Which of the following accurately describes a benefit or a drawback of managing an even-aged tree plantation?
A) Even-aged stands create a more complex groundcover habitat.
B) Even-aged stands are less vulnerable to disease and insect outbreaks.
C) Even-aged stands are more vulnerable to bark beetles.
D) Even-aged stands are unpopular because they are difficult to harvest and replant.
E) Even-aged stands possess more structural complexity than natural forests.
Answer: C
You might also like to view...
A toy is pulled by three kids. Jim pulls with a force of 30 N north, Jill pulls with a force of 30 N south, and Jay pulls with a force of 15 N east. The resultant of these forces is
A. 15 N west. B. 15 N north. C. 15 N east. D. none of these
The biggest loss of sea ice between 1979 and 2015 appears to be along the
A) north shore of Russia.
B) east shore of Greenland.
C) west shore of Greenland.
D) north shore of Alaska.
Why is the sofar layer efficient for sound travel?
a. Refraction causes the sound energy to remain within the layer. b. The density of the sofar layer traps the sound energy. c. Sound energy bends away from layers of lower sound velocity. d. Temperatures and salinity conditions are homogeneous.
A sediment deposit close to the continental rise having a coarse material overlaid by successively finer materials of nonmarine origin is called a ________.
A. rafted deposit B. hydrogenic deposit C. turbidite D. well-sorted deposit E. pelagic deposit