Figure 1.
Figure 2.
Figure 3.
Figure 4.
Characteristics of the sap flow dynamics for the minimum and maximum temperatures for the examined trees in particular years
| No. tree | Year | Tmin (CF/1°C) CF | Tmax (CF/1°C) CF | CF/1°C max (T) CF | Rccc |
|---|---|---|---|---|---|
| Tree 1 | 2019 | −5.80 (5.80) 93.54 | 28.46 (3.97) 319.69 | 7.53 (8.28) 191.55 | 0.963 |
| 2020 | −2.48 (3.68) 136.13 | 24.49 (5.44) 326.99 | 8.38 (12.57) 238.77 | 0.964 | |
| 2021 | −15.79 (2.42) 48.91 | 25.46 (0.00) 254.14 | 7.07 (2.33) 160.33 | 0.956 | |
| Tree 2 | 2019 | −6.43 (2.27) 88.81 | 28.84 (2.03) 219.40 | 4.48 (10.75) 153.13 | 0.911 |
| 2020 | −2.72 (2.60) 106.99 | 24.47 (1.85) 230.23 | 5.70 (10.14) 166.97 | 0.892 | |
| 2021 | −16.97 (0.00) 55.31 | 25.55 (0.74) 241.98 | 6.50 (5.22) 179.83 | 0.903 | |
| Tree 3 | 2019 | −6.34 (7.66) 64.59 | 28.72 (11.09) 252.29 | 8.69 (3.22) 135.27 | 0.672 |
| 2020 | −1.88 (2.34) 100.90 | 24.10 (4.66) 225.67 | 5.63 (14.96) 177.20 | 0.775 | |
| 2021 | −15.93 (5.37) 30.58 | 25.81 (4.77) 285.62 | 5.58 (18.72) 236.75 | 0.898 | |
| Tree 4 | 2019 | −6.30 (4.44) 97.59 | 28.63 (4.37) 257.79 | 4.68 (10.03) 172.70 | 0.900 |
| 2020 | −1.80 (3.75) 120.01 | 24.02 (0.00) 209.47 | 4.89 (6.20) 156.08 | 0.852 | |
| 2021 | −15.05 (0.62) 60.15 | 25.53 (1.24) 276.82 | 7.55 (5.72) 168.93 | 0.890 | |
| All | All | −16.09 (0.00) 75.37 | 31.81 (0.00) 266.69 | 6.12 (8.36) 171.03 | 0.913 |
Dendrometric data and defoliation results of the studied trees during the research period, and location of the analysed trees in Kampinos National Park
| Designation of the examined tree | 1 | 2 | 3 | 4 | |
|---|---|---|---|---|---|
| Height | 22.5 | 25.5 | 34.5 | 32 | |
| Diameter at breast height (DBH) [cm] | 60.5 | 45.9 | 81.5 | 62.7 | |
| Defoliation (%) | 2019 | 30 | 30 | 50 | 40 |
| 2022 | 40 | 30 | 70 | 40 | |
| Average number of grades of needles in 2019–2022 | 2 | 2–2.5 | 1 | 2–2.5 | |
| Geographical coordinates (WGS84) | north | 52.336661 | 52.335374 | 52.363492 | 52.357919 |
| east | 20.773351 | 20.778967 | 20.544093 | 50.541685 | |