Articles tagged with Ecosystems
A recent study suggests that doubling protected lands for biodiversity could lead to substantial regional shifts in land use and potentially fail to protect world's most biodiverse hotspots. The research also found that the land used for growing crops for biofuels could be significantly impacted by the doubling of current protected areas.
Researchers studied pollen data from North America's Neotoma Paleoecology Database to understand plant migration patterns and climate fidelity. Most plant species have exhibited long-term climate loyalty over the past 18,000 years, while some plants adapt locally in response to climate change.
Researchers are using AI to assess soil datasets and measurements, aiming to build an automated data-driven decision support system for European soils. The goal is to create an effective soil health certification system that can be used by farmers, landowners, and policy makers.
Scientists have discovered a connection between Amazon rainforest temperature changes and Tibetan Plateau climate patterns, highlighting the global impact of Earth system tipping elements. The study found a pronounced propagation pathway from South America to Tibet via Southern Africa and the Middle East.
A study by University of Reading ecologists suggests that social and economic factors drive the decline of large carnivore species, with habitat loss being less significant. The researchers propose a sustainable model of development to protect carnivores, but note that this may come at the cost of locking people into poverty.
A study by researchers at the University of Göttingen investigated the effect of mixing wheat and faba beans on pollinating insects. They found that areas with mixed crops were visited equally often by foraging bees as those with single crops. The findings suggest that this mixture may counteract pollinator decline.
A recent study by University of Washington researchers found that climate 'presses' and 'pulses' have equal importance on Magellanic penguin population survival. The team analyzed nearly four decades of data at Punta Tombo, Argentina, revealing a decline in breeding pairs from 400,000 to 150,000 between the 1980s and 2019.
A new book argues that the belief in human exceptionalism contributes to environmental degradation. The authors contend that this mindset is analogous to racism and has led to the extinction of many species. They propose a more inclusive approach, valuing all life forms equally and recognizing our place within the natural world.
A team of researchers at the University of Nebraska-Lincoln has discovered that certain microorganisms, such as Halteria, can eat high numbers of chloroviruses, which are known to infect green algae. This finding suggests that virovory, a virus-only diet, can support physiological growth and even population growth in an organism.
Climate change is expected to lead to a 65% decline in land plants and animals by 2100 if current management strategies are not implemented. Implementing ten key threat management strategies could benefit up to 84% of terrestrial bird, mammal, and plant groups, with a cost of $23 million annually.
Researchers found that biology textbooks published between 1970 and 2019 provided insufficient climate change information, with median sentence counts decreasing over time. Climate coverage has varied substantially, but actionable solutions decreased significantly since the 1990s.
Two crops, celery and cordifolium, were cultivated using reused medium from domestic wastewater and standard Hoagland nutrient solution. The results showed that the reused medium was effective in promoting plant growth, with cordifolium exhibiting better performance than celery, despite initial salt toxicity issues.
Research found that North American wildflower timing is more sensitive to warmer temperatures than surrounding tree growth, threatening the flower's ability to grow. In contrast, European and Asian forests show a synchronized shift in tree and wildflower phenology, potentially leading to increased light for wildflowers.
Researchers from the University of Göttingen found that European beech trees are experiencing increased drought stress in northern Germany due to climate change. The study reveals that dry locations show the strongest long-term decline in growth, highlighting the need for more resilient tree species.
The study highlights the need to address root causes of biodiversity decline, including inequality, consumption patterns, and unsustainable technologies. A 'nature-and-people-positive' approach is crucial for conservation efforts to be successful and equitable.
Research from Aarhus University found that melting glaciers release around 10,000 microorganisms per millilitre of meltwater, leading to estimated annual releases of over 100,000 tonnes of carbon-dense microorganisms to surrounding ecosystems.
A recent study highlights the importance of addressing negative human histories in shaping conservation practices. The authors propose a three-step approach to overcome social-ecological landscapes of fear, which constrain research and hinder ecological inquiry. By recognizing past injustices and engaging with local communities, scient...
Root exudates, organic compounds released from plant roots, regulate soil carbon formation and loss. Contrary to expected results, high rates of root exudation lead to increased loss of soil carbon.
Researchers at Göttingen University found that removing vegetation in small areas led to a significant increase in ground nests, especially with nearby flowering plants. The removal of vegetation proved to be a simple measure to promote ground-nesting wild bees on calcareous grasslands.
A new study ranks Great Britain's city centers based on their green attributes, including tree cover, vegetation, and parks, revealing disparities in urban biodiversity and human health. The top five cities are located in southern England, while the bottom five relate to industrial areas in northern Britain.
