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Idea Transcript
Journal of Forestry Quiz
September 2014
This Jo J urnal of of Fore restr try Qu Q iz is approved fo f r 5.5 continuing fo f restry education (CFE) credit hours in Category 1-CF by the Society of American Foresters. Successfu f l completion of the selff assessment, defi f ned as a cumulative score of at least 70%, is required to earn CFE credit. CFE approval is valid fo f r one year fr f om the issue date of publication, and participants may a submit the quiz at any time during that period. QUIZ 1: RESEARCH ARTICLES, REVIEW ARTICLES, DISCUSSION ARTICLE
Please select one answer for each question. Modeling breakage and windthrow of snags retained in the f re salvage study at Blacks Mountain, Ri fi R tchie and Knapp f und that surfa fo f ce fu f el loads are likely to exceed the historic range of variability by year 10 fo f r plots where: a) 25 ft f 2/ac or more of basal area is retained. b) 50 ft f 2/ac or more of basal area is retained. c) 60 ft f 2/ac or more of basal area is retained.
7.
According to the mortality model developed by Crotteau and R tchie, trees of which residual species had the greatest annuRi al mortality rates in the second measurement period aft f er treatment? a) Incense-cedar b) Ponderosa pine c) Wh W ite fi fr
2.
Which species retained as snags in the Ri W R tchie and Knapp study showed little evidence of breakage over the 10-year period of observation? a) Wh W ite fi fr b) Incense-cedar c) Ponderosa pine
8.
Across the American chestnut fo f rmer range, Clark et al. propose that the most eff fficacious method to combat multiple abiotic and biotic challenges to artifi f cial regeneration success is to improve: a) deer browse protection. b) planting methods. c) seedling quality. y
3.
Aft f er the Cone fi f re, Ri R tchie and Knapp fo f und that natural regeneration on plots greater than 200 fe f et fr f om a seedsource was: a)