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The effect of commercial thinning in Scots pine stands on the growth of black cherry Cover

The effect of commercial thinning in Scots pine stands on the growth of black cherry

Folia Forestalia Polonica
Volume 66 (2024): Issue 2 (June 2024)
By: Robert Korzeniewicz,  Bartłomiej Rutkowski,  Wojciech Kowalkowski and  Marlena Baranowska  
Open Access
|Jun 2024

Figures & Tables

Figure 1.

Species composition of the first storey of the studied stands in Paliwodzizna Forestry
Species composition of the first storey of the studied stands in Paliwodzizna Forestry

Figure 2.

Species composition of the second storey of the studied stands in Paliwodzizna Forestry
Species composition of the second storey of the studied stands in Paliwodzizna Forestry

Figure 3.

Comparison of the density of the studied stands in Paliwodzizna Forestry in the first storey (Is) and the second storey (IIs) and the age of the pine trees, D1–D6 – stand number
Comparison of the density of the studied stands in Paliwodzizna Forestry in the first storey (Is) and the second storey (IIs) and the age of the pine trees, D1–D6 – stand number

Figure 4.

Comparison of the average density of black cherry by height class (H1–H3) and origin (F.nr. – natural form, F.ss. – stump sprout), D1–D6 – stand number
Comparison of the average density of black cherry by height class (H1–H3) and origin (F.nr. – natural form, F.ss. – stump sprout), D1–D6 – stand number

Figure 5.

Comparison of average annual ring increment Z¯ {{\rm{\bar Z}}} of black cherry [mm] before thinning (Pre_CT) with average annual increment [mm] 2 years (Post_CT2) and 5 years (Post_CT5) after thinning (letters indicate statistically homogeneous groups)
Comparison of average annual ring increment Z¯ {{\rm{\bar Z}}} of black cherry [mm] before thinning (Pre_CT) with average annual increment [mm] 2 years (Post_CT2) and 5 years (Post_CT5) after thinning (letters indicate statistically homogeneous groups)

Characteristics of annual increments [mm] of black cherry, D1–D6 – sample plots

AreaAge [years]After CT [years]Post CT [years]Diameter of stumps [mm]∑z total increment after CT [mm]∑z total increment post CT [mm] Z¯ {{\rm{\bar Z}}} mean increment [mm] Z¯ {{\rm{\bar Z}}} mean increment after CT [mm] Z¯ {{\rm{\bar Z}}} mean increment post CT [mm]
12345678910
D12220241,437,24,21,881,862,10
D12321254,850,64,22,382,412,10
D11715261,851,010,83,643,405,40
D12119297,892,25,64,664,852,80
D116142104,287,017,26,516,218,60
D11311271,252,818,45,484,809,20
D11715280,066,613,44,714,446,70
D119172100,680,420,25,294,7310,10
D120182136,8115,021,86,846,3910,90
D118162111,692,019,66,205,759,80
D21813560,246,413,83,343,572,76
D2116585,049,235,87,738,207,16
D216115144,870,074,89,056,3614,96
D21914595,657,038,65,034,077,72
D21611594,845,249,65,934,119,92
D2127557,427,829,64,783,975,92
D220155104,279,424,85,215,294,96
D2116565,627,837,85,964,637,56
D2138574,241,033,25,715,136,64
D21712590,653,637,05,334,477,40
D317125104,066,038,06,125,507,60
D316115104,261,642,66,515,608,52
D325205137,894,643,25,514,738,64
D3149575,052,023,05,365,784,60
D320155131,098,232,86,556,556,56
D3116569,632,437,26,335,407,44
D316115112,269,043,27,016,278,64
D31495103,256,846,47,376,319,28
D319145126,690,436,26,666,467,24
D31510581,247,833,45,414,786,68
D41513283,268,414,85,555,267,40
D41917292,077,015,04,844,537,50
D419172107,890,417,45,675,328,70
D417152118,4109,88,66,967,324,30
D424222135,6115,620,05,655,2510,00
D414122107,279,427,87,666,6213,90
D41513289,071,018,05,935,469,00
D41715291,275,016,25,365,008,10
D422202111,892,819,05,084,649,50
D418162128,0110,817,27,116,938,60
D51914586,053,432,64,533,816,52
D5138583,835,248,66,454,409,72
D522175108,075,832,24,914,466,44
D523185113,280,832,44,924,496,48
D524195126,0101,824,25,255,364,84
D5116568,425,043,46,224,178,68
D521165130,298,831,46,206,186,28
D51712591,464,427,05,385,375,40
D5127575,044,830,26,256,406,04
D5138591,251,240,07,026,408,00
D624222126,4112,414,05,275,117,00
D686251,640,411,26,456,735,60
D61311267,257,010,25,175,185,10
D626242155,0143,611,45,965,985,70
D619172110,094,215,85,795,547,90
D61311283,870,413,46,456,406,70
D61715287,470,417,05,144,698,50
D61715285,070,614,45,004,717,20
D619172104,690,414,25,515,327,10
D62220296,683,613,04,394,186,50

