Articles tagged with Wetlands
Researchers found that Brazilian savanna wetlands can store significantly more carbon than previously thought, with an average storage capacity of 1,200 tons per hectare. This is due to the slow accumulation process favored by oxygen-poor water-saturated soils, with some areas storing carbon for up to 20,000 years.
Researchers found that rewetted peatland solar parks in Northern Germany support threatened bird species and exhibit an unusual mix of species, providing a unique habitat for biodiversity. The study suggests that this novel land use can be a valuable tool for reducing greenhouse gas emissions and restoring peatland ecosystems.
Researchers identified tens of millions of small wetlands globally and found they produce a significant impact on methane emissions. Small wetlands have been difficult to detect due to their size, but high-resolution satellite imagery has revealed their substantial contribution to the world's total non-forested wetland emissions.
A new study suggests that balancing wetland conservation with economic development is possible through a locally adjusted policy featuring both tradeable offsets and taxes. The study estimates that this approach would retain two-thirds of private gains from trade while preventing about $1.6 billion in flood damage.
Tidal wetlands are critical ecosystems that support biodiversity and protect against flooding, but their loss is accelerating due to human development and climate change. A new study using satellite data shows that extreme weather events are driving this acceleration, with tidal wetland areas shrinking by 7.5% in the US since 1985.
A new study found that coastal farmlands in the Mid-Atlantic region are losing land at a rate nearly twice as fast as previously thought. Between 1984 and 2022, approximately 25,000 acres of farmland were lost to sea level rise despite preventative measures taken by local farmers.
A Concordia study reveals that black soldier flies can survive and thrive on goose feces, producing valuable biomass for composting and organic fertilizer. The insects' waste also serves as a nutritious fertilizer for duckweed, improving its growth rate and root system.
A study from the University of California, Davis, reveals that managed wetlands in Suisun Marsh produce 11-22 times more zooplankton than tidal habitats. Zooplankton are crucial for fish diets and increase in response to controlled floods.
Cerrado wetlands in Brazil's savannas are carbon storage powerhouses, storing an estimated 20% of Amazon's carbon. The peaty soils of these wetlands store about 1,200 metric tons of carbon per hectare, equivalent to six times the average carbon density of Amazon rainforest soils.
The Spanish initiative Spongy Slopes has successfully restored key sponge functions in a steep slope landscape through nature-based measures. The project, which involved around 250 volunteers and local associations, has improved landscape-level hydrological resilience, retained rainwater, reduced erosion and increased biodiversity.
A study found that shelterbelts in agricultural wetland landscapes reduce grassland species and wetland biodiversity, creating a trade-off for bird communities. The research suggests that agri-environmental policies must balance structural complexity with ecological needs of open-habitat species.
Citizen science is essential for improving how restoration success is evaluated and managed over time. By integrating public observations into formal monitoring systems, restored wetlands can be better understood and maintained.
Researchers developed an adaptive ensemble learning framework that combines hyperspectral and LiDAR data to precisely identify vegetation species in karst wetlands, achieving up to 92.77% accuracy. The approach uses local interpretable model-agnostic explanations to visualize how each feature contributes to the decision-making process.
A Montana State University economist's research found that wetland restoration through the Agricultural Conservation Easement Program can reduce ammonia and nitrogen concentrations in local waterways, resulting in decreased costs for communities. This can lead to tangible savings of up to $17,000 per year in smaller rural towns.
A new study identifies key conflicts between agricultural expansion and ecological protection in Northeast China, proposing integrated strategies to achieve a sustainable balance. The research team recommends creating wetland compensation mechanisms, optimizing water allocation, and restoring habitats for migratory birds.
A University of Houston biologist has received a $2.16 million federal grant to study how some coastal frogs survive in salty environments. The research could reveal how cells cope with salt stress and have implications for understanding the health risks of high-salt diets in humans.
The project aims to quantify the link between water conditions, fish populations, and wading bird nesting success in the Florida Everglades. Researchers will collect data on aquatic prey and habitat conditions during the dry season to provide essential insight into restoration efforts.
The EU-funded SpongeBoost project invites applications for its 'SpongeBooster of the Year' award, recognizing initiatives that strengthen natural water retention and climate resilience. Eligible projects focus on outdoor restoration and rewetting activities in eligible countries.
A new multi-diversity index (MDI) developed by the University of Queensland has opened up a market for coastal wetland restoration projects. The index measures biodiversity gains in restored ecosystems, enabling landholders and communities to earn tradeable certificates with a market value.
