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Tree crown measurement. In forestry, a tree crown measurement is one of the tree measurements taken at the crown of a tree, which consists of the mass of foliage and branches growing outward from the trunk of the tree. The average crown spread is the average horizontal width of the crown, taken from dripline to dripline as one moves around the ...
Canopy (biology) In biology, the canopy is the aboveground portion of a plant cropping or crop, formed by the collection of individual plant crowns. [1][2][3] In forest ecology, canopy refers to the upper layer or habitat zone, formed by mature tree crowns and including other biological organisms (epiphytes, lianas, arboreal animals, etc..).
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.
Leaf area index. Leaf area index (LAI) is a dimensionless quantity that characterizes plant canopies. It is defined as the one-sided green leaf area per unit ground surface area (LAI = leaf area / ground area, m2 / m2) in broadleaf canopies. [1] In conifers, three definitions for LAI have been used: The definition “half the total leaf area ...
Pruning is a horticultural, arboricultural, and silvicultural practice involving the selective removal of certain parts of a plant, such as branches, buds, or roots. The practice entails the targeted removal of diseased, damaged, dead, non-productive, structurally unsound, or otherwise unwanted plant material from crop and landscape plants.
Covering exposed ground in any crawl spaces with 6-mil polyethylene film and maintaining at least 12 to 18 inches (300 to 460 mm) of clearance between the ground and the bottom of framing members above (12 inches to beams or girders, 18 inches to joists or plank flooring members)
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