Tree Cookies



Outer Bark: Protection
Inner Bark (Phloem): takes food from the leaves to the tree
Cambium: Creates new cells
Sapwood (Xylem): takes nutrients from the roots up the tree
Heartwood: Dead cells that provide support for the tree


What can we learn from tree cookies: 

  • Tree Age
  • Growing conditions
  • Changes in environment condition

Tree cookie examples

Competition 


Drought


Fire


Infestation 


Optimal Conditions


Growing on a slope











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