Growth rings (or "tree rings" or "annular rings") can be seen in a horizontal cross section cut through the trunk of a tree.
Visible rings result from the change in growth speed through the seasons of the year, thus one ring usually marks the passage of one year in the life of the tree.
For more information about the topic Growth ring, read the full article at Wikipedia.org, or see the following related articles:
Petrified wood Petrified wood is a type of fossil: it exists of fossil wood where all the organic materials have been replaced with minerals (most often a silicate, ... >
read more
Mulch In agriculture and gardening, mulch is a protective cover placed over the soil, primarily to modify the effects of the local climate. A wide variety ... >
read more
Climate changes of 535 to 536 In the years 535 and 536, several remarkable aberrations in world climate took place. The Byzantine historian Procopius recorded of 536, "during this ... >
read more
Old growth forest Old growth forest, sometimes called late seral forest or ancient forest or primary forest is an area of forest that has attained great age and ... >
read more
Moss Mosses are small plants that are rarely taller than 2 inches (50 mm). They typically grow close together in clumps or mats in damp or shady ... >
read more
Temperature record The temperature record shows the fluctuations of the temperature of the atmosphere and the oceans through various spans of time. The most detailed ... >
read more
Tree A tree can be defined as a large, perennial, woody plant. Though there is no set definition regarding minimum size, the term generally applies to ... >
read more
Coast Douglas-fir The Coast Douglas-fir is an evergreen conifer native to the coastal regions of western North America. Coast Douglas-fir is a very large tree, the ... >
read more
Maple tree Maples are trees or shrubs in the genus Acer. There are approximately 125 species, most of which are native to Asia, but several species also occur ... >
read more
Olive The Olive has been used since ancient times for the making of olive oil and for eating of the fruit, which, being bitter in its natural state, are ... >
read more
Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Growth ring at Wikipedia.org. See the Wikipedia copyright page for more details.
Recommend this page on Facebook, Twitter,
and Google +1:
Other bookmarking and sharing tools: