Researchers at the University of Miami Rosenstiel School used data from international scientific cruises to map the distribution of dissolved organic carbon in the Atlantic Ocean. They found that one third of global ocean net production comes from this basin, with nutrient arrival predicting DOC production.
A study published in Ecology Letters examines the relationship between agricultural runoff and harmful algal blooms in the Gulf of Mexico, revealing that managing landscapes at watershed levels can improve water quality. Reservoirs are identified as areas where nutrient loads could be diminished without affecting silica concentrations.
Research suggests that increasing plant diversity can limit the nutrient supply for insect pests, reducing their populations. By introducing different genotypes of the same crop species with varying nutrient levels, farmers may be able to control insects while maintaining consistent production.
A new study published in Nature found that plant diversity can suppress insect pests by being variable, not just low quality on average. Researchers discovered that bugs have narrow ranges of nutrient levels where they flourish, making it easier to control pests.
A study by Wortman et al. recommends using perlite mixed with coco coir or vermiculite and synthetic fertilizer to maximize strawberry yield in vertical, hydroponic systems. The results showed that cultivars like Florida Radiance, Monterey, Evie 2, Portola, and Seascape were among the highest-yielding in at least one site-year.
A new study from the University of Nebraska-Lincoln found that male dark fishing spiders' self-sacrifice after mating benefits their offspring, producing nearly twice as many spiderlings and those growing up to 20% larger. The females who consumed their mates survived about 50% longer than those without this behavior.
Bovine colostrum exhibits potent antimicrobial activity against Gram-positive and negative bacteria strains. It also demonstrates anti-inflammatory effects, with a combination treatment showing greater benefits than individual treatments.
Women who undergo gastric bypass surgery for weight loss may give birth to babies with lower average birth weights due to nutrient deficiencies. The study found that 23% of newborns were small for their gestational age and had lower levels of key nutrients like calcium and zinc.
A new international study links fertilizer addition to decreased plant diversity in diverse ecosystems globally, highlighting the need for ecosystem preservation strategies as they face multiple human-induced threats.
A global study finds that adding nutrients to grassland ecosystems reduces biodiversity by removing niche opportunities for species. Researchers challenge the idea that single resources limit species diversity, instead discovering complex interactions between multiple nutrients and light.
Researchers found that a nitrate-based fertigation strategy in semiclosed soilless systems improves water use efficiency and limits nutrient loss. The study showed that this approach can prolong nutrient solution recirculation without detrimental effects on plant growth.
A global experiment by researchers found that adding multiple nutrients leads to reduced grassland diversity due to increased competition among species. This study provides evidence that human influence on nutrient cycles is driving environmental conditions beyond planetary boundaries, threatening irreplaceable biodiversity.
In laboratory experiments, scientists found that normally mutualistic strains of yeast became competitive and even drove one strain to extinction when environmental conditions were benign and nutrients were plentiful. The researchers developed a model to predict the type of mutualistic relationship that would develop between species ba...
The Permian-Triassic extinction event saw 96% of marine species and 70% of terrestrial life die off due to explosive volcanic eruptions in Siberia. The Arctic region reveals clues about the delayed recovery, with evidence of a significant nutrient gap during this period.
Geophysicists at the University of Bonn have visualized plant root activity using electrical impedance tomography, allowing for non-invasive monitoring of nutrient uptake. The method provides insights into plant behavior under different conditions, such as drought or nutrient stress.
Researchers at Aarhus University have developed an alternative fertilizing source for organic farming, allowing farmers to harvest mobile green manure repeatedly without affecting crop yields. The method has the potential to improve fertilizer quality and reduce the need for conventional animal manure in the future.
A recent study found that coral reefs with fewer large, predator fish have nearly half of their key nutrients absent. Fish play a crucial role in recycling nutrients in the reef's tight nutrient cycle. The researchers suggest that curbing fishing practices targeting large predator fish could help reefs recover.
Breast milk from women who give premature birth differs in macro and micro nutrients, with higher levels of certain nutrients to compensate for the baby's underdevelopment. The new method offers a possibility to customize milk for premature infants.
A study on sole-source LEDs found that increasing light intensity and quality negatively impacts nutrient content in Brassica microgreens. Growers can use the data to select beneficial lighting practices.
Researchers found that different tree species employ unique strategies to acquire nutrients, with thicker roots avoiding hot spots and thinner roots relying on fungal partnerships. Understanding these strategies can help predict forest responses to climate change.
