W.D. Johnstone (emeritus scientist) F. J. van Thienen (retired) Presented by G. Harper (Research...
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Transcript of W.D. Johnstone (emeritus scientist) F. J. van Thienen (retired) Presented by G. Harper (Research...
![Page 1: W.D. Johnstone (emeritus scientist) F. J. van Thienen (retired) Presented by G. Harper (Research Scientist, FPIB, MoFML) 1.](https://reader036.fdocuments.net/reader036/viewer/2022070308/551c2f58550346a84f8b629c/html5/thumbnails/1.jpg)
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The Effects of Plantation Density on the Growth of Lodgepole Pine: 20
year Results
W.D. Johnstone (emeritus scientist)F. J. van Thienen (retired)
Presented by G. Harper (Research Scientist, FPIB, MoFML)
![Page 2: W.D. Johnstone (emeritus scientist) F. J. van Thienen (retired) Presented by G. Harper (Research Scientist, FPIB, MoFML) 1.](https://reader036.fdocuments.net/reader036/viewer/2022070308/551c2f58550346a84f8b629c/html5/thumbnails/2.jpg)
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EP 964
-What is the optimum pine management regime?
-Species espacement (planting density) trial :
-26 installations -(Pl, Sx/Sw, Lw, Fdi)
-Planted @ 500, 1000, 1500, 2000, 2500 sph
-144 trees /plot x 3 reps / site (CRBD)
![Page 3: W.D. Johnstone (emeritus scientist) F. J. van Thienen (retired) Presented by G. Harper (Research Scientist, FPIB, MoFML) 1.](https://reader036.fdocuments.net/reader036/viewer/2022070308/551c2f58550346a84f8b629c/html5/thumbnails/3.jpg)
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Treatmentnumber
Treatment(trees/ha)
Intertreedistance (m)
Plot size (ha)
1 500 4.47 0.2420
2 1000 3.16 0.1210
3 1500 2.58 0.0807
4 2000 2.24 0.0605
5 2500 2.00 0.0484
![Page 4: W.D. Johnstone (emeritus scientist) F. J. van Thienen (retired) Presented by G. Harper (Research Scientist, FPIB, MoFML) 1.](https://reader036.fdocuments.net/reader036/viewer/2022070308/551c2f58550346a84f8b629c/html5/thumbnails/4.jpg)
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Lodgepole pine
12 sites total
Only 5 - 20 years old ( )
Example: 20 years after
establishment at Crow Creek –
964.06
![Page 5: W.D. Johnstone (emeritus scientist) F. J. van Thienen (retired) Presented by G. Harper (Research Scientist, FPIB, MoFML) 1.](https://reader036.fdocuments.net/reader036/viewer/2022070308/551c2f58550346a84f8b629c/html5/thumbnails/5.jpg)
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EP 964.06 – Lodgepole pineCrow Creek - Nadina Forest District
SBS mc2 / 01 (Sx, Pl, Bl)
970 m elevation
Lodgepole pine planted 1987
Fill planted mortality (88-91)
Brushed & ingress removed
1997
5-20 year data (1992, 1997, 2001, 2006)
Johnstone and van Thienen (2011, in press)
![Page 6: W.D. Johnstone (emeritus scientist) F. J. van Thienen (retired) Presented by G. Harper (Research Scientist, FPIB, MoFML) 1.](https://reader036.fdocuments.net/reader036/viewer/2022070308/551c2f58550346a84f8b629c/html5/thumbnails/6.jpg)
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EP 964.06 – Lodgepole pine- diameter growth
0 5 10 15 200
5
10
15
500 tph
1000 tph
1500 tpht
2000 tph
2500 tph
Years after planting
Arit
hmet
ic m
ean
dbh
(cm
)
Johnstone and van Thienen (2011, in press)
![Page 7: W.D. Johnstone (emeritus scientist) F. J. van Thienen (retired) Presented by G. Harper (Research Scientist, FPIB, MoFML) 1.](https://reader036.fdocuments.net/reader036/viewer/2022070308/551c2f58550346a84f8b629c/html5/thumbnails/7.jpg)
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EP 964.06 – Lodgepole pine- height growth
0 5 10 15 200
5
10
500 tph
1000 tph
1500 tph
2000 tph
2500 tph
Years after planting
Mea
n he
ight
(m
)
500 tphJohnstone and van Thienen (2011, in press)
![Page 8: W.D. Johnstone (emeritus scientist) F. J. van Thienen (retired) Presented by G. Harper (Research Scientist, FPIB, MoFML) 1.](https://reader036.fdocuments.net/reader036/viewer/2022070308/551c2f58550346a84f8b629c/html5/thumbnails/8.jpg)
