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Fertilisation
- The union of the nucleus and other cellular
constituents of a male gamete (sperm) with those of the female
gamete (ovum) to form a zygote from which may develop a new plant.
Fertilising
- The application of chemical or organic fertilisers
with the objective of increasing the unit area soil productivity.
Field Nursery
- A loose term for a nursery, generally not
permanent, established in or near the forest rather than near
an administrative or executive headquarters. Also referred
to in Ontario as satellite nursery.
Fill Planting
- The planting of trees in areas of inadequate
stocking to achieve the desired level of stocking, either in plantations
or areas of natural regeneration.
Final Cutting
- The last of a series of progressive regeneration
cuts which removes the last of the original seed trees when the
regeneration is considered established.
Fire hazard reduction
- Any treatment of fuels that reduces
the threat of ignition and spread of fire.
Fire Weather Index (FWI)
-
A numerical rating of fire intensity that combines the expected rate of spread and the total amount of available fuel for combustion. It is suitable as a general index of fire danger in the forested areas of Saskatchewan.
Forest
-
A plant community predominantly of trees and woody vegetation growing more or less closely together.
Forest Genetics
- The study of heredity in forest trees.
Forest Management
- a) Giving the forest the proper care
so that it remains healthy and vigorous and provides the desired
products and amenities.
- b) Technical definition: The application
of technical forestry principles and practices and business techniques
to the management of a forest.
Forest Management License Agreement
-
A contractual agreement between the Provincial Government and a lumber or pulp company to provide a wood supply to the processing plants of that company. It ensures that the forest on such lands are harvested and reforested to produce successive crops of timber on a sustainable-yield basis.
Forest Management Unit
- An area of forest land managed as
a unit for fibre production and other renewable resources. This
unit can be the entire province or territory, a provincial forest
management subdivision, an industrial timber limit, etc.
Forest Model
- A computer-based simulation that within definable
parameters forecasts the development of the forest.
Forest Products
-
Any usable raw material yielded by the forest (e.g.. pulp, lumber, chemical extraction, mushrooms. mosses, berries, etc.).
Forest Tree Breeding
- The genetic study of trees to solve
some specific problem or to produce a specially desired product.
Forest Tree Improvement
- The control of parentage combined
with other silvicultural activities (such as site preparation
or fertilising) to improve the overall yield and quality of products
from forest lands.
Forest Type
-
A group of tree species that, because of their environmental requirements and tolerances. are repeatedly found growing together.
Forestry
-
A practice embracing the science, business, and art of creating, conserving, and managing forests and forest lands for continuous use. Specialists in its practice are professional foresters.
Free Growing
- see Free-To-Grow
Free Thinning
- see Thinning: free
Free-To-Grow (EGG)
- The condition of a forest stand when
it is established and acceptable for entry into the productive
timber land base. The stand must meet these criteria: minimum
stocking, desired species composition, minimum height development,
and freedom from competition that impedes growth. The term free
growing is used in British Columbia.
Frill Girdling
- Girdling by making a series of downward,
more or less overlapping incisions, generally for the introduction
of poison. Spaced incisions are termed frill cuts. A double
series of such incisions is referred to as double-frill girdling
.
Frost Pocket
-
Low or open areas that tend to be cooler than their surroundings.
Full-Sibs
- Trees with both parents in common. Defined
in Manitoba as trees where both parents are known.
Fungicide
- Any agent used to kill or inhibit the growth
of fungi and their spores.
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