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A model was developed that can be used to determine the volume of tree canopies of this shape. A tree crown fits this shape model if: a) it has a domed shaped top surface, b) the base of the crown is flat or at ground level on a flat surface, and c) the width of the crown spread is greater than or equal to twice the vertical thickness of the crown.
Caravans Act (Northern Ireland) 1963 Description English: An Act to make provision for the licensing and control of caravan sites; to authorise local authorities to provide and operate caravan sites, and for purposes connected with those matters.
Awnings were first used by the ancient Egyptian and Syrian civilizations. They are described as "woven mats" that shaded market stalls and homes. A Roman poet Lucretius, in 50 BC, said "Linen-awning, stretched, over mighty theatres, gives forth at times, a cracking roar, when much 'tis beaten about, betwixt the poles and cross-beams".
SunSetter's primary product lines are awnings, but the company also manufactures retractable screens, solar shades, flagpoles, and mats. [citation needed] The company currently produces four different types of deck and patio awnings (including motorized and manual awnings); customers choose the color and size. [1]
Leaf area index, leaf area per unit ground area, is a key measure used to understand and compare plant canopies. The canopy is taller than the understory layer. The canopy holds 90% of the animals in the rainforest. Canopies can cover vast distances and appear to be unbroken when observed from an airplane.
Tree height is the vertical distance between the base of the tree and the highest sprig at the top of the tree. The base of the tree is measured for both height and girth as being the elevation at which the pith of the tree intersects the ground surface beneath, or "where the acorn sprouted."
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