Cyanobacteria can solidify inorganic materials like CO2, making them valuable for sustainable construction. Researchers developed an additive co-fabrication manufacturing process using bacterial strains and robotics.
A recent study by BirdLife International reveals that nearly four in 10 of Europe's bird species are now of conservation concern, including 14% of global concern. The continent's nature is facing an urgent need for comprehensive restoration legislation to halt and reverse the decline in threatened bird species.
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.
Researchers uncovered a deadly trade where Bolivian prisoners sell jaguar skins and body parts to produce wallets and other fashion items. The illegal market poses significant threats to jaguar conservation despite international protection since 1975 and national protection in Bolivia since 1986.
Researchers from the University of Arkansas found that organic sweetpotato growers can improve yields by selecting top-performing cultivars and using winter cover crops. The study also showed benefits for conventional production systems, as limited herbicides are available for weed management in sweetpotatoes.
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 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.
Researchers developed a bioeconomic model to overcome the cost barrier of high-density planting for weed suppression. The study found distinct physiological differences in crops that impact the balance needed to achieve a cost-neutral result.
A new study found that cover crops grown concurrently with cash crops can effectively reduce weed biomass in California orchards. The researchers discovered that planting cover crops early in the growing season, when adequate moisture is available, results in predictable and abundant plant cover.
A five-year field study found that indaziflam reduces downy brome abundance and enables native perennial grass cover. Indaziflam delivered longer-term benefits compared to imazapic, controlling downy brome across the entire study period.
A recent study found that a single high-performing cover crop can effectively suppress weeds, even surpassing the benefits of mixtures containing multiple species. The research demonstrated that monoculture cover crops, such as buckwheat and oat, outperformed average mixtures in terms of productivity and weed suppression.
Research finds Palmer amaranth populations in Arkansas and two Southern states are resistant to S-metolachlor, a Group 15 herbicide. Resistant populations require more herbicide to control seedling emergence, but remain susceptible to other VLCFA inhibitors like dimethenamid-P and pyroxasulfone.
Pairing prescribed burning with the residual herbicide indaziflam provides better control of downy brome than either method used alone. Burning stimulates native species and impedes emergence of new seedlings, while indaziflam helps maintain plant community diversity.
Researchers found that electrocution treatments can eliminate up to 97% of late-season, herbicide-resistant waterhemp plants. The treatments also reduced weed seed viability by 54-80%, with some studies showing yield losses of 11-26%.
A recent review of 25 years of data on herbicide-resistant crops found they can play a key role in integrated weed management, reducing herbicide use and weed population selection pressure. However, growers often rely solely on these crops, leading to widespread herbicide-resistant weed populations.
A University research team explored the impact of environmental conditions on remote sensing results. They found that light reflections vary by weed species and density, allowing for more accurate differentiation between crops and weeds.
A study by Montana State University found that preemergent herbicide indaziflam is effective in controlling non-native annual mustard plants, but negatively impacts native forbs, reducing their richness by approximately 50%. The use of indaziflam may need to be limited to areas with less native vegetation.
Researchers found a marked increase in horseweed infestations over five years, with the weed appearing in every county surveyed annually. The study also identified significant clusters of horseweed movement, highlighting the need for proactive control measures to reduce yield losses.
Researchers from MIT have developed a way to use carbon dioxide monitors to estimate indoor COVID-19 risk in near real-time. The model takes into account various factors such as ventilation, mask usage, and activity levels to provide an indoor reproductive number that represents the virus's transmission rate.
Chapman's Pygmy Chameleon, one of the world's rarest chameleons, has been found in surviving patches of forest in Malawi. The species was feared extinct due to forest loss and habitat fragmentation, leading to reduced genetic diversity and increased extinction risk.
A study by Michigan State University found that horseweed's growth type is influenced by environmental cues, with rosette plants emerging in response to temperature and photoperiod variations. Upright plants, resistant to glyphosate, are three- to four-fold less sensitive than their rosette siblings, making them harder to control.
Researchers found a clear relationship between temperature and aggressive incidents, with hotter weather linked to higher rates of incidents. There were on average 15% more aggressive incidents on days over 30°C compared to cooler days.
Researchers identified 22 invasive plants threatening native species in New England, while 16 also impact agriculture, human health, or the economy. Home gardeners' access to these high-risk species can accelerate their introduction, highlighting the need for proactive management and regulation.
Researchers highlight Minnesota's success in eradicating Palmer amaranth, a hard-to-control noxious weed that can significantly reduce crop yields. The state's coordinated approach, including broad cooperation among stakeholders and swift action, led to the eradication of infestations at multiple sites across the state.
A new rapid 'leaf-disk assay' uses chlorophyll fluorescence emissions to determine herbicide resistance. The technique quickly identifies resistant populations, enabling growers to take proactive steps against spreading resistant weeds.
A 13-year study in Florida found that biological controls significantly reduced the size of new paperbark tree populations after wildfires. The treatments helped to slow growth and inhibit reproduction, allowing land managers to prioritize removing large trees.
