Articles tagged with Invasive Species
New studies reveal invasive winter annuals are sensitive to changing rainfall patterns, while heat waves impact Colorado potato beetle survival. In salt marshes, mesopredators like mud crabs take over grazing control from top predators, suggesting resilience to their loss.
The new atlas, developed by the University of Illinois and West University of Timișoara, offers a comprehensive database of 427 crayfish taxa and over 100,000 observation records. This resource will facilitate informed conservation decisions and support efforts to mitigate the impact of invasive species on freshwater ecosystems.
Researchers at the University of Florida have developed a groundbreaking method for detecting the DNA of invasive snakes in Florida. The tetraplex digital PCR assay can identify four species simultaneously and has been shown to be highly accurate, even weeks after the snakes have left an area.
Researchers are assessing the impact of spongy moth defoliation on blacklegged tick survival and the spread of Lyme disease. The team set up 144 mesh enclosures to study ticks in different conditions, including heavily defoliated areas and those with lower defoliation.
The journal welcomes Dr. Ana Novoa Perez, Prof. Tammy Robinson, Prof. Phil Hulme, and Dr. Andrew Liebhold to bring expertise in invasion science, aiming to expand global reach and impact.
Climate change is enabling invasive tick species to establish themselves in new areas via migrating birds, potentially spreading novel tick-borne pathogens. The study found that some bird species carried more ticks than others, with certain bacteria types associated with specific tick species.
Researchers recommend public surveillance via online observation platforms like iNaturalist and Observation.org to detect invasive species early. By leveraging the growing number of smartphone users, scientists aim to widen the surveillance net and augment existing biosecurity frameworks.
Research articles highlight the limitations of the 'tens rule' in invasion ecology, while also showcasing the growing use of crowdsourced science in environmental reviews. Additionally, a study uses artificial intelligence to identify individual animals with high accuracy, improving conservation strategies.
A new study has found that grey squirrels are more likely to visit bait feeders in the spring, making it a suitable time to deliver oral contraceptives. The research developed a bait and monitoring system that demonstrated high species-specificity, with only grey squirrels accessing the feeder bait.
A targeted outreach initiative in Palm Beach County led to an increase in reported sightings of invasive reptiles, including Nile monitors and Argentine black-and-white tegus. The effort engaged over 112,000 people and resulted in 55 reported sightings, highlighting the effectiveness of community involvement in detecting invasive species.
A new study reveals that invasive silver carp reduce their movement in Chicago-area water due to stress caused by contaminants. The fish's behavior changes when introduced to water from the Illinois River north of Kankakee, suggesting they are avoiding pollutants from the Chicago Area Waterway.
Researchers identify 47 prey species consumed by invasive flathead catfish, including smallmouth bass and blueback herring. The study's findings provide valuable insights for fisheries managers to better manage the waterway.
A recent study by American Institute of Biological Sciences reveals that nonnative plant species are a major force behind the growing number of insect invasions worldwide. The research challenges traditional assumptions and highlights the importance of controlling the spread of nonnative plants in mitigating biological invasions.
A new study published in Journal of Biogeography finds that malaria-like blood parasites increase in prevalence with the number of bird species present, highlighting the importance of host diversity. The research also shows that parasites can spread more rapidly when they specialize in closely related or functionally similar bird species.
The invasive tiger mosquito expands its host range as it spreads across regions, with a greater diversity of hosts in the invasive range. The mosquito's ability to adapt to new environments and act as a bridge vector for pathogens increases the risk of disease transmission.
Scientists have discovered a new species of predatory flatworm in North Carolina and Florida, which has been detected in residential landscapes across the Southeast. The researchers found that the flatworm has brownish-black color and feeds on soft-bodied organisms like earthworms and slugs.
A new species of flatworm, Amaga pseudobama, has been discovered in the southern United States and is already present in several states. The species resembles Obama nungara, a European invasive species, making it difficult to distinguish from citizen science data.
The study found a recent reversal of fortunes in the Adriatic Sea, with populations of marine predators and their prey plummeting and being replaced by a single species. The researchers used seafloor environments to determine interactions between species, showing a decline in biodiversity and excess nutrients.
A new study by the UK Centre for Ecology & Hydrology predicts high-risk towns across Europe for dengue fever outbreaks, with southern France and northern Italy being most affected. The research uses advanced high-resolution modeling to provide daily risk assessments for each area.
