Juncus Bulbosus Tissue Nutrient Concentrations and Stoichiometry in Oligotrophic Ecosystems: Variability with Seasons, Growth Forms, Organs and Habitats
Abstract
:1. Introduction
2. Results
2.1. Growth Forms and the Time of Year
2.2. Plant Organs (Roots versus Shoots) and Habitats (Lakes versus Rivers)
3. Discussion
4. Materials and Methods
4.1. Juncus Bulbosus
4.2. Growth Form and the Time of Year
4.3. Plant Organs (Roots versus Shoots) and Habitats (Lakes versus Rivers)
4.4. Plant Tissue C, N, P Analyses
4.5. Statistics
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Time of Sampling | Growth Form | |||
---|---|---|---|---|
P | P | |||
C | 0.2 | 0.68 | 1.8 | 1.41 |
N | 2.3 | 0.13 | 9.9 | 0.007 |
P | 20.1 | 7 × 10−6 | 1.5 | 0.47 |
C:N | 1.9 | 0.17 | 8.1 | 0.02 |
C:P | 20.2 | 7 × 10−6 | 1.2 | 0.55 |
N:P | 33.1 | 9 × 10−9 | 7.2 | 0.03 |
Time of Sampling | Growth Form | |||
---|---|---|---|---|
P | P | |||
C | 0.03 | 0.87 | 2.1 | 0.15 |
N | 1.1 | 0.29 | 0.7 | 0.41 |
P | 0.1 | 0.77 | 0.7 | 0.39 |
C:N | 1.1 | 0.30 | 1.7 | 0.20 |
C:P | 0.1 | 0.78 | 0.4 | 0.51 |
N:P | 0.4 | 0.51 | 1.3 | 0.25 |
Percentage of Explained Variance | |||||
---|---|---|---|---|---|
Singly | P | After Stepwise Regression | P | Selection Order | |
Organs | 20.8 | <0.001 | 20.8 | <0.001 | 1 |
Habitats | 4.6 | 0.004 | 4.1 | 0.028 | 3 |
TP | 4.6 | 0.006 | 3.9 | 0.040 | 4 |
lnEC | 3.0 | 0.027 | 4.3 | 0.019 | 2 |
Datasets | Year | Description |
---|---|---|
6 lakes | 2006 | Replicate J. bulbosus sampling of different growth forms in 6 lakes at two seasons (spring and autumn), n = 86 |
10 lakes | 2008 | Single J. bulbosus samples (roots and shoots together), two sampling times (early and late summer) and two growth forms, n = 40 |
16 lakes and 28 river sites | 2010 | Single J. bulbosus samples, two habitats (lakes and rivers) and two organs (roots versus shoots), n = 80 |
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Moe, T.F.; Hessen, D.O.; Demars, B.O.L. Juncus Bulbosus Tissue Nutrient Concentrations and Stoichiometry in Oligotrophic Ecosystems: Variability with Seasons, Growth Forms, Organs and Habitats. Plants 2021, 10, 441. https://doi.org/10.3390/plants10030441
Moe TF, Hessen DO, Demars BOL. Juncus Bulbosus Tissue Nutrient Concentrations and Stoichiometry in Oligotrophic Ecosystems: Variability with Seasons, Growth Forms, Organs and Habitats. Plants. 2021; 10(3):441. https://doi.org/10.3390/plants10030441
Chicago/Turabian StyleMoe, Therese F., Dag O. Hessen, and Benoît O. L. Demars. 2021. "Juncus Bulbosus Tissue Nutrient Concentrations and Stoichiometry in Oligotrophic Ecosystems: Variability with Seasons, Growth Forms, Organs and Habitats" Plants 10, no. 3: 441. https://doi.org/10.3390/plants10030441