Sentences with phrase «many environmental variables»

Scientists in B.C. and the U.S. have several questions they are pursuing - the pyrosome's feeding behavior, the environmental variables the affect their numbers and the impact on the marine food web.
We need to think about and incorporate this set of current environmental variables into planning our ascent / descent well before our current summit attempt is over.
In order to do that, you would need to control for environmental variables and administer pre-determined doses of a hormone / peptide of interest.
You could not directly measure sleep (via EEG / EMG signals), or manipulate any of these environmental variables to actually determine causation in any relationships you may find.
It's extremely difficult to design a field study that addresses these questions about the role of various environmental variables, given all of the uncontrolled factors in an urban environment.
Then the researchers examined the acoustic data, measured in decibels of energy, alongside the measured environmental variables.
The researchers found that the body condition of alligators found near wading bird nesting colonies was higher than those in similar habitat without active colonies, independent of a range of environmental variables.
CIRES and NOAA researchers and their colleagues analyzed long - term observations of snow cover and meteorology at the NOAA Barrow Atmospheric Baseline Observatory outside of Utqiagvik (formerly Barrow), Alaska, along with other records of environmental variables in the region.
«We started measuring the skulls for a class project to see if we could relate cranial morphology to climate and environmental variables,» Lewis says.
«By comparing the results of the models, it was possible to determine which environmental variables are the most effective in predicting zebra movement, and then use this knowledge to try and infer as to how the zebra make their decisions,» said Gil Bohrer, assistant professor in the Department of Civil, Environmental, and Geodetic Engineering at The Ohio State University, who collaborated on the project.
«Once you dramatically change the climate and change water patterns, as is now seen in the Three Gorges region,» he says, «you change a lot of environmental variables.
There may be a genetic component to it — in which some people naturally have environments that harbor some species of bacteria over others — as well as environmental variables (diet, sexual behavior, contraception methods, hygiene, etc.).
Together, the organizations decided to build an adaptable, immersive lab that gave them precise control over many environmental variables and mirrored the real world as closely as possible.
To assess how facial colors are related to physical environments, the researchers analyzed environmental variables such as geographic location, canopy density, rainfall and temperature.
By combining the CAO laser information with satellite maps of forest cover, deforestation, and other environmental variables generated by the Peruvian Environment Ministry's Directorate of Land Management, a cost - effective means to monitor the country into the future has been established.
Changes in feeding behavior did not occur when the environmental variables were imposed during adulthood.
We want to see which environmental variables influence the RNA editing process — things like variation in temperature... maybe something more complex like experiences.»
Their results indicate that exchange rates are variable within and among different sized ponds and were not well predicted from environmental variables such as wind, rainfall, and temperature.
Jagai and her colleagues used the U.S. EPA's Environmental Quality Index, a county - level measure incorporating more than 200 of these environmental variables and obtained cancer incidence rates from the National Cancer Institute's Surveillance, Epidemiology, and End Results Program State Cancer Profiles.
The study's key message is that «an infant's hearing loss affects not only the infant but also the caregiver's language behavior, which is an important environmental variable that contributes to infant linguistic and cognitive development,» she added.
Finally, a broader analysis of the environmental variables in the aggregation sites can inform the long - term impacts of climate change in the movement of the whale sharks.
To solve this problem, Pielke suggested measuring environmental variables from a regional scale up to a global scale as a more inclusive way to assess environmental risks than the top - down approach used by the Intergovernmental Panel on Climate Change.
By correlating the relevant environmental variables through analysis of data from sources such as space, weather stations, etc., the researchers were able to scientifically validate a potential cause for chick weight variation over time.
Brad Fedy, a professor in the Faculty of Environment at the University of Waterloo, and Jason Tack, a PhD student at Colorado State University, took nesting data from a variety of areas across Wyoming, and created models using a suite of environmental variables and referenced them against areas with potential for wind development.
But what they have in common is not only the same genes, but they both had team play, professional coaching and all these powerful environmental variables that have been harnessed to genes.
«Satellites don't see mosquitoes per se,» says Assaf Anyamba of NASA Goddard Space Flight Center, «However they provide us observation platforms from which to monitor the environmental variables that indicate where mosquito populations can flourish.
