Prescriptions

Corral G-Z IRSC

ATTACHMENT 4 – PRESCRIPTIONS

Fremont-Winema National Forest
Bly Ranger District

C2.355# - DESIGNATION BY PRESCRIPTION. (7/22)

Within Subdivision(s) or cutting unit(s) #####, as shown on Contract Area Map, the following criteria describing the desired end results shall be used by Contractor to designate trees and other products for cutting and removal that meet Utilization Standards:
(a) See description on the following pages.
(b) Additional trees to be cut, if any, are Marked by Forest Service with Green tracer paint.
(c) Other trees that shall be left uncut are Marked with Orange tracer paint. Contractor is not required to mark cut or leave trees meeting the criteria in (a) in advance of felling.
As an operational convenience and upon approval of the Contracting Officer, Contractor may mark leave trees and/or cut trees Contractor identifies in criteria (a). Leave trees may be marked with Contractor’s non-tracer N/A paint. Cut trees may be marked with Contractor’s non-tracer N/A paint. Cut trees shall not be marked with paint applied below stump height. Contractor shall bear all costs associated with such marking. Forest Service will not approve or accept Contractor’s tree marking in advance of cutting.

Green text shall be updated via modification prior to implementation

Corral G-Z IRSC

ATTACHMENT 4 – PRESCRIPTIONS

Fremont-Winema National Forest
Bly Ranger District

DESCRIPTION PURSUANT TO C2.355# - DESIGNATION BY PRESCRIPTION. (7/22)

Definitions:
Aspen Clump: At least 5 healthy (white bark with little to no evidence of disease or damage) live aspen trees at least 5 feet tall. Trees are members of the same clump if they are within 30 feet of at least one other tree in the clump. Clump: a grouping of 2 or more merchantable trees with interacting crowns. Trees are members of the same clump if they are within 20 feet (measured face-to-face) of at least one other tree in the clump.
Individual Tree: A tree that has no other merchantable tree within 20 feet of its bole. Mature Tree: A tree classified as greater than 150 years of age as determined using Robert Van Pelt’s guide. See figures below.
Codominant/Dominant Tree: Trees that form, or extend above, the general level of the main canopy (from the Dictionary of Forestry, Society of American Foresters). Dead Tree: Tree that does not contain live green foliage or needles. Foliage or needles may be absent, yellow, red or brown.
Diameter at Stump Height (DSH): Diameter of a tree measured perpendicular to the stem