abiess calocedrus decurrens pittermann et al.(2010)
TRANSCRIPT
10 1000.01
0.1
1
10
100
Ks (
kg
s-1 m
-1 M
Pa
-1)
Dh (m)
Angiosperm stems Angiosperm roots Gymnosperm stems Gymnosperm roots
r2 = 0.57P < 0.0001
y = 0.00032x2.24
y = 0.0005x2.618
r2 = 0.56P < 0.0001
Abiess
Calocedrus decurrens
Pittermann et al.(2010)
Cupressus forbessii
Glyptostrobus pensilisPittermann et al. (2010) Plant Physiol.
5The significance of xylem hydraulic plasticity for reconstructing past environments: Kippel, May 15th – 17th 2012
6The significance of xylem hydraulic plasticity for reconstructing past environments: Kippel, May 15th – 17th 2012
Jansen et al. (2012) PC&E
Larch vs SpruceDry vs Wet
Results: pits
150 200 250 300 350 400
1015
2025
3035
Area margo [micron]A
rea
aper
ture
[m
icro
n]
SpruceLarch
torus vs margo aperture vs torus aperture vs margo
50 100 150
1015
2025
3035
Area torus [micron]
Are
a ap
ertu
re [
mic
ron]
SpruceLarch
150 200 250 300 350 400
5010
015
0
Area margo [micron]
Are
a to
rus
[mic
ron]
SpruceLarch
Results: pits
9
Aperture Torus
Area margo [micron2]
Den
sity
0.000
0.002
0.004
0.006
0.008
0.010
100 200 300 400
Larix
100 200 300 400
Spruce
DW
Area aperture [micron2]
Den
sity
0.00
0.02
0.04
0.06
0.08
10 20 30 40
Larix
10 20 30 40
Spruce
DW
Area torus [micron2]
Den
sity
0.00
0.01
0.02
0.03
50 100 150 200
Larix
50 100 150 200
Spruce
DW
Margo
(Amargo-Atorus)/Atorus [micron2]
Den
sity
0.0
0.5
1.0
1.5
1 2 3 4
Larix
1 2 3 4
Spruce
DW
(Atorus-Aaperture)/Aaperture [micron2]
Den
sity
0.0
0.1
0.2
0.3
0.4
0.5
0 2 4 6 8
Larix
0 2 4 6 8
Spruce
DW
Area torus over aperture
Area margo over torus
Results: tracheid
10The significance of xylem hydraulic plasticity for reconstructing past environments: Kippel, May 15 th – 17th 2012
Tra
chei
d le
ngth
[m
icro
n]
2000
3000
4000
5000
6000
D W
Tra
chei
d w
idth
[m
icro
n]
30
40
50
60
70
D W
Tra
chei
d le
ngth
[m
icro
n]
2000
3000
4000
5000
6000
1985 1986 2003 2004 2007 2008
L
1985 1986 2003 2004 2007 2008
S
Tra
chei
d w
idth
[m
icro
n]
30
40
50
60
70
1985 1986 2003 2004 2007 2008
L
1985 1986 2003 2004 2007 2008
S
Tra
chei
d le
ngth
[m
icro
n]
20003000400050006000
1985 1986 2003 2004 2007 2008
L1
1985 1986 2003 2004 2007 2008
S1
L2
20003000400050006000
S2
20003000400050006000
L3
S3
L4
20003000400050006000
S4
20003000400050006000
L5
S5
L7
20003000400050006000
S7
Tra
chei
d w
idth
[m
icro
n]
3040506070
1985 1986 2003 2004 2007 2008
L1
1985 1986 2003 2004 2007 2008
S1
L2
3040506070
S2
3040506070
L3
S3
L4
3040506070
S4
3040506070
L5
S5
L7
3040506070
S7
length width
Results: tracheid
11The significance of xylem hydraulic plasticity for reconstructing past environments: Kippel, May 15 th – 17th 2012
length width
Tracheid length [micron]
Den
sity
0e+00
2e-04
4e-04
6e-04
2000 3000 4000 5000 6000 7000
DW
Tracheid width [micron]
Den
sity
0.00
0.01
0.02
0.03
0.04
0.05
20 30 40 50 60 70
DW
Tracheid length [micron]
Den
sity
0e+00
2e-04
4e-04
6e-04
2000 3000 4000 5000 6000 7000
Larix
2000 3000 4000 5000 6000 7000
Spruce
DW
Tracheid width [micron]
Den
sity
0.00
0.02
0.04
0.06
20 30 40 50 60 70
Larix
20 30 40 50 60 70
Spruce
DW
2000 3000 4000 5000 6000
3040
5060
70
Tracheid length [micron]
Tra
chei
d w
idth
[m
icro
n]
SpruceLarch