Articles tagged with Invasive Plants
A UBC study finds invasive grasses are a sleeper threat on B.C.'s post-fire landscape, with the window to stop them narrow. The research highlights three actions to reduce risk: vehicle and boot washing stations, targeted seeding, and early herbicide treatment.
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 recent study found that almost half of garden ponds surveyed contained at least one invasive plant species. Researchers are calling for environmental education and awareness about the risks of invasive species to prevent their spread. Alternative, native plant species should be promoted to help manage ponds sustainably.
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 led by Danish researchers highlights the rapid spread of invasive plant species in tropical regions, altering food chains and damaging traditional ecosystem services. The phenomenon is exacerbated by climate change, leading to widespread ecosystem collapse and degradation.
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
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.
Saharan mustard is overwhelming native plants' seed bank, reducing biodiversity and weakening ecosystems. The invasive species can crowd out native species, altering ecosystem function.
A recent WSSA research article reveals that focusing solely on deer or invasive shrubs yields little forest health improvement. Instead, managing both threats is necessary to promote tree regeneration and plant community restoration, according to a study spanning over 10 years in Ohio.
Researchers from UMass Amherst have identified plant characteristics that can help native species thrive in new environments while minimizing ecological harm. The study suggests focusing on traits like toxicity and water-dispersed seeds, rather than risk-averse approaches.
Matt McCary, assistant professor of biosciences at Rice University, has received a $1.26 million NSF CAREER Award to study the spread of invasive plants and their effects on native ecosystems. His research aims to identify key plant traits driving invasions and advance ecological theory.
Research published in New Phytologist reveals that Japanese knotweed's ability to outcompete native plants lies in its rapid clonal propagation method. This study provides crucial insights into the invasive plant's success and offers valuable knowledge for developing effective control methods.
Researchers at University of Florida identify native species similarity as key driver for invasion spread in eastern US, offering insights for conservationists and land managers. The study updates environmental resistance modeling to consider species similarity, soil type, and human activity.
A new study from the University of Illinois explores how differences in ownership motivation affect willingness to control invasive plants and pests. The research suggests that providing subsidies to the weakest link, such as recreationist landowners, can optimize the effect of control efforts and reduce costs.
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.
The book presents a comprehensive overview of the negative impacts of Prosopis invasions, including changes to land structure and groundwater depletion. Experts warn that if left uncontrolled, the invasion could spread to cover three-quarters of Kenya and cost USD 375 million annually.
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.
Researchers warn of the risks of spreading invasive species via untreated water transfers, which can move between different environments. The study highlights the need for coordinated surveillance and management plans to tackle this threat and conserve freshwater biodiversity.
A recent UC Riverside study found that raking dead grass can boost California's native wildflower diversity, reducing fire danger and increasing plant community changes. The simple, low-cost method of removing invasive grass layers allows native seeds to germinate and grow.
A new study by Rice University researchers found that invasive plants reshape soil microbial communities across the US, making them more uniform and disrupting ecological balance. The study highlights the critical belowground effects of invasive plants on soil health and biodiversity.
The Antarctic Peninsula has experienced a dramatic increase in vegetation cover over the last four decades, with satellite data showing an acceleration of 30% in recent years. This 'greening' trend is attributed to climate change and has significant implications for the region's ecosystem and environmental future.
A recent study reveals that exotic species invasions are driving a stronger response in native ecosystems to climate change. Moderate levels of invasion may even help maintain high biodiversity, suggesting a form of natural species turnover.
Researchers from University of Freiburg and Justus Liebig University Giessen developed a framework to better understand the impact of invasive plant species on ecosystems. The framework combines new technologies, such as remote sensing and ecological monitoring, to learn and predict how invasive plants alter ecosystems over time.
Researchers warn that increasing human activity and climate change could lead to the accidental introduction of non-native plant species to Svalbard, posing a threat to native plants. The study identifies three high-potential species that could spread rapidly if given suitable conditions.
Researchers found that ants need three main things to succeed when hitchhiking: climbing ability, foraging/colonizing behaviors, and temperature tolerance. The study tracked the spread of invasive ants through non-commercial transport on personal vehicles, highlighting a significant threat to native species.
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.
Research shows that long-term declines in pronghorn productivity are associated with increased oil and gas development and woody encroachment. Manual removal of trees and controlled burning could help protect iconic rangeland species like pronghorn.
A recent study outlines a methodology for integrating and harmonising data on plant invasions across Australia. The researchers created a standardised and unified database, the Alien Flora of Australia, to help monitoring and early-warning of alien flora.
A study by IB-UNICAMP researchers showed that restoring biodiverse ecosystems can prevent exotic grass invasion, which is hard to eradicate. The study found that higher plant diversity reduces invasion, likely due to competition for resources in the nutrient-poor soil.
A new study analyzed over 5,700 invasive plant species and found nearly one-third exhibited lag periods between introduction and rapid expansion, with the average time being 40 years. This latency allows them to be overlooked, contributing to their eventual emergence as a serious ecological threat.
Researchers have created an online survey to gather information from gardeners about ornamental plants showing 'invasive behaviour'. The results identified 251 potential invaders, including Mexican fleabane and Himalayan honeysuckle, highlighting the critical role of gardeners in early detection and prevention strategies.
New research shows that native wildflowers, which typically thrive after wildfires, are losing out to invasive plants due to nitrogen pollution from vehicle emissions. Invasive species outcompete native ones, leading to declining plant diversity and ecosystem imbalance.
