Li Haitao1; Han Xingguo2; Wu Jianguo2
Source Publicationjournalofintegrativeplantbiology
AbstractScaling, as the translation of information across spatial, temporal, and organizational scales, is essential to predictions and understanding in all sciences and has become a central issue in ecology. A large body of theoretical and empirical evidence concerning allometric scaling in terrestrial individual plants and plant communities has been constructed around the fractal volume-filling theory of West, Brown, and Enquist (the WBE model). One of the most thought-provoking findings has been that the metabolic rates of plants, like those of animals, scale with their size as a 3/4 power law. The earliest, single most-important study cited in support of the application of the WBE model to terrestrial plants claims that whole-plant resource use in terrestrial plants scales as the 3/4 power of total mass, as predicted by the WBE model. However, in the present study we show that empirical data actually do not support such a claim. More recent studies cited as evidence for 3/4 scaling also suffer from several statistical and data-related problems. Using a forest biomass dataset including 1266 plots of 17 main forest types across China, we explored the scaling exponents between tree productivity and tree mass and found no universal value across forest stands. We conclude that there is not sufficient evidence to support the existence of a single constant scaling exponent for the metabolism-biomass relationship for terrestrial plants.
Document Type期刊论文
First Author Affilication中国科学院地理科学与资源研究所
Recommended Citation
GB/T 7714
Li Haitao,Han Xingguo,Wu Jianguo. lackofevidencefor34scalingofmetabolisminterrestrialplants[J]. journalofintegrativeplantbiology,2005,47(10):1173.
APA Li Haitao,Han Xingguo,&Wu Jianguo.(2005).lackofevidencefor34scalingofmetabolisminterrestrialplants.journalofintegrativeplantbiology,47(10),1173.
MLA Li Haitao,et al."lackofevidencefor34scalingofmetabolisminterrestrialplants".journalofintegrativeplantbiology 47.10(2005):1173.
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