A study found that island-dwelling animals have slower metabolisms and produce offspring later, making them more susceptible to extinction. This adaptation helps them thrive in pristine environments but also makes them vulnerable to human activities.
Researchers found that existing estimates of invasive species in Wisconsin lakes were off by 500%, with some populations present for decades before impacting the ecosystem. Long-term research has provided valuable insights into the effects of invasive species and how to mitigate their impacts.
The peach blossom jellyfish, an invasive species from China, has been spotted in 34 locations in B.C., with predictions suggesting sightings and locations will increase by the end of the decade. The jellyfish clones are effectively identical, having originated from the same polyp or cluster of polyps.
A worldwide survey by Goethe University Frankfurt found that students in environmental studies are unaware of the main causes of biodiversity loss. The study identified eight response types with varying levels of understanding, with climate change being underestimated in many countries. The researchers suggest that this lack of knowled...
A new study found a strong correlation between pesticide use and fewer wild bee sightings, suggesting a direct link between pesticide exposure and bee population declines. Alternative pest control strategies, such as integrated pest management, are essential for conserving these crucial pollinators.
The Fundão dam collapse, one of the world's most significant environmental tragedies, has left a lasting legacy of devastation in Brazil. Researchers have found that the environmental damage has intensified over the years, threatening human and wildlife health.
Researchers found that floating objects can reach Antarctic waters from more sources than previously thought, threatening the continent's unique ecosystems. Non-native marine species can colonize Antarctica by catching a ride on kelp, driftwood, and plastic debris.
A new method, conditioned taste aversion, has been trialled to protect freshwater crocodiles from deadly invasive cane toads. The trial was successful in reducing crocodile death rates by up to 95% in areas where cane toads were present.
Pestina, a bug-girl designed in 1958, reflects shifting American attitudes towards women, migration, and foreignness. Her story provides insight into how officials tried to convince the public of pest invasion dangers and how fears and fetishes defined mobility in the mid-20th century.
A study found that invasive cicad aulacaspis scale alters leaf litter decomposition dynamics of cycad species, releasing nutrients too quickly. This damage threatens ecosystem balance and conservation efforts in invaded islands.
A new study from the University of Maryland analyzed over 100 recent pest introductions to discover significant patterns. The findings suggest that public involvement in pest detection is crucial for early detection and response to emerging pests.
A recent study found that invasive brown widow spiders are highly infected with Rhabdochlamydia, a bacterium related to major human and animal pathogens. The bacteria were also transmitted from mother spiders to their offspring.
A study found that heath goannas are more effective in removing blowflies from the landscape than introduced European mammals. This reduces the emergence of 'fly strike', a disease affecting sheep, and has significant implications for the Australian sheep farming industry.
Researchers found that removing invasive rats and restoring native vegetation could help bring back hundreds of thousands of breeding pairs of seabirds lost to tropical islands. The restored populations would have enough fish in the sea for them to hunt, supporting nearly 280,000 breeding pairs on islands with full vegetation restoration.
The introduction of Nile perch to Lake Victoria led to severe population loss and genetic bottlenecks in local cichlid species. The study reveals that four species experienced a 'bottleneck event' resulting in reduced genetic diversity, highlighting the devastating impact of exotic species invasion.
Researchers in Italy have successfully monitored invasive stink bugs using drones and AI, reducing disruption and improving data capture. The system achieved a 97% detection accuracy, enabling precise forecasting models for integrated pest management strategies.
A team of international experts emphasizes the need for collaboration across borders and within countries to address the growing threat of invasive alien species. The paper, published in Nature, Ecology & Evolution, highlights the critical evaluation of existing knowledge on invasive alien species and their control.
A new computer algorithm has been developed to enhance the management of invasive species globally, optimizing resource allocation and reducing costs. The innovative tool is adaptable to various population dynamical models and treatment methods, improving the effectiveness of environmental conservation efforts.
Research detects declines in bees and butterflies in western and southern North America due to environmental change and habitat loss. The study identifies regions of concern and highlights the need for conservation efforts and improved monitoring methods.
The introduction of the Silver croaker fish to a Brazilian reservoir has led to a sharp decline in native species diversity. The study, published in Biological Invasions, analyzed data from 2001-2016 and found that the invader had become the most abundant fish species, negatively affecting local biodiversity.