A study found that crop diversification in the Cerrado biome leads to increased numbers of native mammals and a decrease in invasive species such as wild boars. Diversified crops helped control invasive species that cause damage to farmers.
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.
A comprehensive database of invasive plant impacts in Europe has been created, featuring 266 peer-reviewed publications and 4,259 field studies. The dataset highlights the widespread effects of invasive species on native ecosystems, including impacts on plants, animals, and microbes across various trophic levels.
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.
A recent study by Tokyo University of Science researchers has uncovered the mechanisms by which plants regulate the production of reactive oxygen species (ROS). The findings, published in Physiologia Plantarum, reveal that ROS-generating enzymes are activated through two conserved mechanisms involving calcium ions and phosphorylation, ...
Invasive plants can form persistent seed banks that remain under the soil for years, making eradication impossible. Human activities such as gardening and urban planning fragment natural habitats, facilitating the introduction of new species that adapt to human-modified spaces.
Researchers mapped the role of horticulture in spreading invasive species, projecting future hotspots and abundance under 2°C warming. The study found that plant nurseries are a primary pathway for invasive plant introduction, exacerbating climate-driven invasion.
A recent study found that public gardens and arboretums are inadvertently spreading nonnative, invasive plants to wild areas, threatening native ecosystems. Many examples were cited from Spring Grove Cemetery in Cincinnati, Ohio, including the spread of exotic trees and shrubs with seeds dispersed by wind or birds.
A new study found that urban waterfowl, including mallards and Canada geese, play a crucial role in spreading native and alien plants through seed dispersal. The birds disperse seeds for both aquatic and terrestrial plants, with mallards focusing on aquatic plants and geese on terrestrial ones.
A new study by University of Exeter researchers predicts which regions will be colonized by non-native birds, mammals, and plants. The study found that suitable habitats, dispersal ability, and history of introduction are key predictors of spread.
A meta-analysis found that prioritizing native species can increase invasion resistance by over 50% and reduce invasive alien species' performance. High-density seeding of functionally similar or multifunctional seed mixtures is effective in controlling invasive species, with priority effects strengthened by increasing time advantage.
A new study published in Conservation Physiology identifies the critical limits of plant function under stress, enabling more effective conservation strategies. By understanding these limits, conservationists can identify vulnerable species and allocate resources more wisely.
Thousands of online advertisements for prohibited weeds were discovered through web scraping technology, posing a threat to Australia's environment and agriculture. The study highlights the need for regulation and public awareness to combat this growing problem.
A new study shows that large herbivores can protect local nature by eating and trampling on invasive plant species. Native plants have evolved to withstand the treatment of these herbivores, while invasive plants usually cannot.
Research confirms the EIH hypothesis on a global scale using extensive data, showing that plants from vast, species-rich regions are most successful at naturalizing. Additionally, economic plants from these regions also show similar patterns of invasion and cultivation, suggesting interactions between biological and cultural systems.
A global study reveals that proximity to human activity and native biodiversity are crucial factors in determining the likelihood and severity of non-native tree invasions. Native species help buffer the intensity of these invasions by filling available niches, making it harder for non-native trees to spread.
A study by Cambridge University Press reveals that no-spray buffer zones of 30 meters near riparian areas are critical in protecting waterways from herbicide run-off. The research also found that forest litter retains most of the herbicide mixture, rather than soil.
Research found that grassland fragmentation and plant invasion support generalist arthropod species, but may harm specialist species adapted to forest steppes. Plant invasions, such as milkweed, alter microclimates and vegetation structure, affecting arthropod diversity.
Researchers created a five-part checklist to identify native and invasive common reed populations based on observable traits like stem color and fungal spots. The tool helps land managers target invasive reeds while protecting native plants.
A new framework has been defined to predict plant species invasiveness, considering factors such as native range distribution and characteristics. The study found that plants with large distribution ranges occupying diverse habitats and multiple dispersal vectors are most likely to become exotic.
Research reveals that prescribed burns create favorable conditions for stinknet to spread, outcompeting native plants and reducing soil health. Targeted treatments after burns can help mitigate this issue.
A recent study on buffelgrass control in Arizona's Saguaro National Park highlights the importance of long-term monitoring and surveillance. Low levels of buffelgrass can quickly expand by multiple orders of magnitude, emphasizing the need for sustained efforts to manage its spread.
Researchers discovered supergenes that enabled ragweed to colonize large parts of Europe, changing characteristics such as size and flowering timing to produce highly allergenic pollen. The study highlights the importance of genetic analysis in understanding invasive species' evolution and spread.
A UH-led research team has developed a cost-effective method for removing harmful chemicals and heavy metals from coastal waters by utilizing native aquatic plants. The system, which includes floating aquatic plants and synthetic mats, can help restore ecological balance and keep communities healthy.
A Swansea University research study has evaluated the long-term environmental impacts of different Japanese knotweed management methods. The study found that glyphosate-based foliar spray control is the most sustainable approach, using the least materials and having the lowest economic costs.
Guinea grass, an invasive species in Texas, uses a combination of crowding and chemical toxins to suppress native plants. The researchers found that the toxicity of guinea grass increases dramatically when its shading effect is combined with its chemical warfare, making it harder for native plants to survive.
A new study reveals that alien plant species are expanding their range to higher elevations at an accelerated rate, affecting mountain ecosystems globally. The number of invasive species has increased by 16% worldwide over the past decade, with neophytes colonizing niches that match their climatic preferences.
Researchers conducted a three-year field study to determine how black swallowwort responds to common controls. The study found that annual applications of glyphosate were effective in reducing aboveground biomass, but less effective in reducing cover and stem densities.