Seven environmental variables, which were previously identified as potential predictors for podoconiosis in Ethiopia (Deribe et al., 2015b), were used to model podoconiosis prevalence.
-- Alba Solsona Berga, Scripps Institute of Oceanography, USA, Correlating temporal patterns of sperm whales with environmental variables at the ANTARES underwater observatory in the Mediterranean Sea
The unique mathematical technique described in the study integrates field observations and cloud - resolving models to identify environmental variables important for tropical storm - cloud creation.
Not only they have life history traits, behavior and physiology strongly influenced by environmental variables but they also lay their eggs in coastal areas prone to sea level rise and cyclonic activity.
The strongest genetic association with celiac disease — Human Leukocyte Antigen — is only responsible for 40 % of the risk, leaving us to suspect that there is likely an interplay of genetic and environmental variables that is more complex than just the activation of one in - born vulnerability.
At the same time every athlete is an individual and so are their environmental variables so bear in mind that you need to be open to playing with and experimenting with the re-introduction of higher carbohydrates into your diet to find what works best for you.
Factors such as time of season, soil quality and other environmental variables all contribute to the nutrient content of foods.
Temporary factors include many environmental variables but the two fundamental factors are the length of the muscle and its contraction velocity when the force is measured.
I hope you will also begin to look at seeing some environmental variables / tools which can help more students and older students have more hope for changing and improving their lives.
To examine factors that elicited long - distance extraterritorial journeys, we created 480 discrete - choice models estimating the likelihood of a cat staying within its home range or traveling up to 12.5 km distant from its home range (the maximum distance of any destination from a home range) for any month, in relation to fire and environmental variables.
The Principle of Site Selection This principle states that sites useful to dendrochronology can be identified and selected based on criteria that will produce tree - ring series sensitive to the environmental variable being examined.
Working with a total of 2,196 globally - distributed databases containing observations of NPP, as well as the five environmental variables thought to most impact NPP trends (precipitation, air temperature, leaf area index, fraction of photosynthetically active radiation, and atmospheric CO2 concentration), Li et al. analyzed the spatiotemporal patterns of global NPP over the past half century (1961 — 2010).
One key finding is evidence that IPCC climate models used to estimate warming fail to include several important environmental variables and therefore routinely over-estimate results.
Oceanic environmental variables derived from satellites are increasingly being used to predict ecosystem states and climate impacts.
We thus treated shell identity as a random effect in mixed effect models when analyzing time trends and relationships with environmental variables.
Environmental variables estimated over larger spatial and temporal scales included the upwelling index (UI) for 48 ° N, 125 ° W (http://www.pfeg.noaa.gov), an indicator of upwelling strength based on wind stress measurements, as well as the Pacific Decadal Oscillation (PDO, http://jisao.washington.edu/pdo/PDO.latest), a composite indicator of ocean temperature anomalies [33], seawater temperature from Buoy 46041 ∼ 50 km to the southwest from Tatoosh (www.ndbc.noaa.gov), and remote sensing of chl a (SeaWiFS, AquaModis).
All other environmental variables tested, including the UI (from April to September only), the PDO, silicate, nitrate and the seawater temperature at Tatoosh, were not associated with shell δ13C (Table 2).
Stomatal density and stomatal index of many species respond to atmospheric CO2 (Woodward, 1987; Woodward and Bazzaz, 1988) but are influenced by other environmental variables as well (Poole et al., 1996).
In the recent within - species work you mentioned, does anyone relate the findings to environmental variables?
Site environmental variables in 2007 — 13: daily precipitation (annual amounts noted); daily mean soil water content at 30 cm below surface (SWC); daily maximum vapor pressure deficit (VPD); daily mean air temperature over the forest canopy (Ta).
The following items will be most sensitive to environmental variables and are listed in descending order of sensitivity (Medium Confidence):
The reasons include methodological error and unaccounted environmental variables.
PNNL scientists developed a unique mathematical technique that integrates field observations and cloud - resolving models to identify environmental variables important for tropical storm - cloud creation.
for instance: http://www.geol.lu.se/personal/seb/Geology.pdf.pdf «The first late - glacial lake sediments found in Greenland were analyzed with respect to a variety of environmental variables.
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