Structure of Needle Highlights Ecological Adaptability and Microevolution of Natural Populations of Cedrus atlantica in Morocco
Table 2
Descriptive statistics of six quantitative traits of the studied populations of C. atlantica in Morocco.
Populations
Traits
Mean ± SD
Min
Max
CV
Skewness
Curtosis
M
Needle length (mm): NL
16.04 ± 1.02
14.89
17.56
10.35
0.60
−1.258
Needle width (μm): NW
907.21 ± 35.19
849.58
961.69
10.87
−0.03
−0.14
Cuticle thickness (μm): CT
8.93 ± 1.08
7.26
10.82
23.89
0.22
0.67
Number of stomatal lines: NLS
6.46 ± 1.53
3.56
8.60
20.67
−0.85
1.15
Number of facets: NF
4.12 ± 0.35
3.56
4.60
30.15
−0.44
−0.84
Number of needles per brachyblast: NN/R
62.23 ± 8.75
46.56
73.20
18.79
−0.64
0.04
A
Needle length (mm): NL
11.35 ± 1.94
8.81
15.50
19.42
1.47
4.02
Needle width (μm): NW
1408.91 ± 101.42
1280.65
1545.85
12.82
0.231
−1.58
Cuticle thickness (μm): CT
13.62 ± 2.69
9.57
17.87
28.83
0.070
−0.35
Number of stomatal lines: NLS
5.71 ± 1.31
4.43
8.20
18.24
0.88
−0.26
Number of facets: NF
4.19 ± 0.32
3.71
4.60
33.73
−0.26
−1.75
Number of needles per brachyblast: NN/R
71.03 ± 13.13
39.25
84.71
21.52
−2.01
5.04
T
Needle length (mm): NL
13.90 ± 1.35
11.90
16.60
13.16
0.51
0.51
Needle width (μm): NW
1411.10 ± 146.90
1227.47
1571.79
14.45
−0.16
−2.07
Cuticle thickness (μm): CT
15.44 ± 2.03
12.16
18.74
20.51
0.22
−0.44
Number of stomatal lines: NLS
8.23 ± 1.37
6.50
10.33
19.31
0.36
−1.45
Number of facets: NF
4.22 ± 0.33
3.78
4.83
23.49
0.56
−0.01
Number of needles per brachyblast: NN/R
68.90 ± 7.14
59.10
81.20
15.26
0.38
−0.63
O
Needle length (mm): NL
10.45 ± 1.94
8.00
12.13
17.43
−0.77
−1.90
Needle width (μm): NW
1133.47 ± 243.91
812.00
1462.94
23.51
−0.16
−1.08
Cuticle thickness (μm): CT
9.59 ± 2.33
7.32
14.00
32.48
1.71
3.45
Number of stomatal lines: NLS
5.90 ± 1.13
5.00
7.63
32.16
0.99
−1.12
Number of facets: NF
3.98 ± 0.109
3.78
4.11
20.62
−1.44
3.60
Number of needles per brachyblast: NN/R
60.98 ± 16.07
42.00
85.78
28.62
0.68
−0.51
M, Moudemame; T, Tazekka; O, Aït Oufella; A, Aït Ayach; T, annual mean temperature; Tmax and Tmin stand for mean maximum and mean minimum temperature; , annual mean precipitation; mean, average values; SD, standard deviation; min, minimum; max, maximum; CV, variation coefficient.