Researchers found that incorporating an unfertilized winter wheat cover crop into annual crop rotations can significantly reduce nitrogen and phosphorus lost from row crops, enhancing downstream water quality. The strategy may also help alleviate the Mississippi River's nutrient load contributing to the Gulf Dead Zone.
A new gene called Wars2 has been identified as a key player in blood vessel formation, providing a potential target for new therapies against cancer and heart disease. The discovery was made by researchers at Duke-NUS Medical School who found that inhibiting Wars2 function impaired blood vessel formation in rats and zebrafish.
Agroforestry allows farmers to balance biomass trees with crops, capturing more carbon, filtering nutrients, and stabilizing soil. The practice offers greater economic security and long-term benefits for farmers.
In times of famine, microalgae switch to efficient metabolism before partially digesting themselves to conserve nutrients. The study reveals the molecular mechanisms behind this process, which also impacts human cancer cells.
In a groundbreaking study, pea plants were found to make choices that take into account environmental variance, similar to animal behavior. The plants grew more roots in pots with variable nutrient levels when conditions were poor and more roots in constant pots when conditions were good.
A study found that pea plants choose to grow more roots in a pot with variable nutrient levels when the average level is low, accepting more risk. This decision-making ability allows them to adapt and respond to their environment much like humans or other animals.
Researchers at Drexel University discovered that diatom species composition can be correlated with New Jersey water quality standards, making them an efficient indicator of nutrient levels. The team created the diatom biological condition gradient (BCG) scale, which provides a clear and comprehensive picture of water quality.
Researchers at the University of Bristol have developed a new bio-ink containing stem cells that can be printed using 3D technology. The bio-ink allows for the creation of complex living tissue structures with microscopic pores, providing effective nutrient access for stem cells.
The NOAA-sponsored Gulf of Mexico hypoxia forecast predicts an average dead zone of 5,898 square miles, affecting nationally important commercial and recreational fisheries. The forecast uses multiple models to provide better information to communities and businesses, and aims to reduce the threat of hypoxic zones.
A three-year study found that corals are declining worldwide due to a combination of threats including overfishing, nutrient pollution and pathogenic disease. The study reveals that even modest temperature increases make corals more vulnerable to bacteria, leading to increased algal cover and coral mortality.
A three-year study found that 62% of corals weakened by pollution died when parrotfish bit them, turning a natural process into coral murder. Multiple stressors combined with warming temperatures facilitate pathogens, killing corals.
Researchers found that a combination of factors including overfishing, nutrient pollution, and pathogenic disease weaken corals, allowing opportunistic pathogens to build to deadly levels. The study suggests that coral reef declines are being caused by the interaction of multiple local stressors and global warming.
A WSU biologist has spent 20 years studying the movement of nutrients through plants, confirming an 86-year-old hypothesis about phloem transport. His research could lead to new strategies for fighting plant diseases and improving crop efficiency.
Researchers at the University of Washington found that bacteria in tree branches can fix nitrogen, a crucial nutrient for plant growth, without requiring root nodules. This breakthrough could significantly reduce fertilizer use and costs, benefiting agricultural crops and bioenergy production.
A recent study reveals that bacteria can differ significantly in their response to a lack of nutrients, allowing the group to continue growing even when some cells suffer. This phenomenon promotes flexibility and diversity within bacterial populations.
A new framework proposes that rapid marsh bank sediment build-up does not equate to increased land loss resilience, according to researchers from LSU and Boston University. The study suggests that natural sediment recycling processes in marsh channels may be overestimated when vertical accretion rates are compared to sea-level rise.
New research reveals Saharan dust enriches underwater plants in the Caribbean with iron and other nutrients. However, this increase in nutrients also supports an explosive bloom of toxic bacteria such as Vibrio.
Researchers have developed a method to detect and map fungal associations between forests and fungi using satellite data, providing insights into tree species' nutrient status and ecosystem productivity. This technique allows scientists to study complex processes like nutrient cycling at vast scales.
Algae farming is sensitive to fertilizer costs, with ammonia and carbon dioxide being major concerns. Approaches like increasing surface area, partial pressure, and contact time can improve nutrient utilization efficiency for CO2. Dosing ammonia at a controlled rate can minimize its volatility and toxicity.
Researchers found that levels of magnesium rise and fall in a daily cycle, controlling the cells' internal clocks and impacting metabolism. This discovery may aid the development of chronotherapy and crop varieties with increased yields or adjustable harvesting seasons.