Researchers used weather radar to track bird movements and found peak roosting stages shifting earlier due to warmer temperatures. This shift may lead to a shortened pre-migratory season, impacting birds' survival during migration.
Wynne's work identifies key questions and answers needed to study Martian caves, which could hold secrets of life and provide insights into Earth's formation. Caves may also serve as radiation shielding for astronaut habitats on the Moon and Mars.
A team of 70 scientists warns that climate change will drastically reduce the ability to build a sustainable future based on healthy ecosystems. Insects face extinction and ecosystem disruption due to global warming and extreme weather events.
A new study found that bats play a crucial role in protecting young tree seedlings from insect damage, with three times fewer bugs and five times more defoliation when bats are absent. The research reveals a mutually beneficial relationship between bats and oak trees, with bats serving as a key predator for insects that harm the trees.
A new paper highlights the crucial role insects play in ecosystems, including pollination, food sources, and mental health benefits. The authors advocate for a shift in public perception of insects, citing government inaction on biodiversity policy, and outline strategic priorities to support insect conservation.
Researchers from University of Göttingen found that plant water stress, not termites, causes Namibia's fairy circles. The grasses within the circles died immediately after rainfall due to strong depletion of water, while surrounding grasses thrived.
Fossils of ostrich-like dinosaurs from Mississippi provide valuable insights into the diversity and distribution of North American ornithomimosaurs. The discovery reveals that these dinosaurs lived side-by-side with multiple species, including giant body sizes weighing over 800kg.
Scientists are conducting a first-of-its-kind study to investigate the origin of psychedelic compounds in fungi, including psilocybin found in 'magic mushrooms'. The research aims to understand the evolution of these compounds and their potential applications in medicine and conservation.
A team at the University of Exeter discovered that migrating hoverflies orientate towards the north during spring, contradicting previous assumptions. The study tracked the insects' movement from Western France to Cornwall, showing a strong northerly compass sense.
Researchers warn that half of the world's coral reefs may become unsuitable by 2035 due to a combination of climate change stressors. This finding has significant implications for local biodiversity, culture, fisheries, and tourism in Hawaii and beyond.
Invasive alien species threaten EU biodiversity, causing harm to wildlife, crops, and human health. The new awareness campaign urges people to 'Beware of Aliens' and report sightings to prevent their spread.
Scientists have discovered several rare microorganisms, including Legendrea loyezae and Lacerus, which were previously unknown to science. The discovery expands our understanding of the tree of life and highlights the importance of microscopic life.
Researchers at NTNU studied zebrafish brain activity while increasing temperature, finding that brains completely stopped responding to stimuli but then 'lit up' when temperatures reached extreme levels. Adding oxygen improved thermal tolerance and recovery rate in fish, suggesting a key role for glial cells in regulating oxygen supply.
A recent study of Alaskan brown bears reveals that their gut microbiomes play a crucial role in supporting health and achieving comparable size despite eating vastly different diets. The research sheds light on the importance of diverse dietary niches for bears, which can help them extract nutrition from various food sources.
A team of EMBL researchers used data from over 300 human faecal microbiota transplants to investigate the ecological understanding of what happens when two gut microbiomes clash together. The study found that species richness and how different a recipient's gut microbiome is from a donor's are key factors in determining which microorga...
A Rutgers-led study finds that biodiversity of the bee population is crucial for maintaining stable pollination services over a growing season and years. The research suggests that different bee species pollinate the same plants at different times and dominate pollinators on specific types of plants in different years.
Researchers analyzed 306-million-year-old fossilized animal feces and found biomolecular information about long-extinct diets. The study revealed that an unidentifiable extinct animal was a meat-eater or on a predominantly carnivorous diet, with high proportions of cholesterol-derived molecules and a lack of plant-derived biomarkers.
The University of Guam is conducting a four-person research team's study on the genetics of corals from the Northern Mariana Islands to understand coral population connections, diversity, and adaptations. The study aims to identify potential reserves for declining reefs and assess the impact of warming waters.
A new University of Illinois study shows that fathead minnows can handle simulated heatwaves with few nasty side effects. Most minnows rapidly returned to normal physiological functioning after cooling down, but some became more susceptible to oxidative stress.
Researchers assembled a large biologging dataset to understand how sharks, rays, and skates use the ocean depths. They found that many species migrate vertically in response to food resources, with some diving to extreme depths.
