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Pine trees & growth rings
Pine trees & growth rings
Pine trees & growth rings
Pine trees & growth rings
Pine trees & growth rings
Pine trees & growth rings
Pine trees & growth rings
Pine trees & growth rings
Pine trees & growth rings
Pine trees & growth rings
Pine trees & growth rings
Pine trees & growth rings
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Pine trees & growth rings

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Radiata pine is a major plantation species grown in Australia. Find out more about this tree species and the growth rings it exhibits.

Radiata pine is a major plantation species grown in Australia. Find out more about this tree species and the growth rings it exhibits.

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  1. Pine trees & growth rings<br />
  2. The science of counting growth rings to work outthe age of trees and wood is called…<br />
  3. The science of counting growth rings to work outthe age of trees and wood is called…<br />Dendrochronology<br />
  4. Radiata pine is a popular tree species grown in plantations in NSW<br />
  5. Each year, Radiata pine trees add a growth ring.<br />The rings may be thick or thin depending on the growing season.<br />
  6. Each year, Radiata pine trees add a growth ring.<br />The rings may be thick or thin depending on the growing season.<br />Good year, fast growth = thick ring <br />
  7. Each year, Radiata pine trees add a growth ring.<br />The rings may be thick or thin depending on the growing season.<br />Poor year, slow growth = thin ring <br />
  8. Native Australian trees like gum trees (Eucalypts) don’t have annual growth rings like pine trees<br />They grow evenly all year round, making it hard to count the rings and tellthe age of the tree.<br />
  9. Can you count the growth rings of this tree slice to tell the age of the tree?<br />
  10. It takes 33 years for a plantation pine tree to be ready for final harvest.<br />Did you know?<br />1yr<br />5yrs<br />10yrs<br />15yrs<br />20yrs<br />33yrs<br />
  11. Forests NSW sells enough timber to construct 25% of the houses built in Australia every year.<br />Did you know?<br />
  12. 2011 is International Year of Forests<br />Celebrate NSW State forests and all they have to offer…<br />Visit us at:<br />www.industry.nsw.gov.au/forests<br />

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