Sentences with phrase «upper boundary tree»

There's a mantra in the trade that lower boundary treeline trees are precipitation proxies and upper boundary tree lines are temperature proxies, relying on Lamarche 1974.

Not exact matches

The TMRCAs of major phylogenetic clades observed in the whole - exome tree represent upper boundaries for population split times.

As the elevational lapse rate of summer air temperatures in the Polar Urals is 0.7 °C, the climate - dependent upper boundary of the zone suitable for tree growth could ascend approximately 100 m.