Table selection ranking and mean dietary proportion of plant species available to tame caribou



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Appendix

Table A1. Selection ranking and mean dietary proportion of plant species available to tame caribou (Rangifer tarandus L., 1758) within potential natural vegetation (PNV) communities of northeastern British Columbia as annotated: (1) boreal black spruce, (2) boreal upland black spruce, (3) boreal treed rich fen, (4) boreal white spruce, (5) mid-elevation spruce, (6) high-elevation spruce, (7) dry alpine, (8) shrub alpine, and (9) wetlands. Available plant species were based on measurements in 298 vegetation plots throughout the study area, of which 135 were sampled with tame caribou. Species selected by caribou are in bold type.


Forage Class

Scientific Name(s)

Common Name(s)

n*

Ivlev Score*

Mean Intake

Proportion



Selection

PNV§

Arboreal lichen

Alectoria spp.

Witch's hair

34

0.39

0.001

S

1,3,4,2,5,6




Bryoria spp.

Horsehair lichen

68

0.51

0.057

S

1,3,4,2,5,6,7,9




Parmeliaceae family

Various spp.

N/A

N/A

0.017

N

1,3,4,2,5,6,8,9




Usnea spp.

Old man's beard

55

0.20

0.022

N

1,3,4,2,5,6

























Conifer

Abies balsamea

Balsam fir

4

-1.00

0.000

A







Abies lasiocarpa

Subalpine fir

44

-1.00

0.000

A







Larix laricina

Tamarack

8

-0.87

0.000

A

1




Picea mariana

Black spruce

28

-0.93

0.000

A

1




Picea spp. including P. glauca, P. engelmannii, P. glauca x engelmannii

White, Engelmann, and Hybrid white spruce

82

-0.87

0.000

A

3,6,7,8




Pinus contorta

Lodgepole pine

36

-0.94

0.000

A

1,5,6

























Clubmoss

Lycopodium annotinum

Club moss

35

-1.00

0.000

A







Lycopodium complanatum

Club moss

9

-0.81

0.000

A

5,6




Lycopodium obscurum

Club moss

N/A*

N/A*

N/A

A







Lycopodium selago

Club moss

N/A*

N/A*

N/A

A




























Deciduous shrub

Alnus crispa

Green alder

59

0.66

0.183

S

1,4,5,6




Alnus tenuifolia

Mountain alder

8

0.16

0.019

N

1,4,5




Amelanchier alnifolia

Saskatoon, serviceberry

15

0.86

0.003

S

4,5,6




Arctostaphylos rubra

Red bearberry

13

-0.26

0.008

N

1,7,8




Betula glandulosa

Dwarf birch

53

0.40

0.207

S

1,3,4,5,6,7,8,9




Betula papyrifera

Paper birch

31

0.82

0.100

S

1,3,4,2,5,8,9




Cornus stolonifera

Red osier dogwood

7

0.76

0.004

N

4




Lonicera dioica

Mountain honeysuckle

10

0.51

0.000

N

4,5,6




Lonicera involucrata

Twinberry honeysuckle

19

-0.16

0.002

N

5,6




Myrica gale

Sweet Gale

2

-0.64

0.075

A

3,9




Oplopanax horridus

Devil's club

2

0.00

0.000

N

5




Populus balsamifera

Cottonwood

33

0.41

0.005

S

1,3,4,5,6,9




Populus tremuloides

Trembling aspen

48

0.44

0.017

S

1,4,5,6,9




Potentilla fruticosa

Shrubby cinquefoil

6

-0.61

0.000

A

3,8




Rhododendron albiflorum

White-flowered rhododendron

40

-0.30

0.020

A

5,6,7




Ribes lacustre

Black gooseberry

31

-0.41

0.000

A

1,4,5,6




Ribes oxyacanthoides

Northern gooseberry

9

0.03

0.000

N

1,4,5




Ribes spp. including R. glandulosum, hudsonianum, laxiflorum

Currant

34

-0.34

0.000

N

1,4,5,6




Rosa acicularis

Wild rose

55

0.27

0.039

S

1,3,4,5,6




Rubus idaeus

Red raspberry

36

-0.19

0.001

N

1,4,5,6




Rubus parviflorus

Thimbleberry

9

-0.73

0.001

A

5,6




Rubus pubescens

Trailing raspberry

41

-0.66

0.000

A

1,4,5,6,9




Salix reticulata

Net-veined willow

12

-0.82

0.001

A

7,8




Salix spp. ||

Willow

121

0.72

0.179

S||

1,3,4,2,5,6,7,8,9




Sambucus racemosa

Red elderberry

6

-1.00

0.001

A

5




Shepherdia canadensis

Soapberry

27

-0.21

0.001

N

1,4,5,6




Sorbus scopulina

Mountain ash

26

0.13

0.004

N

4,5,6




Spiraea betulifolia

Birch-leaved spiraea

15

-0.13

0.002

N

5,6


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