A study found that anthropogenic factors, such as cultivation, played a more important role in plant invasiveness than previously thought. The research analyzed Central European plants introduced to North America and found that residence time in the invaded range and habitats occupied in native ranges were key drivers of invasion.
The New Guinea flatworm has been found in Florida, marking a significant threat to the US mainland's ecosystem. The invasive species can spread through human agency and infested plants, posing a risk to native snails and other terrestrial molluscs.
Researchers from the UCL Institute of Child Health and Great Ormond Street Hospital found non-invasive prenatal testing to be highly effective and acceptable to parents. Over 2,500 women underwent NIPT for high and medium risk pregnancies with Down's syndrome, showing a sharp decrease in invasive tests and increased detection rates.
A study published in PNAS estimates global species richness, finding that roughly 10% of the world's beetles have been named and described, shedding light on previous estimates. The research suggests a mean of 1.5 million beetle species and 6.8 million terrestrial arthropod species.
A new study finds that anastrozole significantly reduces breast cancer recurrence in postmenopausal women with non-invasive DCIS, outperforming tamoxifen. The treatment also improves disease-free survival and overall survival rates for patients.
A new human ancestor species, Australopithecus deyiremeda, has been discovered in Ethiopia that lived alongside Lucy's species. The species differs from Lucy's in terms of its thick-enamelled teeth and lower jaw architecture.
Stan Yavno's research on non-native pumpkinseed sunfish found high levels of morphological plasticity, facilitating their ecological adaptations in new areas. This finding is significant as it suggests that invasive species can outcompete native populations through phenotypic plasticity.
Scientists have devised a new method to investigate factors contributing to biological invasions of non-native species. The study successfully distinguished between two-wave and single-wave invasions using genetic data, allowing for better ecological understanding and management strategies.
A new study reveals that monk parakeets invading Europe and North America share similar genetic patterns, indicating they originated from the same small area in Uruguay. The invasive populations have lower genetic diversity compared to native populations, which is unusual for species with successful invasions.
Scientists have identified two new iguanid lizard species from the Laja Lagoon in Chile, expanding our knowledge of the region's unique reptilian diversity. The study describes two new species within the Liolaemus elongatus-kriegi complex, highlighting the importance of continued research into Patagonian lizards.
A study in a California grassland reveals fundamental principles underlying disease dynamics, predicting pathogen spillover based on species relatedness. The results show that closely related species are more vulnerable to disease, while introducing rare species can create openings for less common species.
Invasive species can spread rapidly due to rapid evolution, contradicting previous predictions. This accelerated invasion rate is crucial for understanding ecological and socio-economic impacts of invasive species.
A study of disease dynamics in a California grassland reveals fundamental principles underlying the spread of pathogens among species. The researchers found that the amount of disease on each species depended on how common it was, as well as on the abundance of its close relatives.
The study found that increased use of minimally invasive surgery for common procedures can reduce post-operative complications and save $280-$340 million a year in healthcare costs. By adopting more minimally invasive procedures, hospitals can prevent thousands of complications and reduce hospital stays.
New research reveals that non-native plants are less widespread and do not outcompete native species, suggesting alternative causes for vegetation change. High diversities of native and non-native plant species coexist in locations with high native species diversity.
Researchers at University of Waterloo developed a new statistical tool, nicheROVER, to analyze multiple ecological niche parameters and identify overlap between species. This allows for more informed predictions about the impact of invasive species on native ecosystems.
A study by University of Cambridge researchers found that closely-related fruit fly species show similar levels of virulence when infected with an RNA virus. The team's findings suggest a simple rule of thumb: if a pathogen causes high levels of mortality in one host, it may also be deadly in closely-related hosts.
Recent research emphasizes the need for open data to effectively manage and control invasive alien species. Despite various initiatives, access to suitable data remains patchy due to restrictive licensing, technical barriers, and cultural attitudes of organizations.
Patients over 80 with acute coronary syndromes who received invasive procedures had a 47% reduction in heart attacks, urgent revascularization, stroke, and death compared to conservative treatment. The study suggests that older patients may be denied necessary treatments due to their age.
A new study reveals that invasive species like Asian carp use landmarking to find mates by congregating at easily identifiable locations. This strategy allows them to reproduce even when population densities are low, posing a significant threat to conservation efforts.
