Articles tagged with Conservation Biology
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 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.
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.
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.
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.
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.
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.
A new study identifies over 800 bivalve species that humans harvest and find to be more resilient to extinction due to their adaptability in various climates. The researchers highlight the need for sustainable management to preserve these populations, but also warn of potential risks if human demand exceeds their capacity.
A new study by North Carolina State University researchers found that artificial light at night links with lower survival for two backyard bird species, the gray catbird and house wren. The study used data from a citizen-science program to investigate how light pollution affects birds' survival rates.
Scientists have identified two new mole species in eastern Turkey, belonging to the Talpa genus, which has been living undiscovered for up to 3 million years. The study, using cutting-edge DNA technology, confirms their biological distinctness from other moles in the group.
A study reveals that cattle stock tanks can provide crucial water sources for raptors in the Southwestern US, helping them cope with heat stress. The research found that these tanks are used by various raptor species, including barn owls and Swainson's hawks, to drink and bathe.
Scientists analyzed DNA from fecal samples to study the reproductive behavior of northern muriquis, an endangered primate species. They found that females tend to mate with males having diverse MHC genes, which may provide offspring protection against pathogens.
Scientists from Tohoku University propose a new hypothesis explaining the emergence of endemic species on the Miyako Islands. A land area between Okinawa and Miyako existed as a transit site for biological migration, suggesting that the island chain's unique species evolved after being uplifted 400,000 years ago.
Biologists found that glyphosate impairs aversive learning in bumblebees, reducing their ability to associate threats with visual cues. This impairment could increase mortality rates and impact colony success.
A review of animal evolution in response to fire may help inform conservation strategies, as changing fire regimes impact species. By analyzing nearly 100 papers, the authors identified various adaptations, such as infrared sensory pits and behavioral changes, that enable animals to survive fires.
A new study published in Wildlife Society Bulletin reveals that lead exposure from hunting ammunition is sickening and killing bald eagles, making them more susceptible to other dangers. The research, funded by Morris Animal Foundation, used innovative modeling tools to demonstrate the impact of lead poisoning on eagle populations.
Research shows that wild birds in vineyards are highly susceptible to triazole fungicide contamination, disrupting hormones and metabolism, impacting reproduction and survival. Vineyards use significantly more fungicides than other crops, posing a unique threat to bird populations.
A new study reveals that elephants' dietary habits are more varied than previously thought, with individual preferences playing a significant role. The research used DNA metabarcoding to analyze fecal and hair samples from two groups of elephants in Kenya, finding that even family members may eat different plants on the same day.
A study by University of Nebraska-Lincoln undergraduates found that drought can lower survival odds, slow growth, and even skew the ratio of female-to-male painted turtles. The team discovered a 7% decrease in female survival and a 10% decrease in male survival rates during drought periods.
Climate change affects giraffe populations differently than expected, with higher temperatures positively affecting adult survival but rainier wet seasons negatively impacting both adults and calves. Heavy rains increase parasites and reduce nutritional value of vegetation, further threatening giraffe survival.
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.
Research from Michigan State University and National Audubon Society reveals new insights for conserving the declining black tern population in Michigan and nationwide. The team developed an integrated population model that combines sparse data on black terns with new land management practices, potentially improving their outlook.
Two contagious cancers, devil facial tumour 1 (DFT1) and 2 (DFT2), affecting Tasmanian devils have been tracked to understand their origins and evolution. Researchers found DFT2 is a faster-growing cancer with rapid mutations, posing a significant threat to the species.
A new study found that dim light pollution can disrupt the dormant state of moths, leading to reduced survival rates. Researchers exposed urban and rural moth populations to artificial light at night, revealing a lack of adaptation in response to pollution.
The American Ornithological Society has honored outstanding contributions to the scientific study and conservation of birds with its 2023 award winners. The recipients represent collaborative work in research, conservation, publications, and service, exemplifying dedication to fostering the next generation of ornithologists.
Despite a parasite killing most males, female monarch butterflies still find mates about 1.5 times on average, suggesting high reproductive success throughout the year round. Uninfected females produce healthy male offspring, allowing the parasite to be transmitted in rare populations.
A study from the University of East Anglia found that environmental impact assessments often fail to account for species movement between sites, leading to underestimated impacts on wildlife. The research highlights a planned airport development in Portugal that could affect over 10 times the number of Black-tailed Godwits estimated by...
Researchers have documented a rare defense mechanism in the Dwarf Reed Snake, which uses active cartwheeling to evade predators. This behavior is the first time such an action has been observed in snakes.
A new study reveals that the most endangered turtles and crocodiles are those with unique life strategies, which carry out critical processes in their ecosystems. The researchers highlight the urgent need for effective conservation management plans to protect these species and their habitats.
Researchers have described two new species of butterworts (Pinguicula) with striking appearances, found in the high Andes of southern Ecuador. The discovery has tripled the number of Pinguicula species recorded in Ecuador and highlights the region's exceptional biodiversity.
A worldwide study found that non-English-language literature was extensively used in national reports but failed to be reflected in global reports. The team suggests that international collaboration and multilingual databases can help develop more effective conservation science.
A genetic census has been used to estimate the number and population structure of critically endangered western chimpanzees in West Africa. The analysis identified a total of 136 chimpanzees living in four different communities, with high levels of shared ancestry and genetic diversity.
A deadly fungus, Batrachochytrium dendrobatidis (Bd), has emerged in Africa over the past 165 years, causing a significant decline in amphibian populations. The fungus is lethal for many species but not others, with low prevalence and limited spread initially until 2000.
Researchers from Xi'an Jiaotong-Liverpool University identify vital differences between the plants, including pollinators and lifespan, confirming their classification. The study highlights the importance of recognizing every species for conservation programs.
A new study reveals that northern and southern resident orcas differ in their hunting behaviors, with males catching more salmon per hour than females. Southern resident males outperform females by 152%, highlighting a distinct pattern of foraging that may contribute to the population decline.