Ecological Archives E096-047-A3

Katie E. Marshall and Jennifer L. Baltzer. 2015. Decreased competitive interaction drive a reverse species richness latitudinal gradient in subarctic forests. Ecology 96:461470. http://dx.doi.org/10.1890/14-0717.1

Appendix C. Table showing percent cover of tree species in each forest type cluster.

Table C1. Percent cover of each tree species in each forest class, averaged over the number of sites in each class. Classes were produced by Ward clustering on Hellinger-transformed percent-cover of each tree species in each plot (n = 125).

Species

Black spruce

White spruce

White spruce/black spruce

Black spruce/larch

Mixed

Picea mariana

99.8

0

49.3

45.0

0.7

Picea glauca

0

97.3

44.9

0.8

25.7

Larix laricina

0.2

1.0

2.1

50.9

0.3

Betula neoalaskana

0

0

0

0

6.3

Populus temuloides

0

0.1

0

0

24.1

Populus balsamifera

0

0.6

0.5

0

15.9

Pinus banksiana

0

0

3.3

0

24.1

Betula papyrifera

0

0

0

3.3

0.2

Salix scouleriana

0

0

0

0

1.4

Pinus contorta

0

0

0

0

1.3

 

 

 

 

 

 

Number of sites

26

19

26

12

21


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