Articles tagged with Ecosystem Management
Researchers quantified five critical ecological processes on over 500 coral reefs worldwide, finding no reef can maximize each process simultaneously. They also identified local super heroes among species that contribute to ecosystem functioning.
Researchers analyzed two peat cores to discover that higher concentrations of charcoal occurred between 9,000 to 4,000 years ago due to larger forest fires. Mangrove pollen found in the earlier period indicates rising sea levels and increased salt, contributing to dry conditions suitable for massive forest fires.
A recent study found that bison reintroduction to mixed-grass prairies increases bird diversity and cervid occupancy in riparian areas. Vegetation changes associated with bison grazing promote biodiversity, benefiting multiple species.
The study found that superlinear scaling occurs in aquatic ecosystems of larger watersheds, releasing carbon back into the atmosphere. Smaller watersheds are less effective at filtering pollutants and mitigating nonpoint source pollution.
The European Union is projected to experience increased fire-prone areas, threatening biodiversity and carbon sinks. The IPCC report highlights the need for adaptation in addressing wildfires, focusing on fire and forest management to increase ecosystem resilience.
New research suggests that slow degradation of recreational fisheries is common due to changes in technology, infrastructure, and angler attitudes. Anglers and managers can stabilize and improve fisheries by embracing challenges, reducing fishing mortality, supporting monitoring funding, and managing high catch rates.
Researchers found that forest trees with a mix of both ectomycorrhiza and arbuscular mycorrhiza had the greatest tree diversity, contradicting previous beliefs. This discovery highlights the importance of considering the coexistence of different mycorrhizal strategies in promoting plant biodiversity.
Researchers used soil microbial communities to track progress and predict post-mining recovery timeframes, offering a new approach for measuring rehabilitation success. The study found that effective rehabilitation can set up a predictable trajectory of recovery, taking 40-60 years to reach the target ecosystem.
The report projects a global increase in extreme fires by up to 50% by the end of the century, with a call for governments to shift their investments from reaction to prevention and preparedness. The authors recommend a 'Fire Ready Formula' with two-thirds of spending devoted to planning, prevention, and recovery.
A study by Brazilian researchers found that regular fires enhance functional diversity and carbon fixation in savannas. They measured species numbers, attributes, and carbon dynamics in two areas, one with frequent fires and the other without fires for 16 years.
Researchers developed a simple and efficient method for surveying amphibians using environmental DNA analysis, which can be conducted by anyone without specialist knowledge. This technique resolves issues with conventional methods such as capture and observational surveys, allowing for more accurate monitoring of amphibian habitats.
A new computational tool, 'Amazon EcoVistas,' analyzes proposed dam projects collectively for their energy generation and environmental impacts. The tool identifies hydroelectric dam portfolios that meet energy production goals with the least environmental harm, taking into account five environmental criteria and social values.
A new study from the University of Waterloo provides a roadmap for faster improvements in water quality by tackling nitrogen legacies. The research recommends six steps to address this critical issue, which has persisted for decades due to excess nitrogen fertilizers.
A study by the University of Queensland found that strong demand for tropical sea cucumbers as a delicacy is putting these species at risk of extinction. The research highlights the need for regulatory changes to protect the remaining populations and maintain healthy ocean ecosystems.
A study published in AGU Advances found that water depletion from rivers and lakes accelerates near urban centers due to factors like increased evaporation and groundwater exploitation. Researchers analyzed satellite imagery of the US from 1984 to 2018 and developed a model predicting surface water loss proximity to cities.
A new study by University of Western Ontario researchers finds that fear of predators can reduce prey population growth rates over generations. The study, led by Professor Liana Zanette, demonstrates for the first time in any free-living wild animal that fear itself can halve populations in a short period.
A University of Queensland-led study reveals that only 15.5% of global coastal areas remain undamaged, exposing the need for concerted efforts to conserve these ecosystems and mitigate climate change impacts.
Scientists have characterized thousands of small molecules in coral reef ecosystems, providing insights into food web dynamics and chemical ecology. The study found that corals and seaweeds release diverse compounds that influence nutrient concentrations and availability in the ecosystem.
Southern Ontario's wetlands filter out phosphorus and sediments from water, providing $4.2 billion worth of sediment filtration services each year. This is the first economic valuation study to separate the values of major wetland types, with marshes being the most valuable for sediment filtration.