Researchers found that environmental conditions and agronomic factors influence seed production and shattering patterns in four major weeds of the Pacific Northwest. Feral rye showed the greatest potential for harvest-time control due to slower shattering rates, while rattail fescue was a poor candidate.
Research highlights three common risk factors for maternal mental health problems: changes to work, marital conflicts, and pandemic-related distress. Mothers with stronger support networks, including grandparents, are less likely to experience mental health issues.
A comprehensive review of cephalopods in the Canary Current Large Marine Ecosystem has identified 138 species, including some recorded for the first time. The study expands on known distributions and sheds light on biodiversity, composition, and ecology of these marine animals.
The new journal, Biological Imaging, provides an interdisciplinary forum for quantitative and computational imaging in life sciences, covering topics like microscopy, image acquisition, and machine learning. The journal aims to drive cross-fertilization across research applications and inspire innovative work.
A recent study published in Invasive Plant Science and Management found that genetic diversity among alligatorweed populations affects their response to control measures. The research team identified six genetic variations of the plant, including those responding differently to herbicides and biological controls.
Researchers found dicamba interferes with glyphosate and clethodim control, reducing effectiveness by 25% and 6.5% respectively. Junglerice was the most prevalent weed to escape treatment in dicamba-resistant fields.
A large-scale survey of over 1,300 Syrian school children found negative impacts from nine years of conflict, including high levels of post-traumatic stress disorder (PTSD), problematic anger, and mental health issues. Girls reported worse mental and physical health than boys and a higher probability of PTSD.
The journal Invasive Plant Science and Management has launched a new series on the biology of invasive plants, focusing on emerging threats such as Pyrachantha augustifolia. The series aims to provide practical recommendations for intervening with invasive plant species and alerting biosecurity managers.
A study by UCL and Dokuz Eylul University found that COVID-19 vaccine hesitancy is associated with beliefs on the origin of the novel coronavirus. In Turkey, 54% more people believed the virus was human-made, leading to higher vaccine hesitancy rates.
A study published in Cambridge University Press found a significant link between symptoms of depression and perceived risk of COVID-19 infection among adults in Soweto. Those with childhood trauma or existing poverty were more likely to experience increased depressive symptoms.
Researchers found that cereal rye cover crops can reduce horseweed density, but may not eliminate herbicide needs. Planting green with undisturbed cover crops increased biomass and soybean yields.
The SPARC reactor concept leverages scientific progress in magnetic confinement fusion and high-temperature superconductor technology to achieve a compact, high-field DT burning tokamak. Seven peer-reviewed articles provide a comprehensive physics basis for the design.
Researchers found that four out of seven commercial formulations of dicamba and 2,4-D became highly acidic when mixed with glyphosate, increasing volatility. High temperatures and low wind speeds resulted in greater soybean injury, while dicamba produced more injury than 2,4-D.
The first commission focuses on scaling sustainable behaviour change, addressing challenges in identifying high-impact projects and understanding the relation between individual behavior and system change. The results will be published Open Access in the Global Sustainability journal, freely available worldwide.
Researchers have identified 31 populations of herbicide-resistant annual bluegrass in Australia, highlighting the narrowing options for effective control. The weed has developed resistance to multiple herbicides, including propyzamide and rimsulfuron, with levels of resistance ranging from two-fold to 56-fold.
The study explores the impact of invasive grasses on South Texas landscapes, revealing their spread across diverse ecoregions. Remote sensing technologies and AI are being used to detect and manage these invasive species, which also affect native tanglehead grass.
A study warns that water frog populations in Turkey's Ceyhan and Seyhan deltas are declining by 20% annually, threatening regional extinction by 2050. The authors recommend banning wild frog harvesting and encouraging sustainable frog farming to alleviate pressure on wild populations.
A study finds that ecotourism has positively transformed people's attitudes towards whale sharks and marine conservation in the Philippines. Locals who work for tour operators report a stronger emotional connection to the species and increased willingness to protect them, leading to more sustainable fishing practices.
Researchers found that cover-crop biomass and carbon to nitrogen ratios significantly influenced weed suppression, with certain mixtures producing more effective control. Cover crops also promoted greater crop yields when used as a sole weed control measure.
A two-year study found that 96% of bird feed mixes contained seeds from pigweed species weeds, which can represent a significant threat to agriculture. Researchers also discovered resistance to glyphosate in Palmer amaranth and waterhemp seeds in some mixes.
A new study found that climate change is likely to cause the extinction of the Greek Meadow Viper, with up to 90% of its habitat becoming uninhabitable by the end of the 2080s. Rising temperatures and aridification due to climate change are the primary threats to the species' survival.
A special issue of Animal Health Research Reviews examines the science behind antibiotic use in food-producing animals to prevent illness. Despite some effective interventions, the evidence base is inconsistent, and more research is urgently needed to guide decision-making on antibiotic stewardship.
A UK study found that children with ADHD in poorer areas are more likely to receive medication compared to those in affluent areas. The research suggests that social deprivation can impact access to non-medication treatments for ADHD.
Researchers discovered impact milling destroys weed seeds, reducing viability by <0.4%> and improving long-term weed management. The method effectively controls Palmer amaranth and other resistant weeds in soybean fields.