Articles tagged with Conservation Biology
A comprehensive review reveals devastating loss of island land snail biodiversity, with extinction rates ranging from 30% to 80%. The Hawaiian Islands, in particular, have lost up to 90% of their unique native snail species due to human arrival and colonization.
A study by University of Exeter researchers found that moths move significantly less under artificial light compared to natural night conditions. The results suggest that light pollution has widespread effects on nocturnal moth activity, irrespective of lighting type, with implications for moth populations and ecosystem services.
A new study reveals how beluga whales in Alaska's Bristol Bay survive through a surprising strategy: they mate with multiple partners over several years. This polygynandrous system helps maintain genetic diversity despite the population's small size and isolation.
Researchers developed synthetic DNA to mimic eDNA behavior and tracked its movement for 33 hours. A new model predicts where a sampled particle of eDNA likely originated in a water body, aiding conservation efforts.
McGill researchers found that freshwater browning is stunting some fish species' growth, shrinking others' populations, and altering fish communities. This phenomenon has broad impacts on biodiversity, affecting economically important fish species such as northern pike and walleye.
Researchers from Shedd Aquarium tracked queen conch movements to estimate the space needed to protect breeding populations. The study suggests establishing a 330-meter spatial buffer around breeding areas to help protect conch populations and serve as a practical tool for local management.
The journal Biological Diversity is seeking experts in various disciplines to address the global biodiversity crisis. The editorial board will comprise senior scholars, while the youth editorial board will include early-career researchers. The dual structure aims to combine strategic wisdom and innovative energy.
A long-term study in Türkiye examines wolf–human interactions, revealing that conflicts cluster in areas with widespread rural livestock farming. The research highlights the impact of human-driven factors such as road networks and habitat fragmentation on conflict risk.
A new study reveals that giant clam populations in American Sāmoa are stable and abundant due to traditional community-based resource management. Village-managed closures outperform federally protected no-take areas, highlighting the effectiveness of cultural stewardship.
Researchers analyzed DNA captured on air filters since the 1960s to track changes in ecosystem biodiversity. The study found a clear decline in biodiversity from the 1970s to the early 2000s, linked to human activities such as forest management.
A study by University of Florida researchers found that mosquitoes fed on 86 different species of animals, capturing nearly all the vertebrate biodiversity in a small area in central Florida. This innovative method uses mosquitoes to monitor other animals and conserve them.
Conservation organizations are using eBird data to select priority species, manage habitat for waterfowl, identify important bird areas, and monitor populations at regional scales. The study demonstrates how eBird data products help fill critical information gaps and support conservation planning across many Joint Ventures.
A new study by the University of Oxford and WCS reveals that connections between coral reefs can stabilize reef health, reducing the risk of collapse. By simulating future reef conditions under different management scenarios, researchers found that a dual approach improving land and sea conditions provides the best outcomes for reefs.
A non-invasive method has been developed to monitor hormone levels in frogs, providing valuable insights into their wellbeing. This technology uses tiny patches that collect hormone-rich secretions from frog skin, marking a major step forward in amphibian monitoring.
A new Oxford University study finds nearly 8,000 animal species could face extinction by the end of this century due to combined effects of climate-driven extreme heat and human land-use changes. The study highlights the urgency of conservation and mitigation actions globally to prevent immense losses to biodiversity.
The Florida Museum of Natural History has published 'The Butterflies of California' after five decades of work by brothers Thomas and John Emmel. The book, which clocks in at 854 pages, explores the diversity and life histories of butterflies in western North America.
A new study in Botswana explores the effectiveness of bee-sound barriers in deterring elephants from raiding crops. While results show a positive reaction from some elephants, differences in response rates between Botswana and other countries suggest context-specific factors are at play.
Researchers found a robust and healthy population of critically endangered Sumatran tigers in the Leuser ecosystem, with over 282 high-quality images captured. The team identified 27 individuals, including females with high densities indicating a thriving social system and adequate habitats.
Research reveals that threatened species are overrepresented in professional sports emblems, offering a powerful new avenue for biodiversity conservation partnerships. Fans' emotional connections with team mascots can mobilize audiences to support conservation initiatives.
Penguin populations off South Africa have declined drastically due to collapsing food supplies, with some species facing an estimated 62,000 breeding individual losses. The study suggests that sardine biomass has fallen below a quarter of its peak levels in 17 years, posing a significant threat to the long-term survival of these birds.