Researchers analyzed 11 international constructed floating wetlands projects and found that they can be a competitive solution for improving water quality, especially for nitrogen removal. The cost of removing nitrogen was consistently cheaper than phosphorus, making floating wetlands a more economical option over time.
A new study reveals how microbes in Chinese riverine wetlands help remove excess nitrogen, a key factor in water quality degradation. Denitrification and anammox processes were found to be crucial for nitrogen removal, with spatial patterns varying across landscapes.
A study found that 72% of Illinois' remaining 981,000 acres of wetlands are unprotected under the federal Clean Water Act, despite providing $419 million in residential flood control benefits. The decision also removes protections for wetlands that may better mitigate a storm surge or heavy rain event.
Stakeholders from Germany, the Netherlands, and Finland met to develop impact plans influencing policies and markets to restore degraded peatlands. The plans aim to align policy goals with specific tasks, support efficient funding and market innovation.
Non-compliance with law facilitated by errors in environmental licensing has led to the loss of over 580,000 hectares of native vegetation. Cerrado wetlands perform crucial hydrological functions and are essential natural reservoirs that maintain river flow through groundwater.
Researchers at UC Berkeley developed a method to understand the isotope signatures of methane from different environments using CRISPR. This study can change how scientists calculate the contributions of various environmental sources to Earth's total methane budget.
Researchers found that ponds, lakes, rivers, and estuaries play a significant role in fixing nitrogen, supporting food webs and ecosystem productivity. They estimated that these systems fix the equivalent of 15% of total nitrogen fixed on land and in the open ocean, despite covering less than 10% of global surface area.
A new Stanford-led study maps beaver dams and ponds using high-resolution aerial imagery, aiding managers in prioritizing areas for restoring wetlands and reintroducing beavers. The research reveals key factors influencing beaver dam length and pond area, providing a practical tool for managing habitats and waterways.
Researchers have used a dynamic global wetland water level dataset to assess the spatiotemporal dynamics of wetland carbon sequestration. They found that tropical wetlands contribute 70% to global C sequestration, with South America, Asia, and Africa being the top three continents.
A new study found that restored floodplain wetlands can recover within a year and show substantial ecosystem benefits rapidly. The study revealed that managing freshwater wetlands for carbon benefits also boosts flood and drought resilience.
Researchers found that drones can suppress common reed invasions with over 99% effectiveness, using a single targeted herbicide application. This method provides convenient access and reduces risks of trampling or disturbance, while also minimizing off-target impacts and promoting native vegetation recovery.
The SpongeBoost project recognized Planar e.V. for restoring a 1.1 km section of the Diemel River, reconnecting 20 hectares of floodplain and creating habitats for over 65 endangered species. The 'SpongeBooster of the Year' award aims to promote nature-based solutions and cost-effective restoration methods throughout the European Union.
The SpongeBoost project recognizes Planar e.V.'s efforts to restore a 1.1 km section of the Diemel River, reconnecting approximately 20 hectares of floodplain and creating habitats for over 65 species. The award highlights nature-based solutions as effective tools for addressing climate and biodiversity crises.
Researchers developed a model to detect early signs of marsh decline using satellite observations, identifying vulnerable areas along Georgia's coast. The study found belowground biomass has declined across 72% of Georgia's coastal marsh since 2014.
The Scientific Annals of the Danube Delta Institute (SADDI) joins Pensoft's portfolio as an open-access, peer-reviewed journal. SADDI publishes research in ecology, biodiversity, environmental protection, and sustainable development related to the Danube Delta and similar wetland ecosystems.
Researchers found that captive-bred axolotls can survive in both artificial and restored Mexican wetlands. However, they may need specific temperature conditions to thrive, offering insights for amphibian reintroductions and translocations.
Scientists found that anaerobic microbes in wetlands can remove up to 70% of methane in oxygen-deprived soils, but their ability to do so is threatened by rising temperatures. When scientists simulated a hotter future, methane emissions spiked under hotter temperatures alone.
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.
Researchers mapped China's wetlands from 1980 to 2020, revealing a net loss of ~60.9 × 10^3 km^2 due to climate change and human impacts. Meanwhile, the study highlights the importance of sustainable management and conservation strategies to mitigate these losses.
The SpongeBoost project visualizes sponge functions in wetlands using a comic book, simplifying complex concepts for experts and non-experts. The first edition of the comic book is available online, promoting nature-based solutions to enhance landscape resilience.
Wetlands in the Middle Yangtze River Basin are under significant threat from urbanization, agricultural expansion, and climate change. The study projects that wetland areas will decrease by 13.3% by 2080 under certain climate scenarios, highlighting the need for proactive conservation measures.
