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Disturbance in Biological News

Rain forest protection works in Peru

... the research also showed an increase in forest disturbance over the last couple of years of the study, ... by roads. We found that only 1 to 2 % of this disturbance in Peru happened in natural protected areas, ... Oliveira. However, there was substantial forest disturbance adjacent to areas set aside for legal logging ...

Scientists point to forests for carbon storage solutions

... capacity is also affected by the repeated clear-cut harvesting and fire disturbance that occurred a century ago as well as climate variations that the ... histories store significantly less carbon than stands without that kind of disturbance because of a resulting lower forest canopy and reduced soil fertility. ...

Restless legs syndrome affects nearly 2 percent of US/UK children

... of those experience moderate to severe symptoms, including sleep disturbance and negative moods. The report appears in the August issue of the journal ... final answer, he said. While some children with RLS had significant sleep disturbance and daytime symptoms, others did not. Which children would benefit from ...

Noise pollution negatively affects woodland bird communities, says CU-Boulder study

... in the noisy sites -- including gray flycatchers, gray vireos, black-throated gray warblers and spotted towhees -- tended to avoid areas of noise disturbance when selecting nesting sites. "Understanding how birds respond to noise, especially birds with critical links to ecosystems, are crucial in ...

US-Mexico border wall could threaten wildlife species

... its flights below the height of the security wall, which is approximately four meters high, and that juvenile owls had lower colonization in areas of disturbance or areas with less vegetation. "Some of the potential damage to pygmy owls could be mitigated with a few tweaks to the system," Epps added. ...

Yale study: Most polluted ecosystems recoverable

... Yale researchers found that forest ecosystems recovered in 42 years on average, while ocean bottoms recovered in less than 10 years. When examined by disturbance type, ecosystems undergoing multiple, interacting disturbances recovered in 56 years, and those affected by either invasive species, mining, oil ...

Princeton geoscientist offers new evidence that meteorite did not wipe out dinosaurs

... record because an earthquake or tsunami caused slumps and mixing of sediments surrounding the Gulf of Mexico. To date no evidence of major disturbance has been found in the sediments. Keller says her team's newest research, however, confirms what she has found in earlier studies -- that the ...

Laughing hyenas, wailing levees, the sound of cheese and blaring bagpipes

... through the walls of the pipe. When the signal bounces back and retraces its steps to the first detector, any structural imperfections show up as a disturbance in the combination of forwards and backwards waves. "If there is a crack or corrosion, the waves will not retrace their steps," says O'Donoughue. ...

Cleaning the atmosphere of carbon: African forests out of balance

... clearing or fire or other disturbance. Given increasing evidence that tropical forests have a long history of human occupation, recovery from past disturbance is almost certainly part of the reason these forests are taking up carbon today." Muller-Landau, who directs a project to monitor carbon budgets ...

Natural brain substance blocks weight gain in mice, UT Southwestern researchers discover

... the brain when it is given orally or as an intravenous or subcutaneous injection. "Fortunately, however, high-orexin mice show no sleep/wake disturbance or other serious side effects," Dr. Yanagisawa said. "This study suggests that if we can develop a compound that mimics the action of orexin on ...

Trees won't stop tsunamis, scientists warn

... the rest of the world. Their research report Roles of coastal bio-shields and their putative role in protecting coasts from large weather related disturbance events is soon to be published by the United Nations Environment Program. ...

156th Acoustical Society of America Meeting, Nov. 10-14, 2008 in Miami

... impacts on the California coastal gnatcatcher in southern California, aircraft noise impacts on sage grouse in central California, and helicopter disturbance on caribou in ... http://asa.aip.org/web2/asa/abstracts/search.nov08/asa87.html . PITCH PERCEPTION, HARMONY, AND THE BRAIN "For ...

Argonne scientists peer into heart of compound that may detect chemical, biological weapons

... structure. The incident light interacts with the electron cloud and in the process is disturbed," Argonne scientist Mercouri Kanatzidis said. "The disturbance changes the wavelength of the emitted light and creates two beams: the original and the second harmonic a beam with half the wavelength and double ...

Book breaks new ground in the study of economics and forest threats management

... are random variables that are amenable to new statistical analysis; (3) consistent accounts of timber and non-timber economic impacts (such as disturbance effects on recreation or residential property values) are pre-requisite to planning and decision-making; and (4) economic models can be used to ...

Old growth forests are valuable carbon sinks

... begin to absorb and sequester more carbon than they give off. The creation of new forests, whether naturally or by humans, is often associated with disturbance to soil and the previous vegetation, resulting in decomposition that exceeds for some period the net primary productivity of re-growth. Old growth ...

Photos reveal Myanmar's large and small predators

... that otter populations have been decimated, mostly through a combination of hunting for their pelts and for medicines, and through loss and disturbance of their aquatic habitats. Otters require immediate conservation management. As for the other species, continued monitoring is needed to better ...

