Exploring Intraspecific Trait Variation in a Xerophytic Moss Species Indusiella thianschanica (Ptychomitriaceae) across Environmental Gradients on the Tibetan Plateau
Abstract
:1. Introduction
2. Results
2.1. Quantitative Analysis of Intraspecific Morphological Variation
2.2. Relationship between Trait Variation and Environmental Factors
2.3. Interrelationships among Morphological Traits and Trait Covariation
3. Discussion
3.1. Intraspecific Morphological Variation across Environmental Gradients
3.2. The Significant Role of Leaf Sheath: From Environmental Response to Species Adaptation
3.3. Key Environmental Factors Driving Intraspecific Trait Variability
3.4. Trait Covariation and Adaptation Strategies
4. Materials and Methods
4.1. Research Site and Plant Material Sampling
4.2. Trait Measurement
4.3. Environment Variable
4.4. Data Analyses
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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No. | Column | Mean | Median | Maximum | Minimum | SD 1 | CV 2 | PPI 3 |
---|---|---|---|---|---|---|---|---|
1 | GH (×0.1 mm) | 54.55 | 57.84 | 85.17 | 23.29 | 19.70 | 36.11 | 0.73 |
2 | LA (×104 μm2) | 33.32 | 32.94 | 45.55 | 25.06 | 5.31 | 15.95 | 0.45 |
3 | LL (μm) | 1036.07 | 1013.11 | 1171.30 | 882.89 | 82.35 | 7.95 | 0.25 |
4 | ULL (μm) | 600.39 | 603.18 | 698.36 | 509.89 | 55.63 | 9.27 | 0.27 |
5 | ULW (μm) | 214.03 | 217.49 | 245.00 | 175.70 | 16.38 | 7.65 | 0.28 |
6 | ULL_LW | 2.82 | 2.84 | 3.51 | 2.32 | 0.32 | 11.36 | 0.34 |
7 | SL (μm) | 435.68 | 431.45 | 533.43 | 332.23 | 49.11 | 11.27 | 0.38 |
8 | SW (μm) | 517.26 | 504.85 | 645.21 | 374.08 | 64.93 | 12.55 | 0.42 |
9 | SL_W | 0.85 | 0.84 | 1.11 | 0.66 | 0.09 | 10.76 | 0.40 |
10 | LT (μm) | 115.55 | 114.74 | 132.35 | 97.99 | 8.27 | 7.16 | 0.26 |
11 | COW (μm) | 114.36 | 110.88 | 154.54 | 82.69 | 16.90 | 14.78 | 0.46 |
12 | COT (μm) | 43.36 | 42.84 | 48.82 | 37.58 | 3.32 | 7.67 | 0.23 |
13 | LAM1 (μm) | 22.01 | 22.20 | 25.13 | 17.84 | 1.67 | 7.60 | 0.29 |
14 | LAM2 (μm) | 25.72 | 25.95 | 28.70 | 21.50 | 1.62 | 6.30 | 0.25 |
15 | DCT (μm) | 11.53 | 11.72 | 13.45 | 8.69 | 1.11 | 9.63 | 0.35 |
16 | DCW (μm) | 17.20 | 17.34 | 19.35 | 13.14 | 1.35 | 7.83 | 0.32 |
17 | BCT (μm) | 7.42 | 7.37 | 8.67 | 6.22 | 0.74 | 9.93 | 0.28 |
18 | BCW (μm) | 9.49 | 9.36 | 11.46 | 7.53 | 0.89 | 9.37 | 0.34 |
19 | CW1 (μm) | 3.18 | 3.13 | 4.63 | 2.48 | 0.46 | 14.35 | 0.46 |
20 | CW2 (μm) | 4.17 | 3.90 | 7.61 | 2.72 | 1.08 | 25.95 | 0.64 |
21 | STW (μm) | 3.58 | 3.58 | 3.96 | 3.14 | 0.21 | 5.91 | 0.21 |
22 | SCL (μm) | 15.05 | 15.16 | 20.72 | 11.74 | 2.11 | 14.01 | 0.43 |
23 | SCW (μm) | 12.85 | 12.80 | 15.20 | 11.01 | 0.97 | 7.56 | 0.28 |
No. | Abbreviation | Trait Variable | Unit |
---|---|---|---|
1 | GH | gametophyte height | 0.1 mm |
2 | LA | leaf area | 104 μm2 |
3 | LL | leaf length | μm |
4 | ULL | upper leaf length | μm |
5 | ULW | upper leaf width | μm |
6 | ULL_LW | ratio of length-to-width of upper leaf (4/5) | / |
7 | SL | leaf sheath length | μm |
8 | SW | leaf sheath width | μm |
9 | SL_W | ratio of length-to-width of leaf sheath (7/8) | / |
10 | LT | leaf thickness | μm |
11 | COW | costa width | μm |
12 | COT | costa thickness | μm |
13 | LAM1 | adaxial lamina thickness | μm |
14 | LAM2 | abaxial lamina thickness | μm |
15 | DCT | thickness of adaxial cell (thin-walled) lumen | μm |
16 | DCW | width of adaxial cell (thin-walled) lumen | μm |
17 | BCT | thickness of abaxial cell (thick-walled) lumen | μm |
18 | BCW | width of abaxial cell (thick-walled) lumen | μm |
19 | CW1 | thickness of upper surface cell wall | μm |
20 | CW2 | thickness of lower surface cell wall | μm |
21 | STW | transverse wall thickness of basal cells | μm |
22 | SCL | cell lumen length of basal cells | μm |
23 | SCW | cell lumen width of basal cells | μm |
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Song, X.; Gu, J.; Ye, Y.; Wang, M.; Wang, R.; Ma, H.; Shao, X. Exploring Intraspecific Trait Variation in a Xerophytic Moss Species Indusiella thianschanica (Ptychomitriaceae) across Environmental Gradients on the Tibetan Plateau. Plants 2024, 13, 921. https://doi.org/10.3390/plants13070921
Song X, Gu J, Ye Y, Wang M, Wang R, Ma H, Shao X. Exploring Intraspecific Trait Variation in a Xerophytic Moss Species Indusiella thianschanica (Ptychomitriaceae) across Environmental Gradients on the Tibetan Plateau. Plants. 2024; 13(7):921. https://doi.org/10.3390/plants13070921
Chicago/Turabian StyleSong, Xiaotong, Jiqi Gu, Yanhui Ye, Mengzhen Wang, Ruihong Wang, Heping Ma, and Xiaoming Shao. 2024. "Exploring Intraspecific Trait Variation in a Xerophytic Moss Species Indusiella thianschanica (Ptychomitriaceae) across Environmental Gradients on the Tibetan Plateau" Plants 13, no. 7: 921. https://doi.org/10.3390/plants13070921