A new international study reveals that nearly 25% of professional sports teams worldwide feature a wild animal in its name, logo, or fan identity, with over half of these teams using threatened species. The researchers argue that sport organisations could actively support conservation through awareness campaigns and partnerships.
A new study reveals regional vulnerability of plant-pollinator networks to climate change, emphasizing the need for tailored conservation approaches. Tailored strategies can enhance biodiversity protection in tropical regions, but may offer minimal benefit in temperate zones.
Young mountain lions in California struggle to navigate busy roads and developed areas, compromising their ability to access breeding territories and maintain genetic diversity. The study's findings highlight the need for wildlife crossing structures to maintain connectivity and promote healthy populations.
A recent study found that releasing rehabilitated Golden Eagles can be an effective means of compensating for eagle deaths due to human actions. However, the study revealed that only a few rehabilitated eagles survive and integrate into the wild population, raising questions about the long-term efficacy of rehabilitation efforts.
Researchers found that elephants can learn to ignore drones within minutes of exposure, opening a new window into their behavior and social interactions. The study's results suggest potential for drones as a cost-effective observation platform in elephant conservation.
A new analysis challenges traditional conservation strategies by highlighting the importance of sustainable pastoralism in protecting global biodiversity. Rangelands harbor vast biodiversity and support millions of people, yet only a small percentage receive formal protection.
A new study led by UBC with Coast Salish Nations and regional research partners identifies Indigenous-led hunting as the most successful strategy for managing hyperabundant deer on the Southern Gulf Islands. This approach delivers significant ecological and cultural benefits, increasing human and ecological wellbeing by nearly 60%.
The study reveals that the Five Great Forests of Central America support between one-tenth and nearly one-half of global populations of 40 migratory bird species. These forests provide crucial food and shelter for birds like Wood Thrushes and Magnolia Warblers during their annual migrations.
A new study from the University of Illinois found that about half of Oregon's elk population carry a gene variant that makes them less susceptible to Chronic Wasting Disease (CWD). This could help slow down the spread of the disease in the state. The research also highlights the importance of monitoring and managing cervid populations.
A new study reveals a severe decline in recruitment of the American pika on Niwot Ridge, Colorado, with fewer juvenile pikas being born or migrating to take their place. Climate change is predicted to threaten pikas in the American West, with warmer summers affecting their habitats and ability to survive.
A study published in npj Ocean Sustainability reveals that traditional Hawaiian fishponds (loko iʻa) effectively shield fish populations from the negative impacts of climate change. The research found that loko iʻa fish populations were more resilient to rising water temperatures than those in surrounding estuaries.
Scientists have rediscovered a thought to be extinct killifish species, Moema claudiae, in Bolivia, providing a second chance for its conservation. The rediscovery was made in a temporary pond surrounded by farms and has allowed researchers to study the behavior of the species and preserve it in the wild.
Researchers at UT Austin discovered that destroying ant nest structure prevents disease transmission, allowing natural pathogens to collapse infestations. The study's findings provide a reliable way to introduce biocontrol agents into uninfected colonies, making it easier to control the invasive species.
A new study by Curtin University predicts that invasive cane toads will colonize up to 75% of the Pilbara within three decades, putting 25 native species at risk. Simple steps can prevent the toads from using dams as stepping stones into the region.
A new study reveals that island reptiles are more threatened with extinction than mainland species, yet remain largely ignored by researchers. The study found that 30% of island-dwelling reptiles are threatened, while only 6.7% of reptile-focused research publications have studied them.
Scientists study ancient oyster populations to guide present-day restoration efforts. By analyzing shell size and breakage, researchers can interpret how intensively communities harvested oysters, shedding light on the challenges of rebuilding depleted reef ecosystems.
Scientists suggest that managing pond conditions can tip the balance in favor of native species. Research found that longer hydroperiods, typically over 110 days, lead to larger and more stable populations.
A new study reveals that modern agriculture is threatening biodiversity in European protected areas, but traditional low-intensity farming methods can help preserve habitats and species. The findings highlight the urgent need to strengthen agricultural regulations inside protected areas to achieve EU biodiversity conservation goals.
A new study found that investing $7 per Ontarian in eight conservation strategies could help 75% of at-risk species recover. The strategies include habitat protection, wildlife management, and invasive species control, with a potential cost of less than one-tenth of Ontario's provincial budget.
