“All the major ecosystems in the [northern] states are here; we can get information for the ecosystems from the Rockies to Maine,” said David ... In one experiment, Tilman and his colleagues ...

It is the first experiment to gather enough data -- over ... are the result of 12 years of experiments conducted by David Tilman, an ecologist at the University of Minnesota, and colleagues ...

It really should be a movie,” said David Tilman, the University’s Cedar Creek ... They planted more than 300 small plots with varying numbers of plant species. The experiment is still ongoing, but ...

Utah State University ecologist Noelle Beckman and colleagues Ray Dybzinski of Loyola University Chicago and David Tilman of the ... observed in the long-term experiment conducted at Minnesota ...

"The loss of biodiversity has much greater and more profound ecosystem impacts than had ever been imagined," said David Tilman ... from the Nitrogen Enrichment Experiment in order to determine ...

I took part in a companion grassland biodiversity experiment 5 led by David Tilman, which showed that experimental tests of the value of biodiversity to the functioning of ecosystems were possible ...

Scott Simon speaks with ecologist David Tilman about how much biofuels benefit the environment, and whether growing crops for biofuel manufacturing could drive up food prices. With oil prices ...

Professor David Tilman was recognized for showing that biodiversity is essential for stable ecosystems, and for demonstrating the value of protecting endangered species. The award is the 2010 ...

G. David Tilman, an ecologist at the University of Minnesota, also received a National Medal of Science for his research on biodiversity and conservation, including the ways that the planet’s ...