Tag: "ecosystems" at medical news
Eastern Equine Encephalitis Spreading Its Tentacles in Massachusetts
...- saying the chemical could wreak havoc on aquatic ecosystems
and taint organic farms -- state officials have argued that it's worth it to protect residents from the EEE virus, which has killed six people in Massachusetts over the past three years. "I'm still not one-tenth of the person I used to be," said Co...
Size and Position of Floral Anther Plays a Vital Role in Pollination
...umed by humans but also to plants that support the ecosystems
we depend on. Flower architecture has great evolutionary and economic importance. Minute differences in the size and placement of the male and female reproductive parts of a flower can determine how those flowers are pollinated--by insects, birds, a...
Antarctic Icebergs Serve as 'hotspots' for Ocean Life
...ar ecology," said Roberta Marinelli, organisms and ecosystems
program director for the US Antarctic Program. "And as we progress through the International Polar Year, NSF hopes to expand this work to learn yet more about these unique ecological niches and their significance to oceanic processes," she said. T...
Northern Forests Less Effective Than Tropical Forests in Reducing Global Warming
.... The scientists also found that intact tropical ecosystems
are a more important carbon sink than previously t.... The models had generally indicated that tropical ecosystems
were a net source of 1.8 billion tons of carbon, largely because trees and other plants release carb...
Revealing the Secrets of Gut Ecosystem
...e new study tracked the evolution of the microbial ecosystems
in 14 healthy, full-term human infants that were b...composition and dynamics of the evolving microbial ecosystems
were strikingly similar in the twins. This, Palmer said, provided evidence that genetic and enviro...
Deep-sea Mining can Damage Marine Ecosystem
...tific and legal methods to protect these sensitive ecosystems
and minimize the potential environmental impact of...disrupting the food chain and potentially damaging ecosystems
that lie within other countries economic zones or in international waters. This poses additional pro...
Methylmercury in Marine Fish Pose Health Risks to Pregnant Women and Elderly Men
...e is known about the behavior of mercury in marine ecosystems
and methylmercury in marine fish, the ingestion of...nomic analyses don't consider mercury's impacts on ecosystems
and wildlife. The concentration of methylmercury in fish in freshwater and coastal ecosystems
Impact of Climate Change in Africa
...fects of extreme events, and the way societies and ecosystems
respond to them' Lindsey Gillson explains. Her work involved analysing sediments from the famous Tsavo National Park. Age of the sediments was obtained using radiocarbon dating and analysis of the pollen and charcoal fragments enabled a picture of en...
Evolution of Plant Life Cycle
...s prosper, forming the basis for modern land-based ecosystems
and fundamentally altering the course of evolution of life on earth, said Qiu. The first step was the colonization of land by descendents of aquatic plants known as charophyte algae. That event opened up a vast new world where the sun's intensity was...
‘Natural Spring’ Starts A Week Ahead Now Than Before: UNH Scientit
...ue to global warming and that’s threatening to put ecosystems
badly out of synch,” Markham said. Evidence of Early Spring follows a comprehensive report issued collaboratively in March 2005 by CA-CP and Wake entitled Indicators of the Climate Change in the Northeast, which looked at 11 different physical and...
Global Seagrass Decline Affects Shallow-water Ecosystems
...d sediment stabilizers affecting the shallow-water ecosystems
// , according to Frederick Short, researcher of natural resources and marine science, University of New Hampshire. The disappearance of underwater meadows has deeply affected even the commercially valuable valuable shellfish and fish, waterfowl an...
Absorption Of Carbon Nanotube Measured In Worms Revolutionize Cancer Research
... the food webs and possibly threaten the health of ecosystems
and lead to uptake by humans. This has opened a virtually limitless potential for facilitating important future investigations of the behaviors of carbon nanotubes in environmental and biomedical applications he said....
Farming Plays A Crucial Role In Reducing Global Warming
...ion, soil erosion, pesticide residues, etc. In the ecosystems
services concept, we're focusing on services that people appreciate and enjoy. Since the amount of land involved in agriculture is so large, we have a strong motivation to provide farmers incentives to support the ecosystem," Swinton said. "We want t...
Health Problems Due To Ecosystem's Degradation
...r populations who directly depend upon the natural ecosystems
for meeting their basic needs. The Health Synthesi...t face the greatest danger from the changes in the ecosystems
are some parts of South and Southeast Asia, parts of Latin America, Central Asia, and sub-Saharan Af...
Benzene Slick In China Highlights Water Pollution
...acked access to safe drinking water. "Freshwater ecosystems
are by far in worse condition than forest, grassland, and coastal ecosystems," WWF said. "Currently, most of China's rivers are menaced with shrinkage, dysfunction, contamination and other problems," Chen Bangzhu, director of a government-run popul...