A special issue of Yale's Journal of Industrial Ecology highlights the most impactful products on the environment, with 70-80% of damage attributed to automobiles, air transport, food, and energy use. The research informs environmental improvement programs and policy decisions globally.
A recent study published in the Journal of Theoretical Biology reveals that the last male to mate with a female in polyandrous species has a higher chance of successful impregnation due to the presence of extra seminal fluid from previous partners.
Scientists found that the bacterium Carsonella ruddii has the fewest genes of any cell, with only 182 protein-coding genes in its tiny genome. This discovery provides new insights into bacterial evolution and suggests that some genes may have been transferred to the insect's genome.
An interdisciplinary team will investigate how environmental changes influence an organism's evolution and how the evolving organism affects the ecosystem. The study, led by UC Riverside's David Reznick, aims to understand eco-evolutionary feedback loops in guppy populations coexisting with Hart's killifish.
Harvard University's Harvard Forest has received a $4.9 million grant from the National Science Foundation to study landscape change in New England. The six-year project will examine the drivers and consequences of forest responses to natural and human disturbances, with potential applications for regional land protection and management.
A new University of Florida study finds that live oaks are dying off as they are crowded and overshadowed by the encroachment of taller trees, threatening their survival. The study's co-authors mapped crown densities in Alachua County, Florida, revealing that sweet gum, black cherry, and magnolia are among the culprits.
The National Science Foundation has renewed and increased funding for the National Center for Ecological Analysis and Synthesis (NCEAS) at UC Santa Barbara. The center will receive $18.4-million over five years, with an additional $2.6-million to advance research on managing complex ecological information.
The University of Victoria-led NEPTUNE Canada observatory will receive a significant boost in funding, allowing for expansion of its scope and scientific impact. The additional $20 million will enable more comprehensive studies on ocean-climate interactions, fisheries, gas hydrate deposits, and seafloor ecology.
The Academy of Finland is funding 12 research consortia and three individual projects to develop new eco-efficiency indicators and model an eco-efficient biorefinery. The goal is to create a more sustainable future through the recycling of raw materials, waste reduction, and innovative production methods.
A recent special issue of Frontiers in Ecology and the Environment highlights China's environmental concerns, including water and air pollution, cropland loss, and biodiversity decline. The country's rapid urbanization is also exacerbating these issues, with over 50% of its population expected to live in towns and cities by 2020.
Scientists found that global changes may alter the delicate balance of species coexistence by changing the timing of plant activity. Climate change accelerated springtime flowering of all species, but elevated carbon dioxide and nitrogen deposition caused wildflowers to flower earlier while grasses delayed their blooming.
A multi-million dollar research partnership aims to protect the Coorong's ecological health and conserve threatened species through detailed studies of the region's ecology and water regime. The project will produce ecosystem-level models for predicting future changes in the wetland.
A new computer model combines ocean current simulations and genetic forecasting to predict coral reef ecology and animal dispersion patterns. The model was tested with empirical data from threatened staghorn corals, showing successful predictions of genetic patterns on a regional scale.
A team of scientists led by Greg Asner discovered a strong link between selective logging and clear-cutting in the Brazilian Amazon. They found that areas within 15 miles of major roads are more likely to be cleared, with 32% of logged areas cleared within four years.
Dr. Gene E. Likens and Dr. Steward T.A. Pickett are honored by the Botanical Society of America for their groundbreaking research on acid rain, freshwater ecology, and urban ecology. Their work has informed national legislation and transformed the Institute of Ecosystem Studies into a global leader in ecological research.
The University of Liverpool has secured a £2.5M investment to enhance its marine biology research and facilities, including a new mesocosm system and research vessel. This expansion will support the creation of seven new academic posts and introduce new undergraduate and postgraduate programmes.
Ecologist and Princeton Professor Simon Levin emphasizes the importance of self-organization in ecosystems and the interface between ecology and economics. His lecture at SIAM Annual Meeting explores mathematical approaches to uniting ecology and socioeconomics for a sustainable future.
The University of Washington's Restoration Ecology Network empowers students to take on real-world restoration projects, from streamside restorations to neighborhood revitalization. By developing stewardship plans and working with clients, teams gain hands-on experience and create lasting bonds between the university and the public.
The study suggests that traditional restoration projects may face less support due to climate change, and that new approaches are needed. The authors recommend considering the implications of climate change on restoration practice.
