The March 2009 issue of BioScience explores new tools for weed science, the role of field stations in cultivating biologists, and quantifying ecosystem services. Researchers argue that changes in connectivity drive desertification and highlight the importance of nonindigenous species affecting salmon populations.
A team of scientists recommends a two-pronged approach to managing nutrient pollution, which includes reducing both phosphorus and nitrogen inputs along the land-to-ocean continuum.
Researchers use novel tools to quantify ecosystem services, including pollination and flood protection, with promising results for conservation efforts. High levels of biodiversity often correlate with enhanced ecosystem services, suggesting preservation as key to unlocking their value.
A recent study published in the Proceedings of the National Academy of Sciences highlights the need for improved understanding of ecosystem interactions and long-term data collection. The authors warn that current approaches are limited by discipline-bound thinking and lack a full description of the complex biophysical and social systems.
Ancient DNA and palaeontology researchers analyzed coprolites from giant extinct birds to build a detailed picture of an ecosystem dominated by these species. The findings suggest that some moa grazed on tiny herbs, while others are threatened or rare due to their extinction.
Recent research advancements reveal new techniques for studying leaf development, while also exploring the potential benefits of aquaculture when practiced sustainably. Large wetlands provide vital ecosystem services, including carbon cycling and freshwater supply, making them crucial for conservation planning.
Researchers at Queen's University found striking ecosystem changes in temperate lakes due to climate warming. Changes were observed decades later than in Arctic lakes, with relationships between lake algae and air temperature, ice-out records, and long-term changes.
Researchers created a mini-ecosystem to study marine microorganisms' behavior and found they exhibit sophisticated foraging strategies, influencing carbon flux in the oceans. This discovery may lead to better predictions of their global-scale impact on climate.
The study reveals that marshes lost elevation after Hurricane Ike, contrary to expectations. Damage to the coastline sparks debates around public access and private property issues. Researcher Dr. Rusty Feagin's findings highlight the importance of preserving natural processes to mitigate the effects of future storms.
Recent studies in BioScience explore advancements in bacterial identification using genomics and proteomics. The journal also examines the ecological consequences of West Nile virus outbreaks and the importance of ecosystem services.
The Three Gorges Dam's reservoir will create a new ecosystem with unprecedented fluctuating water levels. Experts propose using terraced ponds, wetlands, and fish net systems to make the most of this situation.
The ICSU has approved a major international research programme to study the relationship between humans and ecosystems. The programme aims to provide scientific knowledge needed for sustainable use of valuable ecosystems.
Researchers found that tadpoles help keep algae at the base of the food chain productive, but their absence leads to more sediment and less productive algae. The study demonstrates how the grazing activities of tadpoles help maintain a healthy stream ecosystem.
A group of internationally recognized scientists urges the U.S. to adopt sustainable standards and practices for cellulosic biofuel production to minimize environmental harm. The experts emphasize the need for incentives to promote environmentally friendly growing practices among farmers.
Ecological restoration is a tool to reverse ecosystem fragmentation by reintroducing living components and reestablishing healthy interactions within landscapes. This approach can enhance land function beyond food production, fuel, and fiber, and mitigate its adverse effects.
A new experiment simulates predicted rainfall patterns and assesses the effect of diverse plant species on ecosystem responses. The study focuses on how changes in plant diversity modify key functions such as water processing, nutrient cycling, and carbon storage under changing climate conditions.
Researchers used lab-based experimental ecosystems to model relationship between nutrients and biodiversity, finding that precise relationship depends on species present. The study's results show that low levels of nutrients can lead to high levels of biodiversity.
A group of experts has developed a roadmap for improving our understanding of how mercury moves through the marine ecosystem and into the fish we eat. The report prioritizes integrated monitoring across habitats, considering links between marine sources, biotransfer processes, and bioaccumulation mechanisms.
Researchers explore the application of ecosystem services approaches to conservation, finding that preserving these benefits is more economically and environmentally valuable. Studies reveal tradeoffs among ecosystem services and highlight the importance of considering long-term perspectives in management actions.
The partnership aims to improve decision-making by incorporating the value of ecosystem services into policy. Researchers will use computer models to predict impacts on ecosystem services from development options.
The EPA report identifies strategies to protect the environment as climate change occurs, using a unique approach that considers management goals for protected areas. The report finds that existing best practices can be applied to reduce the impacts of climate change on ecosystems.
