Sentences with phrase «plant ecologist»

The problem is that plants with good possibilities often have the same traits that make then potentially invasive species, said Lauren Quinn, an invasive plant ecologist at the University of Illinois» Energy Biosciences Institute.

Pierre Dansereau, French Canadian plant ecologist who was a pioneer in the study of the dynamics of forests and who attempted to extend ecological concepts to the modern human environment.

It's unusual for a single gene to have such a strong effect on survival, says plant ecologist Thomas Givnish of the University of Wisconsin — Madison.

The soil on Mars may be suitable for cultivating food crops — this is the prognosis of a study by plant ecologist Wieger Wamelink of Wageningen...

However, last August a team headed by plant ecologist Allison Snow at Ohio State University demonstrated that this same gene might produce some very tough weeds: She found that wild sunflowers crossed with Bt sunflowers produced offspring that suffered significantly less insect - related damage and produced 50 percent more seeds than control plants without the gene.

Karen McKee, a retired plant ecologist, has published videos and an e-book on effective science videography techniques, targeted at scientists.

The biggest timber salvage operation in U.S. history was launched in the northeast U.S. after «The Great Hurricane of 1938,» says plant ecologist David Foster, director of the Harvard Forest, a 3000 - acre tract in Petersham, Massachusetts.

Plant ecologist Gian - Reto Walther of the University of Bayreuth in Germany says it is unclear what this finding bodes for the broader ecosystem.

University of Queensland plant ecologist Dr Margie Mayfield said many crops — including mangoes, custard apples, kiwi fruit, coffee and canola — depended on non-bee insect pollinators such as flies, butterflies, moths, beetles, wasps, ants, and thrips.

«The agricultural environment in which we produce our food doesn't exist in nature,» says Swiss plant ecologist Bernhard Schmid.

The findings track with the growing body of research on the impact of insects on forest fire severity, said Carolyn Sieg, a research plant ecologist with the U.S. Forest Service.

A team led by University of California, Santa Barbara plant ecologist Shelley Crausbay is studying high - elevation cloud forests that provide habitat for a number of rare birds, most of which are endangered.

The sand patches, each about 300 meters wide, used to occur in many more areas of Brazil's mountain savannah, says plant ecologist Rafael Oliveira of the University of Campinas in São Paulo, Brazil.

The wispy grass was observed on March 29 in a remote area of Santa Catalina Island by plant ecologist Jenny McCune of the Catalina Island Conservancy.

Applying this hypothesis to 122 forest plots catalogued by the Smithsonian Tropical Research Institute in Panama — ranging from the drier Pacific side of the isthmus to the wetter Caribbean side — plant ecologist Bettina Engelbrecht and her colleagues demonstrated that drought controls plant distribution.

There was a snag however: Margaret Ronsheim, an evolutionary plant ecologist and Long's spouse, was also on the job market.

Landscape ecologists Prof. Dr. Ralf Seppelt, Dr. Ameur M. Manceur and plant ecologist Dr. Stefan Klotz from the UFZ analysed the production and extraction rates of 27 global renewable and non-renewable resources together with economist Dr. Eli Fenichel from Yale University and sustainability scholar Dr. Jianguo Liu from Michigan State University.

Skinner is a physiological plant ecologist and member of the USDA - ARS - Pasture Systems and Watershed Management Research Unit.

When I arrived in the Golden Gate National Parks in 1997, there were already habitat restoration efforts in place — but park plant ecologists were realizing that the need for planting was much greater than what could be grown.

It will sequester only so much carbon, but there are sure to be other benefits, according to some fresh thinking by a distinguished plant ecologist.

Phyllis Coley and husband Tom Kursar, plant ecologists at the University of Utah in Salt Lake City, reasoned that if young plants have stronger chemical defenses, they might also be a good place to look for potential medicines.

We are plant ecologists who collect native seeds and plant materials from the park and provide expertise to restoration planners.

She is a Portland - based food writer, plant ecologist, and speaker, and is the author of four books on culinary history and her writing has been featured in numerous national publications.

However, when word spread through the department that the federal register was open, all of us filled out the paperwork to have our names put on the federal civil service register as plant physiologists and plant ecologists, without knowing what that accomplished.

Fernando Valladares, a plant ecologist at the CSIC National Museum of Natural Sciences in Madrid, who leads a 20 - strong team, expects that «at least half» of his staff «will go within a year, for sure.»

I'm a plant ecologist who has done countless silviculture [forestry] projects.

Gary Nabhan, a plant ecologist at the Arizona - Sonora Desert Museum in Tucson, and grad student Joshua Tewksbury of the University of Montana, Missoula, studied over 150 hours of videotape collected last summer of around 25 chili bushes in southern Arizona — the northern edge of the plant's natural range — where the U.S. Forest Service last spring established a protected chili preserve.

Not likely to get funding for a 200 - year - long study, plant ecologists have examined succession by studying regrowth in plots where original forests that had been cut down at different times, an approach called chronosequencing.

Thomas Givnish, a plant ecologist at the University of Wisconsin, Madison, adds that the hypothesis could be strengthened by «exposing these plants to... emus or ostriches to demonstrate that these traits deter browsing by birds.»

That's a little worrisome, says Milena Holmgren, a plant ecologist at Wageningen University and Research Centre in the Netherlands, who was not involved in the research.

Georg Grabherr, a plant ecologist at the University of Vienna in Austria who specializes in alpine plants, hadn't expected the species to move so quickly over the decades.

Nevertheless, «In Spain, it is common practice for researchers to work alone in the field,» says Pedro Rey, a plant ecologist from the University of Jaén, «because we do not usually get public funds for a field assistant.»

Instead of focusing on those edges of a species range, Jonathan Lenoir, a plant ecologist at the Paris Institute of Technology in France, and colleagues decided to examine what climate change was doing to optimum ranges — the zones where most of a population lived — for plants in the mountain forests of western France.

In fact, says Helliker, infrared imaging of trees has already shown that their leaves can be warmer than the surrounding air by several degrees, as was reported last year by Christian Körner, a plant ecologist at the University of Basel in Switzerland.

By using new gene sequencing methods, a team led by Thomas Givnish, a plant ecologist at the University of Wisconsin, Madison, created a phylogeny of orchids with an unprecedented 75 chloroplast genes from 39 species, representing almost all major groups of orchids, as well as from 96 distant relatives among all flowering plants.

Plant ecologists have known that the form and function of leaves are essential to a plant species» success, but «we did not understand if this was true across the tremendous diversity of plant root systems,» he said.

The researchers are also collecting information about weather patterns and other socio - ecological conditions that affect maple trees, said Rapp, a plant ecologist.

«There's not a simple story,» John Silander, a plant ecologist at the University of Connecticut, said.

Dr John Morgan (Plant Ecologist, Department of Ecology, Environment and Evolution, La Trobe University)

Dr. Skip Walker, a plant ecologist at the Institute of Arctic and Alpine Research at the University of Colorado in Boulder, said the study was «the first real evidence that this kind of movement may occur,» adding, «People have been suspecting it's been happening without being able to show it.»

I am a plant ecologist who studies carbon and nitrogen cycling and I have been yearning for a site / blog this.