Articles tagged with Invasive Species
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Urbanization may be shaping the spotted lanternfly's spread into new environments by allowing them to adapt to heat, pollution, and pesticides. The insects' genetic diversity is lower in the US compared to China, but they are still adapting to local climate conditions.
Researchers have catalogued 2554 non-native plant species that may pose a threat to Arctic biodiversity. The study used data from over 51 million occurrences of these species to create a map highlighting hotspot areas in the region.
A recent study published by the Ecological Society of America highlights the impact of rainstorms on environmental DNA in streams. Researchers found that rainfall can wash away genetic material from land-based species and deposit it into nearby waterways, providing a fuller picture of who is present. In another study, scientists discov...
A global study reveals invasive alien species reduce terrestrial insect abundance by 31% and species richness by 21%. Insects are often overlooked victims of invasion, exacerbating population declines and ecosystem disruption.
A three-year study by the University of Stirling has shown that Himalayan balsam disrupts riverbank stability, causing erosion during high-flow periods. This leads to increased sedimentation, damaging habitats and wildlife, and changes to river shape and structure.
A new multi-omics framework proposes a proactive, predictive, and integrative approach to invasive species management. The framework uses advanced technologies to detect, track, and manage invasive species with unprecedented precision.
The Chinese hwamei, an invasive alien bird species, has expanded into Japan's mountainous regions, including alpine zones. The study found that it breeds in these areas during the summer and migrates to lower elevations in winter.
Researchers recorded lemon sharks preying on jaguar cichlids, an invasive species introduced to Fernando de Noronha, in Sueste Bay. The bay's saltwater environment allows for the interaction due to freshwater inflows after heavy rains. This observation suggests that sharks may play a role in controlling invasive species populations.
Researchers explored the impact of urbanization on pollinators, found that trees' root systems shift with age, and discovered sea urchin 'halos' as indicators of ecosystem vulnerability. The studies highlight the need for tailored conservation strategies to address regional ecological challenges.
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.
Researchers developed an AI-driven framework to predict which plant species are most likely to become invasive before they even arrive in a new location. The methodology combines decades of ecological data with machine learning methods to identify high-risk species.
A new study reveals that land-use change was the primary cause of biodiversity loss on Mount Kilimanjaro's lower slopes over the last century. Human activities such as population growth and economic development led to a decline in plant species diversity, with up to 75% lost per square kilometer.
Aedes aegypti and Aedes albopictus mosquitoes have been detected in the UK, posing a public health risk due to their role as vectors of diseases such as dengue and chikungunya. The detection highlights the importance of ongoing surveillance to reduce the risk of mosquito-borne diseases.
A new study reveals that Indo-Pacific fish species are being carried into the Mediterranean Sea through the Suez Canal and sea currents. Cargo shipping is now identified as a key driver of these invasions, with targeted management needed at major shipping hubs.
A study by the University of Konstanz found that plant species which have expanded rapidly in their European home regions are more likely to become widely naturalized globally. The researchers identified common characteristics among these successful plant species, including being tall, ecologically versatile and highly competitive
Albino cane toads created using CRISPR technology reveal that albinism affects survival and hunting abilities, with poor eyesight being the core problem. In controlled environments, albino tadpoles were less likely to survive and developed faster when competing with pigmented siblings for food and space.
A University of Toronto study finds that global warming may increase the risk of invasive ant species by enabling them to expand into outdoor environments. Researchers warn that some indoor-only ant species have the potential to cause significant damage if they become established outdoors.
The study found that bird species richness declined on nearly all Izu Islands, resulting in a degradation of bird communities. The degradation is likely due to direct predation and reduced food resources caused by introduced Japanese weasels.
Researchers at Kyoto University discovered that crested serpent eagles possess a unique genetic mutation allowing them to resist the toxins of invasive cane toads. The eagle's toxin resistance is attributed to the same amino acid sequence as the Siamese red-necked keelback snake.
Researchers analyzed 96 years of forest census data, revealing homogenization trends and loss of tree species. The study suggests that reduced forest diversity makes the ecosystem less resilient to future disturbances.
A study led by Virginia Tech found that volunteer dog-handler teams can effectively detect the elusive egg masses of the spotted lanternfly, an invasive insect damaging farms and forests across the eastern and central United States. With proper training, dog owners can turn their pets into powerful partners for conservation.
The EUFAWREADY project aims to address the challenge of fall armyworm in European agriculture by providing tools for early detection and effective management. The project will enhance the readiness of European stakeholders and minimize its economic, environmental, and social impacts.
A study suggests that eliminating invasive rats can restore the flow of nutrients across food chain networks in Seychelles, potentially enhancing ecosystem function on coral reefs. Seabird populations play a mediating role in this process by increasing turf algae growth and stimulating top-down controls.
Feralisation in rabbits leads to variable body sizes and skull shapes that don't simply revert to wild or domestic forms. The study suggests environmental factors drive these changes, potentially influenced by evolutionary pressures and habitat conditions.
The Ecological Society of America presents a compilation of five research articles exploring various ecological topics. Researchers found that historical nursery catalogues can predict plant invasion likelihood and identify invasive species. Urban ecosystems provide critical habitat for monarch butterflies in Northern California, while...
A new study finds that over a quarter of naturalised plant species worldwide are threatened in parts of their native range, raising questions about global conservation efforts. The researchers argue for a nuanced approach to evaluating non-native species, acknowledging both risks and potential conservation opportunities.
A team of scientists has discovered a prehistoric tegu fossil in the US, revealing that these charismatic lizards were once native to North America. The fossil, dated to the Middle Miocene Climatic Optimum, is believed to have been present in present-day Georgia during a warm period, before global temperatures cooled and they disappeared.