Researchers have found that small mammal diversity decreased with increasing human modification and that modern communities are fundamentally distinct from past ones. Even protected spaces can conserve native small mammal communities, highlighting their importance in urban conservation projects.
A research team used game theory to analyze cooperation in networks and found that networks with a high level of cooperation can emerge if individuals take a clear-cut position against free riders. The study also showed that if contributors leave an environment too quickly, it leads to a lower level of cooperation.
A team of US scientists proposes a 'Western Rewilding Network' to conserve and restore ecosystems in the region. The plan aims to reintroduce keystone species like gray wolves and North American beavers to promote biodiversity and ecosystem health.
Researchers investigate how foraging adaptations affect Arctic charr resilience to climate change. The team aims to develop a framework linking genetic and malleable components of feeding trait diversity to population demography, habitat, and eco-evolutionary potential.
A Dartmouth-led study found that urban gardens with rare plant species tend to attract rare bee and bird species. Women, older gardeners, and those living near the gardens are more likely to curate these rare plants, suggesting a cascading effect on biodiversity.
A new study in Frontiers in Microbiology found that centuries-old lava caves on Hawaiʻi Island harbor an astonishing number of previously undiscovered bacterial species, including the Chloroflexi group. These microbes play key ecological roles in their communities and may have played a crucial role in shaping life on Mars and early Earth.
A global survey of biodiversity experts finds that more species are threatened with extinction than previously thought, with estimates suggesting 30% of species have been lost since 1500. The study identifies climate change, pollution, and land-use changes as key drivers of biodiversity loss.
Scientists argue that system thinking can better understand the world's rapidly changing dynamics, considering both social and ecological factors. The article highlights the importance of this approach in addressing climate change-induced natural disasters, such as increased frequency and danger of wildfires.
A recent study by Xi'an Jiaotong-Liverpool University provides a method to help farmers and policymakers decide whether organic farming is beneficial for the environment. The researchers analyzed international studies to find a threshold where organic farming's biodiversity gain outweighs its land requirements.
Researchers have discovered a lone Quercus tardifolia tree in Big Bend National Park, Texas, which was thought to be extinct. The tree's poor condition highlights the urgent need for conservation efforts to protect its genetic variation and adapt it to environmental changes.
A large-scale study by Rutgers researcher Alan Robock and colleagues found that even small nuclear wars would rewire the physical, biological, and ecological states of oceans. The study simulated a U.S.-Russia war and several smaller India-Pakistan wars, calculating the effects of atmospheric soot on ocean functions.
A team of ecologists from CU museum identified over 7,000 organisms, mostly bacteria, in the guts of Rocky Mountain snails collected between 1920 and 2018. The findings show that microbiomes can offer insights into how animals interacted with their environments centuries ago.
Researchers at the University of Washington discovered that African wild dogs, a highly endangered species, shifted their breeding dates later in response to changing temperatures, leading to reduced pup survival rates. The study highlights how large predators can be vulnerable to climate change and its impact on life history events.
A new study suggests that sustainable irrigation can boost crop productivity to feed 1.4 billion more people, reducing environmental impacts and clearing natural land for agriculture. However, climate change may complicate this calculus, requiring additional research on water management strategies.
Global mismanagement of phosphorus is causing twin crises, with skyrocketing fertilizer prices and pollution damaging biodiversity. The '50, 50, 50' goal aims to reduce global phosphorus pollution by 50% and increase recycling by 50%, while adopting more efficient use in agriculture.
A study by Dr. Anja Weidenmüller reveals that glyphosate affects the collective thermoregulatory capacity of bumblebee colonies, impacting brood development and colony growth. This effect is particularly pronounced in times of resource scarcity, highlighting the need to reassess pesticide approval procedures.
A new study describes a troglobitic clam species from northern Brazil, characterized by lack of pigmentation and reduced size. The discovery highlights the importance of conserving fragile subterranean habitats threatened by recently amended laws in Brazil.
A new study finds that climate change will make the U.S. Corn Belt unsuitable for cultivating corn by 2100, highlighting the need for significant agricultural adaptations, diversification and a shift towards more sustainable farming practices.
Researchers developed a system to estimate the probability of a majority response being wrong, eliminating unnecessary task assignments and increasing efficiency in crowdsourcing projects. This method can be applied to various binary classification tasks, reducing labor and improving accuracy.
A new modeling framework suggests that some microbial ecosystems are more easily understood through coarse-graining, which involves omitting details. This approach could help biologists study microbes in their natural environments, rather than isolating them in a petri dish.