Sentences with phrase «age of the tree»

Old - growth can not solely be determined by size or age of the trees within a forest because these qualities vary widely with species.

These frequent fires, over several centuries, created diverse patterns of forest species, varied ages of tree species and tree species replacing one another in succession.

Looking further for reasons to wring our hands or turn our backs on pellets, we find that German forests have increased between 2002 and 2012, the average age of trees is increasing, and the sustainable wood harvesting still has room for growth.

The new data have significantly reduced the average cambial age of the tree - ring data in the twentieth century (Fig. 1a).

One should be able to tell the age of a tree from its bark; in truth one can also tell a man's age in the Good by the intensity of his repentance.

This practice also prevents the tree from producing coconuts, and the quality can vary greatly depending on the age of the tree.

All was going smoothly until December, when the San Francisco Chronicle published an article under the muckraking headline MIGHTY FIGHT OVER OAK and placed the age of the tree at 300 years or more.

In addition, the researchers used data from 25 seed - bearing Ailanthus trees from France, and two other historic trees in Pennsylvania, but because the ages of these trees were not known, the researchers only examined the relationship between size and seed production for these particular trees.

When a tree is growing, say, inside what was once a house, «the age of that tree would give you at least a minimum time since the structure was last occupied,» says Tom Swetnam, a dendrochronologist at the University of Arizona in Tucson who worked with Liebmann.

The most common, most accurate way to find the age of a tree is to count the number of rings visible when their trunk is cut horizontally

It is common knowledge that you can tell the age of a tree by counting its rings, but it is also interesting to note that the size and physiology of each ring provides information on growing conditions when the ring formed.

Scientists often study otoliths because they grow in layers that can reveal the age of a fish just as tree rings mark the age of a tree.

Similar to reading a tree ring to tell the age of a tree and the climate conditions that existed in a given year, scientists can read the sediment cores to tell when intense hurricanes occurred.

The difference between the dense, small - celled late wood of one season and the wide - celled early wood of the following spring enables the age of a tree to be estimated, and the ring widths or density can be related to climate parameters such as temperature and precipitation.

Viewing tree rings by they way is a fasinating subject, you can see when the area was wet, dry, age of tree, disease etc..

An obvious choice would be to take a power such that the strength of the signal is scaled down with the age of the tree.

This measurement is officially recognised and used by the Woodland Trust as an easy way to measure the age of trees, because a fat girth is one of several indicators of age.