Tag: "surveys" at biology news

Far more men than women favor routine paternity testing at birth

...men. To broaden the range of ages and backgrounds, surveys also were completed by 78 adults outside a Washing...paternity. Rohwer said he hopes to conduct further surveys to determine the strength of that desire. "There's a huge cost to finding out because t...

Marijuana use could cause tubal pregnancies

...he fallopian tubes, and smoking. At the same time, surveys indicate that a significant percentage of young women regularly smoke marijuana. According to the 2002 National Survey on Drug Use and Health, 13.6 percent of women aged 18 to 25 said they had used the drug within the past month. The federal survey i...

UAF scientists discover new marine habitat in Alaska

...oard. The scientists had been conducting nearshore surveys of marine life as part of an international study sponsored by the Census of Marine Life NaGISA program and funded by the Gulf Ecosystem Monitoring program. "A sieve is worth about $75, so we wanted to get it back," said Konar. "We descended int...

Folic acid vitamin use by women reaches all-time high, March of Dimes survey finds

...lth of babies. A comparison of the eight previous surveys shows that 12 percent of women know that, to be effective, folic acid must be consumed before pregnancy -- up from only 2 percent in 1995. Those who know that folic acid helps prevent birth defects increased to 24 percent in 2004, up from only 4 per...

Muscling their way into the food chain: Zebra mussels alter fish populations in the Hudson River

...of withdrawing cooling water from the river. These surveys began prior to the zebra mussel introduction, allowing for pre and post invasion assessment. Hudson River food web data has been collected by IES since the 1980s. Through analysis of this data, Strayer and colleagues have discovered that open-water f...

Goals unlikely to protect Gulf of Mexico shrimp industry

...square miles. Measurements from the NOAA-supported surveys by the Louisiana Universities Marine Consortium documented the zone to be 5,800 square miles, or about the size of Connecticut. Hypoxia occurs when increased nitrogen runoff causes algae blooms, which sink into bottom waters and are decompose...

Where the sage-grouse roam

...veland, combined satellite imagery of habitats and surveys of sage sparrows, Brewers sparrows, and other bird species living within 250-meter buffers along roadsides in their paper, "Effect of multiscale habitat change in populations of birds breeding in sagebrush habitats." After exploring the ch...

New technique helps scientists reveal interactions between genes and drugs

...altered patient reactions, or to conduct extensive surveys of the genes for all the proteins known to interact with a given drug. The new approach lets nature and a robotic screening system do the majority of the hunting for them. In their initial test, which will be described in the August 10 Proceedings of...

Satellites are tracing Europe's forest fire scars

...ce in the results they were validated using ground surveys and checked against reports from local fire brigades and Forest Guards' AIB records. The Risk-EOS burn scar mapping service is based around this same methodology. Managed by Astrium, Risk-EOS also incorporates services for flood as well as fire ris...

Rutgers cancer prevention expert calls for FDA action to reduce colon cancer and osteoporosis

...changes. U.S. Department of Agriculture surveys cited in the paper show that Americans consume seriously inadequate dietary calcium and vitamin D far below the recommended levels established by the Food Nutrition Board, Institute of Medicine of the National Academy of Sciences. The Code of Federa...

New 20-year study links COPD and asthma

...ey. Over the next 20 years, 12 periodic follow-up surveys and lung function tests were administered. Study results showed that patients with active asthma were 10 times more likely to acquire symptoms of chronic bronchitis, 17 times more likely to receive a diagnosis of emphysema, and 12.5 times more likel...

Society for conservation biology conference

...nezuelan researchers will present the results from surveys of pre-teens taken before and after two different interventions a short play and a week-long environmental camp, both aimed at showing the impact of local poaching on a critically endangered blue-headed parakeet. The Society for Conservation Biolog...

New computational tools to aid in protein research

... a protein's shape and molecular architecture. NMR surveys a protein's molecular structure and uses tiny, spectroscopic protractors and rulers to generate a network of geometric measurements. "In these papers, we discuss a new framework for thinking about how to solve these problems, and our algorithms are ...

Articles on remote sensing in ecology published in BioScience

...lder of the Canadian Forest Service and colleagues surveys the use of high spatial resolution data obtained b...ho was coordinating editor of the Special Section, surveys the articles. Cohen notes that increasing numbers of biophysical data products are being created thr...

Leading science, higher-education and engineering groups urge six improvements to U.S. visa quagmire

...ipating in research and conferences. In addition, surveys earlier this year by the American Council on Education, AAU, NAFSA: Association of International Educators; Council of Graduate Schools; and the National Association of State Universities and Land-Grant Colleges documented a substantial drop in appli...

Plant disease under the homeland security microscope

... rapid assessments of crop pests. Row crop disease surveys through Extension alsohelp monitor the occurrence of many established and exotic plant diseases in the state, Rush said....

Whales, seals or men? Who stole all the fish?

...fairly closely match to those observed on transect surveys taken by the IWC and other research groups. Kaschner included what is known about marine mammals' food habits to derive a global picture of how much they are eating and where. She then compared this with the global distribution of fisheries harvests ...

Obesity alone not a good predictor of cardiovascular risk and death, fat distribution proved best

... reason, he used data from the NHIS and NHANES III surveys to determine the relationships between obesity, cardiovascular mortality, and individual cardiovascular risk factors such as cholesterol, triglycerides, blood sugar, and blood pressure. He also looked at body shape as defined by circumference of wai...

Study marks increased trends in infectious disease occurrences in our oceans

...stic expectation, even today, given that extensive surveys are difficult both in terms of time and money. So, we developed and tested a method to circumvent this problem." In the absence of baseline data on changes in disease over time, this new study used publication effort by marine scientists as an indire...

East Texas feral hog numbers skyrocketed in last decade

...lly know how many there are. In West Texas, aerial surveys and the like can be conducted to give a fair idea, but in East Texas they have too much escape cover," he said. Higginbotham surveyed landowners from 40 East Texas Counties. The survey questionnaire was originally designed by Higginbotham's colleague...

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