Researchers evaluate ways to redesign land use and nature conservation using integrated approaches to meet ecological, social, and economic goals. Multifunctional landscapes can promote biodiversity, food production, climate regulation, and human well-being.
Researchers developed a tool to measure food production's impact on species survival, finding that eating beef and lamb has the biggest effect on extinctions. Switching to vegetarian diets could halve biodiversity impact in the UK.
A new study reveals the deep connection between wildlife trafficking and other serious crimes, including arms dealing and human smuggling. By mapping these intersections, researchers can focus on key players driving global networks, boosting anti-trafficking interventions.
A new study documents the functional extinction of Acropora corals from Florida's Coral Reef following a record-setting marine heatwave in 2023. The heatwave caused catastrophic mortality rates, leading to a collapse of ecological function and marking what scientists call a functional extinction.
Researchers at the University of Technology Sydney discovered that tailored lipid supplements can significantly increase coral larvae's strength, speed, and survival rate. This innovation has major implications for reef restoration projects, which aim to improve larval supply but often face low post-settlement survival rates.
A recent study found that extinction rates in plants and animals peaked around 100 years ago and have declined since then. The researchers argue that past extinctions are not reliable predictors of current and future threats due to changing drivers such as habitat loss and climate change.
A new index tool evaluates species' conservation priority based on future threats and traits, identifying reptiles as highest priority. The Proactive Conservation Index complements existing tools, offering insights into understudied species and facilitating proactive conservation strategies.
A study combining DNA barcoding and production/trade data identifies global freshwater eel consumption patterns, revealing over 99% of global consumption consists of three threatened species. East Asia emerges as the global center for eel consumption driven by cultural preferences and purchasing power.
Two muriqui species, largest primates in the Americas, face significant habitat loss due to climate change. By 2090, up to 61% of their suitable habitats may be reduced, mainly confined to coastal regions of the Atlantic Forest.
The study reveals that over 99% of global eel consumption consists of three threatened species, with the American eel being the most consumed. East Asia emerges as the global centre of eel consumption due to cultural preferences and purchasing power.
Researchers developed solar-powered lights to reduce sea turtle entanglement in fishing nets. The LED lights are highly effective, with 63% lower bycatch rates compared to unlit control nets.
Researchers analyzed feces samples from 11 herbivore species in Namibia's Etosha National Park to understand how environmental factors shape their gut microbiomes. The study found five types of bacteria serving as environmental indicators, which could help monitor ecosystem changes and animal adaptation.
A global study has discovered that birds' fear of novelty is strongly linked to their dietary specialization and migratory behavior. The research found that species with narrower diets and those that migrate may exhibit higher levels of neophobia, or fear of new things.
A study found that 90% of marine aquarium fish sold by online retailers in the US come from wild populations, primarily in the western Pacific and Indian Ocean. The reliance on wild capture threatens coral reef ecosystems and puts endangered species at risk of extinction.
Researchers developed an environmental quality standard to evaluate reindeer populations, finding most areas rated as poor or medium. The standard aims to inform management efforts and secure long-term conservation of wild reindeer.
A new analytical method reveals that 65.5% of unhatched eggs were fertilized, contradicting previous assumptions. The study's findings can inform management decisions for threatened bird species and potentially accelerate their recovery.
The BIRDBASE dataset covers 78 ecological traits across 11,589 bird species, revealing that 54% are insectivores, with many tropical forest species under pressure. Fruit-eating birds disperse seeds in tropical forests, and fish-eating seabirds face elevated extinction risk.
Researchers found that species diversity is highest in landscapes with 60% unmanaged forests and 40% intensively managed forests. Extensively managed forests contribute little to support species richness, but improving their ecological performance can help maintain forest biodiversity.
Researchers have identified distinct genetic adaptations in European cisco populations adapted to fresh, saline, or brackish water, as well as varying spawning times. These findings can inform sustainable management practices and improve our understanding of the impact of environmental factors on roe quality.
Researchers found that emphasizing the effectiveness of collision prevention measures motivated bird enthusiasts to take action, while emotional appeals were most persuasive for the general public. The study also identified demographic factors influencing intention to adopt bird-safe windows.
A large, mostly disease-free koala population on Kangaroo Island carries a genetic legacy that may make it harder to survive future threats. The population's limited genetic diversity and high inbreeding increase the risk of fertility and developmental problems.