Skip to main content

Table 1 Characteristics of the sampled populations and sample sizes

From: Genetic structure and seed-mediated dispersal rates of an endangered shrub in a fragmented landscape: a case study for Juniperus communis in northwestern Europe

Northwestern European J. communis populations

Country

Population

Code

Nc

Area (ha)

Density (N /ha)

No. of shrubs sampled for seed cones

No. of individuals sampled for AFLP

No. of unique genotypes

Belgium

Cour

Cou

55

1

55

6

9

9

Belgium

Heiderbos*

Hei

6874

10

687

27

31

30

Belgium

Resteigne

Res

386

8

48

17

24

24

France

Cocquerel

Coc

1823

4

456

11

19

18

France

Grattepanche

Gra

1108

5

222

18

32

32

Germany

Hühnermoor

Hue

425

6.6

64

22

34

33

Germany

Ecksberg

Eck

50

0.5

100

9

12

12

Germany

Meenser Heide

Mee

60

1.5

40

7

14

14

Germany

Weinberg

Wei

47

1

47

10

13

12

The Netherlands

Boshuizerbergen

Bos

4500

10

450

21

35

35

The Netherlands

Kootwijkerzand

Koo

250

6

42

10

14

12

The Netherlands

Loenen

Loe

200

33.8

6

10

21

21

The Netherlands

Mantingerzand

Man

5000

77

65

18

34

34

Total

     

186

292

286

Flemish J. communis locations

Country

Population /Location

Code

Nc

Area (ha)

Density (N /ha)

 

No. of individuals sampled for AFLP

No. of unique genotypes

Belgium

Heiderbos*

Hei

6874

10

687

 

57

57

Belgium

Kattevennen

Kat

820

12.9

68

 

26

26

Belgium

Hesselberg

Hes

129

4.8

269

 

27

26

Belgium

Spiekelspade

Sp

38

   

4

4

Belgium

Het Laer

La

26

   

10

10

Belgium

Melberg

Mel

26

   

8

8

Belgium

Turfven

Tu

24

   

1

1

Belgium

Kamert

Ka

21

   

6

6

Belgium

Olenderheibos

Ol

13

   

6

6

Belgium

Zillebos

Zi

9

   

5

5

Belgium

Heesakkerheide

He

8

   

2

2

Belgium

Kruisheirenklooster

Kr

8

   

2

2

Belgium

Zutendaal

Zu

6

   

2

2

Belgium

Sintmartensberg

Si

5

   

2

2

Belgium

Bergbos

Be

4

   

1

1

Belgium

Brand

Br

4

   

2

2

Belgium

De Maten

Ma

4

   

2

2

Belgium

Gebrande heide

Ge

4

   

1

1

Belgium

Ganzeven

Ga

3

   

1

1

Belgium

Pijnven Lommel

Lo

3

   

2

2

Belgium

Kelchterhoeve

Ke

2

   

2

2

Belgium

Meibos

Mei

2

   

2

2

Belgium

Pijnven Hechtel

Hec

2

   

1

1

Belgium

De Teut

Te

1

   

1

1

Belgium

Grote Heide

Gr

1

   

1

1

Belgium

Hoogzij

Ho

1

   

1

1

Belgium

Laambeekvallei

La

1

   

1

1

Belgium

Lietenberg

Li

1

   

1

1

Belgium

Sonnis

So

1

   

1

1

Belgium

Stalkerheide

Sta

1

   

1

1

Belgium

Steleven

Ste

1

   

1

1

Belgium

Turnhout

Tur

1

   

1

1

Total

     

181

180

  1. Nc: estimated census population size, Area (ha): area covered by the population, Density: estimated population density. * The Flemish population Heiderbos was analysed twice (in 2005 for the sampling on the northwestern European scale and in 2008 for the sampling on the Flemish scale).