Articles tagged with Grassland Ecosystems
Research shows that a moderate presence of pikas improves the composition of vegetation for grazing yaks, increasing the abundance and nutritional quality of palatable grasses and sedges. This moderate presence helps suppress tall poisonous plants, thereby facilitating weight gains in yaks.
A study found that bats, not bird numbers, contribute to pest control in macadamia nut production. Higher bat activity reduces insect damage and increases yields, with natural habitats playing a crucial role in supporting beneficial organisms.
Researchers found that the lost species are long-lived perennials with tough leaves that help them survive stress, but are slow-growing and cannot compete in post-destruction grasslands. New plants that grow back in their place have features associated with faster growth and greater resource capture.
A study by Colorado State University and others found that fast-moving forest fires burn more area severely, leaving fewer trees to reseed the landscape. This can lead to long-term ecological change rather than recovery.
A new study by Swansea University introduces a One Health Sustainability Framework linking biodiversity, ecological condition, and environmental sustainability with wellbeing outcomes in nature prescribing. The framework highlights the need to understand what kinds of nature and how much are needed to support health in a sustainable way.
A new study from Yokohama National University reveals that the order of species loss impacts grassland stability more than the total number of species lost. The researchers found that different species-loss sequences alter the processes supporting community stability, including functional diversity and compensatory dynamics.
A new commentary reveals that most of Africa's biodiversity persists outside formal protected areas, challenging the reliance on fenced reserves and policies like the 30×30 target. Working landscapes, shaped by centuries of human-nature coexistence, often retain higher ecological connectivity and resilience to climate change.
A new study reveals that slower winds increase the ability of global grasslands to absorb more carbon while minimizing water loss. This shift could provide a critical advantage for these biomes under climate change.
A study published in Ecology Letters found that similarity in environmental conditions predicts local food web similarity across a continent. The researchers used satellite images and network analysis to identify habitat fragmentation and vegetation amount as major factors in shaping food webs.
Researchers challenge long-held assumptions about vegetation patterns in dryland ecosystems, finding that such patterns can actually indicate reduced ecosystem resilience. The new theoretical framework takes into account spatial constraints and environmental heterogeneities, revealing that ecosystem stability depends on specific enviro...
Researchers identified 255 insect species in perennial grasses, but few in annual grasses, highlighting the importance of unmown refuges for biodiversity
Researchers found that diverse plant communities emit more complex chemical signals, which can affect individual plants and the entire ecosystem. The study highlights the importance of biodiversity in maintaining natural signaling systems and supports sustainable agriculture practices to promote plant diversity.
A new global study finds that nearly half of livestock production occurs in areas with destocking, a process that poses new ecological and land management challenges. Destocking can increase wildfire risk and biodiversity decline, but also enables ecosystems to capture more atmospheric carbon dioxide.
A new Danish model reveals that green initiatives in farming can lead to increased greenhouse gas emissions from one aspect of the system, while storing more carbon in the soil over time. The CIRKULÆR model shows that policymakers must consider the entire agricultural system to make informed decisions.
A new study reveals that grassland degradation increases soil microbial diversity while reducing plant richness, leading to a decline in ecosystem functioning and multifunctionality. The research highlights the critical importance of conserving soil microbial communities for sustainable restoration of degraded grasslands.
A recent paper in the journal Science investigates the impact of drought on grasslands, finding that moderate droughts do not lead to long-term losses. In contrast, extreme droughts can cause significant species loss and reduced plant life. The study's results have implications for global carbon and climate modeling.
A global research effort by Colorado State University reveals that extreme, prolonged droughts in grasslands and shrublands result in more than twice the loss of plant productivity compared to moderate droughts. The study suggests that these ecosystems lose their ability to recover over time under prolonged dry conditions.
A meta-analysis of 16 studies found that diverse pasturelands have no effect on milk production or methane emissions, but a higher proportion of legumes can promote milk yield. The study suggests that farms should consider the benefits of diverse grassland areas for overall productivity and ecosystem benefits.
Researchers found that prairie dogs and grasshoppers greatly increase soil nutrient availability, with prairie dog towns showing the highest levels of carbon and nitrogen. Grasshoppers also contribute to phosphorus cycling, while larger herbivores consume relatively constant plant biomass.
The golden-shouldered parrot is abandoning areas of grassland it usually nests in due to woody plant encroachment, increasing predation risk. The study's findings highlight the importance of maintaining remnant grasslands for the conservation of grassland-dependent species.
