Tutorial: Sampling Theory Using Virtual Forests Tutorial

Sampling Technique: Systematic sampling had the fastest estimated sampling time of 2 hours and 55 minutes.

 

Community: Mohn Mill

Sampling Technique: Haphazard (Area)

Total Quadrants Sampled: 15

Area Sampled: 1500 m2

Species Sampled: 9

Total Specimens sampled: 209

Total time to sample: 8 hours, 5 minutes

Most abundant species: Red Maple and White Oak

Least abundant species: American basswood and Yellow birch

 

Mohn Mill – Sampling Technique: Random

Total Quadrants Sampled: 15

Area Sampled: 1500 m2

Species Sampled: 8

Total Specimens sampled: 131

Total time to sample: 8 hours, 1 minutes

Most abundant species: Red Maple and White Oak

Least abundant species: American basswood and Yellow birch

 

Mohn Mill – Sampling Technique: Systematic

Total Quadrants Sampled: 15

Species Sampled: 8

Total Specimens sampled: 60

Total time to sample: 2 hours, 55 minutes

Most abundant species: Red Maple and White Oak

Least abundant species: American basswood and Yellow birch

 

Species

Actual Data

Haphazard Data)

Random (Data)

Systematic (Data)

Red Maple

403.7

371.4

435

400

Percentage Error

-8%

8%

-0.9%

White Oak

74.5

57.1

50

68.8

Percentage Error

-23%

-33%

-8%

American basswood

1.5

7.1

0

0

Percentage Error

373%

-100%

-100%

Yellow Birch

0.8

0

5

0

Percentage Error

-80%

525%

-80%

 

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