A new model suggests a more nuanced response to climate change in the Amazon forest, with individual trees experiencing water stress, leading to a gradual shift from high-biomass forests to low-biomass ecosystems. This approach better captures ecosystem heterogeneity and predicts a less drastic transition.
Researchers found that biodiversity facilitates processes in an ecosystem, especially under harsh environmental conditions. The team tested this hypothesis using microbial communities and demonstrated that functional redundancy varies with prevalent environmental conditions.
Research suggests that healthy cells are optimized for a healthy ecosystem; changes in this ecosystem allow cancer-causing mutations to outcompete healthy rivals, leading to an increase in cancerous cells. Inflammation is a critical factor in this process, hurting the growth and maintenance of healthy B-cell progenitor cells.
A UK-based remote satellite monitoring programme will help monitor the impact of human activities on the Laguna Bacalar's ecosystem. The project will use satellite data to analyze changes and provide evidence for conservation efforts, benefiting from a £1.5M funding by the UK Space Agency.
The number of American alligators in the Arthur R. Marshall Loxahatchee National Wildlife Refuge decreased following dry years and recovered later, according to a USGS study. The decrease was proportional to the intensity of the dry event, highlighting the impact of hydrology changes on alligator populations.
The study analyzed past large-mammal extinctions in North and South America to understand their long-lasting ecosystem impacts. Researchers found that the disappearance of mammoths and mastodons led to changes in vegetation, decreased small mammal diversity, and altered landscape dynamics.
A recent study by Carnegie Institution for Science found that elephants are responsible for a high tree-fall rate in Kruger, driven by population density and fire frequency. The research used LiDAR technology to map millions of trees across the reserve, providing insights into ecosystem management and conservation.
A new study suggests that geoduck farming in central Puget Sound could have significant impacts on the food web if farming activities increase by 120 percent. The equipment used to farm geoducks, including PVC pipes and nets, may have a greater impact than the addition of the clams themselves.
Scientists and legal scholars warn that countries are misinterpreting the 'rational use' of natural resources to escalate fishing efforts in Antarctic waters. Marine protected areas, crucial for conserving the region's last intact ecosystem, are being hindered by this misinterpretation.
African straw-colored fruit bats, ecosystem service providers, cover greater distances than any other bat species during the dry season. They disperse seeds and pollen across large areas, playing a crucial role in maintaining forest ecosystems.
Researchers will conduct research to support long-term sustainability of the Gulf of Mexico ecosystem, with a focus on observation networks and ecosystem modeling. The projects aim to enhance effective and sustainable ecosystem management.
A six-year ASU experiment found that extreme weather events affect plant species differently, with grasses declining and shrubs flourishing under alternating wet and dry years. This shift could have serious consequences for humans relying on grasslands for food, particularly cattle ranchers.
Researchers found no barriers to prevent king crab populations from arriving on the shallow continental shelf if the water becomes warm enough. The arrival of these crustaceans could radically alter the ecosystem and diminish marine biodiversity globally.
Researchers discovered a world of biological activity beneath the Arctic's polar night, with diverse species reproducing and thriving in the darkness. The findings raise questions about how marine species adapt to the changing climate and highlight the importance of this period for ecosystem reproduction.
A new study measures coral-reef ecosystem condition, predicts key threats, and evaluates human stressors in Micronesia. The results reveal only 42% of major reef habitats exceed thresholds for conservation efforts.
A new study found that species extinction can lead to secondary extinctions of parasites, compromising ecosystem stability and biodiversity. Researchers identified key host species that contribute to the overall network structure of fish communities and are essential for maintaining a healthy ecosystem.
A recent report estimates that the world loses $6.3 trillion to $10.6 trillion in ecosystem services each year due to land degradation, equivalent to 10-17% of global GDP. This loss could lead to the migration of millions of people within a decade, posing a significant humanitarian crisis.
The world's first known mass extinction, which occurred around 540 million years ago, is now believed to have been caused by the emergence of complex animals capable of altering their environments. These 'ecosystem engineers' changed the planet in ways that made it difficult for earlier multicellular organisms like Ediacarans to survive.
A new study reveals that soil bacteria and animal species below ground regulate ecosystem functions, including carbon storage and nutrient availability, with below-ground biodiversity explaining 32% of variation.
Researchers will investigate how disturbances like fire and insect infestation are changing the Earth's carbon absorption, and use models to optimize observation networks for detecting impact on ecosystem carbon balance. The project aims to understand how terrestrial landscapes are shifting from being a net carbon sink to a source.