Researchers at the University of Illinois are working to bring back biodiversity to the Midwest by analyzing commercially sold seeds and plants. They found that long-lived species were more available than sensitive ones, and certain plant groups were over- or underrepresented in commercial seed mixes.
A new study on the wall brown butterfly found that rapid evolution aids its northward expansion, but cold winters restrict further growth. The study showed that butterflies from northern populations grew faster and survived winter better, but still couldn't persist beyond certain climatic limits.
A new study from Colorado State University reveals that photovoltaic (PV) arrays in grasslands can improve soil moisture levels and increase plant growth, particularly during dry years. The research found a 90% increase in grass production on the east side of panels compared to neighboring open sites.
Researchers used anonymized GPS data from smartphones to monitor how wildlife reacts to people, highlighting the potential of human mobility data in tracking human-wildlife conflicts. The study's findings can inform conservation planning, help protect animals and wild spaces, and ensure that recreational activities are done responsibly.
A new international study published in Nature Ecology & Evolution found that fertilizer can help plants survive short-term periods of extreme drought. The researchers added nitrogen, phosphorus, and potassium to 26 sites across 9 countries and found a 24% increase in plant growth with fertilizer addition.
Researchers studied the effects of adaptation strategies on milk and cheese quality in response to climate change. The results show that cows fed on grazed grass produce richer cheeses with higher omega-3 fatty acids content, while those fed on corn silage produce whiter, firmer cheeses.
A new study found that nutrient availability plays a crucial role in the relationship between precipitation and plant biomass. In grasslands, plant biomass increases with higher mean annual precipitation, but nutrient availability also comes into play. Fertilizing sites with multiple nutrients boosted plant growth and biomass, revealin...
A new study reveals China's NTEs were significant sources of CH₄ and N₂O emissions between 1980 and 2020, with an accumulated GWP of 5.55 Pg CO₂-equivalent. The net warming effect is primarily driven by N₂O emissions.
A new study provides insight into the American Kestrel's mysterious decline by examining juvenile survival rates, revealing high success in the first weeks outside of the nest. This breakthrough may redirect future studies to untapped areas of inquiry and inform conservation efforts.
Research by Kobe University reveals that restoring abandoned grasslands requires at least 75 years of continuous management to regain plant diversity. Pollinators also take time to adapt, with generalist insects like flies and hoverflies dominating recently restored sites.
Research reveals that Eurasian Steppe grasslands are more susceptible to drought than North American Great Plains due to lower plant diversity. The study found a 43% reduction in annual productivity in Eurasia compared to a 25% reduction in North America under similar extreme drought conditions.
Researchers at Colorado State University have identified priority areas for prairie dog conservation, which benefits not only the prairie dog but also other grassland species. The study provides a blueprint for conserving habitats that could help revitalize North America's Central Grasslands.
Temperate savannas in eastern China have been mapped for the first time, revealing their geographical distribution and extent. The research provides precise information on the spatial characteristics of these ecosystems, supporting conservation and utilization efforts.
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.
Researchers found that virtual fences created a more gradual transition between native grassland and fully grazed areas, increasing native habitat for pollinators and birds. This transition zone, spanning over 15 meters, provided a greater variation of vegetation heights compared to fenced rangeland.
A study published in the Journal of Applied Ecology found that diverse landscapes with good connectivity between quarries and calcareous grasslands support wild bees. Large, old, and flower-rich quarries are particularly valuable habitats for endangered species.
Researchers found recurrent severe droughts and erratic wet conditions in the Greater Mara-Serengeti ecosystem, with a 5 degree C temperature rise over six decades. The study highlights the importance of understanding regional climate trends to predict future climate conditions and mitigate their impact on wildlife populations.
New research reveals that grasslands are responding to climate change almost in real time, with shifts driven by temperature and precipitation changes. The study found that as the climate became hotter and drier, dominant species adapted to those conditions, leading to potential loss of biodiversity.
A study by UNESP found that smoke from two concentrations stimulates germination in 32% of plant species, with some grasses growing faster. The results could aid restoration strategies for degraded areas and offer a competitive advantage to certain Cerrado species after fires.
A research team finds that local community members are indispensable partners in enhancing community engagement in repairing damaged ecosystems. Local values and attitudes play a crucial role in promoting sustainable ecosystem management practices.