Scientists have discovered a link between bacterial growth fueled by algae and the death of corals. The study shows that bacteria suffocate corals by cutting off oxygen supply, leading to a positive feedback loop that accelerates reef decline. Human activities such as overfishing, pollution, and climate change exacerbate this process.
A recent study by Cornell University researchers found that acid rain is causing a decline in sugar maple trees due to its acidic effects on the soil. The study used a test plot to replicate favorable soil conditions prior to industrial pollution and found that sugar maples rebounded dramatically when calcium levels were restored.
Research reveals that non-pathogenic bacteria from cow manure share antibiotic-resistance genes with multi-drug resistant Salmonella strains on the same farm. Ecology appears to play a major role in the spread of drug resistance, rather than therapeutic antibiotic use.
Researchers are using California horn snails as a 'data logger' to monitor trematode populations and infer predator-prey relationships in wetland ecosystems. The study found that higher parasite counts were associated with more bird species, indicating the effectiveness of this method for assessing biodiversity.
Park Grass study demonstrates the value of long-term experiments in ecological studies, revealing new insights into plant biodiversity, competition between plants, and climate change effects. The experiment has inspired new ecological theory and has helped ecologists recognize its importance.
A recent study challenges metabolic ecology models, which failed to explain tropical forest structure and dynamics. Instead, researchers found that environmental conditions and species traits play a crucial role in shaping these ecosystems.
Researchers found that a 'dead zone' summer in Narragansett Bay led to the death of approximately 4.5 billion mussels, with filtering capacity dropping by 75 percent within weeks. The loss of such a foundation species has lasting effects on the ecosystem.
Researchers investigate tropical forest structure, uncovering intricate relationships between tree diversity, spatial distribution, and environmental factors. The study reveals that tropical forests exhibit complex characteristics that resist simplistic explanations, highlighting the need for nuanced understanding of these ecosystems.
A new special issue of Yale's Journal of Industrial Ecology examines the practical application and framework of eco-efficiency. Researchers used data envelopment analysis and maximum abatement cost method to quantify environmental impact, demonstrating progress in understanding the economy-environment tradeoff.
Researchers found that extinction-proof population sizes are impossible to predict based on species characteristics alone. The study highlights the complexity of extinction risks and challenges traditional assumptions about species survival.
In a unique discovery, researchers found that Batwa Pygmies located bee nests for honey, and Apis mellifera subspecies coexist with native-American stingless bees. The Bwindi-Impenetrable National Park's diverse ecosystem lacks ecological information on honey-making bees.
A study in a Venezuelan reservoir found that predator-free islands had significantly fewer plant species and smaller sapling densities than larger land masses. The researchers concluded that the presence of predators is essential for maintaining biodiversity and preventing ecosystem collapse.
Scientists are harnessing microbial biotechnology to address global environmental issues by utilizing diverse microbial communities and their functions. By leveraging cutting-edge DNA-based techniques, researchers can identify and utilize beneficial microorganisms to clean up pollutants, generate renewable energy, and detect pathogens.
Research reveals farmed salmon have evolved genetically differently to wild salmon, backing claims of negative impact on health. The study found 20% difference in genes and potential for hybridization altering wild salmon's fitness.
Tropical regions are facing growing fire hazards, leading to more severe impacts on local ecosystems. The study found that repeated fires are causing cumulative stress to sensitive species.
A Pitt professor proposes using an ecological management system to evaluate nature's economic value, bridging economics and ecology. The approach considers ecosystem services like storm damage reduction and wetland maintenance, highlighting the gap between market and social values.
A team at UC Irvine will receive a $1.5 million grant to develop computer-based simulations of pandemic flu and other infectious disease outbreaks. The research aims to improve understanding of how to prepare for and contain the spread of such diseases.
The UC San Diego-Venter Institute partnership aims to create a community resource for metagenomic data, facilitating advances in marine microbial ecology and evolutionary biology. The project will develop a novel cyberinfrastructure to store, analyze, and draw conclusions from large-scale microbial genomic sequence data.
Researchers propose 'Darwinian debt' as a key factor in fish stock depletion, suggesting that species' inability to adapt to changing environmental conditions leads to population decline. This concept challenges traditional views on conservation and management strategies for marine ecosystems.
The DOE JGI is accepting letters of intent for new CSP projects until January 13, 2006, with a focus on advancing the nation's energy security. The institute will prioritize proposals that translate genomic information into discoveries for developing cleaner domestic energy options.
Yale is establishing an online library for developing countries to access peer-reviewed scientific literature. The project aims to increase the ability of scientists in underdeveloped nations to conduct high-quality research and develop educational programs.
