,

And

So

,

https://doi.org/10.1093/forestscience/27.3.567

http://www.for.gov.bc.ca/hfd/pubs/Docs/Tr/Tr106.html

https://www.fs.fed.us/fvs/documents/guides.shtml

http://www.fia.fs.fed.us/library/database-documentation/

https://doi.org/10.1093/jof/54.7.442

https://doi.org/10.1093/jof/53.3.163

https://doi.org/10.1093/jof/67.3.188

Here

, hence,

zero which

,

??

:

, by chance,

:

inventory

??

background

plot_tree

,

,

stand_id hence

, again,

??

,

So,

So

location, then

Here, we use generically to represent a bounded land area holding the population of interest.

https://doi.org/10.1093/forestscience/27.3.567

https://doi.org/10.1093/jof/54.7.442.

https://doi.org/10.1093/jof/53.3.163.

https://doi.org/10.1093/jof/67.3.188.

Third, MU_estiamtes with the A_ac column, use mutate() or transmute()

,

,

,

then

plot, then

pef_current_trees which

output and

,

, and hence trees,

,

then

,

Then

,

code needed

(HDM) and

code needed

,

,

Now

column, then

,

,

,

and

,

Here

,

three and

first() and

,

,

Above

,

,

,

stand-level

plot-level

acre and

x, then

,

, hence,

,

,

,

measured, takes

, within the stand,

falls, takes

Here

One of the most effective strategies, as Kernighan also noted, is to pair deliberate reasoning with simple tools that make your workflow more transparent.

,

of —a

e.g., , , and

,

in

,

,

) you

,

, working from values in Table 12.18,

density, disturbance history.

location and

,

55.41 and

,

\bcancelDBH2jhjc\bcancel

,

,

,

, and following (11.22),

cruise which, recall from 12.4.2, means

,

, from the description in Section 12.3.6,

HjRj=HDM⋅DBHjR_j = \text{HDM} \cdot \text{DBH}_j following

,

,

system these

,

.

Then

) and

.

So

,

) and

,

,

.

then

,

, depending on your measurement system,

,

, if the tree’s DBH is smaller or the tree is farther from the sampling location,

,

, following (12.1),

,

a ground and

, held a known distance from the forester’s eye,

Applying this rule to the three trees in Figure 12.8(a),

,

:

, for most stands,

,

, as discussed in Section 12.2.1,

,

,

,

,

structurally complex mixed-species uneven-aged stands.

, or equivalently,

RR,

,

, once projected to the horizontal plane,

So,

So

RRR, then

So

, with all its interesting terrain features,

Consider the example in Figure 12.4. Here a fixed-area circular plot center falls close to a boundary. Six trees fall in the plot and boundary. Each tree’s walkthrough point is also identified in the figure.

,

Here

,

,

-

,

, and should,

,

So

:

^[

TFm⋅TFm\!\cdot\!\text{TF} where

So,

2^2,

,

,

, in Figure 12.1,

location, then

advance and

all trees have equal probability of selection for measurement.

Generally

regenerated uneven-aged

Sometimes

Or

assessment we

Or

cruise we

, belonging to the population of interest,

Then

,

??

,

,

have

position

location and

0 which

compactly

Or

,

sep() the

,

,