Researchers found longer, less frequent climate fluctuations contribute to abrupt and unexplained ecosystem shifts in the North Pacific. The study suggests changing climate variability contributed to 1977 and 1989 regime changes with more likely larger climate-triggered shifts.
A new UNSW Australia study suggests that reintroducing Tasmanian devils to the mainland could restore ecosystem health by controlling red foxes and feral cats. The devil's presence would also benefit small and medium-sized animals, such as bandicoots and ringtail possums.
A volcanic island's unique location allows scientists to study ocean acidification effects on a small scale. Elevated CO2 levels trigger a dramatic ecosystem change from vibrant coral to algae-covered rocks.
A team of researchers has advanced new modeling technology to quantify human dependence on nature and its impact on human well-being. The study found that people who depended on multiple types of ecosystem services fared better than those with limited resources.
A new model suggests that evolutionary pressures from healthy tissue keep cells with cancerous mutations in check. The study proposes that the ecosystem of a healthy tissue landscape allows healthy cells to outcompete those with cancerous mutations, but when this balance changes due to aging or stressors, cancer cells can thrive.
Researchers have successfully mapped key functional genes in bacterial species that play central roles in maintaining ecological balance. This knowledge may lead to targeted interventions to restore ecosystem health, such as supporting keystone bacteria to mitigate diseases like Parkinson's.
Senator Ben Cardin receives the 2015 ESA Regional Policy Award for his decades-long commitment to environmental protection and ecosystem health. The award recognizes his efforts to promote Chesapeake Bay restoration, address climate change, and ensure science is at the table in federal policymaking.
A fossilized owl pellet study reveals that the small mammal community was stable and resilient around 13,000 years ago, but human-caused changes since the late 1800s have caused a massive drop in biomass and energy flow, indicating a loss of natural resilience
A new study assesses ecosystem service supply capacities for irrigated rice cropping systems in Southeast Asia, revealing differences between more and less intensively managed areas. The findings suggest that ES-based information can help provide alternative management options for decision-making in agricultural systems.
A study by Georgia State researchers has found that protected areas in Brazil, Costa Rica, and others can prevent carbon dioxide release worth $5 billion. The research integrates modeling and empirical measures to improve conservation planning by studying policy impacts on ecosystem services.
A new study suggests that EU forests have the potential to supply significantly more woody biomass than currently used, but this comes with trade-offs for biodiversity and other ecosystem services. The findings highlight the need for careful planning to balance wood production with protection of biodiversity.
A cross-disciplinary study applies CHANS to examine dynamics of livestock rearing on the Mongolian Plateau between 1980 and 2010. The research highlights unique opportunities for applying CHANS due to contrasting socioeconomic and political systems in Mongolia and Inner Mongolia.
The new TSEA or Agricultural Ecosystem Health Cards provide a practical tool for diagnosing agricultural ecosystem health through analysis of surface-level crop indicators and underground soil level. These handbooks enable users to make basic or advanced diagnoses, with a focus on biological parameters such as microbiological activity.
The Serengeti is facing significant threats, including climate change, population growth, and infrastructure development, which could lead to the loss of this iconic ecosystem. Researchers are studying the impact of these factors on biodiversity, ecosystem functions, and services.
CIMAS, a 10-member research consortium based at the University of Miami Rosenstiel School, has received a $125 million award from NOAA to fund its activities over the next five years. The renewed partnership will focus on improving hurricane forecasting, ecosystem-based ocean management, and climate prediction.
A new Harvard University study maps ecosystem service hotspots in Massachusetts, revealing a shift from intact forests to smaller, highly valued ecosystems. The research highlights the need for conservation efforts at multiple scales to sustain the natural environment.
A recent study documents a significant increase in harmful algal blooms in the Chesapeake Bay over the past 20 years, fueled by excessive nitrogen runoff. The findings highlight the need for continued efforts to reduce nutrient pollution and restore a healthy ecosystem in the Bay.
A recent study published in the Proceedings of the National Academy of Sciences found that ocean fronts increase total ecosystem biomass and fisheries production. By incorporating front dynamics into current climate models, researchers found that these regions can aggregate food and resources, leading to higher productivity in the ocean.
Scientists at MBL and Brown University have developed a system to measure plant photosynthesis over large areas by analyzing spectral signals from satellite sensors. The system uses solar-induced fluorescence in leaves, allowing for the detection of photosynthesis on a canopy scale.
