ecosystems 2 6

Tag: "ecosystems" at biology news

Stem Cells to Solve the Blood Shortage Problem?

...ising from their recent assessment of how mangrove ecosystems might have influenced the tsunami's impacts on coastal communities. The research represents a collaborative effort, with participants from the Vrije Universiteit Brussel, Belgium; the University of Ruhuna, Sri Lanka; the Kenya Marine and Fisheries R...

Could better mangrove habitats have spared lives in the 2004 tsunami?

...ising from their recent assessment of how mangrove ecosystems might have influenced the tsunami's impacts on coastal communities. The research represents a collaborative effort, with participants from the Vrije Universiteit Brussel, Belgium; the University of Ruhuna, Sri Lanka; the Kenya Marine and Fisheries R...

UN: World in big ecological mess

...backed report launched today. Humans have changed ecosystems more rapidly and extensively in the last 50 years ...an needed to halve the scourge by 2015. Changes in ecosystems such as deforestation influence the abundance of human pathogens such as malaria and cholera, as wel...

Innovative collaboration brings Arctic science into the classroom

... broad interests in the responses and feedbacks of ecosystems to environmental and global change, will travel fr...in the southwestern United States, stream/riparian ecosystems in France, and estuaries in Massachusetts. Dr. Holmes earned his Ph.D. from Arizona State University...

wFleaBase: the Daphnia genome database

...ely because of its sentinel role within freshwater ecosystems and over 200 years of biological investigations. By consequence, the Daphnia Genomics Consortium (DGC) has launched an interdisciplinary research program to create the resources needed to study genes that affect ecological and evolutionary success in...

Scripps scientists find potential for catastrophic shifts in Pacific ecosystems

...omplex webs of mutually interacting parts, such as ecosystems and world financial markets, which have the potential for unexpected collapse and irreversible change. Scripps Professor George Sugihara and Scripps students Chih-hao Hsieh, Sarah Glaser and Andrew Lucas conducted the study--an extension of an advan...

Finding hidden invaders in a Hawaiian rain forest

...he chemical and structural composition of Hawaiian ecosystems and to find invasive species and track their ecological impacts. This month, Carnegie global ecologists and engineers from the NASA Jet Propulsion Laboratory are flying an upgraded version of the AVIRIS airborne spectrometer on a more nimble Twin Ott...

Taking the piste out of Alpine vegetation

...y high conservation value," they say. Some alpine ecosystems are extraordinarily rich in species, but they are also sensitive and susceptible to changes in land use and climate. ...

Oceans more vulnerable to agricultural runoff than previously thought, study finds

...osions of marine algae capable of disrupting ocean ecosystems and even producing "dead zones" in the sea. Now a new study by Stanford University scientists presents the first direct evidence linking large-scale coastal farming to massive algal blooms in the sea. Writing in the March 10 issue of the journal Nat...

Small species back-up giant marsupial climate change extinction claim

...ssential to know if the risks faced by species and ecosystems today are the same as those in the past. "If we can document past environmental change and its influence on the extinction of species, it might have predictive value in estimating the effects of possible future climate changes and its impacts on mod...

Biodiversity hotspots identify conservation priorities

...cologist Norman Myers, who recognized that hotspot ecosystems (most often in tropical forest areas) cover a small total land area yet account for a very high percentage of global biodiversity. The concept was subsequently refined by Myers and CI, most recently in 2000. "This new analysis has benefited greatly ...

South America's vast pantanal wetland may become next everglades, UNU experts warn

...ays. "Because of the transboundary nature of many ecosystems and environmental problems, they are often addressed at the regional level; the Pantanal is a case in point. Regional institutions can take global environmental issues and refocus them into priorities and a manageable agenda for national governments?...

Introduced foxes transformed vegetation on Aleutian Islands from lush grasslands to tundra

...k lusher. But it is likely to take decades for the ecosystems to fully recover from the effects of the foxes, sa...e ocean-derived nutrients were cycling through the ecosystems of fox-free islands than on fox-infested islands came from analyses of nitrogen isotopes in soil, pl...

Scientists collaborate to assess health of global environment

...unting task of evaluating the status of all of the ecosystems on Earth, and the outlook is troubling. Commissio...ersight panel. "It relates goods and services that ecosystems provide to human well-being. And surprisingly enough, that's never been done before." Mooney will p...

Researchers reveal the infectious impact of salmon farms on wild salmon

...as herring which are the spark plugs of the entire ecosystems ?everything depends on them ?from salmon to whales to seabirds. Every commercially important fish is either directly or indirectly dependent on herring." "Previous studies have been dismissed by industry, but past studies haven't looked at such larg...

UCSB scientists probe sea floor venting to gain understanding of early life on Earth

...er of this work. The NSF explains that subseafloor ecosystems may represent both the cradle of life on Earth and a model for the exploration and discovery of life on other planets. "We are highly conscious of the importance of microbes in the grand scheme of things," said Haymon. "Indeed, they are the greatest...

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