Sentences with phrase «forest ecologist»

«For a forest, change is natural, not stability,» says forest ecologist Bogdan Jaroszewicz, who directs the University of Warsaw's Geobotanical Station here.

Dr. Daniel Nepstad, a leading tropical forest ecologist who now heads up conservation at the Gordon and Betty Moore Foundation, says that while these fears are valid, REDD may offer a better alternative than the status quo — which has long led to the displacement of native peoples from their lands at the hands of developers.

«A biome shift is now occurring,» University of Alaska, Fairbanks, forest ecologist Glenn Juday said.

Forest ecologists watch as Alaskan forests struggle with environmental changes brought on by global warming

Ghazoul, the ETH Zurich forest ecologist, says what is even more exceptional than Białowiez˙a's biodiversity is that much of the forest remains wild.

The measurements used by Luyssaert rely on the flux of CO2 levels over the forest, but this kind of metric can be skewed by young stands of trees within an old - growth forest or an increase in growth as a result of higher atmospheric carbon dioxide levels, according to forest ecologist Mark Harmon of Oregon State University in Corvallis, who was not involved in the study.

Forest ecologist Adrien Finzi of Boston University, who conducts a similar experiment in a pine forest in North Carolina, calls the results «really interesting,» but cautions that they may not hold true in other forests.

Until recently, the consensus among forest ecologists was that before European settlers arrived in the Sierra, the forests were mostly open conifer forests dominated by big trees and low - to - moderately severe fires every eight to 12 years.

«This is a real wake - up call,» says tropical forest ecologist Dan Nepstad of Woods Hole Research Center in Massachusetts.

«To say the effects were severe is putting it lightly,» says forest ecologist Gregory Asner of the Carnegie Institution for Science in Palo Alto, California, who led the research.

First the veteran forest ecologist shows off the beautiful surroundings: the diversity of plant life on the forest floor; the densely packed trees merging into a canopy high overhead; the birds whose calls fill the lush habitat with sound.

«I'm not at all surprised that an experiment like this would produce the unexpected,» says forest ecologist Rich Norby of Oak Ridge National Laboratory in Tennessee.

«CTFS does very important work facilitating collaboration between forest ecologists worldwide and therefore enabling us to gain a better insight into the growth of trees and forests,» Thomas said.

Forest ecologist Thomas Swetnam of the University of Arizona and a team of international colleagues collected tree - ring and fire - scar data from 241 logging sites across western North America.

Decades later, tropical forest ecologists began reporting that some tree species are sensitive to more intense seasonal drought.

Indeed, hemlocks provide «arguably the most important natural archive of annually resolved paleoenvironmental data across eastern North America,» write Hessl and forest ecologist Neil Pederson of the Lamont - Doherty Earth Observatory at Columbia University.

Forest ecologist Juan Armesto of the Universidad Católica de Chile, who collaborates with Weathers, says that the country's modern coastal rain forest represents small fragments of what must have once been a contiguous forest, connected to the Amazon Basin, that changed gradually over the past 5 million to 25 million years due to the colossal upheaval that created the Andes Mountains.

«Previous studies at a few sites had shown that large trees suffer more than small trees during and after droughts, and our theory suggested this should be a globally consistent pattern, but this project was the first to test this hypothesis globally,» said Los Alamos National Laboratory's Nate McDowell, a renowned forest ecologist and plant physiologist who coauthored a paper in the journal Nature Plants highlighting this research.

It also quotes forest ecologist Dr Deborah Clark from the University of Missouri as saying «the research shows that «the lock has broken» on the Amazon ecosystem» and that «the Amazon is «headed in a terrible direction»».

It was a University of Michigan forest ecologist named Burton Barnes who first suggested that the Fish Lake clone might be a single, unified organism.

In mid-July, U.S. Geological Survey forest ecologist Nate Stephenson drove me to a long - term forest - monitoring plot in Sequoia National Park, a few hours north of Los Angeles.

At the same time, though, this week saw rare agreement among libertarian and some environmental groups and forest ecologists on at least one point: that the destruction in the fire zones was the clear result of much more straightforward and real - time human actions — both the way we treat forests and where and how we build communities (not to mention arson, of course).

Now Wohlleben has teamed up with forest ecologist Suzanne Simard from the University of British Columbia, Canada in a new documentary called «Intelligent Trees.»

