AG-91T5-S-13-0002_Attachment_A.pdf

ATTACHMENT A

Tree Selection Specifications Attachment

The Contractor shall select trees to be cut or left in accordance with these specifications.

Trees that are selected to be left as snags to meet the number of snags per acre in the treatment levels shall be desirable leave trees. The Contractor shall first select the most desirable leave trees as defined below.

Most Desirable Leave Trees for snags: Trees that possess the following characteristics shall be the first choice for desirable leave/residual trees.

a. Dominant Trees: Trees which are taller than the average height of the trees that form the average canopy of the stand.

b. Co dominant Trees: The trees that form the average canopy when compared to other trees in the unit.

c. Large Diameter Trees: The trees that have a dbh of at least 16 inches.

d. Trees with Wildlife Use Evidence: The trees that have evidence of bird nesting, woodpecker activity, or other small mammal cavity use.

e. Species Preference: The trees that represent a diverse mixture of species within the project area, allowing for diverse wildlife use. This includes a mixture of oak species and pines species as leave trees.

Trees 20.0 Inches D.B.H. and over: Trees 20.0 inches and over shall not be cut and shall automatically be considered as leave trees for snags.