The TEEB report presents a comprehensive economic case for conserving biodiversity, citing severe consequences if current decline continues. Economic valuation studies show that the loss of biodiversity and ecosystem services has significant human costs, particularly for the poor.
A recent study by Brown University scientists found that higher plant diversity significantly enhances an ecosystem's productivity, capturing more carbon dioxide and reducing global warming. The researchers also discovered that the number of plant species in a natural environment has a positive correlation with ecosystem productivity.
Researchers warn that modern agriculture can lead to major disruptions of the world's water flows, particularly in the world's poorest regions. Ecosystem flips can have significant and sometimes devastating effects on human well-being, as global populations suddenly lose resources they are dependent on.
Researchers discover ancient organism with multiple reproductive strategies, including sexual reproduction, dating back to the Neoproterozoic era. The findings suggest that ecosystems were complex and interconnected hundreds of millions of years ago, providing insights into early life evolution and potential extraterrestrial life.
The study found that an intermediate rate of dispersal creates a 'happy medium' wherein species move around enough to adapt to harsh environments, increasing ecosystem productivity and biodiversity. This breakthrough helps ecologists develop strategies for conservation areas with high biomass and diversity.
A new study reveals that the slightest environmental perturbation can tip an ecosystem's balance, with unpredictable and irreversible consequences. Icelandic midges provide a unique model to assess these dynamics, highlighting the fragility of ecosystems and the importance of understanding their responses to human-induced changes.
The journal, launched by Mongabay.com, will publish original research papers and reviews on tropical forest and ecosystem conservation. It aims to stimulate publications addressing social, economic, and industrial drivers impacting tropical ecosystems.
Researchers from LSU and University of Washington dispute claims that the Gulf's ecosystem is collapsing due to overexploitation. They found little change in fish populations over 40 years, despite the region's unique environment influenced by the Mississippi River.
Scientists are using integrated ecosystem assessments to prioritize strategies for restoring Puget Sound's ecosystem. Increasing salmon production can have negative impacts on wild Chinook salmon populations, highlighting the need for balanced management approaches.
Researchers suggest diversifying local ecosystems to increase resilience against climate change impacts. Local policies focus on adaptation rather than mitigation, according to Charles Perrings' research based on the Millennium Ecosystem Assessment.
Noted UNH oceans expert Andrew A. Rosenberg will address the issue of how to protect and manage ocean resources at this year's American Association for the Advancement of Science annual meeting. He emphasizes the need to learn from past mistakes and adopt new approaches such as ecosystem-based management.
A new approach to managing marine resources in Puget Sound uses ecosystem services as a framework, including the value of Dungeness crab and eelgrass. This research aims to inform management decisions that balance economic and environmental concerns.
The Gulf of Maine's ecosystem has undergone significant changes due to fishing and climate change, highlighting the need for a holistic approach to fishery management. A new approach prioritizing ecosystem processes and tradeoffs between human activities is necessary to balance economic needs with environmental protection.
A Yale study finds that predators, rather than plants, determine the type and abundance of herbivores and carnivores in an ecosystem. The research shows how spider hunting modes affect grasshopper behavior, promoting habitat diversity but also depleting nitrogen in the soil.
A study by the Wildlife Conservation Society found that white-tailed jack rabbits were once abundant in Greater Yellowstone but have disappeared since 1991. The disappearance may be causing elevated predation by coyotes on juvenile elk and other ungulates, highlighting the need for reintroduction.
Recent decades have seen a significant shift in oil palm research, with an increasing focus on the environment and biofuel production. However, biodiversity assessments remain scarce, particularly for insect species that carry out key ecosystem functions.
New research shows that aphids feeding on low-quality Brussels sprouts are smaller and fewer in number, leading to a ripple effect throughout the food chain. This has significant implications for the structure and diversity of ecosystems, highlighting the importance of plant quality in shaping ecosystem function.
Cities face significant sustainability challenges, but urban ecologists can help by applying ecological principles to design and develop projects. By integrating biodiversity and ecosystem function into urban planning, researchers aim to create sustainable environments that support human well-being.
Dr. Constable will create an ecosystem-based management plan to safeguard baleen whales and other marine life in the Southern Ocean's rapidly-growing krill fisheries. His project aims to promote environmentally sustainable growth of the industry and address concerns over climate change and overfishing.