New research reveals human activities alter marine organism preservation, improving or impairing the fossil record. Human actions can prevent useful information about ongoing changes and enhance the quality of the fossil record.
Research reveals invasive termites could soon invade cities in temperate zones due to climate change and urbanization. The study highlights the need for strict termite control measures to protect homes and infrastructure.
The lionfish species has significantly expanded its territory in the Mediterranean since its invasion began around ten years ago. Lionfish are generalist predators that impact ecosystems by preying extensively on local fishes, including endemics of high conservation value.
A new study reveals that less affluent countries are more prone to damage caused by biological invasions, with average costs exceeding $26.8 billion annually globally. Wealthier nations can mitigate this issue by investing in invasive species management in neighboring countries.
Researchers have developed VespAI, an automated system that attracts hornets to a monitoring station and captures standardized images using an overhead camera. The system uses AI algorithm to identify the species with almost perfect accuracy, allowing authorities to mount a rapid response.
Research on South Georgia reveals that invasive species are colonizing newly exposed ground as glaciers retreat due to climate change. This process allows exotic plants and animals to rapidly adapt and spread across the island.
Zooplankton biomass and behavioral patterns have been altered by human-driven changes in water temperature and food webs. The study found that warming temperatures and invasive species modify the timing of certain events in their life cycles.
A product used to control pest slugs on farms is deadly to the least one type of native woodland snail endemic to the Pacific Northwest. The study found that the product's effects depended on concentration and snail size, with all 90 snails killed in exposure groups versus 30 in a control group.
A recent study reveals that non-native ant species have profoundly altered the historical distributions of ant species, reshaping global ecosystems. The study found that just 2% of ant movements are sufficient to erode established borders and redraw the distribution map for this diverse array of insects.
A new study found that Tanna's forests showed remarkable recovery after Cyclone Pam, with high resprouting and widespread recruitment of most tree species present. Customary stewardship practices appear to augment the capacity for resilience by promoting a diversity of tree species and life histories.
Research shows that invasive Asian honeybee population in North Queensland has overcome a genetic bottleneck to grow into a thriving colony. The study highlights the importance of this case for understanding population resilience and provides insights into how some species can adapt quickly despite low genetic diversity.
Researchers found that reduced fire severity due to drought creates an environment conducive to invasive species, particularly non-native grasses. This transformation leads to a decline in native species abundance and diversity. The study advocates for strategies considering wildfire frequency and invasive species control post-fire.
Researchers found that Aedes aegypti mosquitoes' thermal tolerance and biological traits can shift in response to temperature, leading to variation in disease transmission. This study challenges traditional models by highlighting the importance of local adaptation in predicting mosquito-borne disease risk under climate change.
Researchers found three oak species have become invasive along riverbanks and urban-wildland interfaces in Stellenbosch and Cape Town, threatening century-old oaks. The polyphagous shot hole borer disease is also affecting widespread species like English oak.
A recent study published in Invasive Plant Science and Management identifies the most likely invasive plants to expand into the Mid-Atlantic and Northeastern US states by 2050. These high-impact species are associated with negative impacts on ecological communities and socio-economic effects.
The study reveals that non-native earthworms have colonized 97% of soils across North America, with alien occupation higher in the northern part of the continent. This poses a threat to native ecosystems, including forests and grasslands, and highlights the need for better understanding and management of these invaders.
A new study published in Science found that eradicating non-native animals to protect plant species can be a flawed practice, costing millions and slaughtering healthy wild animals. The research compared the effects of native and introduced large herbivores on plant communities, finding no significant differences.
Research finds invasive trout compete with native white-spotted charr for aquatic prey. Brown trout also influence ecosystems by preying on terrestrial organisms, further harming native populations.
Research in Kenya's Ol Pejeta Conservancy reveals invasive big-headed ants have reduced lions' effectiveness at killing zebras. Lions now primarily target African buffalo instead, maintaining population stability.
Chinese researchers investigated the causes and consequences of biological invasions, tackling questions on genetics, nutrient pollution, and online trade. The 24 articles highlight valuable insights into future biological invasion research coming out of China.
The study observed that invasive Bluegill in Lake Nojiri, Japan, displayed unique colony spawning behaviors, with males constructing nests in close proximity to each other. Removal of guarding males revealed four brood predator species, with conspecific Bluegill constituting over 90% of all predators.