Using satellite data and subsurface observations, researchers aim to better understand the ocean's biological carbon pump and its response to climate change. The study's findings have significant implications for predicting CO2 levels and understanding the Earth's climate.
A new biotechnology discovered by ASU researchers enhances plant tolerance to stress, improving water and nutrient use. This leads to increased biomass and yield, reducing the need for fertilizers and other resources.
Researchers found a unique cyanobacterium that provides nitrogen to a more complex cell host without photosynthesis, evolving around 90 million years ago. This 'slaving event' is crucial for the marine food web, providing bioavailable nitrogen.
A new University of Michigan-led study concludes that meeting the goal of reducing levels of algae-promoting phosphorus in Lake Erie by 40 percent will require widespread use of strong fertilizer-management practices, significant conversion of cropland to grassland and targeted conservation efforts.
Researchers discovered that thale cress plant tolerates fungus when it needs help obtaining phosphate, rejecting it otherwise. The plant controls interaction through its immune system linked to a sensor for phosphate availability.
Researchers at the University at Buffalo discovered how yeast cells decide their direction of growth, revealing the concept of polarity and its role in propelling single-celled organisms forward. The study found that Bud proteins play a crucial role in determining cell orientation, adapting to changes in nutrient availability.
A new study by UC Santa Barbara researchers finds that excess nutrient input leads to imbalances in mutualistic species interactions. This can have far-reaching implications for ecosystems, including decreased growth of fungal partners and increased growth of plant partners.
A study evaluated organic trailing blackberry production practices, recommending weed mat management to increase production and profits. Soil pH, organic matter content, and macronutrient concentrations were affected mainly by year and weed management strategy.
Researchers from KU Leuven develop a technique to precondition bone cells for improved survival, increasing their chances of repairing large bone fractures. By activating a dual defense mechanism, the cells can store energy and produce antioxidants, leading to better healing outcomes.
Soilless farming proposed as a solution to Qatar's food shortage, increasing crop yield by 100 times compared to conventional farming. The system uses nutrient-enriched water and advanced hydroponics to provide reliable quantity and quality of crops, while reducing costs and environmental impact.
Recent studies on the Elaeocarpus joga tree from Guam have identified nitrogen and potassium as limiting factors for its growth in limestone soils. This knowledge is crucial for conserving large charismatic trees and restoring degraded landscapes to improve island ecosystem health.
Researchers found that iron fertilization in one area can inhibit growth in others, highlighting the complexity of ocean nutrient cycles. This study challenges the idea that fertilizing oceans with iron could be a major force in spurring and maintaining ice ages.
Researchers found that areas previously depleted of salmon are on a fast track to recovery, with American dipper birds showing improved physical condition and reproductive success when accessing salmon. The studies suggest rivers can recover within a generation after dam removal, offering a promising conservation outcome.
A study by Michigan State University found that scheduling irrigation according to plants' daily water use can reduce water applications by 22-28% and runoff volume by 36-67%, while decreasing nutrient loads. The technique also shows no negative impact on plant growth, offering a sustainable solution for nursery producers.
A new study predicts that climate change will lead to a doubling of severe algal blooms in Lake Erie over the next 100 years. The study suggests that reducing nutrient inputs may not be enough to prevent these blooms, which could have devastating impacts on the region's drinking water and tourism industries.
Researchers used biosolids to create a soil blend that supported healthy bacteria, fungus, and plants, outperforming traditional compost in restoring the degraded surface area of Lake Calumet Cluster Site. The 'dream treatment' has potential to restore poor quality soils in Chicago's dense urban areas.
A new University of Florida study suggests that coral reefs may be more vulnerable to nutrient pollution from human activities, even with the presence of herbivores. The research highlights the need for a holistic approach to protecting these ecosystems.
A new study reveals that just 9% of migratory birds have adequate protection across their migration cycle. Many species face declining numbers over the past 30 years, emphasizing the need for improved conservation efforts.
A new study published in the Journal of Nutrition found that walnuts may provide 146 calories per serving, 39 calories less than the previously listed 185 calories. The research used bomb calorimetry to calculate metabolizable energy and took into account the digestibility of walnut pieces.
Researchers have successfully mapped the 3D structure of cubosomes, a biological 'capsule' that delivers molecules with high efficiency. The breakthrough can help promote the use of cubosomes in medicine and food science.