Dr. Rochet will compare the impact of selective and non-selective fishing on marine ecosystems, aiming to pinpoint the least harmful method to reduce wasteful bycatch and promote ecosystem conservation.
A CU-Boulder study calls for a new approach to conservation, focusing on nurturing novel ecosystems and developing strategies to enhance their health. The researchers argue that current management practices often overlook the interconnectedness of ecosystem components, leading to ineffective solutions.
Scientists propose a new approach to managing ecosystems, focusing on sustaining healthy ecosystems that are resilient to further environmental change. This approach acknowledges the current level of change in an ecosystem and uses innovative strategies to ensure its resilience.
A study found that elephants' browsing activities create hiding places and twisted crevices in trees, which boost lizard densities. The research suggests that elephants play a crucial role in shaping the ecosystem, particularly in African wildlife refuges.
A new study indicates that preserving coastal ecosystem services doesn't have to be an all-or-nothing approach, and a better understanding of how ecosystems respond in a 'nonlinear' fashion could help reach societal compromises. The researchers used the values and uses of mangrove forests in Thailand as a case study, finding that prote...
Researchers find that small losses of mangroves can be offset by gains from shrimp farming, allowing for a balance between environmental protection and economic development. The study suggests using ecosystem-based management to conserve entire ecosystems and mitigate the impact of human activities on natural habitats.
The Bering Sea's rich food web could fray as algae adapt to greenhouse conditions, affecting top predators like pollock and hake. A shift away from diatoms towards smaller phytoplankton could undermine the biological pump, making the ocean less able to soak up atmospheric carbon dioxide.
Researchers explore how modern concepts from mathematical ecology can benefit economically vital yet ecologically complex areas. The four articles in the special section highlight different aspects of attempts to incorporate these concepts into ecosystem-based management.
A new report suggests that preserving deep-sea biodiversity is crucial for the health of oceans. Researchers found that sites with a higher diversity of nematode worms support exponentially higher rates of ecosystem processes and increased efficiency. This study highlights the importance of protecting the world's most critical ecosystem.
Soil samples from a forest ecosystem with artificially elevated CO2 levels reveal distinct changes in the mix of microorganisms living beneath trembling aspen trees. These changes support increased plant growth and the ability to sequester excess carbon.
A US-French research team is creating a comprehensive inventory of all non-microbial life on Moorea, including plants, animals, and fungi. The project aims to catalog and barcode every species on the island, shedding light on ecosystem responses to climate change, invasive species, and human impact.
A new study by Conservation International and the University of Vermont reveals that conserving biodiversity also protects essential ecosystem services like fresh water, food, and carbon storage. The report estimates the annual value of these services to be over $33 trillion.
Researchers demonstrated a direct link between mercury concentrations in fish and changes in atmospheric deposition, revealing rapid responses over the first three years of study. The study's results show the benefits of regulating mercury emissions and near-term effectiveness of emission reductions.
The Brazilian Atlantic forest has lost 95% of its original size, but researchers have found 'refugia' where the forest is still thriving. These regions may hold the secrets to regenerating the ecosystem.
Researchers explore 'tipping points' in agriculture, highlighting the need to understand regime shifts to sustain ecosystem functions. The symposium identifies potential tipping points related to water and agriculture that could have major global consequences.
Studies of coral reefs, rocky intertidal areas, and sea grass beds suggest that depletion of top-level consumers is a key driver of ecosystem changes. The authors' findings have major implications for coastal ecosystem management, as reducing nutrient levels may not restore habitats.
The report outlines practical approaches toward ecosystem-based fishery management, citing the success of Alaska and North Pacific fisheries. The Marine Conservation Alliance recommends 13 best practices to ensure sustainable fishing practices while preserving ecosystem health.
The Institute of Ecosystem Studies has been recognized for its innovative deer management program, which balances forest health with deer populations. The program's success has informed deer management initiatives across the northeastern US and beyond.
A Smithsonian-led research team has won a scientific prize for their study on the impacts of habitat fragmentation on the Amazon ecosystem. The team found that tree communities are rapidly changing in forest fragments due to ecological changes near the margins, posing a significant threat to Amazonian biodiversity.
A massive cold-water eddy has been discovered off the coast of Sydney, altering the East Australian Current's flow. The eddy's impact on the Tasman Sea ecosystem is still unknown.