Research reveals that drought-stressed soils create an environment conducive to the spread of fungal disease by predatory periwinkles, which graze on cordgrass. This top-down approach to salt marsh ecology challenges long-held assumptions about the main causes of marsh die-off.
New analysis confirms a logarithmic relationship between population size and time-to-extinction, providing insights into extinction dynamics. The study also reveals that ten populations exhibiting 'extinction vortices' show deteriorating dynamics as extinction approaches.
The Bornean elephant has been confirmed as a separate sub-species, with an estimated 1,100-1,500 individuals remaining in the wild. The Cardiff University study will provide essential conservation information and training for Malaysian organizations on wildlife monitoring techniques.
A study found that poor forest management practices in the early 20th century have reduced the amount of carbon that modern forests can store by half. The researchers measured the carbon stored in several forested plots that were harvested and burned, finding that they stored only half as much carbon as adjacent control plots.
A new model developed by Hyun Jung Cho predicts the key factors and provides quantitative results to protect wetlands, addressing global concerns in ecological restoration. The model can be used for other coastal SAV habitats with local light requirements substituted.
Researchers at Oregon State University have cultured SAR11 bacteria in a lab to study its unique 'proteorhodopsin' gene. The findings suggest that this gene may serve as an auxiliary energy system for the cells when faced with starvation, benefiting ocean life.
New studies reveal that a significant portion of US species are threatened, with only 15% well-studied. Wandering albatrosses have an unique foraging strategy, catching prey in highly dispersed areas. Coral reefs can recover from nuclear tests within five years, but ecosystem integrity is crucial.
A new Science study confirmed that mangroves played a crucial role in shielding communities from the devastating effects of tsunamis. The study found that areas with trees suffered less destruction than those without, highlighting the importance of coastal vegetation in reducing tsunami damage.
Scientists investigate bacterial adhesion to iron oxide surfaces using dual-strategy approach, combining protein pinpointing and random mutagenesis. The goal is to understand genetic, biochemical, and regulatory processes controlling cell attachment, with potential applications for environmental remediation and metal biotransformation.
Researchers found that sea lilies move by shedding stalk ends and using feathery arms to crawl. This defense strategy helps them evade sea urchins, which prey on them. The discovery sheds light on the evolution and ecology of deep-sea creatures.
Peter A. Raymond, Yale assistant professor of ecosystem ecology, has received the 2005 Cronin Award for his research on rivers, estuaries, and coastal systems' role in carbon budgets. He studies climate and land use's impact on river carbon transfer and collaboration with researchers on air-water CO2 exchange.
The joint NSF-NIH program aims to create a predictive understanding of the ecological mechanisms governing relationships between human-induced environmental changes and infectious diseases. Researchers will study how large-scale events alter disease emergence, allowing for better control of disease spread among humans, animals, and crops.
Research suggests that pigment spots on bird eggs strengthen the shell by compensating for reduced thickness caused by calcium deficiency. Females nesting on low-calcium soils lay thinner-shelled, more-spotted eggs than those on high-calcium soils.
Bumblebees are twice as likely to choose green flowers over orange flowers when they watch others foraging on them. This is the first demonstration of insect social learning, where bumblebees learn by observing other insects.
Researchers found that small oyster shell reefs are effective in slowing erosion on low wave energy shorelines, but less effective in higher wave energy environments. This study suggests that oyster reefs could be a useful tool for coastal managers to stabilize shorelines under low energy conditions.
A recent study found that about half of protected species are no longer declining in numbers. The research highlights the importance of considering agency administration and funding in evaluating the success of conservation efforts under the Endangered Species Act.
A review highlights the need for ecological consideration in renewable energy development, particularly offshore wind farms. Environmental impacts of construction, operation, and decommissioning of these projects could harm coastal species and ecosystems. However, offshore renewables also offer opportunities to enhance local biodiversity.
Researchers at Yale University discovered that male birds produce unique songs by rubbing their wings together. The wing song is as loud as a typical bird vocal and can be heard tens of meters away. This unusual behavior supports the theory that sounds made by feathers evolved through sexual selection.
This special issue examines the role of consumption in shaping the environment, exploring its impact on water use, energy consumption, and product life spans. Researchers analyze household and global consumption patterns to better understand the pivotal role of consumption in environmental management.
Researchers explore bacterial cooperation as a therapeutic target to combat antibiotic-resistant infections. By understanding how bacteria collaborate, scientists hope to develop novel treatments that can effectively target these complex interactions.