A diverse pollen diet and varied landscape contribute to better colony growth and more offspring for young queens. This diversity also reduces the negative effects of infestation with parasitic wax moth larvae.
A study of 118 conservation units in Brazil found that 60% use unsuitable methods to detect deer presence. Visual analysis of droppings, fur, and footprints is a reliable method for most species, but others require DNA testing or camera traps.
Mathematical modeling can assess toxicants' impact on river populations without endangering the environment. A new model developed by Peng Zhou and Qihua Huang describes the interactions between a population and a toxicant in an advective environment.
The DNAqua-Net team developed a practical guide for implementing DNA-based biomonitoring tools, considering four sample types and two primary analysis types. The guide sets out scientific consensus and trade-offs, addressing logistics, time, and budget constraints.
The Resist-Accept-Direct (RAD) framework is a new approach to guide decision-making in managing ecosystems under global change. It offers three pathways: resisting, accepting, or directing change to produce desirable outcomes.
A new study finds that controlled burning can stabilize or increase soil carbon, offering a method to maximize carbon storage. By manipulating fires, ecosystems can store huge amounts of carbon when the frequency and intensity are just right. This approach may help maintain natural ecosystem processes.
The 2020 wildfires in Brazil's Pantanal wetland resulted in the deaths of an estimated 16.9 million vertebrates, including lizards, birds, and primates. The study estimates that between 13.2 million and 18.8 million small vertebrates and 691,000 to 1.2 million medium-to-large vertebrates were killed.
A new study found that Galápagos Islands Darwin's finch females who spend longer inside the nest can ward off deadly larvae of the introduced avian vampire fly, improving offspring survival. The maternal buffer is a life-saver, especially during the first days after hatching.
The QUENCH network aims to discover how the quality of urban ecosystems affects nature-connectedness and health. Funded by £312,000 from NERC, UKRI, the project brings together experts in environmental science, health, psychology, social sciences, and more.
Researchers found that tides play a crucial role in modulating groundwater discharge and coastal salinity, especially during low rainfall periods. Heavy rains and tropical cyclones also impact submarine groundwater discharge, with significant effects on coastal ecosystems and aquaculture.
A new global-scale analysis shows that phenological changes are lagging temperature change, especially in human-dominated landscapes. Human activities such as population density and land-use types play a key role in this mismatch.
A recent study published in Methods in Ecology and Evolution found that local environmental knowledge is a valuable tool for conservation in the Amazon, comparable to other scientific methods. Local ecological knowledge proved to be more accurate than 10 years of conventional scientific monitoring for animal abundance in the Amazon.
An international research team developed a novel sampling method called 'bat point counts' to detect and count flying bats. The new technique showed that insect-eating bats are more common than previously thought in oil palm plantations, playing a significant role in suppressing insect pests.
New research explores how climate extremes affect the West Coast Dungeness crab fishery and its impact on whale conservation. The study recommends combining improved forecast systems, technological innovations, and understanding human behavior to reduce whale entanglements.
The Resist-Accept-Direct framework offers three pathways for managers to respond to ecological transformation: resisting, accepting, or directing change. The framework has been developed by natural resource managers and ecologists to guide decision-making in the face of intensifying global change.
A major new study found that woodland and hedgerow creation can support higher numbers of pollinators, including bees, hoverflies, and butterflies. The survey, which covered hundreds of sites across Wales, revealed the importance of carefully managed habitats in land management incentive schemes.
International researchers used machine learning to forecast marsh establishment under various environmental conditions, revealing that controllable local factors are more important than global climate change. The study suggests smart management of tidal flats can counteract threats and strengthen wetlands.
A new Stanford analysis provides empirical evidence that wildfire is accelerating tree species range shifts toward cooler, wetter sites. The study found that two species had larger range shifts in areas burned by wildfire.
A new study found that heat and antibiotics alone and in combination degrade soil microbe efficiency, resilience, and ability to trap carbon. This could diminish soils' resilience to future stress and exacerbate climate change effects.
A study found that large herbivore biomass is only present in African reserves, with a close correlation between plant productivity and consumer biomass. In contrast, non-African ecosystems have low herbivore densities, even in protected areas.
A team of scientists tracked individual endangered Indiana bats and northern long-eared bats to understand their foraging behaviors and habitat preferences. The results show that most timber harvest strategies are neutral or even positive for the bats, with smaller patch cuts and thinning being compatible with conservation.