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EP 964.06 – Lodgepole pine
Individual tree total volume Stand total volume
Series10
20
40
60
80
100
500 tph
1000 tph
1500 tph
2000 tph
2500 tph
To
tal v
olu
me
(d
m3
)/tr
ee
Series10
20
40
60
80
100
500 tph
1000 tph
1500 tph
2000 tph
2500 tph
Tot
al v
olum
e (m
3/ha
)
Johnstone and van Thienen (2011, in press)
![Page 9: W.D. Johnstone (emeritus scientist) F. J. van Thienen (retired) Presented by G. Harper (Research Scientist, FPIB, MoFML) 1.](https://reader036.fdocuments.net/reader036/viewer/2022070308/551c2f58550346a84f8b629c/html5/thumbnails/9.jpg)
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EP 964.06 – Lodgepole pine
Installation # 6 (Nadina)
Effects of espacement after 20 years: No effect on
height, periodic height growth, % survival
Significant effect on all other tree and per hectare valuesCrown sizeDBHVolume (tree & stand)
![Page 10: W.D. Johnstone (emeritus scientist) F. J. van Thienen (retired) Presented by G. Harper (Research Scientist, FPIB, MoFML) 1.](https://reader036.fdocuments.net/reader036/viewer/2022070308/551c2f58550346a84f8b629c/html5/thumbnails/10.jpg)
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EP 964.06 – Lodgepole pine
20 year Response Summary from 5 installations
- the (%) difference between overall mean and treatment mean.
Installation # District BECdata - years post
treatment
2 Nadina SBSmc2 20
6 Nadina SBSmc2 20
7 Williams Lake SBSdw2 20
9 Rocky Mountain MS 20
11 Rocky Mountain MS 20
![Page 11: W.D. Johnstone (emeritus scientist) F. J. van Thienen (retired) Presented by G. Harper (Research Scientist, FPIB, MoFML) 1.](https://reader036.fdocuments.net/reader036/viewer/2022070308/551c2f58550346a84f8b629c/html5/thumbnails/11.jpg)
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Lodgepole pine 1500 tph
EP 964.07 Williams Lake 2001SBSdw2
EP 964.02 Nadina 2003SBSmc2
EP 964.11 Rocky Mountain 2004MS
![Page 12: W.D. Johnstone (emeritus scientist) F. J. van Thienen (retired) Presented by G. Harper (Research Scientist, FPIB, MoFML) 1.](https://reader036.fdocuments.net/reader036/viewer/2022070308/551c2f58550346a84f8b629c/html5/thumbnails/12.jpg)
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EP 964 – Lodgepole pine
20 year Response - 5 sites combined - the (%) difference from the overall mean.
0 500 1000 1500 2000 2500 3000
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
Height
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EP 964 – Lodgepole pine
20 year Response - 5 sites combined - the (%) difference from the overall mean.
0 500 1000 1500 2000 2500 3000
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
DBH
Height
![Page 14: W.D. Johnstone (emeritus scientist) F. J. van Thienen (retired) Presented by G. Harper (Research Scientist, FPIB, MoFML) 1.](https://reader036.fdocuments.net/reader036/viewer/2022070308/551c2f58550346a84f8b629c/html5/thumbnails/14.jpg)
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EP 964 – Lodgepole pine
20 year Response - 5 sites combined - the (%) difference from the overall mean.
0 500 1000 1500 2000 2500 3000
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
DBH
Height
5yr DBH inc
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EP 964 – Lodgepole Pine
20 year Response - 5 sites combined
0 500 1000 1500 2000 2500 3000
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
DBH
Height
5yr DBH inc
crown width
% live crown
0 1000 2000 30000.00
10.00
20.00
30.00
40.00
50.00
60.00
70.00
80.00
90.00
100.00
% survival
% damage
% disease
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EP 964 – Interior Spruce
0 1000 2000 3000
-15.00
-10.00
-5.00
0.00
5.00
10.00
15.00
20.00
25.00
30.00DBH
Height
5yr DBH inc
5 yr Ht inc
crown width
% live crown
0 1000 2000 30000.00
10.00
20.00
30.00
40.00
50.00
60.00
70.00
80.00
90.00
100.00
% survival
% damage
% disease
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The End
EP 962.01 2007 MPB damage