Forest Biometrics Exam 1 Questions and
Answers 100% Pass
This course will concentrate on two areas: - Answer✔Sampling and Estimation
Growth and Yield
Sampling is - Answer✔a method or process that allows an estimation to be generated to
describe a population
why dont we measure all the trees in an area? - Answer✔Measuring an entire population is
time consuming and in most cases cost prohibitive
Sampling, if done correctly, can provide a - Answer✔cost effective and accurate method for
effective decision making for natural resource managers
there is a direct correlation between costs and - Answer✔information quality
To determine the quality of sampling and estimation we will use - Answer✔statistics for
validation
For a forester, the sampling and estimation process is called - Answer✔forest inventory
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2 most common reasons to do a forest inventory - Answer✔gather info for
-management
-timber sales
The intensity of a forest inventory results in an estimation of the - Answer✔-whats out there
-how much is out there
-where is it
the higher the intensity of an inventory, the greater the - Answer✔accuracy
Inventory Objectives can include - Answer✔Volume or value or both of timber in a defined
spatial extent
Number of deer per spatial unit
Habitat quality for a wildlife species
Occurrences of other species (vegetative or animal)
Fuel Load Modeling
Road characteristics and integrity
Soil analysis
Two types of Sampling: - Answer✔Subjective and Probability
subjective sampling - Answer✔can be implemented with or without preconceived bias
what does biased sampling mean - Answer✔conscious avoidance of forest stand
nonconformities i.e. only pick plots that seem to represent the entire stand that can leave out
nonaverage characteristics
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