
Figure 1
Sum of temperatures above 10ºC and the quality classes of Scots pine stands in the latitudinal gradient (according to Volosevich 1984). * – numbers indicate relative values (latitudinal growth coefficient), the columns – the sum of the temperatures above 10ºC, the line – the quality classes

Figure 2
Growth of Scots pine provenances in 31-year-old provenance tests in the Arkhangelsk and Vologda regions: the up arrow shows the progenies transfer direction from the original stands to the test plots from north to south (imitation of warming). The down arrow indicates transfer from the south to the north (imitation of cooling); provenance numbers according to Table 1
Table 1
Provenance locations and characteristics in the test plots in Arkhangelsk and Vologda regions
| No1 | Location | Forest vegetation subzone, zone2 | Latitude (N) | Temperature sum above 10°C | Height [m] | Diameter DBH [cm] | with Number female of trees cone3 [%] |
|---|---|---|---|---|---|---|---|
| Arkhangelsk region | |||||||
| 1 | Murmansk, Monchegorskii | NT2) | 67°51’ | 991 | 7.1 | 9.1 | 60.14 |
| 2 | Murmansk, Kandalakshskii | NT | 67°00’ | 966 | 11.0 | 10.9 | 55.3 |
| 3 | Arkhangelsk, Pinezskii | NT | 64°45’ | 1029 | 11.0 | 10.6 | 23.4 |
| 4 | Arkhangelsk, Plesetskii | MT | 62°54’ | 1230 | 11.1 | 12.0 | 16.1 |
| 9 | Vologda, Totemskii | MT | 60°00’ | 1463 | 11.1 | 11.6 | 0.0 |
| 12 | Karelia, Chupinskii | NT | 66°22’ | 1463 | 10.8 | 9.9 | 23.4 |
| 14 | Karelia, Medvezhiegorsky | MT | 62°54’ | 1233 | 12.2 | 12.8 | 16.1 |
| 15 | Karelia, Pryazhinskii | MT | 61°40’ | 1318 | 12. 1 | 12.2 | 0.0 |
| 16 | Karelia, Sortavalskii | MT | 61°50’ | 1530 | 11.7 | 11.2 | 0.0 |
| 17 | Karelia, Pudozhskii | MT | 61°40’ | 1436 | 12.3 | 12.9 | 0.0 |
| Vologda region | |||||||
|---|---|---|---|---|---|---|---|
| 4 | Arkhangelsk, Plesetskii | MT | 62°54’ | 1230 | 13.0 | 11.1 | 17.75 |
| 8 | Vologda, Cherepovetskii | ST | 59°07’ | 1613 | 12.6 | 10.5 | 6.1 |
| 9 | Vologda, Totemskii | MT | 60°00’ | 1463 | 12.5 | 10.5 | 6.7 |
| 14 | Karelia, Medvezhiegorskii | MT | 62°54’ | 1233 | 12.6 | 11.3 | 33.6 |
| 16 | Karelia, Sortavalskii | MT | 61°50’ | 1530 | 13.7 | 11.2 | 25.8 |
| 17 | Karelia, Pudozhskii | MT | 61°40’ | 1436 | 13.1 | 10.5 | 31.4 |
| 19 | Leningrad, Lisinskii | ST | 60°00’ | 1689 | 14.8 | 13.2 | 4.8 |
| 22 | Pskov, Pskovskii | MF | 57°50’ | 1760 | 13.0 | 10.8 | 0.0 |
| 23 | Novgorod, Krestetskii | MF | 58°15’ | 1754 | 12.0 | 10.5 | 0.0 |
| 24 | Estonia, Alsaceskii | MF | 58°10’ | 1767 | 12.0 | 10.0 | 0.0 |
| 42 | Tver, Bezhetskii | ST | 57°45’ | 1813 | 14.0 | 12.0 | 7.0 |
| 47 | Kostroma, Manturovskii | ST | 58°30’ | 1739 | 14.2 | 12.5 | 1.9 |
| 48 | Kostroma, Kostromskoi | ST | 57°50’ | 1828 | 13.2 | 11.3 | 3.8 |
[i] 1 provenance numbers according to State Registry; 2 by S.F. Kurnaev (1973): NT – northern taiga. MT – middle taiga. ST– southern taiga. MF – mixed forest; 3 The maximum number of seed-bearing trees in the period of 9 years; 4 by E.N. Nakvasina, T.V. Bedritskaya. (1999); 5 by N.V. Ulyssova (1990).
Table 2
Correlation between the height and diameter of pine provenances and northern latitude and the sum of temperatures above 10°C in the places of growth of the original stands
| Parameters | Arkhangelsk region | Vologda region | ||
|---|---|---|---|---|
| height [m] | diameter [cm] | height [m] | diameter [cm] | |
| Latitude (N) | –0.694* | –0.773*** | –0.031 | –0.013 |
| Temperatures sum above 10°C | 0.578 | 0.632* | 0.238 | 0.168 |

Figure 3
Dependence of Scots pine height and diameter deviation from deviation in northern latitude and temperature sum above 10°C in test plots in Arkhangelsk and Vologda regions

Figure 4
Relationship between deviation in the number of trees with female cone with deviations of the northern latitude and the sum of temperatures above 10°C in the provenance tests in Arkhangelsk and Vologda regions
Table 3
Correlation between deviations of the actual and estimated height and diameter of pine provenances and deviations of northern latitude and the sum of temperatures above 10°C of original stands from test plots
| Parameters | Arkhangelsk region | Vologda region | ||
|---|---|---|---|---|
| height deviation2 [m] | diameter deviation [cm] | height deviation [m] | diameter deviation [cm] | |
| Latitude deviation(1 N) | –0.918*** | –0.952*** | –0.759** | –0.644* |
| Temperature sum above 10°C deviation1 | 0.858*** | 0.895*** | 0.598 | 0.506 |
[i] 1 deviations of parameters (northern latitude and temperature sum above 10°C) in the original stands from the test plots; 2 deviations of the actual height and diameter in test plots from calculated values in the original stands. *** significant at 0.1% level, ** significant at 1% level, * significant at 5% level.