Recent studies have shown that most of the terrestrial carbon accumulation occurs in non-living pools, such as soil organic matter and bodies of water. The research team found that around 35 gigatonnes of carbon were sequestered on land between 1992 and 2019, with a 30% increase over the last decade.
Climate change drives large increases in electricity demand and costs in Texas due to extreme temperatures. Meanwhile, atmospheric rivers become more frequent, larger, and moister globally. Diagnostic studies also predict malaria outbreaks with five-month lead time using sea-surface temperature anomalies.
The study projects a significant increase in wetland and forest areas in China, with potential losses of cropland and shifts in land use patterns. Enhanced protection and management are needed to mitigate the impacts of climate change on food security.
A global synthesis identifies 603 species that shape the Earth's surface, with tiny ants shifting soil and salmon reshaping riverbeds. This study highlights the diversity and scale of animals' impact across freshwater and terrestrial ecosystems.
A new international study suggests that conserving and restoring peatlands and mangroves in Southeast Asia can mitigate more than 50% of the region's land-use carbon emissions. These ecosystems store significant amounts of carbon, making them crucial natural carbon sinks.
Despite decades of restoration efforts, biodiversity growth has stalled in restored Danish wetlands. The study highlights the need for concrete measures such as grazing animals and full restoration of watercourses to improve plant species richness.
A new study finds that reducing sulphur in the air can lead to increased natural emissions of methane from wetlands, pushing emissions higher. The study suggests that current targets to reduce human-caused methane emissions need to be more stringent.
The European Wetland Map combines various GIS data on wetland types and their distribution to create a standardized dataset that enhances understanding and management of European wetlands. The map informs policy decisions and supports climate mitigation and biodiversity policies.
Researchers found that constructed freshwater wetlands capture similar amounts of carbon over time, but neither has shown a net gain or loss since year 15. Despite this, wetlands remain a crucial ecosystem for sequestering carbon and providing habitat for species.
Researchers developed an innovative algorithm to track alpine wetland degradation using Landsat time series data. The AI-powered approach improves mapping accuracy and captures subtle surface changes.
A new study found that 34% of the Arctic-boreal zone is now a source of carbon, with fires and microbial activity contributing to emissions. The research provides a comprehensive assessment of carbon fluxes in the region, highlighting the importance of monitoring these processes.
Long-term drainage increases bound OC% in non-Sphagnum wetlands due to reactive metal oxides, but decreases it in Sphagnum wetlands. This mechanism helps compensate for lost unbound SOC components in non-Sphagnum wetlands.
A global study using teabags to measure carbon release from soil in wetlands found that warmer temperatures led to increased decay of organic matter, reducing carbon preservation. Freshwater and tidal marshes showed the highest potential for carbon storage.
A new UBC-led study reveals that preserving key natural ecosystems across Canada can significantly reduce rainwater runoff and protect homes and livelihoods. The research identifies 201,000 square kilometres of watersheds as critical for flood prevention, supporting wildlife while reducing reliance on costly infrastructure.
Researchers confirm oil presence in Mauritius mangrove forest close to Ramsar conservation sites, three years after MV Wakashio spill. The oil has undergone weathering and biodegradation, but its ongoing presence poses an unknown risk to the sensitive ecosystem.
A large-scale pre-Columbian fish-trapping facility was discovered in the Crooked Tree Wildlife Sanctuary in Belize, dating back to the Late Archaic period around 2000-1900 BCE. The facility, which included a network of linear channels and ponds, would have yielded enough fish to feed up to 15,000 people year-round.
A new study from North Carolina State University and the USGS uses satellite imagery to identify coastal forests undergoing regime change due to sea-level rise. The research finds that these transitions can occur rapidly or slowly, and remote sensing of vegetation health can help predict EWS for some areas.
A new study from the University of Illinois looks at how wetlands are portrayed in film, suggesting they play specific roles in story development and reflect society's attitudes towards these ecosystems. The research team analyzed 163 films and found that wetlands were often depicted as perilous pathways and psychological barriers, but...
A new study applies modern portfolio theory to conserve the coquí llanero frog by diversifying investments and managing risk under future climate uncertainty. The analysis suggests that relying on existing protected areas may not be enough to mitigate climate risks, and investing in additional habitats could be worth the cost.
The Pantanal's soda lakes, characterized by high pH and salinity, have practically dried up due to rising temperatures and wildfires. The study found that certain types of lakes, such as eutrophic turbid lakes, emit methane due to cyanobacterial blooms and decomposing organic matter.