Researchers challenge long-held notion that humans are bad for ecosystems, finding no correlation between remoteness and coral reef resilience. Instead, areas with higher human influence may recover faster from disturbances due to shifts in coral population dynamics.
Researchers found that most anglers weren't thinking about how invasive species could affect their own lives, highlighting the need for personalized messaging. Tailoring education campaigns to an angler's values and risk perceptions can motivate action, such as decontaminating boats or attending cleanup events.
Climate change-driven reductions in precipitation and river discharge will diminish the Amazon's hydropower capacity, according to a new study. As a result, alternative energy sources like solar and wind are expected to become more important.
The study found that non-native mangroves on Moloka'i Island support a diverse range of zooplankton communities, rivaling those found in open coastal areas. This suggests that non-native mangroves may provide suitable habitats for rare and important species, altering the way invasive species are managed.
A new study by ANU researchers has found human impacts such as deforestation and mining have significantly transformed Lake Kutubu's algal and geochemical compositions. The lake is now showing signs of ecosystem collapse, including plumes of chemicals and health issues for local communities.
Ancient human societies adapted to tropical ecosystem dynamics, revealing their adaptability and resourcefulness. By studying these past interactions with the environment, scientists can better understand how to conserve tropical environments.
A University of Queensland-led study found that nearly 85% of coastal areas leach sediment to coral reefs, a major threat. Reforestation can help by reducing sediment transport, increasing light levels for coral growth and reproduction. Land restoration is crucial for building coral resilience.
Researchers found that areas protected under 'whole-site' Marine Protected Area (MPA) status have four-fold increases in fish abundance and diversity compared to unprotected areas. The study also showed significant benefits for commercially important fish species and conservation.
A study by Hokkaido University researchers found that seagrass ecosystems are more vulnerable to loss and degradation than mangrove ecosystems. Communities with greater reliance on fisheries and tourism income have higher socio-economic sensitivity due to low adaptive capacity, leading to limited alternatives to fishing. Improving acce...
Researchers at Texas A&M University applied the methods of globally recognized free-flight trainer Chris Biro to establish new bird flocks in the wild. The trained birds learned to recognize natural dangers, forage for food, and navigate their environment, paving the way for parrot conservation.
The study reveals that climate change affects the rate of decomposition and insect contributions to deadwood, releasing approximately 10.9 giga-tons of carbon worldwide annually
SECORE International's coral breeding technique shows significant success in closing the gap to scale for coral restoration, using floating mesocosms to produce thousands of coral recruits. The approach promotes genetic diversity and can help corals cope with climate change.
Managing 30% of land for conservation could safeguard 70% of terrestrial plant and vertebrate animal species while conserving over 62% of the world's above-ground vulnerable carbon. The study also suggests this approach could safeguard 68% of all clean water resources.
A new study reveals that 1,330 nurseries and retailers sell hundreds of invasive plant species, including 20 illegal ones. Regional regulation and outreach are needed to reduce their spread.
A new study found that US-China trade tensions would lead to increased nitrogen and phosphorus pollution and irrigation water consumption in agriculture, affecting not only the two countries but also other nations through international trade.
Researchers from FAU Harbor Branch adapted Structure-from-Motion photogrammetry to generate 3D models for tracking lesion progression and impacts on diseased coral colonies. The study found that stony coral tissue loss disease prevalence varied significantly across location, but not through time.
Decades of fire suppression have eliminated valuable wildlife habitat, but allowing lightning fires to burn has restored a resilient ecosystem with increased plant and pollinator biodiversity. This approach also limits the severity of wildfires and increases water availability during droughts.
Research by University of Washington and US Forest Service scientists reveals a dramatic shift in nighttime air's drying power over the Western US, increasing wildfire activity. This shift is not captured in climate models, with some areas experiencing water loss doubling up on warmer nights.
A new study by Ohio State University provides the most accurate estimates of microcystin toxins in Lake Erie's western basin, revealing fluctuating concentrations over short distances. The research emphasizes the importance of frequent data collection to improve water safety and forecasting for the lake's estimated 11 million people.
A new study by researchers at the University of Waterloo found that Indigenous fire stewardship increases biodiversity and ecosystem heterogeneity across all major terrestrial biomes. Cultural burning reduces risks of interface fires and has important cultural practices for resource management, community protection, and cultural purposes.