AGN 143 EXAM 2 Question and answers 100% correct 2024/2025
2 views 0 purchase
Course
AGN 143
Institution
AGN 143
AGN 143 EXAM 2 Question and answers 100% correct 2024/2025 AGN 143 EXAM 2
A forest stand that is composed principally of one species that makes up at least 80% of the stand is a - correct answer Pure stand
Understory re-initiation - correct answer Mortality in the canopy creates openings...
AGN 143 EXAM 2
A forest stand that is composed principally of one species that makes up at
least 80% of the stand is a - correct answer ✔Pure stand
Understory re-initiation - correct answer ✔Mortality in the canopy creates
openings for new plants to establish
Stand initiation - correct answer ✔Fast-growing, shade-intolerant trees are
common in this stage
Old-growth (complex) - correct answer ✔Productivity equals zero because
growth balances mortality
Stem exclusion - correct answer ✔Period of intense competition where
canopy differentiation begins
You measure a northern red oak tree and get a DBH of 18 inches. What is the
basal area (BAt) of this tree? Be sure to round your answer up to the nearest
tenth (one decimal place) and choose the closest answer. - correct answer
✔1.8 ft^2
You measure a fixed-area 1/10th acre plot and tally 5 trees in the plot. What is
the plot-level estimate of trees per acre (TPAp)? - correct answer ✔50 tpa
Say you have a forest stand with a mean DBH of 12 inches. If you want to do
a Goemetric Thin to reduce stocking to B-level stocking, what spacing would
you use? - correct answer ✔24ft x 24ft
, Say you have a forest stand with a mean DBH of 9 inches. If you want to do a
Geometric Thin to reduce stocking to B-level stocking, what spacing would
you use? - correct answer ✔18ft x 18ft
You measure a shagbark hickory and get a DBH of 7 inches. What is the
basal area (BAt) of this tree? Be sure to round your answer up to the nearest
tenth (one decimal place) and choose the closest answer. - correct answer
✔0.3 ft2
If a fixed area plot has 5 tallied trees and a plot-level TPAp of 100, what is the
plot size? - correct answer ✔1/20th acre
A forest stand that is composed of multiple species, each making up less than
80% of the stand is a - correct answer ✔mixed stand
Epicormic branching can often increase under conditions of - correct answer
✔low stand density
Another name for Geometric Thinning is - correct answer ✔basal area
thinning
A forest stand is Understocked if - correct answer ✔trees do not use all
available growing space
A multiple cohort stand is also referred to as a - correct answer ✔uneven
aged stand
The primary purpose of thinning is to reduce stand density to allow the tree
_________ room to grow - correct answer ✔crowns
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 $13.99. You're not tied to anything after your purchase.
