Lodgepole – Appendix E (1)

Lodgepole Pine at Crater Lake: History and Management of the Forest Structure
 Appendix E (1)

Abundance and cover summaries for tree, shrub and herbaceous species in sampled communities. Numbers in parentheses represent that portion of the mean number of trees per plot that is Pinus contorta. + = less than 0.1% cover (from Zeigler, 1978).

Community

No.
Plots

Total No.
Tree Species

Mean No.
Tree Species
Per Plot

Mean No.
Trees
Per Plot

Total No.
Shrub Species

Mean No.
Shrub Species
Per Plot

Mean Cover of
Shrub Species

Pinus contorta/Carex-Stipa

15

5

1.8

234
(.96)

2

<.1

+

Pinus contorta/Carex-Lupinus

14

5

.9

210
(.97)

3

1.0

2

Pinus contorta/Purshia/Stipa

1

1

1

168
(1.0)

1

1

4

Abies magnifica var. shastensis-Tsuga/Mertensiana/Carex-Lupinus

20

3

2.7

295
(.52)

3

.04

1

Abies lasiocarpa/Haplopappus/Aster-Elymus

16

4

3.5

283
(.61)

5

1.8

4

Abies lasiocarpa/Collomia-Lathyrus

1

3

3

95
(.63)

3

3

+

Tsuga mertensiana/Vaccinium

6

4

3.5

293
(..69)

3

1.7

13

Mixed Conifer/Arctostaphylos

5

5

3.0

117
(.80)

1

1

17

Mixed Conifer/Arctostaphylos-Purshia/Carex

1

4

4

79
(.78)

2

2

7

Abies concolor/Bromus carinatus-Lupinus

2

3

2.5

278
(.49)

3

2.5

11

 

 

 

Community

Total No.
Herbaceous
Species

Mean No.
Herbaceous
Species
Per Plot

Mean Percent
Cover of
Herbaceous
Species

Total No. of
Species

Mean No. of
Species
Per Plot

Pinus contorta/Carex-Stipa

20

6

6

27

7.8

Pinus contorta/Carex-Lupinus

21

7

25

29

9.9

Pinus contorta/Purshia/Stipa

6

6

15

8

8

Abies magnifica var. shastensis-Tsuga/Mertensiana/Carex-Lupinus

30

7.5

24

36

10.6

Abies lasiocarpa/Haplopappus/Aster-Elymus

30

9.3

50

39

14.6

Abies lasiocarpa/Collomia-Lathyrus

22

22

92

30

28

Tsuga mertensiana/Vaccinium

12

4.5

5

19

9.7

Mixed Conifer/Arctostaphylos

7

3.2

5

13

7.2

Mixed Conifer/Arctostaphylos-Purshia/Carex

6

6

21

12

12

Abies concolor/Bromus carinatus-Lupinus

17

12

47

23

17

 

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