Starter – 9-11-14 Define the following words using your textbook: Pulpwood Hardwood Conifers Evergreen Deciduous Softwood Veneer Forest Silviculture.

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Presentation transcript:

Starter – Define the following words using your textbook: Pulpwood Hardwood Conifers Evergreen Deciduous Softwood Veneer Forest Silviculture

Environmental Science Essential Standard 5.00: Understand the environmental science industry (water, soils, wildlife and forestry).

Objective 5.01 Remember careers in the environmental science industry.

Major career areas of Environmental Science Wildlife animals that are adapted to live in a natural environment without the help of humans Forestry industry that grows, manages, and harvests trees for lumber, posts, panels, paper and many other commodities

Examples of careers in Environmental Science Silviculturist– one who scientifically manages forests (specializing in the care of trees) Forestry consultant– advises private forest land owners. Loggers– one who harvests trees Urban Forester– the one responsible for the health and well-being of our cities trees

Examples of careers in Environmental Science Forester – provides assistance in managing forests for the private landowner as well as the commercial grower Timber Cruiser – are hired by private landowners and companies to estimate tree volume on a tract of land Logging foreman – is responsible for overseeing and managing logging operations Skidder operators – move felled trees form the cutting site to the loading area

Objective 5.03 Understand basic environmental science principles and practices.

Forest Management Northern coniferous forest largest region and produces large amounts of pulpwood Pacific Coast Forest most productive of the forest regions some of the largest trees in the world Douglas Fir one of the most important commercially grown trees

Forest Management Southern forests Most potential for meeting the future lumber and pulpwood needs of the US Conifers/Evergreen Virginia, loblolly, shortleaf, longleaf and slash pines Hardwoods/Deciduous Oak, poplar, maple and walnut

Importance of Forests Recreation hunting, hiking Wood products lumber, pulpwood, etc. Wildlife habitat Filter water and air

Silviculture Scientific forest management techniques Managing growing timber Prescribed burning Used to reduce the risk of wildfires by eliminating forest litter (fuel) Prescribed thinning Recommended to remove some trees when competition slows the growth of all trees

Silviculture Harvesting Timber Clear cutting system of harvesting trees where all of the trees in an area are removed Selection cutting recommended for a forest of trees consisting of different ages and species Replacing trees that have been harvested A surer method of replacing harvested trees is to plant seedlings. Natural seeding least expensive

Identification and Uses of Important Tree Species in NC Conifers (softwoods) – needle-type evergreens Frazier fir Most important commercially grown Christmas Tree in NC (mountains) dark green ½-1” long singular needle Loblolly pine pulpwood and plywood 3 needles/bundle, needles 6-9” long needles. Longleaf pine lumber, pulpwood and plywood 3 needles/bundle, 8-18” long needles

Identification and Uses of Important Tree Species in NC Hardwoods – deciduous trees Ash baseball bats, handles opposite pinnately compound leaves White oak flooring, furniture alternate, pinnately lobed leaves, Red Maple lumber, veneer, cabinets opposite, palmately lobed,3-5 lobed

Measurement of Trees and Lumber Pulpwood DBH, merchantable height in feet, cords Sawtimber DBH, 16 foot logs, board feet Lumber 1 board foot = 144 cubic inches

Objective 5.04 Remember tools and their safety practices related to the environmental science industry.

Examples of tools used in Environmental Science Bush axe Cutting bushes and under growth

Examples of tools used in Environmental Science Chain saw file Sharpening chain saw chain

Examples of tools used in Environmental Science Half hatchet Cutting and fitting firewood

Examples of tools used in Environmental Science Increment borer Checking growth rate of trees

Examples of tools used in Environmental Science Planting bar Setting out tree seedlings

Examples of tools used in Environmental Science Tree diameter tape Measure circumference of trees

Examples of tools used in Environmental Science Clinometer used to measure the height of a tree

Examples of tools used in Environmental Science Tree scale stick used to measure tree diameter and height