The latest watchlist identifies 145 non-native animals and plants that could impact biodiversity, ecosystems, human health, and economies in Britain. The top 20 threats include invasive salmon, clams, seaweed, and species like the yellow-legged hornet, raccoon, and Emerald ash borer.
Researchers at Washington State University discovered that juvenile European green crabs can cause significant damage to shellfish, native eelgrass, and the ecosystem. The study found that even young crabs can crack into immature shellfish with ease, challenging current removal techniques.
A study by Swansea University reveals that native and invasive small mammals are sharing their gut microbes as habitats change, highlighting the importance of microbiome similarity in adaptation to new environments. This finding has implications for understanding the impact of urbanization on wildlife health and disease spread.
A Brazilian study estimated deer population density in the Atlantic Rainforest, revealing human pressures like hunting and livestock diseases significantly impact deer numbers. The research provides strong evidence for conservation management and protected area protection.
Researchers found introduced tree species are picking up speed and decreasing native diversity over time. The study used data from a 120-year-old program to quantify the effects of introduced species on native ecosystems.
Rising temperatures and increased trade enable pests to spread globally, intensifying agriculture weakens natural pest control. Crop losses exceed 40% due to pest and disease impacts, necessitating urgent action for climate-smart management strategies.
A University of Florida study reveals that termites are spreading globally via boats, causing significant damage and economic loss. The research highlights the importance of boat inspections to prevent the spread of invasive termite species.
A new approach is needed to monitor species and protect them from climate change, land use, pollution, and invasive non-native species. The study proposes a framework that integrates all available methods for studying insects, including comparing diversity and abundance over time and across different habitats.
The European Catfish has a prolonged breeding season of almost five months, allowing its offspring to survive extreme events and compete for food resources effectively. This finding is crucial for controlling the species' population, as removing larger individuals can help reduce fecundity.
The discovery of a 522 mm male silver-cheeked toadfish with potent neurotoxin tetrodotoxin in the northern Adriatic raises concerns about its impact on marine biodiversity, fisheries, and public safety. The species poses a threat to local life and has been found to cause severe injuries.
A new study led by the University of Exeter shows that social media can be used to monitor animal species relocating due to climate change. The researchers examined posts about Jersey tiger moths on Instagram and Flickr, finding they are unexpectedly common in towns and cities.
Researchers used DNA technology to confirm feral cats as primary predators responsible for native animal deaths at two conservation sites in South Australia. DNA analysis revealed that feral cats were culprits in killing of native animals, with 96% of confirmed kills determined by DNA analysis.
A study of Asian hornets found over 1,400 different species in their guts, including a wide range of bees, wasps, and insects. The diet varied strongly over the seasons and between regions, showing that they are highly flexible predators.
Researchers used DNA barcodes to narrow down the possible sources of introductions of an invasive banana skipper butterfly, finding evidence of aircraft-borne introductions in Japan and potentially in Mauritius. The study suggests that gravid females may be attracted to airport lights, increasing the risk of spread to new areas.
A study investigating aquatic species response to environmental stress factors in urban habitats reveals populations adapt and become more resilient. This finding supports the hypothesis that urban habitats provide clues about animal adaptation to future environmental changes.
Researchers used mitogenome data to discover many species colonized Aotearoa at the start of the Ice Age, likely from Australia. Iconic endemic birds, like Haast's eagle, are actually Ice Age arrivals, not recent immigrants.
A new study highlights the effectiveness of detector dogs in mitigating biosecurity risks posed by air passengers. The research found that dogs were particularly effective in detecting undeclared materials, including items linked to fruit fly outbreaks.
A new study estimates it would cost $15.6 billion per year for 30 years to prevent extinction for 99 of Australia's priority species, due to habitat destruction, invasive species, and climate change. The Australian Government has committed to reversing the decline of 110 priority species, but experts warn that urgent action is needed t...
Two new European projects, GuardIAS and OneSTOP, aim to tackle the threat of invasive alien species on endangered species, natural sites, and human health. The projects will use advanced scientific research, cutting-edge technology, and artificial intelligence to develop new tools for detection, prevention, and eradication.
Researchers warn of environmental risks posed by snakes and insects in imported ornamental plants, calling for improved regulations and sustainable practices. The study highlights the difficulty of monitoring and controlling pests due to high-volume trade, posing a threat to ecosystems and human health.
A new study reveals that northern pike are colonizing freshwater habitats in Southcentral Alaska through marine corridors, challenging existing conservation efforts. Researchers analyzed otoliths from caught fish and found isotopic signatures matching upper Cook Inlet water, suggesting the fish had occupied the inlet at some point.
Computer models predict that climate change will lead to an increase in spongy moth outbreaks, causing widespread damage to forests. The fungus that normally curbs the moths' spread is expected to decline, allowing the moths to destroy more trees as temperatures rise.
A study found that dogs were more effective than humans at detecting egg masses of invasive spotted lanternflies in forested areas near vineyards. In contrast, people spotted the egg masses better in vineyards. The trained dogs had a higher detection rate in forests due to their sense of smell.
A new study confirms the UK's effective action against the invasive Asian hornet has prevented its establishment. The invasive species, which devastates honeybee colonies in France and Italy, was first reported in the UK in 2016 but has not spread due to rapid eradication efforts by authorities and vigilant citizens.
A study reveals that 36 non-native mammal species are threatened in their original range, highlighting the need to weigh opportunities and risks of non-native populations for species survival
A study by the University of the Basque Country has optimized the conservation of Asian hornet baits, extending their service life to at least 14 days when refrigerated with CO2. This method helps control the invasive species, which is a predator of honey bees and causes significant economic losses.
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.