Table S1. Sampling sites and forest vegetation association. For explanation of the site age, soil water availability and soil nutrients status classes see “Material and Methods” section.

Site no. / Locality, forest site name / Forest vegetation association* / Latitude / Longitude / Sample date / Site age
(classes) / Soil type / Soil water availability
(classes) / Soil nutrient availability
(classes)
1 / Windesheim, Boerwetering /
Fageto-Alnetum
/ N52° 26' 58" / E6° 6' 28" / 06 Febr. 2000 / 2 / clay / 3 / 4
2 / Dronten, Roggebotzand / Empetro-Pinetum / N52° 32' 59" / E5° 48' 0" / 01 March 2000 / 1 / sand / 2 / 1
3 / Eibergen, Zwilbroek / Periclymeno-Betuletum pubescentis / N52° 3' 29" / E6° 40' 13" / 16 March 1999 / 5 / sand / 3 / 4
4 / Winterswijk, Bekendelle / Stellario-Carpinetum / N51° 56' 28" / E6° 41' 46" / 16 March 1999 / 5 / sand / 4 / 4
5 / Amsterdam, Amsterdamse Bos /
Populetum
/ N52° 19' 28" / E4° 50' 40" / 15 August 2000 / 1 / sand / 3 / 4
6 / Brouwershaven, Schuddebeurs / Violo odoratae-Ulmetum / N51° 40' 11" / E3° 56' 29" / 08 March 2000 / 3 / clay / 2 / 4
7 / Heinkenszand, Landlust / Fraxino-Ulmetum / N51° 28' 13" / E3° 49' 6" / 08 March 2000 / 3 / clay / 3 / 4
8 / Zoutelande, Zeereep / Violo odoratae-Ulmetum / N51° 29' 1" / E3° 30' 4" / 08 March 2000 / 3 / clay / 2 / 4
9 / Domburg, Manteling van Wacheren. / Convallario-Quercutum / N51° 33' 53" / E3° 30' 43" / 08 March 2000 / 3 / sand / 2 / 2
10 / Westvoorne, Quackjeswater / Crataego-Betuletum / N51° 51' 4" / E4° 4' 51" / 08 March 2000 / 3 / sand / 2 / 4
11 / Diemen, Vijfhoek / Salicetum albae / N52° 20' 35" / E5° 0' 20" / 19 March 2000 / 1 / clay / 5 / 5
12 / Rhenen, Grebbeberg / Violo odoratae-Ulmetum / N51° 56' 53" / E5° 35' 27" / 04 April 2000 / 4 / sand / 2 / 4
13 / Amerongen, Bovenpolder / Betulo-Quercetum roboris / N51° 59' 36" / E5° 27' 36" / 04 April 2000 / 4 / sand / 3 / 2
14 / Heemskerk, Berenweide / Fago-Quercetum petraeae / N52° 30' 43" / E4° 37' 16" / 12 April 2000 / 3 / sand / 2 / 2
15 / Heemskerk, Berenweide / Convallario-Quercutum / N52° 30' 43" / E4° 37' 16" / 12 April 2000 / 3 / sand / 2 / 2
16 / Heemskerk, Berenweide / Empetro-Pinetum / N52° 30' 43" / E4° 37' 16" / 12 April 2000 / 3 / sand / 2 / 1
17 / Balk, Starnumanbosschen / Betulo-Quercetum molinietosum / N52° 52' 58" / E5° 33' 2" / 24 April 2000 / 4 / sand / 4 / 2
18 / Ede, Edese bos / Melico-Fagetum / N52° 2' 49" / E5° 39' 51" / 25 April 2000 / 4 / sand / 3 / 4
19 / Tubbergen, Moosbeek / Fago-Quercetum molinietosum / N52° 26' 33" / E6° 51' 28" / 26 April 2000 / 5 / sand / 4 / 2
20 / Tubbergen, Weersink / Melico-Fagetum / N52° 26' 1" / E6° 51' 27" / 26 April 2000 / 5 / sand / 3 / 4
