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Scaling relationships between the total number of leaves and the total leaf area per culm of two dwarf bamboo species

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Title: Scaling relationships between the total number of leaves and the total leaf area per culm of two dwarf bamboo species
Authors: Chengkang Wang, Yi Heng, Qingwei Xu, Yajun Zhou, Xuyang Sun, Yuchong Wang, Weihao Yao, Meng Lian, Qiying Li, Liuyue Zhang, Ülo Niinemets, Dirk Hölscher, Johan Gielis, Karl J. Niklas, Peijian Shi
Source: Ecology and Evolution, Vol 14, Iss 7, Pp n/a-n/a (2024)
Publisher Information: Wiley, 2024.
Publication Year: 2024
Collection: LCC:Ecology
Subject Terms: coefficient of variation, foliage length‐times‐width equation, landscape plant, Montgomery equation, power‐law function, scaling theory, Ecology, QH540-549.5
More Details: Abstract Total leaf area per plant is an important measure of the photosynthetic capacity of an individual plant that together with plant density drives the canopy leaf area index, that is, the total leaf area per unit ground area. Because the total number of leaves per plant (or per shoot) varies among conspecifics and among mixed species communities, this variation can affect the total leaf area per plant and per canopy but has been little studied. Previous studies have shown a strong linear relationship between the total leaf area per plant (or per shoot) (AT) and the total number of leaves per plant (or per shoot) (NT) on a log–log scale for several growth forms. However, little is known whether such a scaling relationship also holds true for bamboos, which are a group of Poaceae plants with great ecological and economic importance in tropical, subtropical, and warm temperate regions. To test whether the scaling relationship holds true in bamboos, two dwarf bamboo species (Shibataea chinensis Nakai and Sasaella kongosanensis ‘Aureostriatus’) with a limited but large number of leaves per culm were examined. For the two species, the leaves from 480 and 500 culms, respectively, were sampled and AT was calculated by summing the areas of individual leaves per culm. Linear regression and correlation analyses reconfirmed that there was a significant log–log linear relationship between AT and NT for each species. For S. chinensis, the exponent of the AT versus NT scaling relationship was greater than unity, whereas that of S. kongosanensis ‘Aureostriatus’ was smaller than unity. The coefficient of variation in individual leaf area increased with increasing NT for each species. The data reconfirm that there is a strong positive power‐law relationship between AT and NT for each of the two species, which may reflect adaptations of plants in response to intra‐ and inter‐specific competition for light.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 2045-7758
Relation: https://doaj.org/toc/2045-7758
DOI: 10.1002/ece3.70002
Access URL: https://doaj.org/article/ca7638204294410e803cbfaa1aceb5dc
Accession Number: edsdoj.7638204294410e803cbfaa1aceb5dc
Database: Directory of Open Access Journals
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  Data: Abstract Total leaf area per plant is an important measure of the photosynthetic capacity of an individual plant that together with plant density drives the canopy leaf area index, that is, the total leaf area per unit ground area. Because the total number of leaves per plant (or per shoot) varies among conspecifics and among mixed species communities, this variation can affect the total leaf area per plant and per canopy but has been little studied. Previous studies have shown a strong linear relationship between the total leaf area per plant (or per shoot) (AT) and the total number of leaves per plant (or per shoot) (NT) on a log–log scale for several growth forms. However, little is known whether such a scaling relationship also holds true for bamboos, which are a group of Poaceae plants with great ecological and economic importance in tropical, subtropical, and warm temperate regions. To test whether the scaling relationship holds true in bamboos, two dwarf bamboo species (Shibataea chinensis Nakai and Sasaella kongosanensis ‘Aureostriatus’) with a limited but large number of leaves per culm were examined. For the two species, the leaves from 480 and 500 culms, respectively, were sampled and AT was calculated by summing the areas of individual leaves per culm. Linear regression and correlation analyses reconfirmed that there was a significant log–log linear relationship between AT and NT for each species. For S. chinensis, the exponent of the AT versus NT scaling relationship was greater than unity, whereas that of S. kongosanensis ‘Aureostriatus’ was smaller than unity. The coefficient of variation in individual leaf area increased with increasing NT for each species. The data reconfirm that there is a strong positive power‐law relationship between AT and NT for each of the two species, which may reflect adaptations of plants in response to intra‐ and inter‐specific competition for light.
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      – Text: English
    Subjects:
      – SubjectFull: coefficient of variation
        Type: general
      – SubjectFull: foliage length‐times‐width equation
        Type: general
      – SubjectFull: landscape plant
        Type: general
      – SubjectFull: Montgomery equation
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      – SubjectFull: power‐law function
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      – SubjectFull: scaling theory
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      – SubjectFull: Ecology
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