"Forestry Quiz 2": HTML5 Crossword

Across

2. A DBH size class representing trees that are usually more than 4 inches in DBH and less than 10 inches DBH. (4,4)
3. The theory and practice of controlling forest establishment, composition, and growth. (12)
5. A young tree less than 4 inches DBH. (7)
7. Removing trees in a mature stand so as to effect permanent opening of its canopy and so provide conditions for securing regeneration from the seed of trees retained for that purpose. (4,4,7)
8. The age of which the timber stand is considerably ready for harvesting. (8,3)
11. Trees that are less than 3 feet tall. (8)
12. Removal of single trees distributed throughout a harvest area. (6,4,10,6)
14. A system of management requiring the removal of the mature timber in a series of cuttings over a period of time. (11)
15. Wood cut primarily for the manufacture of paper. (8)
16. A measure of site quality for given tree species or group of tree species. (4,5)
18. The disturbance of the forest floor to expose areas of mineral soil. (13)

Down

1. Removal of a portion of tree limbs, branches, or tops to improve tree form, shape or health and increase quality or growth. (7)
2. Cutting which are aimed primarily at controlling the growth of stands through adjustments in stand density. (13,8)
4. Removal of diseased, damaged, overmature, or undesirable stems from a stand. (10,3)
6. The removal of trees either as single scattered or individuals or in small groups. (9,7)
9. The process by which young stands of desirable trees are freed from the competition of undesirable trees that threaten to suppress them. (7)
10. Young trees usually produced naturally from seed of mature trees. (12)
11. A location on a woodlot where tree measurements and other pertinent information is recorded. (6,5)
13. Those trees remaining uncut following a cutting operation. (8,5)
17. The tops, branches, and defective/nonmerchantable parts of trees left on the ground after logging, pruning, thinning, or brush cutting. (5)