Experts meet on need for new rules to govern world's fragile polar regions

... of the year creates obstructions or exceptional hazards to navigation and pollution of the marine environment could cause major harm or irreversible disturbance of the ecological balance." Given changing environmental circumstances, however, he anticipates potential new questions arising, such as: At ...

Southern Sierra Science Symposium planned for Visalia

... Davis. He received his PhD at the University of Washington in 1993 studying under Dr. Jerry Franklin. His research interests are the effects of disturbance on forest ecosystem structure, composition and function. BUILDING FOREST RESILIENCY IN THE ERA OF GLOBAL CHANGE: AN APPROACH TO MANAGING GIANT ...

Surviving the revolution, easier than withstanding human use and abuse

... species went extinct, while non-native species thrived. Continual cutting of the under layers of the forest caused those plants to die off. Human disturbance killed established plants and soil compaction caused rainwater runoff, eroding the soils. Since the late 1980s, Parks Department workers planted ...

Saving our bees

... where the foraging patches can be thought of as large fields of crops," says Chalk. His model, he says, could help scientists understand how land disturbance caused by humans affects bee species richness and density. Williams used an experimental approach to understand the landscape-scale ecology of ...

BioScience tip sheet July/August 2008

... for the Future. Christopher M. Gough, Christoph S. Vogel, Hans Peter Schmid, and Peter S. Curtis. Repeated clear-cut harvesting and fire disturbance resulted in a lasting decrease in annual carbon storage in a Michigan forest study site; climate variation also exerted a strong effect. The findings ...

Fungi the cause of many outbreaks of disease but mostly ignored

... areas flooded by Hurricane Katrina. Natural disasters like Hurricane Katrina provide natural laboratories for understanding how fungi respond to disturbance and the subsequent impacts they have on human health. Create a Fungal Genomes Database Researchers involved with fungi must focus efforts on ...

New report available on ecosystems and climate change

... each protected area to understand what 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 ecosystem. Using these strategies, managers can maintain the original goals set for ...

Domoic acid from toxic algal blooms may cause seizures in California sea lions

... as a fetus. The findings follow an analysis earlier this year led by Frances Gulland of the California Marine Mammal Center that showed this brain disturbance to be a newly recognized chronic disease. John Ramsdell of NOAA's Center for Environmental Health and Biomolecular Research in Charleston, SC, in ...

Ecological Society of America announces its 93rd Annual Meeting

... K-12 School Grounds Exploring the Places We Live: Citizen Scientists Parasitism and Host-Parasite Interactions Linkages Between Ecosystem disturbance and Exotic Species Invasions in Forested Ecosystems Abundance, Rarity, and Extinction Ecological Genetics Tropical Deforestation and ...

Eribulin mesylate demonstrated anti-tumor activity in patients with advanced breast cancer

... 5.5%, leukopenia (low white blood cell count, 14%), and weakness/fatigue (10%; no Grade 4 events). Grade 3 peripheral neuropathy (a functional disturbance or damage to nerves outside the brain and spinal cord) was reported in 5.5% of patients. No Grade 4 peripheral neuropathy events were reported. No ...

Dwarf cloud rat rediscovered after 112 years

... humans, live in the forest, and cause very little if any economic damage. Some, like the dwarf cloud rat, probably are not able to withstand much disturbance of their natural habitat. Cloud rats are one of the most spectacular cases of adaptive radiation by mammals anywhere in the world, with at least 15 ...

Motor neuron disease and toxic substances: Possible link?

... exact manner in which toxic organophosphate exposure leads to progressive and permanent nerve damage, they have learned that this process involves disturbance of an enzyme, NTE, contained within nerves. Fink examined members of two families who had progressive weakness and spasticity (tightness) in their ...

UM coral scientist Peter Glynn wins award for scholarly activity

... undergraduate students, stated Dr. Otis Brown, Dean of the Rosenstiel School. Since the early 1980s Glynn's research has focused on coral reef disturbance ecology in the equatorial eastern Pacific (Panama, Galapagos Islands, and Easter Island). He documented the causative relationship between El ...

Beavers can help ease drought

... agricultural demands should be avoided, according to a new University of Alberta study. Removal of beaver should be considered an environmental disturbance on par with in-filling, peat mining and industrial water extraction, said researcher Glynnis Hood, lead author on the study and an assistant ...

Bottom trawling impacts, clearly visible from space

... plumes at the surface, say scientists speaking a symposium session called Dragnet: Bottom Trawling, the World's Most Severe and Extensive Seafloor disturbance at the American Association for the Advancement of Science 2008 Annual Meeting here 3:30-5:00 PM on Friday, February 15 in Sheraton Boston, Back Bay ...

First map of threats to marine ecosystems shows all the world's oceans are affected

... depend on marine ecosystems for their livelihood, whether its from fishing or tourism, and millions more are affected by erosion, pollution and other disturbance events, Selig said. This information will help us make better management decisions. Other ecosystems in the study include sea grass, rocky reefs, ...