Scientists have developed a research framework to incorporate ecological theory into ecosystem management, enabling more effective restoration and counteracting rising carbon dioxide emissions. The approach maps ecological theories to desired restoration outcomes, prioritizing climate-smart restoration and rebuilding ecosystems faster.
A study published in Global Change Biology reveals that higher biodiversity and synchrony between C3 and C4 species can increase a community's stability. Maintaining diverse plant communities with high C3 and C4 species abundance is key to enhancing stability across Mongolian grasslands.
Researchers found that extensive, unfertilized grasslands promote biodiversity and soil protection, while pastures and meadows provide cultural services. The study suggests a combination of different grassland types is necessary to sustain all ecosystem services.
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 study estimates that global ecosystems provide USD 112-197 trillion to the economy, with forests and wetlands accounting for nearly 80% of this value. Strong synergies are found among oxygen release, climate regulation, and carbon sequestration services, while trade-offs occur between flood regulation and other services.
Researchers at University of Oklahoma discover that climate warming accelerates soil priming in temperate grassland ecosystem, leading to increased soil carbon release. This finding highlights the crucial role of soil priming in terrestrial carbon cycle feedback processes and climate regulation.
A new study by the University of Liverpool warns that reforestation initiatives can harm wildlife and ecosystems if not done properly. The research highlights issues with tree-planting in non-forest systems, such as savannas and grasslands, which are under threat from increased tree cover.
Researchers found that peat exposed to mild drought still absorbs some carbon, but extreme drought causes it to release carbon. Increasing biodiversity in peatlands does little to combat drought, contrary to previous assumptions.
A global study led by Colorado State University scientists shows that extreme drought has been greatly underestimated for grasslands and shrublands. The study found that the loss of aboveground plant growth was 60% greater when short-term drought was extreme, exceeding previously reported losses.
A recent study published in Annals of the New York Academy of Sciences found that AI technology can accurately identify prehistoric and modern African antelopes, with an accuracy rate of over 90% compared to humans. This breakthrough sheds light on ancient ecosystems and their impact on human evolution.
A team of researchers used trail cameras and GPS collars to track the effects of Cyclone Idai on Gorongosa National Park's mammal community. They found that body size was a key predictor of survival, with smaller animals more vulnerable to the storm's impact.
Researchers found that planting conditions impact diversity, particularly for perennial species, and that timing of establishment can increase biodiversity. This understanding has important implications for managing restoration projects to promote diversity and long-term resilience.
Researchers from UNC Greensboro have developed new methods to predict the impact of global changes on 'grassy' ecosystems, which cover 40% of the Earth's land surface. The study aims to improve mathematical models that forecast changes in these ecosystems, including food production, pollinators, and carbon sequestration.
Researchers used statistical methods to investigate the extent of climate support for the Eurasian forest-steppe zone's delineation. The study found that macroclimate explains a significant portion of the zone's distribution, with some regions showing strong agreement and others requiring further refinement.
The Endangered Landscapes & Seascapes Programme will support up to eight new sea restoration projects across Europe. This funding aims to create resilient ecosystems that benefit nature and people. The programme's third phase will focus on expanding large-scale restoration projects, including those focused on Europe's seas.
Ecologists say that carbon-capture tree plantations have a negative impact on tropical biodiversity and ecosystem services, despite their potential to offset climate change. In contrast, intact ecosystems like forests, grasslands, and savannahs store large quantities of carbon below ground and provide multiple ecosystem services.
A recent study published in Current Biology found that invertebrate decline affects aboveground pest control and belowground decomposition of organic matter. The loss of invertebrates leads to a reduction in important ecosystem services and decoupling of ecosystem processes, making immediate protection measures necessary.
A new study led by Holden Arboretum ecologists explores the impact of warmer temperatures on decomposition rates in natural ecosystems. The research reveals that interactions between microbes, plants, and warming temperatures can alter decomposition rates, providing valuable insights into how climate change affects ecosystem function.
New research found that plant water use efficiency has stalled since 2001 due to climate change, contradicting earlier hopes it would help improve water consumption. The study's findings suggest that rising temperatures and atmospheric CO2 may be undermining nature-based methods to achieve carbon neutrality.
A recent study analyzing camera trap images found six wildlife species, including coyote and gray fox, to be remarkably resistant to the Mendocino Complex Fire's impacts. Small patches of tree cover spared by the fire provided a refuge for these animals, allowing them to recover and even spread back into burned areas.