21 / Ootmarsum, Agelerbroek / Carici elongatae-Alnetum / N52° 22' 44" / E6° 54' 52" / 26 April 2000 / 5 / sand / 5 / 3
22 / Oldenzaal, Boerskotten / Fago-Quercetum molinietosum / N52° 17' 51" / E6° 57' 21" / 26 April 2000 / 5 / sand / 4 / 2
23 / Saasveld, Molenven / Betulo-Quercetum molinietosum / N52° 19' 3" / E6° 46' 49" / 26 April 2000 / 5 / sand / 4 / 2
24 / Prinsenbeek, Liesbos / Fago-Quercetum molinietosum / N51° 34' 40" / E4° 41' 41" / 24 May 2000 / 4 / sand / 4 / 2
25 / Prinsenbeek, Liesbos / Luzulo-Fagetum / N51° 34' 40" / E4° 41' 41" / 24 May 2000 / 4 / sand / 3 / 2
26 / Ulvenhout, Ulvenhoutse Bos / Filipendulo-Alnetum / N51° 33' 5" / E4° 47' 45" / 24 May 2000 / 4 / sand / 4 / 3
27 / Ulvenhout, Ulvenhoutse Bos / Pruno-Fraxinetum / N51° 33' 5" / E4° 47' 45" / 24 May 2000 / 4 / sand / 4 / 3
28 / St. Oederode, De Geelders / Betulo-Quercetum roboris / N51° 35' 20" / E5° 22' 22" / 24 May 2000 / 4 / sand / 4 / 2
29 / St. Oederode, De Geelders / Stellario-Carpinetum / N51° 35' 20" / E5° 22' 22" / 24 May 2000 / 4 / sand / 3 / 4
30 / Naarden, Naardermeer / Thelypterido-Alnetum / N52° 16' 18" / E5° 7' 24" / 29 May 2000 / 4 / sand / 5 / 4
31 / Naarden, Naardermeer / Alno-Betuletum / N52° 16' 18" / E5° 7' 24" / 29 May 2000 / 2 / sand / 5 / 2
32 / Heythuysen, Leudal / Carici laevigatae-Alnetum / N51° 14' 45" / E5° 57' 36" / 02 June 2000 / 5 / clay / 5 / 2
33 / Bergen, Bergerbosch / Cladonio-Pinetum / N52° 40' 27" / E4° 40' 39" / 04 July 2000 / 3 / sand / 1 / 1
34 / Bergen, Guurtjeslaan / Leucobryo-Pinetum / N52° 40' 27" / E4° 39' 45" / 04 July 2000 / 3 / sand / 2 / 1
35 / Bergen, Guurtjeslaan / Betulo-Quercetum roboris / N52° 40' 27" / E4° 39' 45" / 04 July 2000 / 3 / sand / 2 / 2
36 / Hilversum, Spanderswoud /
Querceto-carpinetum
/ N52° 14' 41" / E5° 8' 17" / 09 July 2000 / 4 / sand / 2 / 2
37 / Hilversum, Spanderswoud / Empetro-Pinetum / N52° 14' 8" / E5° 8' 18" / 09 July 2000 / 4 / sand / 2 / 1
38 / Waardenburg, Uiterwaarde / Salicetum albae / N51° 49' 21" / E5° 14' 31" / 28 August 2000 / 2 / clay / 5 / 5
39 / Ubbergen, Duivelsberg / Fago-Quercetum petraeae / N51° 49' 16" / E5° 56' 18" / 28 August 2000 / 4 / clay / 3 / 2
40 / Rheden, Posbank / Empetro-Betuletum / N52° 1' 7" / E6° 1' 41" / 28 August 2000 / 4 / clay / 3 / 1
41 / Brummen, Leusveld / Quercetum roboris / N52° 5' 56" / E6° 7' 1." / 28 August 2000 / 4 / clay / 4 / 3

*Note: The names of vegetation associations given in italics are not distinguished by van der Werf (1991), but are the secondary variants of natural forest vegetation associations.

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