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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).
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