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Ecosystem in Biological News

Global curbs on overfishing are beginning to work

... ecosystems. Australian Beth Fulton, a fishery ecosystem scientist from the CSIRO Wealth from Oceans ... and enforcement capacity. Dr Fulton used the ecosystem models Atlantis and Ecosim to analyse ecosystem recovery in 31 fisheries worldwide, 10 in detail, ...

Spring cold snap helps with stream ecosystem research

... "Unexpected effect of climate change: Stream ecosystem responses to the 2007 spring freeze" describes ... productivity pulse in the stream that drives the ecosystem during the spring months could be shortened with ... the Walker Branch stream to prosper, but an ecosystem cannot count on unexpected weather events to ...

Wolf reintroduction proposed in Scottish Highland test case

... the experiment might demonstrate the same ecosystem recovery is possible in Scotland that has been ... one key predator can have cascading effects on an ecosystem that go far beyond the obvious. The new report ... "The long-term absence of any organism or ecosystem from a region can be a major barrier to ...

Nitrogen research shows how some plants invade, take over others

... Over seven years' study at the Cedar Creek ecosystem Science Reserve in central Minnesota, Knops and ... studied the nitrogen pool and fluxes in the ecosystem that included seven grassland and forest species, ... nitrogen pool that was not driven by increased ecosystem level nitrogen inputs," Knops said. "But we found ...

Ancient ecosystem thrives millions of years below Antarctic glacier

... Mont. -- Scientists have found an ancient ecosystem below an Antarctic glacier and learned that it ... Described in the April 17 issue of Science , the ecosystem lives without light or oxygen in a pool of brine ... Sciences at Montana State University. The ecosystem contains a diversity of bacteria that thrive in ...

Ecologists report quantifiable measures of nature's services to humans

... The idea of ecosystem services is a promising conservation concept but ... Nature Conservancy, and Susan Ruffo, director of ecosystem services programs at TNC, in an editorial in the ... solutions." Some of the best-described ecosystem services include pollination of crops, flood and ...

Lovejoy and Laurance, BBVA Foundation award in ecology

... now perilously close to the point of no return. ecosystem degradation is advancing much faster than we ... time has been to understand the consequences of ecosystem fragmentation, "but lately we have observed how ... Researchers there track the "before and after" of ecosystem fragmentation with regard to the abundance of ...

What we don’t know still hurts us, environmental researchers warn

... the years to come. A worldwide 2005 Millennium ecosystem Assessment enlisted hundreds of scientists to ... soil sciences. The MEA found about 60 percent of ecosystem services supporting life including fresh water, ... worse in general comes out of the Millennium ecosystem Assessment," he said. "Our job was to say 'OK, ...

BioScience tip sheet, January 2009

... and Cleber J. R. Alho. The authors explore the ecosystem services provided by four diverse examples of the ... for conservation planning." Fish, Floods, and ecosystem Engineers: Aquatic Conservation in the Okavango ... from inflowing rivers, but also on the actions of ecosystem engineers. Understanding this complexity can help ...

Study links ecosystem changes in temperate lakes to climate warming

... the last few decades has triggered widespread ecosystem changes in many temperate North American and ... sediments archive an important record of past ecosystem changes by the fossils preserved in mud ... as food for other larger organisms. Striking ecosystem changes were recorded from a large suite of lakes ...

Study links ecosystem changes in temperate lakes to climate warming

... the last few decades has triggered widespread ecosystem changes in many temperate North American and ... sediments archive an important record of past ecosystem changes by the fossils preserved in mud ... as food for other larger organisms. Striking ecosystem changes were recorded from a large suite of lakes ...

Dune and dirty: Hurricane teaches lessons through ecosystem research

... is of Dr. Rusty Feagin who was managing several ecosystem research projects on Galveston Island when the ... GALVESTON Dr. Rusty Feagin was managing several ecosystem research projects on Galveston Island when the ... idea I've had for several years," said Feagin, ecosystem scientist with Texas AgriLife Research. "The ...

NIST awards $24M in grants for new research facilities

... at San Diego for the construction of a Marine ecosystem Sensing, Observation and Modeling (MESOM) ... with critically needed infrastructure. Marine ecosystem Sensing, Observation and Modeling Laboratory ... of the ocean ecology of the California Current ecosystem (CCE), a major Pacific biome, and forecast ...

