Sentences with phrase «ecologist robert»

Ecologist Robert Holt of the University of Florida in Gainesville explains that Carpenter and his team have worked on this lake system for many years, and thus they understand it intimately.

«If you have a lot of extinctions, you may make systems vulnerable to further extinctions by removing sources of stability,» says community ecologist Robert Holt of the University of Kansas, Lawrence.

By 1969, ecologist Robert Whittaker openly waved aside some evolutionary distinctions when describing his ideas for kingdoms, in Science (see illustration below).

The eminent ecologist Robert M. May of the University of Oxford calls that predictability «the flip side of chaos.»

The results show that murres «are really at the edge of what a bird can do,» says University of Missouri, St. Louis, seabird ecologist Robert Ricklefs, an author of the paper.

«My concern is a smothering of these ecosystems,» says LSU ecologist Robert Twilley.

Behavioral ecologist Robert Gibson of the University of Nebraska, Lincoln, witnessed this firsthand when golden eagles attacked lekking sage grouse he was researching in California.

That makes it harder to sell the concept to politicians, says ecologist Robert Twilley of Louisiana State University in Baton Rouge.

Not exact matches

This conclusion was also reached by economists and ecologists in an international symposium on ecological economics edited by Robert Costanza (1991).

Coastal Ecologist, and Mass Audubon's Salt Marsh Science Project co-founder, Dr. Robert Buchsbaum talks about about birds and vegetation on salt marshes in this 6.32 minute video filmed by Rick Hydren, as part of his «Danger in the Reeds» video series.

Dr. Robert Hall, an ecologist at the University of Wyoming, notes, «While downstream food webs proved to be more stable in our study, they are clearly a shadow of pre-dam conditions.

Research by Robert Bilby, an aquatic ecologist at the Weyerhaeuser Company, shows that up to 78 percent of the stomach contents of young coho salmon and steelhead are salmon carcasses and eggs.

But the evidence gathered on the streets of Washington, D.C., by ecologist and chemical engineer Robert Jackson of Duke University in Durham, North Carolina, suggests that another major source of methane is literally under our noses.

It is an excellent example of the value of long - term demographic studies for long - lived species such as albatrosses,» according to Oregon State University's Robert Suryan, a seabird ecologist who was not involved in the study.

Robert Howarth, an ecologist and evolutionary biologist, and Anthony Ingraffea, a civil and environmental engineer, reported that fracked wells leak 40 to 60 percent more methane than conventional natural gas wells.

Robert Raguso, a behavioral ecologist from Cornell University, uninvolved in this study, is excited about the unique and creative approach taken by the authors in «interviewing» hoverflies.

Robert F. Rockwell, a Museum of Natural History population biologist and ecologist who was one of Gormezano's mentors since she started at the museum as a grad student, made no secret of his frustration with what he felt was agenda - driven resistance to publishing some of her findings.

To learn about one who exceeded that triple standard, please read the following appreciation of Robert T. Paine, a pioneering marine ecologist at the University of Washington who died last month at age 83 (New York Times obituary).

They were the geoscientist Michael E. Mann; Ann Kinzig, an ecologist; Clark A. Miller, a political scientist; Gavin Schmidt, a climate scientist; Robert Henson, a meteorologist and science writer; and Matthew Nisbet, a communications professor.

In the latter category, at the moment, is the recent burst of assertions and press coverage over the extent of climate impacts from hydraulic fracturing, or fracking — centered on a new paper on this issue by Robert Howarth, a Cornell ecologist who makes no secret of his opposition to the gas - extraction method.

Robert Howarth is his colleague at Cornell, an ecologist who produced one of the most controversial scientific studies of the year: a paper arguing that natural gas produced by fracking may actually have a bigger greenhouse gas footprint than coal.

Last year the Breakthrough Institute, the pragmatic think tank that's been a thorn in the side of traditional environmentalism since its inception in 2003, published an essay by Peter Kareiva, chief scientist of The Nature Conservancy; Robert Lalasz, TNC's director of science communications; and Michelle Marvier, an ecologist at Santa Clara University.

«A lot of ecologists like me are starting to think all these agents, like insects and fires, are just the proximate cause, and the real culprit is water stress caused by climate change,» said Robert L. Crabtree, head of a center studying the Yellowstone region.