AGN 143 Forestry 16 Question and answers rated A+ 2024/2025
4 views 0 purchase
Course
AGN 143
Institution
AGN 143
AGN 143 Forestry 16 Question and answers rated A+ 2024/2025 AGN 143 Forestry 16-18
Ch 16
Methods of crown thinning tend to be preferred for oak-dominated systems. T/F - correct answer True
The natural ranges of white oak, northern red oak, and black oak all have around the same western bo...
AGN 143 Forestry 16-18
Ch 16
Methods of crown thinning tend to be preferred for oak-dominated systems.
T/F - correct answer ✔True
The natural ranges of white oak, northern red oak, and black oak all have
around the same western boundary for what reason?
a. Temperature
b. Elevation
c. Disturbance
d. Water - correct answer ✔water
Which of the following is a major ecosystem requirement for sustainable
regeneration and growth of oak species?
a. Mortality of overstory trees to allow sunlight to forest floor
b. Adequate mast production
c. Control of understory vegetation
d. All of the above - correct answer ✔All of the above
Most oak species are considered to have what type of shade tolerance?
a. Shade tolerant
b. Intermediate shade tolerant
c. Shade intolerant - correct answer ✔Intermediate shade tolerant
What bird was an "acorn predator" and played a vital role in dispersal of
acorns over long distances?
,a. Blue Jay
b. Passenger pigeon
c. Crow
d. Goose - correct answer ✔Passenger pigeon
Oak dominance is often observed in areas of what site quality?
a. Poor
b. Moderate
c. High - correct answer ✔Moderate
Why is basal area thinning not the most ideal for oak systems management?
a. It does not consider canopy class
b. It does not consider form
c. It does not consider species
d. All of the above - correct answer ✔All of the above
The American chestnut was a very dominant tree species in the eastern
hardwoods before a disease killed them. T/F - correct answer ✔True
Genetic testing and pollen records have shown that oaks have been an
integral part of eastern forest ecosystems for how long?
a. Less than 5000 years
b. Less than 10,000 years
c. At least 10,000 years
d. At least 25,000 years - correct answer ✔At least 10,000 years
,In shelterwood harvesting systems, what is the ideal basal area left after the
establishment cut?
a. 10 to 30
b. 30 to 50
c. 50 to 80
d. 80 to 100 - correct answer ✔30 to 50
When an oak seedling is in advanced regeneration, it will put most of its
energy into leaf production. T/F - correct answer ✔False
History has shown that oaks have become more prominent in the eastern
United States for what reason?·
a. Fire·
b. Floods·
c. Drought
d. Wildlife - correct answer ✔Fire
Which of the following is not a type of regeneration of oaks? - correct answer
✔None of the above (all 3)
Frequent fire can be bad for oak systems management. - correct answer
✔True
It is common to have two very good mast years from the same tree in
consecutive years. - correct answer ✔False
Ch 17
, An agroforestry system requires some other crop to be grown in conjunction
with a forest crop. T/F - correct answer ✔True
Which of the following is NOT a use of pollarding?
a. Fuelwood
b. Fodder for livestock
c. Rudimentary building materials
d. All are uses of pollarding - correct answer ✔All are uses of pollarding
In general, which requires a more shade tolerant companion crop?
a. Silvopasture
b. Alley cropping - correct answer ✔Silvopasture
In a coppice system such as pollarding, trees are cut at the "browse line". A
browse line is typically what height off the ground?
a. 3 to 6 ft
b. 2 to 4 ft
c. 8 to 10 ft
d. 12 to 15 ft - correct answer ✔3 to 6 ft
Some key advantages of alley cropping and silvopasture are very similar.
Which advantage is found in silvopasture systems, but NOT found in alley
cropping?
a. Improved aesthetics
b. Diversification of crops
c. Fertilization of trees and forage from livestock manure
d. Sustainable agriculture systems - correct answer ✔Fertilization of trees
and forage from livestock manure
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller flyhigher329. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $16.49. You're not tied to anything after your purchase.