Federal forest ecologists say historic policies of fire suppression to protect Sierra timber interests left a century's worth of fuel in the fire's path.

Rainforest Alliance President Nigel Sizer, a tropical forest ecologist, explains the complex relationship between rainforests and climate change — and why it is more important than ever that those who are concerned make their voices heard.

«These practices represent the state of the art for conservation,» says Bryan Finegan, a forest ecologist at CATIE, the international research institute in Costa Rica that led the study.

A forest ecologist from the Cary Institute of Ecosystem Studies in Dutchess County is the lead author of a paper about imported forest pests.

In the summer of 2010, Hessl and her colleague Neil Pederson, a forest ecologist then working at the Lamont - Doherty Earth Observatory of Columbia University, were in Mongolia sampling larch trees.

«So far the inventory has been used as a mere propaganda tool,» says Andrzej Bobiec, a forest ecologist at the University of Rzeszów in Poland.

But in the end, more research won't resolve the conflict over Białowieża, says Jaboury Ghazoul, a forest ecologist at ETH Zurich in Switzerland.

Varner is «passionate about public dialogue and engagement in science,» wrote Nalini Nadkarni, a forest ecologist and science communicator who received the 2011 AAAS Public Engagement with Science Award.

Forest depletion ultimately contributes more GHG emissions than all the cars and trucks in use worldwide, says Werner Kurz, a forest ecologist with Natural Resources Canada, who was not involved with the study.

William Keeton, a forest ecologist at the University of Vermont in Burlington, found in a 2010 study that a New England forest left alone or lightly logged for more than a century would store approximately a third more carbon than a more heavily logged forest plus the wood products coming from it.

The study provides concrete data for something scientists had theorized for a long time, says Michael Keller, a forest ecologist and research scientist for the U.S. Forest Service based in Pasadena, California, who was not involved with the work.

Creating your own hurricane, of sorts, is «a neat idea,» says Charles Canham, a forest ecologist at the Institute for Ecosystem Studies in Millbrook, New York.

But Craig Allen, a forest ecologist with the U.S. Geological Survey in Los Alamos, New Mexico, says the data from Carnegie's cutting - edge device «confirms other lines of evidence» that droughts are killing trees «from Alaska to the Amazon.»

Nalini Nadkarni, a forest ecologist at Evergreen State College, recruited inmates from her local prison, the Cedar Creek Corrections Center in Littlerock, Washington, to conduct experiments on how to cultivate mosses in mid-2004.

«There's some ambiguity when you look at those images,» says Daniel Nepstad, a forest ecologist at the Woods Hole Research Center in Massachusetts.

The point, said Ed Smith, a forest ecologist with the Nature Conservancy and a member of the coalition of stakeholders overseeing the massive 4FRI project, is not to stop the fire, but to drop it to the ground.

«These are direct pipelines from plant to plant, like a telephone wire,» says Suzanne Simard, a forest ecologist at the University of British Columbia who studies mycorrhizal networks.

«I'm not officially on any committees yet, being a young faculty member,... but I do a lot for the university» already, says Catherine Cardelùs, a forest ecologist who took an assistant professorship at Colgate University in Hamilton, New York, last July.

«There's a high degree of random effects» in what comes back, says Jefferson Hall, a forest ecologist at the Smithsonian Tropical Research Institute in Panama who was not involved with the work.

«This is a reminder of what could happen,» said the study's lead author, Neil Pederson, a forest ecologist at Columbia University's Lamont - Doherty Earth Observatory.

The finding is «a real advance,» says Charles Canham, a forest ecologist at the Institute for Ecosystem Studies in Millbrook, New York, who has long been puzzled by crown shyness.

It is not irrational to fear invasiveness in eucalyptus, said Dan Binkley, a forest ecologist at Colorado State University.

«The beginning and end of the maple season vary quite a bit from year to year,» said Lutz, a forest ecologist.

As a forest ecologist with training in a variety of field, lab, and modeling techniques, I'm interested in several broad areas:

«This finding contradicts the usual assumption that tree growth eventually declines as trees get older and bigger,» says Nate Stephenson, the study's lead author and a forest ecologist with the U.S. Geological Survey.

«This is methodologically a big leap forward that will allow scientists to go back to sites sampled in the past and fill in the gaps,» said Glenn Juday, a forest ecologist at University of Alaska, Fairbanks, who was not involved in the study.