Scientists obtain core samples from subsea fault system off Japan

... the accretionary prism and its fault zones is an important factor in understanding how earthquakes are generated and why some earthquakes cause disturbance at the seafloor that leads to tsunamis, Screaton explains. Expedition scientists examined the sediments ranging from the youngest on the slope ...

Elephant engineers

... indicates that may indeed be the case in African savannas. Pringle notes that elephants really shake up the savanna landscape. The level of disturbance from a feeding herd is almost akin to that of a tornado touching down; trees and shrubs are splintered, cracked, and fissured and large branches are ...

MIT: Why men are more prone to liver cancer

... for the active signaling needed to maintain a masculine gene profile. Because the female liver follows the default developmental pathway, a greater disturbance is required to initiate the cancer process, said Rogers. The researchers had expected that castrating male mice at one year of age when they had ...

New clinical data shows chromium picolinate improves cognitive function

... level (15.7 versus 15 years), stage and extent of memory impairment (Clinical Dementia Rating sum boxes score, 1.0 versus 0.85) or level of mood disturbance (Profile of Mood States total score, 18.4 versus 16.9). About Core4Life Advanced Memory Formula Core4Life Advanced Memory Formula, available in ...

Global climate change: The impact of El Nio on Galpagos marine iguanas

... rates of up to 90%, only one population from a single island showed strong evidence of a genetic bottleneck, suggesting that the El Nio-induced disturbance affected populations very differently even within the same species. Our study points out that there was a low population size on the island of ...

USC researchers explore genetic causes for male infertility

... alterations that occur during epigenetic reprogramming, which is a normal physiologic process that occurs during embryonic development. disturbance of epigenetic programming can result in abnormal gene activity or function, even if there is no change in DNA sequence, continues Sokol. The ...

Global climate change: The impact of El Niño on Galápagos marine iguanas

... rates of up to 90%, only one population from a single island showed strong evidence of a genetic bottleneck, suggesting that the El Nio-induced disturbance affected populations very differently even within the same species. Our study points out that there was a low population size on the island of ...

Complex carbon picture clearer

... links between above-and belowground processes and we need to understand these links in order to assess the impact of global change and human disturbance on natural ecosystems said Sayer. The study has implications for policy makers considering new approaches to capping carbon emissions such as ...
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(Date:9/18/2014)... the fish world, are the ideal animal in which ... moved from the ocean into tens of thousands of ... changing their skeleton to adapt to the new environment. ... sticklebacks now have turned up one of the genes ... change in that gene,s regulation in a freshwater population ...
(Date:9/18/2014)... has found clownfish larvae can swim up to 400 kilometres ... to cope with environmental change. , Clownfish spend their entire ... as babies they must wander the open ocean, says study ... for Coral Reef Studies (Coral CoE) at James Cook University. ... but now we,ve been given a rare glimpse into how ...
(Date:9/17/2014)... From accessible and affordable health care to reproductive ... depend on the ability of people to identify ... openly and respectfully, and find the most defensible ... practices to support these societal conversations?, The Hastings ... of Bioethical Issues have teamed up to publish ...
Breaking Biology News(10 mins):Counting fish teeth reveals regulatory DNA changes behind rapid evolution, adaptation 2Counting fish teeth reveals regulatory DNA changes behind rapid evolution, adaptation 3Nemo's epic journey to find a new home 2Why bioethics literacy matters 2Why bioethics literacy matters 3
(Date:9/19/2014)... human cancers have abnormally upregulated chemical signals related ... controlled during tumor formation is not fully understood. ... PhD, both researchers in the department of Pathology ... Medicine, University of Pennsylvania, and colleagues report that ... by targeting these pathways. , Lipid second messengers ...
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(Date:9/19/2014)... Dartmouth researcher, working with The Melanoma Genetics Consortium, GenoMEL, ... in the Journal of the National Cancer Institute ... melanoma. , "For the first time, we have established ... play a part in the risk of developing melanoma," ... School of Medicine at the University of Leeds (UK). ...
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Breaking Medicine News(10 mins):Health News:New cancer drug target involving lipid chemical messengers 2Health News:Hastings And Hastings Announces a Record Number of Visitors to Its New Phoenix Personal Injury Website 2Health News:Melanoma risk found to have genetic determinant 2Health News:NJ Largest Home Healthcare Not-for-Profit Joins Deutsche Bank to Ring NYSE Opening Bell 2Health News:NJ Largest Home Healthcare Not-for-Profit Joins Deutsche Bank to Ring NYSE Opening Bell 3Health News:Xarelto Makers Seek Dismissal of Cases Brought in Philadelphia, Notes Rottenstein Law Group LLP 2Health News:Xarelto Makers Seek Dismissal of Cases Brought in Philadelphia, Notes Rottenstein Law Group LLP 3
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