Age, age class and timing of commercial thinning on experimental plots in Paliwodzizna Forestry

Area identificatorDivisionAge [years] (age class)Time (T) after commercial thinning (CT) [years] and experiments variants
D1314 i93 (V)2 (Post_CT2)
D2317 i98 (V)5 (Post_CT5)
D3299 a70 (IV)2 (Post_CT2)
D4308 h65 (IV)5 (Post_CT5)
D5314 c43 (III)5 (Post_CT5)
D6312 a55 (III)2 (Post_CT2)

Density of black cherry in height classes (K1-K3) in all sample plots (D1-D6), F_nat_ – natural form, F_odr_ – offshoot stump sprout

AreaK1 [pcs./ha]K2 [pcs./ha]K3 [pcs./ha]Σ [pcs./ha]
F.nat. [h0-0,5m]F.odr. [h0-0,5m]F.nat. [h0,5-1,0m]F.odr. [h0,5-1,0m]F.nat. [h>1,0m]F.odr. [h>1,0m]
12345678
D1
1.460019202720880212032012,560
2.356084072028002805,680
3.116076023203604808405,920
4.3560760100014408401607,760
5.1800128014409207203206,480
Average2936111216407768323847,680
D2
1.440760112080015203605,000
2.1720360560144016807206,480
3.1040360316023201920124010,040
4.1040144012801160128010807,280
5.160360760108017608404,960
Average8806561376136016328486,752
D3
1.36056060036012403203,440
2.11603207208808002404,120
3.6803208403604407603,400
4.44024010402004401602,520
5.3601209602005603602,560
Average6003128324006963683,208
D4
1.12003601400320802,280
2.2402009202805202402,400
3.02805602807202402,080
4.720240100013601203603,800
5.44010003203206802803,040
Average3043446327284722402,720
D5
1.2800280803601601,160
2.8408016020012001,400
3.280044002002801,200
4.120200280806402801,600
5.44024036002001201,360
Average392104304723041681,344
D6
1.2004401608024001,120
2.20028024016080401,000
3.360160280803203201,520
4.440803601604401601,640
5.2800160320280801,120
Average2961922401602721201,280
DOI: https://doi.org/10.2478/ffp-2024-0012 | Journal eISSN: 2199-5907 | Journal ISSN: 0071-6677
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Language: English
Page range: 144 - 154
Submitted on: Mar 8, 2023
Accepted on: Mar 15, 2024
Published on: Jun 15, 2024
Published by: Forest Research Institute
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
invasive species,
understorey,
underplanting under forest canopy,
intermediate cutting
Related subjects:
Life sciences,
Plant science,
Medicine,
Veterinary medicine

© 2024 Robert Korzeniewicz, Bartłomiej Rutkowski, Wojciech Kowalkowski, Marlena Baranowska, published by Forest Research Institute
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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