Comparison of Two Field Methods in a Scientific Report/Paper Format

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Lab Exercise 9_ Comparing Plant Density and Dominance in an Upland Forest using Two Methods

Methods Summary

 The objective of this field exercise is to compare plant density and dominance in an upland forest of the Northern Cross Timbers Ecoregion using two different data- collection methods.

 The sampling area is 50 m x 30 m (see gridded sampling area table below)

 We will compare the data using a plot vs. a belt transect method in the same sampling area.

 Belt transect method

o Measure the diameter (cm) of every woody shrub and tree in the randomly selected belt transect below.

o Indicate if the woody plant is a shrub or tree, and if it is a red cedar.

1 2 3 4 5

Each cell is 5 m x 10 m

B

A

C

D

E

F

50 m

mm

30 m

 Plot transect method

o Measure the diameter of every woody shrub and tree in each of the randomly selected cells (plots) below.

o Indicate if the woody plant is a shrub or tree, and if it is a red cedar.

1 2 3 4 5

Each cell is 5 m x 10 m

B

A

C

D

E

F

50 m

mm

30 m