Recent research showed that replacing chemical fertilizer with organic manure significantly decreased greenhouse gas emissions. Organic farming improved crop yields while reversing the agriculture ecosystem's role as a carbon source, becoming a carbon sink.
A new study reveals that biodiversity enhances multiple ecosystem functions, from soil nitrogen accumulation to aquatic algae control. This finding bolsters the importance of conserving biodiversity in maintaining healthy ecosystems.
Research reveals that removing predatory fish through fishing causes significant changes to the reef's fish populations, altering the balance of the ecosystem. The study supports the continued use of marine reserves, which are effective in preserving predator numbers.
A team of scientists developed a model to quantify the effects of plant biodiversity loss on ecosystem productivity, finding that conserving species diversity can help maintain ecosystem services. The study provides new insights into the relationship between biodiversity and ecosystem functioning.
A University of Minnesota study found that reducing biodiversity in grasslands leads to reduced ecosystem stability, while other factors have no impact. The research emphasizes the importance of preserving biodiversity to maintain ecosystem health and services.
Scientists used tobacco plants with altered defense genes to demonstrate that functional diversity within a species is essential for ecosystem health. The study found that variations in single plant genes can have large effects on whole plant populations, improving their ability to defend themselves against herbivores and other threats.
A recent study found that organic farming systems provide greater economic value than conventional systems, with ecosystem services like pest control and nitrogen release generating higher profits. The research suggests that government incentives or market rewards can encourage the adoption of sustainable practices in agriculture.
New research reveals that logging can cause significant declines in invertebrate diversity, but ecosystems can adapt to these changes by shifting responsibilities among species. In contrast, vertebrates are less diverse and more vulnerable to new challenges, making them a risky substitute for invertebrates.
A NOAA study found that natural climate cycles and human activities triggered widespread ecosystem changes in the Gulf of Mexico, impacting fish populations and communities. The Atlantic Multidecadal Oscillation (AMO) played a significant role in these changes.
The new journal, Ecosystem Health and Sustainability, aims to publish research applying ecological science to sustainable development at local, national, and international scales. It encourages integration of natural, social, and behavioral studies and seeks research with implications for strategic planning and governance.
A team of experts has published six natural science principles to ensure the success of Payments for Ecosystem Services (PES) initiatives. The principles, designed to be scientifically robust yet practical, focus on understanding system dynamics, monitoring outcomes, and ensuring ecological sustainability.
A new study uses ecosystem services to evaluate the potential impacts of tidal power projects on coastal environments and people. Researchers identified biodiversity, tourism, and food provision as key ecosystem services that should be assessed in the Muskeget Channel Tidal Energy Project.
Researchers say treating human health as part of an ecosystem can resolve problems like antibiotic crisis and obesity epidemic. Professor Mark Wahlqvist advocates for integrative approaches to healthcare, emphasizing the importance of nature and varied diets.
Bacteria living in marine sponges capture phosphorus from the water and convert it into polyphosphate, a form of phosphorus usable by the reef community. This discovery sheds new light on nutrient cycling in coral reefs.
A large-scale study by University of Southampton researchers has found that the agricultural development of a region in eastern China is ecologically unsustainable, with losses of ecosystem services and declining water quality. The study suggests that economic development has created a trade-off between gains in agricultural productivi...
Researchers analyzed data from over 7,500 species of insect herbivores and found that most species specialize on a single type of plant, contradicting the assumption that generalist feeders are more common. This study has important implications for ecosystem management and conservation efforts.
Researchers found that reclaimed oil and gas well pads in Colorado lack the patchy soil patterns that support sagebrush recovery. This uniformity can make it harder to reestablish big sagebrush, a critical component for diverse wildlife species.
A recent study by the Wildlife Conservation Society found that human behaviors, such as disturbance, may be driving changes to bird communities in residential areas. Despite contrasting geographies, exurban development appeared to have similar effects on birds in two regions, with some species benefiting and others negatively impacted.
Researchers discovered a universal mathematical property called Trophic Coherence that explains how ecosystems maintain stability and grow larger, unlike previous thought. This finding has implications for conservation efforts and may apply to finance and engineering fields.
A Stanford scientist is developing a flexible model to manage stormwater runoff in big cities, with the goal of determining its ecosystem and financial benefits. The research aims to study the value of stormwater retention services for large cities in developing countries and compare their benefits to other services.
The Federal Resource Management and Ecosystem Services Guidebook provides a consistent approach to accounting for ecosystem services. It enables resource managers to balance human health, wealth, and well-being with natural resource management decisions.