Comparison between the productivity of pure and mixed stands of Norway spruce and European beech along an ecological gradient

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Table S1

Overview on the 23 mixed Norway spruce-European beech observation plots included in this analysis. Explanation of variables: In the column age span the lowest and highest ages for Norway spruce are listed. The age of European beech can deviate from that by some 5–10 y. For explanation of eco-regions see Arbeitskreis Standortskartierung (1985).

Experimental	Age span (y)	Geographic position		Eco-region	Elevation	Mean annual	Annual	Substrate
location		N-longitude	E-latitude		a. s. l. (m)	Temperature (°C)	Precipitation
							(mm y⁻¹)
Murten 020, 041	34–98	46° 55′–46° 56′	7° 09′–7° 10′	Prévondavaux	520–580	7.9–8.5	845–1.028	Loam, sea molasse
Galmwald 21	34–111	46° 54′	7° 10′–7° 11′	Jeuseck, Galm	580–590	7.9–8.5	845–1.028	Loam, sea molasse
Schongau814	45–120	47° 31′–47° 32′	10° 28′–10° 31′	Kalkalpine Jungmoräne	785–800	6.8	1.114	Loam, pleistocene
Denklingen 43	71–76	47° 54′	10° 47′	Kalkalpine Jungmoräne	740	6.8	1.100	Loam, brash
Freising 813	37–120	48° 14′–48° 30′	11° 23′–11° 31′	Bay. Tertiär-Hügelland	480–515	7.7	814	Loess, molasse
Ehingen 51	34–39	48° 16′	9° 37′	Schwäbische Alb	635	7.7–8.0	850–900	Marl lime, jurassic
Geislingen 76	27–48	48° 36′	9° 52′	Schwäbische Alb	650	6.8	1.050	Marl silt, jurassic
Zwiesel 111	59–107	49° 04′	13° 18′	Innerer Bay. Wald	760	6.2	1.270	Loam, granite
Zwiesel 134	74–93	49° 04′	13° 15′	Innerer Bay. Wald	710	5.9	1.200	Loam, granite
Zwiesel 135	57–76	49° 04′	13° 15′	Innerer Bayer. Wald	700	5.9	1,200	Loam, granite
Morbach 1501	80–97	49° 51′	7° 08′	Hunsrück	640	6.5	950	Loamy sand, quartzite
Mitterteich 101	57–123	49° 57′	12° 09′	Basaltgebiet Mitterteich	640–650	5.5	900	Loam, basalt
Daun 1206, 1207	32–72	50° 18′	7° 01′	Östliche Hocheifel	445	7.0	750	Para-brown soil, greywacke
Dillenburg 91/92/93	40–56	50° 44′	08° 17′	Westerwald	238	8.2	750	Sandy loam, greywacke
Zobten 39	72–82	50° 54′	16° 45′	Schlesisches Bergland	150	7.5	700–800	Loess-loam, over granite
Uslar 57	48–119	51° 38′	09° 42′	Solling	340	8.2	770–800	Sandy loam, sand stone
Kupferhütte 11	97–107	51° 38′	10° 27′	Oberharz	350	7.5	950	Stonyloam, greywacke
Wieda 114	46–103	51° 38′	10° 34′	Südlicher Mittelharz	480	6.0	1.150	Loam, schist
Neuenheerse 106	59–70	51° 40′	08° 59′	Rothaargebirge	282	8.0	725–1.000	Loamy sand, sand stone
Knobben 44	69–112	51° 41′	09° 36′	Solling	257	8.2	770-800	Sandy loam, sand stone