Sentences with phrase «surviving trees»

In one forest stand, for example, he and other Virginia researchers grafted branches from the largest surviving trees onto sprout clumps, then inoculated the grafts with virus - carrying fungal strains.

Few surviving trees remain in the changed landscape located in the Frank Church - River of No Return Wilderness Area in Idaho.

But a lack of water in drought years kills some trees that normally absorb CO2, sends additional CO2 into the atmosphere as those trees rot, and temporarily lessens surviving trees» CO2 uptake.

«Lightning hits it directly, and fires climb to it from elsewhere,» said Farris, who described «big surviving trees and grass below, on an open forest floor.»

Even regional climate changes scarcely seemed to affect the trees that most scientists looked at (the American Southwest was exceptional in its radically varying climate and precariously surviving trees).

Two consecutive years with annual precipitation of 73 and 60 % of the annual mean (2008 — 09) were followed by mortality of 5 — 10 % of all trees in Yatir forest, with surviving trees showing various levels of stress (Klein et al. 2014).

In polluted environments, the surviving trees have fewer alleles than in non-polluted ones.

This surviving tree was given the name «Fuerte», Spanish for «vigorous» or «strong.»

«When fires are patchy, more areas are within reach of a surviving tree.»

New research results, supported by the National Science Foundation (NSF) and published today in the Journal of Ecology, suggest that as pine stands are increasingly fragmented by widespread tree death, surviving trees may be hindered in their ability to produce their usually abundant seeds.

«We want to find out whether the surviving trees are still producing cones,» Crone says.

Your support will help to give them much needed additional income for their families for each surviving tree.