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The growth rings of an unknown tree species, at Bristol Zoo, Bristol, England. This trunk is three feet (1 metre) across.<br> Notice that a ring is not of uniform width i.e. it cannot be assumed that a wide ring represents a good growing season since the
The growth rings of an unknown tree species, at Bristol Zoo, Bristol, England. This trunk is three feet (1 metre) across.<br>
Notice that a ring is not of uniform width i.e. it cannot be assumed that a wide ring represents a good growing season since the opposite conclusion could be made elsewhere on the same ring.
Photographed by Adrian Pingstone in September 2005 and released to the public domain.
{{PD-user|Arpingstone}}
[[Category:Growth rings]]
http://commons.wikimedia.org/wiki/Image:Tree.ring.arp.jpg
Notice that a ring is not of uniform width i.e. it cannot be assumed that a wide ring represents a good growing season since the opposite conclusion could be made elsewhere on the same ring.
Photographed by Adrian Pingstone in September 2005 and released to the public domain.
{{PD-user|Arpingstone}}
[[Category:Growth rings]]
http://commons.wikimedia.org/wiki/Image:Tree.ring.arp.jpg