BioScience tip sheet, November 2008

... tools for restoration ecology. The Tragedy of ecosystem Services. Christopher L. Lant, J. B. Ruhl, and Steven E. Kraft. ecosystem services are rarely traded in markets, but are ... Reform in these areas and the development of ecosystem service districts could remedy this social trap. ...

EPA teams with National Geographic Society and World Resources Institute to map ecosystem services

... that will help to fully account for the value of ecosystem services. ecosystem services are the goods and services people obtain ... Geographic Society to develop better ways to map ecosystem services and communicate these maps to the ....

European biodiversity and ecosystem scientists merge and gear up for long-term research

... an ESF Research Networking Programme (RNP) for ecosystem and biodiversity analysis on the back of existing ... on the whole field of biodiversity and associated ecosystem processes, from the molecular to the ecosystem level and across all groups of organisms. Until ...

Wetlands expert: China should think outside the flooding box with Three Gorges Dam

... The region will become home to an entirely new ecosystem as an unprecedented amount of water covers what ... exist to try to make the best of the new ecosystem conditions of unprecedented fluctuating water ... see something it's never seen before. There is no ecosystem that has such an exaggerated change in flooding ...

ICSU launches new program to understand the human impact on Earth's life-support systems

... and eco-tourism). In 2005, the Millennium ecosystem Assessment (MA) reported that, because of human actions, more than 60% of ecosystem services were degraded or being used ... It links both natural and social sciences with ecosystem services and integrates the three pillars of ...

UGA study reveals ecosystem-level consequences of frog extinctions

... that is the first to comprehensively examine an ecosystem before and after an amphibian population decline ... the extinction event and were able to look at the ecosystem and measure how it changed," said Pringle, ... of their research, Connelly and Pringle assessed ecosystem changes that occur when tadpoles are ...

Experts agree: to protect the environment, biofuel standards are needed

... and species loss. Dr. Kathleen Weathers, an ecosystem scientist at the Cary Institute of ecosystem Studies and one of the paper's authors, comments, ... help farmers choose crops that provide valuable ecosystem services. Weathers notes, "There is the real ...

Plants in forest emit aspirin chemical to deal with stress; discovery may help agriculture

... had never before detected methyl salicylate in an ecosystem or verified that plants emit the chemical in ... that plant-to-plant communication occurs on the ecosystem level," says NCAR scientist Alex Guenther, a ... stress. At present, they often do not know if an ecosystem is unhealthy until there are visible indicators, ...

Southern Sierra Science Symposium planned for Visalia

... panel presentations based on resource areas or ecosystem topics. At days end there will be clarification ... as a contributing scientist on the Sierra Nevada ecosystem Project, the Science Advisory Board for the new ... are the effects of disturbance on forest ecosystem structure, composition and function. BUILDING ...

Dartmouth workshop sets research agenda for environmental mercury

... of how mercury moves through the marine ecosystem and into the fish we eat. Members of ... poses a threat to humans not to mention the ecosystem itself we know very little about the physical ... "Fate and Bioavailability of Mercury in Aquatic ecosystem and Effects on Human Exposure," also included ...

Evaluating ecosystem services

... (ESA), ecologists will explore the application of ecosystem services approaches to conservation. ecosystem services are the benefits that humans reap from ... An example of a managed area that provides many ecosystem services is tiny Lake Wingra, near Madison, ...

Scripps study sets high economic value on threatened Mexican mangroves

... to the study. The annual worth of mangrove ecosystem services worldwide has been estimated at more ... be converted for development and services of the ecosystem lost, then users depending on these ecosystem services should be compensated," added Professor ...

Study reveals air pollution is causing widespread and serious impacts to ecosystems

... Bay, a new report by the Cary Institute of ecosystem Studies and The Nature Conservancy has found that air pollution is degrading every major ecosystem type in the northeastern and mid-Atlantic United ... resident plants and animals. "To safeguard ecosystem health, we need a new way of thinking about air ...

Ecology, economics and soil societies brief Congress on post-wildfire resource management

... for the regeneration of these valuable ecosystem resources. "Research into effective ... to promote healthy ecosystems and sustainable ecosystem services, which benefit all humankind." In ... the negative effects on soil quality and ecosystem services. The panel provided a scientific ...

US EPA, UVM's Gund Institute team up to develop new ways to understand ecosystem services

... the costs and benefits of actions that alter ecosystem services -- the goods and services of nature such ... control, soil enrichment, and food and fiber. ecosystem services are the benefits people obtain from ... with the Gund Institute, a leader in ecosystem services research," said George Gray, assistant ...

New report available on ecosystems and climate change

... strategies will increase the resilience of each ecosystem in other words, increase the amount of change or disturbance that an ecosystem can absorb before it shifts to a different ... restoring vegetation along streams also increase ecosystem resilience to climate change impacts, such as ...

Coastal management cooperation, enforcement key to avoid pending crisis for millions: UN experts

... alters patterns of water movement and disrupts ecosystem functioning; Over-fishing of coastal and ... do anything useful to address the human and ecosystem impacts of concern. The report says a great ... that are not based on scientific understanding of ecosystem protection with little if any regulatory ...

Coastal management cooperation, enforcement key to avoid pending crisis for millions: U.N. experts

... alters patterns of water movement and disrupts ecosystem functioning; Over-fishing of coastal and ... do anything useful to address the human and ecosystem impacts of concern. The report says a great ... that are not based on scientific understanding of ecosystem protection with little if any regulatory ...

The Economics of Ecosystems and Biodiversity- TEEB

... decline in biodiversity and the related loss of ecosystem services will continue and in some cases even ... They are the ones most reliant on the ecosystem services which are being undermined by flawed ... Incorporating the true value of biodiversity and ecosystem services into policy decisions is the ultimate ...

Integrating restoration and conservation within the ecosystem approach

... Restoration & Biological Conservation within the ecosystem Approach at the Convention on Biological ... 2008 The SER Briefing Note states that the ecosystem Approach, as developed by the CBD and others, ... their potential for integration within a unified ecosystem approach. According to Keith Bowers, SERs Vice ...

Novel living system recreates predator-prey interaction

... others' suicide rates. We created a synthetic ecosystem made up of two distinct populations of E. coli, ... Institute for Genome Sciences and Policy. This ecosystem is quite similar to the traditional predator-prey ... of reprogrammed bacteria live in the same ecosystem and are dependent on each other for survival. ...

Sudden 'ecosystem flips' imperil world's poorest regions, say water experts

... Swedens Baltic Sea coast are prime examples of ecosystem flips, the consequence of nutrients from ... point where its very difficult to reverse. ecosystem flips can have significant and sometimes ... In some of these regions we risk two types of ecosystem flips, one that causes rapid soil degradation ...

Experts prove the geochemical origin of part of the CO2 emissions in semiarid climates

... After three years of observation of this ecosystem (2004-2006), through the use of the most advanced ... balance. The carbon balance of this type of ecosystem has been checked for the first time, revealing ... paid to other ecosystems, such as the thicket ecosystem object of this study, which represents more than ...

19 researchers selected as 2008 Leopold Leadership Fellows

... de Investigaciones en Ecosistemas (Center for ecosystem Research), Universidad Nacional Autnoma de Mxico. Research: role of plant biodiversity in ecosystem services. Edward Brook, associate professor, ... University of California-Santa Cruz. Research: ecosystem recovery from human disturbance. Joan ...

Mechanisms of plant-fungi symbiosis characterized by DOE Joint Genome Institute

... organism-environment interactions that modulate ecosystem responses to global change and increased nutrient ... better understand how these interactions control ecosystem function." Mycorrhizae are critical elements ... fungi interact with living plants within their ecosystem in order to perform vital functions in the carbon ...

Lowly Icelandic midges reveal ecosystem's tipping points

... perturbation can tip the precarious balance of an ecosystem and push it into altered states with unknown ... zoologist Anthony Ives describes an ecosystem population dynamics model built on the flies of ... the fragility of their dynamics makes the lake's ecosystem and the forces at play a valuable model for ...

LSU researchers challenge analyses on sustainability of Gulf fisheries

... globe. While some recent studies claim that the ecosystem is near collapse, researchers from LSU and the ... in recent years claiming that the fisheries ecosystem in the Gulf of Mexico were on the brink of ... these data were collected. The Gulf of Mexicos ecosystem is heavily influenced by the Mississippi River ...
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