Table 1 Summary of the main characteristics of the forests and the trends presented by NEP, GPP, Re, and maximum LAI.

From: Atmospheric deposition, CO2, and change in the land carbon sink

Forest Code Climate Forest Type Age Maturity Age Corrected Mat. Age Initial year Finalyear Y NEP TS Trend P GPP TS Trend P Re TS Trend P LAITS Trend P
Brasschaat1 BE-Bra Temp M 80 90 0.89 1997 2011 14 17.5 ± 7.5 0.0773 21.4 ± 13.9 0.0313 9.7 ± 19.8 0.2556 0.000 ± 0.008 0.6329
Castelporziano2 IT-Cpz Temp EB 61 75 0.81 1997 2008 10 2.8 ± 6.9 0.3603 −12.8 ± 16.9 0.7629 −22.1 ± 12.8 0.8145 0.100 ± 0.010 0.0173
Collelongo3 IT-Col Temp DB 118 95 1.24 1997 2012 12 4.1 ± 9.6 0.2686 16.8 ± 11.9 0.1219 8.5 ± 6.4 0.0574 −0.014 ± 0.015 0.8299
Hainich4 DE-Hai Temp DB 275 95 2.89 2000 2012 13 −7.3 ± 4.6 0.9197 −11.2 ± 7.3 0.8502 −6.3 ± 5.9 0.7489 0.047 ± 0.018 0.0466
Harvard5 US-Ha1 Temp DB 81 75 1.07 1992 2011 20 12.6 ± 5.9 0.0372 34.7 ± 5.1 <0.0001 20.2 ± 9.6 0.0075 0.000 ± 0.005 0.6539
Hesse6 FR-Hes Temp DB 43 95 0.45 1996 2010 15 26.4 ± 11.0 0.0374 18.3 ± 15.4 0.1381 0.5 ± 15.3 0.5000 0.017 ± 0.007 0.2737
Howland MT7 US-Ho1 Temp EC 109 90 1.21 1996 2008 13 6.5 ± 2.8 0.0293 −5.8 ± 7.5 0.7489 −16.2 ± 7.2 0.9364 −0.050 ± 0.008 0.9934
Howland F7 US-Ho2 Temp EC 109 90 1.21 1999 2009 11 5.4 ± 4.8 0.1751 7.7 ± 8.2 0.2667 2.6 ± 11.0 0.3202 −0.025 ± 0.011 0.7621
Hyytiala8 FI-Hyy Bor EC 47 90 0.52 1997 2012 16 6.2 ± 2.5 0.0172 14.7 ± 4.0 0.0017 10.4 ± 3.5 0.0051 0.000 ± 0.004 0.5201
Lavarone9 IT-Lav Temp EC 120 90 1.33 2003 2012 10 41.8 ± 10.3 0.0100 37.2 ± 12.8 0.0159 −2.7 ± 5.1 0.7042 0.114 ± 0.022 0.1008
Le Bray10 FR-LBr Temp EC 38 90 0.42 1997 2008 11 7.2 ± 18.8 0.4381 10.8 ± 25.6 0.3777 −18.3 ± 12.6 0.8935 −0.033 ± 0.014 0.8465
Loobos11 NL-Loo Temp EC 88 90 0.98 1997 2012 16 21.5 ± 4.9 0.0009 −6.0 ± 4.2 0.9186 −27.1 ± 5.9 0.9991 −0.017 ± 0.008 0.6559
Metolius12 US-Me2 Temp EC 64 90 0.71 2002 2012 11 13.4 ± 9.8 0.1379 29.0 ± 13.7 0.0806 10.6 ± 13.4 0.2667 0.156 ± 0.028 0.0866
Morgan Monroe7 US-MMS Temp DB 70 75 0.93 1999 2013 15 −2.6 ± 3.9 0.8619 −1.8 ± 5.5 0.6897 0.7 ± 5.0 0.5000 −0.041 ± 0.009 0.8677
Niwot ridge13 US-NR1 Bor EC 98 90 1.09 1999 2010 12 1.9 ± 2.8 0.4185 −0.1 ± 3.4 0.5000 −1.3 ± 2.3 0.6341 0.060 ± 0.005 0.0166
Park Falls14 US-PFa Temp DB 44 65 0.68 1997 2013 16 9.6 ± 3.7 0.0172 0.1 ± 4.3 0.4820 −12.1 ± 6.2 0.9425 −0.008 ± 0.008 0.5873
Puechabon2 FR-Pue Temp EB 66 75 0.88 2001 2013 13 −10.3 ± 6.6 0.9197 −28.4 ± 13.3 0.9502 −18.5 ± 8.7 0.9880 0.114 ± 0.014 0.0108
Renon15 IT-Ren Bor EC 90 75 1.20 1998 2011 13 37.9 ± 5.3 0.0001 51.9 ± 8.7 0.0006 10.2 ± 6.3 0.0636 0.030 ± 0.007 0.1202
Sodankyla16 FI-Sod Bor EC 75 90 0.83 2000 2012 13 −0.2 ± 1.6 0.5000 −2.8 ± 7.1 0.5243 0.6 ± 6.8 0.4757 0.047 ± 0.005 0.1346
Soroe17 DK-Sor Temp DB 78 95 0.82 1997 2009 13 27.3 ± 4.8 0.0004 22.9 ± 8.4 0.0164 −0.2 ± 8.8 0.5000 −0.017 ± 0.007 0.7336
Tharandt18 DE-Tha Temp EC 117 90 1.30 1997 2013 17 −1.2 ± 3.6 0.6446 16.1 ± 8.3 0.0383 20.4 ± 6.7 0.0178 −0.025 ± 0.014 0.6730
UMBS19 US-UMB Temp DB 79 65 1.22 1999 2012 14 5.4 ± 3.1 0.0080 −3.5 ± 5.4 0.7444 −10.4 ± 4.5 0.9373 0.058 ± 0.005 0.0017
Vielsalm20 BE-Vie Temp M 83 95 0.87 1996 2008 13 17.0 ± 6.9 0.0062 15.1 ± 6.8 0.0120 −0.3 ± 7.2 0.5243 0.2330