FinalF-05survey

FinalF-05survey - Student Number_ FOR3364 Survey of Forest...

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Student Number________________ FOR3364 Fall 2005 Survey of Forest Ecology and Management S.M.Zedaker FINAL EXAM This closed book/notes examination has 60 points and is worth 20% of the course grade. Not all questions are of equal value, so please plan accordingly. Be sure to sign your honor code pledge of individual work on the bottom of the last page. Relax; read the questions carefully; think clearly; good luck. Happy Holidays! SMZ 1. Gobblers eat Cardinals for lunch on January 3 rd . True False 2. A codominant tree receives direct sunlight from above, but relatively little from the sides. True False 3. Once an intolerant tree in an even-aged stand becomes suppressed, the probability of death in the near future is greatly increased. True False 4. Release using chain or brush saws is an effective means of controlling hardwoods in a pine plantation. True False 5. Pruning is an expensive operation that is usually only justified if stumpage values will be greatly increased. True False 6. A principal goal in silviculture is to assure that harvested stands can be adequately regenerated. True False 7. Seedlings or saplings already in a stand before harvest are not a reliable source of regeneration. True False 8. Virginia pine would be a good candidate species for regeneration by single tree selection. True False 9. Using herbicides for site preparation will almost always result in high amounts of bare mineral soil being exposed. True False 10. The economic optimal rotation length is often less than the rotation length that produces the maximum mean annual increment. True False
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2 11. Natural seeding/seedfall can only be maximized by retaining a fully closed forest canopy. True False 12. LD 50 refers to the amount of a substance that will kill 50 percent of a test population. True False 13. Intermediate operations are always done at a cost to the forest landowner. True False 14. Low thinning generally captures, for harvest, potential future mortality. True False 15. Managing for a constant regeneration area by harvesting only the total number of acres in a forest divided by the rotation length is one way to achieve a sustainable yield. True
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FinalF-05survey - Student Number_ FOR3364 Survey of Forest...

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