Earths Resources - Biosphere
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biomass
the mass of living or recently living plants or animals
biofuels
combustable biomass or fuels derived from biomass
domesticated animals human exploitation of biosphere
• food - livestock such as cows, pigs and sheep • clothing - wool, leather, and fur from livestock
agricultural crops human exploitation of biosphere
• economically significant crops include: wheat, corn, barley, rice, buckwheat, maize, potatoes, sugar beat, cotton • these are examples of cereals, roots/tubers, pulses, and sugar crops
forestry human exploitation of biosphere
• native - hazel, elder, alder, crab apple, silver birch • plantation (grown for economic gain) - corsican pine, douglas fir, sitka spruce
hardwood uses of timber
• diciduous trees which have leaves and seeds (ash, beach, cherry, maple, oak, walnut) are slow growing • they are used for high-end furniture, decoative woodwork, decks, and flooring (usually more expensive)
softwood uses of timber
• conifer trees that have needles and cones (ceder, fir, pine, spruce, larch, redwood) are fast growing • they are used for building, furniture, exterior cladding, doors (usually cheaper)