Researchers found that hydrogels saturated with thiamethoxam dissolved in sugar water reduced the Argentine ant population by 94% in two weeks. The use of hydrogel baits offers an inexpensive, easy-to-apply alternative to traditional pesticides, reducing environmental costs and selectively targeting invasive ants.
Robert McMahon, a renowned expert on aquatic invasive mollusks, has been awarded the Lifetime Achievement Award by the National Invasive Species Council. He is recognized for his decades-long work in preventing and managing invasive species, including zebra mussels, Asian clams, and apple snails.
Researchers at McGill University developed a powerful new intraoperative probe for detecting cancer cells in real time during surgery. The Raman spectroscopy probe has a greater than 92% accuracy in identifying invasive brain cancers, and its use may improve patient outcomes by reducing cancer recurrence and extending survival times.
The EU's new regulation on invasive alien species aims to combat one of the greatest threats to biodiversity, with around 12,000 species currently in the EU. The legislation incorporates the findings of the DAISIE research project and will list prioritized species for transnational threats.
A large study found that laparoscopic radical cystectomy leads to reliable cancer control even years after surgery, with 66% of patients free from recurrence after 5 years. The minimally invasive procedure can be as safe as open surgery for cancer control, supporting its use in bladder cancer management
A study from Purdue University reveals that invasive species can transform landscapes in various ways, including altering sedimentation rates and changing stream channels. The review highlights the importance of identifying high-risk areas and understanding the impacts of invasive microbial organisms.
A new study finds that climate change may tip the scales in favor of invasive wetland plants, which can outcompete native species due to their natural phenotypic plasticity. As environmental changes occur, invasive species will gain an advantage over native species, potentially reducing biodiversity and ecosystem function.
Researchers studied molecular tools to understand the influence of the Isthmus of Panama on freshwater shrimps. The results showed that sister species remained genetically isolated despite potential crossing through a channel.
Researchers found that minimally invasive disc surgery does not support the routine use of the procedure, as it does not improve long-term outcomes. The study suggests that conventional open discectomy surgery often provides better results for carefully selected patients.
A global research effort has resolved a major biosecurity issue by identifying four destructive fruit fly species as one, Bactrocera dorsalis. The combination of these species will lead to improved international cooperation in pest management and enhanced food security for some of the world's poorest nations.
Researchers developed a non-invasive method to detect Aspergillus fumigatus and other fungi causing pneumonia by analyzing patients' breath samples. The test identified 94% of patients with invasive aspergillosis, making it a potential tool for earlier and more targeted treatment.
A new study reveals that harlequin ladybird, an invasive alien species, prefers urban areas and sunnier habitats. The invasive species has outcompeted native ladybirds due to habitat deterioration and competition.
Research reveals that invasive prairie plant Lespedeza cuneata has superior performance when paired with specific bacteria, leading to increased nitrogen fixation and competitiveness. The study highlights the ecological risks of invasive species and underscores the importance of native plant partnerships in soil symbiosis.
The Mediterranean is invaded by over 1,000 alien species, including fish and algae, threatening native biodiversity. Invasive species disrupt delicate balances in ecosystems, causing devastating effects on animal species.
Research by Queen's University biologist Paul Martin found that smaller bird species can overcome size disadvantages when interacting with distantly related species. The study examined 23,362 aggressive interactions among 246 bird species pairs and identified specific traits that enhance small species' abilities in conflicts.
A study found that modern methods for predicting species distributions under climate change often leave out rare and threatened species. In Africa, over 90% of listed species are missed by popular tools, despite these species being critical to conservation efforts.
A new study reveals nearly half of Galapagos Island's canopy is comprised of non-native trees, shrubs, and grasses, competing with native species for resources. The research provides a map and database to help managers prioritize invasive species control efforts.
The TX Invasives app allows users to identify 56 invasive plants, 25 insect species, 19 animals, and four pathogens. Citizen scientists have reported over 17,000 invasive species observations since 2005, aiding in management decisions and responding to new threats.
A University of Georgia study found that Japanese stiltgrass creates a habitat for wolf spiders, which then feed on American toads. The study reveals that the invasive grass reduces toad survival by increasing spider densities.
Researchers at the University of Illinois have developed regulatory definitions and a list of 49 low-risk biofuel plants to prevent invasive species. The 'white list' offers producers clearly identified options, reducing conflicts between renewable fuel production and environmental concerns.
