Tag: "plot" at biology news

World's largest rainforest drying experiment completes first phase

...ainfall was excluded from a one-hectare (2.2 acre) plot in the middle of the Tapajós National Forest, in B... of forest behavior, researchers compared this dry plot of forest with a similar plot, from which rainfall was not excluded. These two forest plots were com...

Second messenger NAADP shows fast, dose-related impact on satiety cycle

... NAADP is a crucial messenger" "Intriguingly, the plot of NAADP level versus cholecystokinin concentration was best fit with a two-site model, suggesting that both the high- and low-affinity sites were linked to NAADP production," Yamasaki said. In contrast to the hormone cholecystokinin, the neurotransm...

Techniques available to detect soil that inhibits destructive soybean pest

...ressive soil into the top layer of a soybean field plot effectively decreased nematode activity. In addition, they know that viability of plants and soil richness, moisture and temperature can affect how active and numerous soybean cyst nematodes are in particular fields. "A key find was that a small amo...

Restaurant seafood prices since 1850s help plot marine harvests through history

....S. restaurant menus dating to the 1850s will help plot the shifting harvest of marine species, according to a study to be announced at Oceans Past a Census of Marine Life conference in Denmark on the History of Marine Animal Populations. Led by paleo-oceanographer Glenn Jones at Texas A&M University...

Scientists must offer solutions for conserving tropical forests in a rapidly changing world

...f diameter or more at 1.3 m height in a 50-hectare plot every five years since 1985. Wright notes that the aboveground biomass on BCI was almost constant since the first census. But lianas increased substantially (from 9% to 13% of all leaf biomass) between 1986 and 2002. In another protected area, the K...

Underlying cause of massive pinyon pine die-off revealed

...ues measured soil moisture on the 100-by-150 meter plot (about three times the size of a football field). ...m began tracking tree mortality. "I could see the plot from my office window," said Breshears, who used to work at LANL. When the recent drought hit, the s...

Free-energy theory borne out in large-scale protein folding

...erest is in creating a folding roadmap of sorts, a plot of the thermodynamic route that the protein follows as it moves toward equilibrium," said co-author Cecilia Clementi, the Norman Hackerman-Welch Young Investigator Assistant Professor of Chemistry. The Rice research team included Clementi, Clementi'...

DNA technique measures suitability of soil for onion crops

...cide whether or not he wants to grow onions on the plot of land tested. ...

Diverse tropical forests defy metabolic ecology models

... participants examined data from across the forest plot system and discussed possible multi-site comparisons. "A couple of the key papers on metabolic ecology had just come out and were generating a lot of excitement '" as well as considerable skepticism. And we thought, hey, we have an unprecedented oppo...

Life, the remake

... again from the beginning, it would have a similar plot and outcomes, although with a different cast and timing, argues UC Davis paleontologist Geerat Vermeij in a new paper in the Proceedings of the National Academy of Sciences. "Evolution at this level, like the rest of history, is predictable, perhaps...

Invasive species alter habitat to their benefit

...dead stems that accumulate around hybrids. A third plot received both live hybrids and litter, and the fourth was left alone. Litter accumulation was the deciding factor, she found. "Plots with the litter treatment had higher levels of nitrogen in the soil and higher turnover rates of nitrogen, along w...

Acid rain causing decline in sugar maples, say researchers

...nclusions after adding nutrients to soil in a test plot and reproducing the favorable soil conditions that...ustrial pollution. The result: Sugar maples on the plot rebounded dramatically. The study provides "the most conclusive evidence to date" that the decline ...

Gene therapy prevents the onset of diabetic symptoms in mice

...nclusions after adding nutrients to soil in a test plot and reproducing the favorable soil conditions that...ustrial pollution. The result: Sugar maples on the plot rebounded dramatically. The study provides "the most conclusive evidence to date" that the decline ...

End of deforestation in view? Experts advance new way to size up global forest resources

...Food and Agriculture Organization, the researchers plot on a graph the shift from 1990 to 2005 in the forest density and area of 50 countries to reveal the change in their respective growing stock. Charting forest changes, 1990 to 2005, in the world's 50 most forested nations. (Please see: http://ph...

Large size crucial for Amazon forest reserves

...gment, but would they be found in an equally small plot surrounded by untouched forest? The answer to this... that birds are hard to detect. When one samples a plot of forest it is easy to miss species that actually exist there. To distinguish real absences from de...

Study of protein folds offers insight into metabolic evolution

...logenetic analysis developed in the past decade to plot the evolution of genes and organisms but which have never before been used to work out the evolutionary history of protein architecture across biological networks. "We are interested in how structure evolves, not how organisms evolve," said profes...

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