Ecosystem services and invasive species
...oth canopy and understory species. Valuation of ecosystem services of Overton Park, Memphis, TNMonday August...park, the largest green space in Memphis, provides ecosystem services as an urban forest. Often people appreciate the value of urban forests and green spaces for...What's nature worth? New computer models tell all
...t way for policy-makers to understand the specific ecosystem services in their area--and the impacts of differe...ols that will give a sophisticated portrait of the ecosystem dynamics and value for any spot on earth. "Land use planners, county commissioners, investment ban...Invasive species alter habitat to their benefit
...in a stronghold. "The invasive cattails change the ecosystem through litter accumulation, producing an environment in which native plants don't perform well but the invaders do," said Farrer. "As the environment changes, the cattails get more abundant and change the environment even more, resulting in even mor...Amphibian declines, disease ecology, biodiversity are highlighted at conference
...icanes, and biodiversity's importance to human and ecosystem health. Scientists are presenting results of thi...ence human health. In a symposium on biodiversity, ecosystem processes and human health, the take-home message is: What we don't know can harm us. Malaria, for...Biodiversity, Ecosystem Processes and Human Health
...ence our health. In the symposium, "Biodiversity, ecosystem processes, and human health" scientists will discuss how human-driven changes in biodiversity and ecosystem processes can affect human health, and how ecologists can help understand and potentially mitigate t...Loss of just one species makes big difference in freshwater ecosystem, study finds
...oval of just one important species in a freshwater ecosystem can seriously disrupt how that environment functio... could change carbon flow, an important measure of ecosystem function," says Taylor. During a six-year period, Taylor and his team discovered a strong associat...Insect predation sheds light on food web recovery after the dinosaur extinction
...some evolved to feed on new host plants. As the ecosystem rebuilt new links from its shattered state, the empty ecological space was open to opportunism, and in a few places the food chain became unbalanced and unstable. At Castle Rock, plants flourished in the warm wet climate and without insect predatory...Research partnership to protect the Coorong
...ng those of conservation value (migratory waders), ecosystem value (aquatic plant) or recreational value (black bream or mulloway) for the region. Linked to this will be examining the effects of increased water flows and whether these lead to increased productivity in the food-chain. The research will also ...Fight weeds with plant pathogens
...l problems. Invasive weeds are capable of altering ecosystem processes and displacing native plant and animal species. In addition, weeds serve as reservoirs for plant pathogens that impact crops. According to Rosskopf, there are two approaches used for managing weeds with plant pathogens-the classical biol...Global changes alter the timing of plant growth, scientists say
... to demonstrate how a typical California grassland ecosystem may respond to future global environmental changes. Researchers from Stanford and the Carnegie Institution's Department of Global Ecology conducted the experiment in about two fenced-off acres of the 1,189-acre Jasper Ridge Biological Preserve. The e...Global changes alter plant growth schedule
...sources. Scientists working in a natural grassland ecosystem in California have now found evidence that climate change may alter this delicate balance. "Under today's conditions, grasses flower early in the growing season and wildflowers flower later, but when we increased the concentration of carbon dioxid...Census of Marine Life US National Committee hosts 2006 Marine Biodiversity Workshop
...netic, species, and community levels contribute to ecosystem function, resilience, or adaptability and what are...matic but revealing metrics of biodiversity and/or ecosystem function should be considered for inclusion in ocean observing and assessment systems to provide con...MIT team describes unique cloud forest
... the area in Oman to learn how the Dhofar Mountain ecosystem "functions naturally, and how it may respond to human activity" that could lead to desertification and the need for reforestation. Eltahir and Hildebrandt, who is now at the UFZ Center for Environmental Research, in Leipzig, Germany, said the unusu...Boat paint to blame for Norfolk Broads' desolation
...ay 40 years on from TBT's introduction the fragile ecosystem remains shattered despite expensive attempts to restore it. Dr Carl Sayer, of the UCL Environmental Change Research Centre, who co-led the study, says: "For too long TBT has been neglected as a driver of environmental destruction in freshwater wetl...Deep sea explorer and marine conservationist wins MacArthur Fellowship
...mitment to reversing the worldwide trend of marine ecosystem degradation." Her work was highlighted for "fostering a greater understanding of ocean life as a means to better, more informed ocean stewardship." "Everyone focuses on the money," said Dr. Widder, "But what thrills me is the MacArthur Foundation's...Field Museum gives Parker/Gentry Award to missionary turned biologist, Jos 'Pepe' Alvarez
...hite-sand forests of Peru, a nutrient-poor type of ecosystem that some scientists consider the most fragile forest type in the Amazon. The Allpahuayo-Mishana Reserve includes fragments of white-sand forests, and it is in those fragments where Alvarez first heard, then found, all of the new species of birds he ......s suggest that microbes in the deeply buried, vast ecosystem below the seafloor carry out hitherto unrecognized processes, which are highly relevant to both our understanding of global element cycles and the metabolic abilities of Earth's microbial biosphere. "In a way, the finding was coincidental," Hinrichs ...Carbon capture, water filtration, other boreal forest ecoservices worth estimated $250 billion/year
...for natural capital to recognize the full value of ecosystem services provided by boreal forests, an ecological... Globally, the estimates produce a rough value of ecosystem services rendered by boreal forests (almost 10 million northern square km spanning Canada, Russia, S...USGS at The Wildlife Society: From sea-ice change to contaminants to predators and prey
... the Arctic, polar bears reflect the status of the ecosystem supporting them and are one of the best harbingers... of a "trophic" cascade, thanks to the large-scale ecosystem disturbance of the near extinction and subsequent recovery of sea otters from the Pacific maritime f...Groundbreaking study by Field Museum scientists explains mane variation in lions
...ajority of lions in regions like the greater Tsavo ecosystem (which is famed for its "maneless" lions), did app... cooler, higher altitudes of the greater Serengeti ecosystem and elevated plains extending northward, such as the Athi/Kapiti Plains and beyond. According to th...