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Crown closure and crown cover are two slightly different measures of the forest canopy and that determine the amount of light able to penetrate to the forest floor. Crown closure, also known as canopy closure, is an integrated measure of the canopy "over a segment of the sky hemisphere above one point on the ground".
Canopy over a doorway in Fergana, Uzbekistan Canopied entrance to the New York City Subway at the 14th Street–Union Square station. A canopy is a type of overhead roof or else a structure over which a fabric or metal covering is attached, able to provide shade or shelter from weather conditions such as sun, hail, snow and rain.
Canopy of D. aromatica at the Forest Research Institute Malaysia displaying crown shyness Trees at Plaza San Martín (Buenos Aires), Argentina. Crown shyness (also canopy disengagement, [1] canopy shyness, [2] or inter-crown spacing [3]) is a phenomenon observed in some tree species, in which the crowns of fully stocked trees do not touch each other, forming a canopy with channel-like gaps.
The average crown spread is the average horizontal width of the crown, taken from dripline to dripline as one moves around the crown. The dripline is the outer boundary to the area located directly under the outer circumference of the tree branches. When the tree canopy gets wet, any excess water is shed to the ground along this dripline.
A group of Laysan albatrosses resting beneath the canopy of a fig, a common shade tree in many parts of the world.. A shade tree is a large tree whose primary role is to provide shade in the surrounding environment due to its spreading canopy and crown, where it may give shelter from sunlight in the heat of the summer for people who seek recreational needs in urban parks and house yards, and ...
Crown (also Canopy crown): The apex of a raised canopy. [9] Finials: Decorative end caps for the bed posts that hold a canopy in place. [9] Footboard: The solid or upholstered secondary focal point of a bed attached at or to the foot of the bed. [9] Foot: The portion of the bed at your feet—the foot of the bed usually faces out into the room. [9]
It may have had a matching wing at the west end, but no evidence survives. The house is timber-framed, with the ground floor infilled with Mediaeval brick. Its upper floor is jettied. Its main entrance has a 15th-century canopy. The roof is of crown post construction, the roof in the wing being a reconstruction. [1] [2]
Crown, canopy, or aerial fires burn suspended material at the canopy level, such as tall trees, vines, and mosses. The ignition of a crown fire, termed crowning , is dependent on the density of the suspended material, canopy height, canopy continuity, sufficient surface and ladder fires, vegetation moisture content, and weather conditions ...