The scaling of elemental stoichiometry and growth rate over the course of bamboo ontogeny
© 2023 The Authors. New Phytologist © 2023 New Phytologist Foundation..
Stoichiometric rules may explain the allometric scaling among biological traits and body size, a fundamental law of nature. However, testing the scaling of elemental stoichiometry and growth to size over the course of plant ontogeny is challenging. Here, we used a fast-growing bamboo species to examine how the concentrations and contents of carbon (C), nitrogen (N) and phosphorus (P), relative growth rate (G), and nutrient productivity scale with whole-plant mass (M) at the culm elongation and maturation stages. The whole-plant C content vs M and N content vs P content scaled isometrically, and the N or P content vs M scaled as a general 3/4 power function across both growth stages. The scaling exponents of G vs M and N (and P) productivity in newly grown mass vs M relationships across the whole growth stages decreased as a -1 power function. These findings reveal the previously undocumented generality of stoichiometric allometries over the course of plant ontogeny and provide new insights for understanding the origin of ubiquitous quarter-power scaling laws in the biosphere.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:241 |
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| Enthalten in: |
The New phytologist - 241(2024), 3 vom: 22. Jan., Seite 1088-1099 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ouyang, Ming [VerfasserIn] |
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| Links: |
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| Themen: |
27YLU75U4W |
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| Anmerkungen: |
Date Completed 12.01.2024 Date Revised 12.01.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1111/nph.19408 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM364822945 |
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| 520 | |a © 2023 The Authors. New Phytologist © 2023 New Phytologist Foundation. | ||
| 520 | |a Stoichiometric rules may explain the allometric scaling among biological traits and body size, a fundamental law of nature. However, testing the scaling of elemental stoichiometry and growth to size over the course of plant ontogeny is challenging. Here, we used a fast-growing bamboo species to examine how the concentrations and contents of carbon (C), nitrogen (N) and phosphorus (P), relative growth rate (G), and nutrient productivity scale with whole-plant mass (M) at the culm elongation and maturation stages. The whole-plant C content vs M and N content vs P content scaled isometrically, and the N or P content vs M scaled as a general 3/4 power function across both growth stages. The scaling exponents of G vs M and N (and P) productivity in newly grown mass vs M relationships across the whole growth stages decreased as a -1 power function. These findings reveal the previously undocumented generality of stoichiometric allometries over the course of plant ontogeny and provide new insights for understanding the origin of ubiquitous quarter-power scaling laws in the biosphere | ||
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| 700 | 1 | |a Tang, Zhiyao |e verfasserin |4 aut | |
| 700 | 1 | |a Fang, Jingyun |e verfasserin |4 aut | |
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