Table 1

Table 1. The six study areas in the Bavarian Alps from west to east (compare with Fig. 1).

Study area

Size
(ha)

Total plots^a

Capercaillie
abundance^b
(%) [no. plots]

Altitude
range
(m)

Forest
5 km ^c
(%)

Forest
10 km ^d
(%)

Mean cluster^e
(no. plots)

Bilberry cover
mean ± 1 SD
(%)

1

Grosser Wald

1800

435

3.0 [13]

950–1700

74

48

0.64

17 ± 21

2

Trauchberg

1800

448

1.8 [8]

850–1600

95

76

0.00

7 ± 13

3

Estergebirge

2800

690

6.4 [44]

900–1800

93

85

1.09

11 ± 11

4

Dalsen

1200

291

2.3 [5]

650–1600

63

52

0.00

2 ± 7

5

Seegatterl

2900

642

3.7 [24]

700–1600

69

78

1.21

9 ± 15

6

Teisenberg

1900

467

9.2 [43]

700–1350

93

62

1.68

8 ± 15

^a Number of sample plots per study area.

^b Index; Percentage of sample plots [n] with Capercaillie sign.

^c Landscape variable FOREST5KM; percentage of forest cover in a 5 km radius circle around the center of the study area.

^d Landscape variable FOREST10KM; percentage of forest cover in a 10 km radius circle around the center of the study area.

^e Landscape variable HSI1NN; mean number of plots in each cluster of adjacent sample plots with HSI_yearscores ≥0.8.



Study area		Size (ha)	Total plots^a	Capercaillie abundance^b (%) [no. plots]	Altitude range (m)	Forest 5 km ^c (%)	Forest 10 km ^d (%)	Mean cluster^e (no. plots)	Bilberry cover mean ± 1 SD (%)



1	Grosser Wald	1800	435	3.0 [13]	950–1700	74	48	0.64	17 ± 21
2	Trauchberg	1800	448	1.8 [8]	850–1600	95	76	0.00	7 ± 13
3	Estergebirge	2800	690	6.4 [44]	900–1800	93	85	1.09	11 ± 11
4	Dalsen	1200	291	2.3 [5]	650–1600	63	52	0.00	2 ± 7
5	Seegatterl	2900	642	3.7 [24]	700–1600	69	78	1.21	9 ± 15
6	Teisenberg	1900	467	9.2 [43]	700–1350	93	62	1.68	8 ± 15