened, reducing t...
Researchers used genetic information from 104 aardvark poop samples to study their distribution and movement across the African landscape. They found regional divisions and larger home ranges, but also restricted movement through arid areas due to climate change.
A new study identifies the best regions for rewilding European bison, pinpointing areas where conservation efforts can be most effective. The research suggests that understanding the species' decline is crucial to ensuring long-term protection and recovery.
Researchers found that 195 of 328 bee species collected in Wake County between 1900-2018 were not seen since 1969, likely due to underground nesting habits. Urbanization, climate change, and limited detection methods may be contributing factors.
Researchers from Xi'an Jiaotong-Liverpool University developed a system to assess water quality challenges in Suzhou, China. The study found that the city's water capacity has increased since 2001 due to effective water management measures.
Researchers have identified Australia's most hard-to-find species using over 3.8 million volunteer hours of birdwatching data, including the elusive Coxen's fig-parrot.
Researchers at Texas A&M University developed the most comprehensive genome yet for the North American bison, revealing a gene mutation responsible for albinism. The discovery paves the way for understanding genetic variations impacting important traits and informing conservation management.
A study by Colorado State University found that redlined communities experience higher maximum noise levels, detrimental effects on urban ecosystems, and increased human health risks like hearing loss and stress. The research highlights the need for equitable planning and noise mitigation to benefit both people and wildlife.
Researchers found a tradeoff between fast growth and heat tolerance in corals, with thermally sensitive algae dominating faster growth but only in cooler water. This study helps predict reef futures and inform conservation strategies, highlighting the complexity of coral growth on a reef.
Researchers have successfully mapped thousands of animal species in Bangladesh using social media posts, significantly improving habitat conservation. The study also highlights opportunities for social media companies to automate biodiversity data collection, making it easier for scientists to access and utilize.
New research reveals Indian Ocean seabirds face no hotspots where predators feast on prey, highlighting the need for ocean-wide protection. The study's findings suggest that international action is necessary to safeguard these birds' survival due to human activities like overfishing and pollution.
A new method estimates the benefit of carbon stored because of forest conservation, enabling direct comparison of projects. The technique generates incentives for safeguarding forests long after credits have been issued.
Two bee species thought to be distinct are found to be the same, males and females of a single species, using DNA sequencing. The study uses barcoding to identify the species, which is crucial for understanding conservation needs.
Researchers at UMass Amherst have tracked tarpon migration patterns using acoustic telemetry, revealing two distinct subgroups of the species. The study, which gathered data over five years, has significant implications for conservation efforts, as tarpon are listed as vulnerable due to fishing, habitat loss, and degraded water quality.
A new AI-powered tool, Salmon Vision, enables real-time monitoring of salmon populations in British Columbia and beyond, addressing data-poor fisheries and climate-smart management. The technology has shown promising accuracy in identifying salmon species and yields mean average precision rates of up to 90% for key fish species.
A study by the University of Washington and NOAA found that upgrading a culvert in Washington improved fish traffic for four species of interest: cutthroat trout, coho salmon, rainbow trout, and sockeye salmon. Meanwhile, a smaller culvert replacement had less impact on fish populations.
A study found that acute stress has a sudden and dramatic effect on the fertility of male big brown bats during breeding season, with testosterone levels plummeting by ~50% and sperm production reduced. The team also discovered that stressed bats released more of a key hormone that can reduce fertility and ability to reproduce.
A new study suggests that individual animals, like Lua the Antillean manatee, can be used as flagships to encourage engagement and behavioural change in conservation. These charismatic species often have unique characteristics that make them appealing to humans and can inspire policy changes.
A new study provides comprehensive genomic resources for pangolins, helping protect these threatened mammals from extinction due to habitat loss and trafficking. The data will aid in conservation priorities and management plans, as well as tracing the pangolin trade.
Researchers recommend prioritizing ecosystem services in mangrove conservation to protect infrastructure, communities, and fisheries while safeguarding billions of dollars' worth of coastal property value. This approach could safeguard 6.1 million people against flooding and sequester over one billion tonnes of carbon.
A new study suggests that protecting large areas of land can help stem biodiversity loss, with vertebrates declining 0.4% per year inside protected areas compared to 1.8% outside. The study highlights the importance of proper governance for the success of protected lands and their role in conserving biodiversity.
Researchers found that two common songbirds have smaller eyes than their counterparts from less bright outskirts, adapting to urban light. This study suggests that sensory pollutants like human-caused light may play a role in the decline of bird populations.
Most of the world's largest flowers (genus Rafflesia) are now on the brink of extinction due to habitat destruction and lack of conservation efforts. The study highlights the need for a joined-up, cross-regional approach to save these unique plants.
A 20-year experiment found that active replanting with diverse tree species recovers logged tropical forests faster than natural recovery. The results showed that plots with 16 native tree species recovered canopy area and total tree biomass more quickly than those with fewer species.
A recent UTSA study reveals that 51% of Texas owls have high levels of anticoagulant rodenticides in their systems. The research team recommends using natural methods to control rodents and increasing awareness of the effects on non-target wildlife.
African lion populations are declining due to various threats including habitat loss, prey depletion, and human-wildlife conflict. A new study reveals the importance of considering both ecological and socio-political factors in conservation strategies.
Researchers from the University of Illinois warn that artificial roosts can be detrimental to bat health due to overheating and inadequate insulation. The experts emphasize the need for further study on the risks associated with these structures.
A new study from the University of Washington and Polar Bears International reveals a direct link between cumulative greenhouse gas emissions and polar bear demographic changes. The study shows that reducing greenhouse gas emissions can help protect polar bears, with implications beyond just this species.
Scientists have discovered two 14ft smalltooth sand tiger sharks in Ireland's waters, a rare find suggesting the species is expanding its geographic range due to warmer sea temperatures. The discovery highlights the need for increased awareness and monitoring of these vulnerable creatures.
A study found that deforestation in tropical regions destroys nesting habitats for certain bird species, limiting their reproduction. Nest boxes can provide a successful conservation strategy for these birds, particularly in agricultural lands where they are more abundant.