A new study from Dartmouth College suggests that climate warming can affect the success of invasive species in different ways. The research found that warmer temperatures can favor non-native crustacean zooplankton by increasing their growth rate and making them less vulnerable to predators.
Research suggests that wildlife corridors can facilitate the spread of invasive species, such as one type of fire ant, by creating connected habitats. The study found that polygyne fire ants, which are poorly dispersing, benefited from corridors, increasing their abundance and negatively impacting native ant diversity.
A comprehensive online resource has been developed to assist in the identification of 194 potentially invasive species from around the world. The new tool, built by the USDA and California Department of Food and Agriculture, includes diagnostic characters, distribution, hosts, and important references for each species.
The Reptile Database has recorded over 10,000 known species, making it the most diverse vertebrate group after fish and bird species. The 10,000th species, Cyrtodactylus vilaphongi, is a tiny gecko discovered in Laos.
A new study by Petri Kärenlampi refines the biological evolution model by incorporating species interactions and varying degrees of symmetry. The results show that anti-symmetric interactions lead to large, stable ecosystems, while symmetric systems remain small.
Research found that frog larvae coexisting with the invasive species for 30 years have deeper tails and larger bodies to evade predators. This rapid evolutionary change helps increase their survival chances.
Researchers found that Kellet's whelk hosts living beyond their historic Point Conception boundary have neither the amount nor diversity of parasites as those in southern counterparts. This suggests that the northern whelks may have escaped their parasites due to low host densities and limited parasite transmission.
A new study finds that minimally invasive surgery is underutilized in many US hospitals, with significant variability in procedure types and complication rates. The study suggests that differences in physician training and hospital practices contribute to this disparity.
A study found significant variation in the use of minimally invasive surgery among US hospitals, with some offering it to only a fraction of eligible patients. Surgical complications are estimated to cost $25b annually in the US and can be reduced by using minimally invasive surgery.
Researchers warn that invasive watersnakes in California pose a threat to native and endangered species, including the giant gartersnake, California tiger salamander, and foothill yellow-legged frog. The snakes' spread could disrupt ecosystems and lead to further declines of already imperiled native fish and amphibians.
Research from the University of Texas MD Anderson Cancer Center found that African American women with early-stage invasive breast cancer were 12% less likely to receive axillary sentinel lymph node biopsy, a minimally invasive technique. The study also showed that those who received older, more invasive axillary lymph node dissection ...
Research reveals that Spanish slugs (Arion lusitanicus) are not native to Spain but originated in Central Europe, contradicting long-held assumptions. The findings highlight the need for reevaluation of EU regulations on invasive species and encourage a more nuanced approach to labeling non-native species.
A study published in Science reveals that eradicating invasive species can sometimes harm endangered ones, such as the California Clapper Rail. The researchers found that slowing down invasive species eradication allows for restoration or natural recovery of the ecosystem, providing suitable habitat for the endangered species.
A new study published in Science examines the conflict between invasive species removal and endangered species recovery. Researchers at UC Davis recommend slowing down invasive species eradication to allow restoration or natural recovery of habitats.
The opening of new Arctic shipping routes poses significant risks to the north Atlantic and north Pacific coasts from invasive species. Scientists warn that unchecked commercial shipping could drastically alter the exchange of invasive species across the region.
A study by researchers from the University of Montana finds that climate warming is increasing hybridization between native westslope cutthroat trout and invasive rainbow trout. This accelerated hybridization threatens the genetic integrity and diversity of native species.
The study found that climate change has accelerated the spread of hybridization between native westslope cutthroat trout and introduced rainbow trout in North America. Hybridization has contributed to the decline and extinction of many native fish species, including all subspecies of cutthroat trout.
A recent study published in JAMA found that the antifungal medication fluconazole did not significantly reduce the risk of death or invasive candidiasis in extremely low birth-weight infants. The study included 361 infants from 32 NICUs and randomly assigned them to receive either fluconazole or placebo for six weeks.
Researchers found that filling of ecological niches slows the diversification of Himalayan songbirds. The study, which analyzed genetic relationships between 461 songbird species, discovered that eastern Himalayan species are separated from each other by six to seven million years, suggesting a slowing of evolution.
Researchers pinpoint normal cell type that can give rise to invasive bladder cancers, explaining recurrence after therapy and potential therapeutic targets. Most bladder cancers arise from a corrupted lining with high probability of progression.