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An evolutionary game of leaf dynamics and its consequences for canopy structure

Hikosaka, Kouki ; Anten, Niels P. R. Thompson, Ken

Functional ecology, 2012-10, Vol.26 (5), p.1024-1032 [Periódico revisado por pares]

Oxford: Blackwell Publishing

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Título:
An evolutionary game of leaf dynamics and its consequences for canopy structure
Autor: Hikosaka, Kouki ; Anten, Niels P. R.
Thompson, Ken
Assuntos: Animal and plant ecology ; Animal, plant and microbial ecology ; Autoecology ; Biological and medical sciences ; canopy photosynthesis ; carbon gain ; carex-acutiformis ; chenopodium-album ; deciduous forest ; elevated co2 ; evolutionarily stable strategy ; Evolutionary ecology ; Forest canopy ; Fundamental and applied biological sciences. Psychology ; Game theory ; General aspects ; Human ecology ; individual plants ; Leaf area ; leaf area index ; leaf turnover ; Leaves ; light competition ; Modeling ; Nitrogen ; nitrogen use ; nitrogen-use efficiency ; optimization ; Photosynthesis ; photosynthetic capacity ; Plant ecology ; plant-populations ; Plants ; Vegetation ; Vegetation canopies ; xanthium-canadense
É parte de: Functional ecology, 2012-10, Vol.26 (5), p.1024-1032
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: 1. Canopy photosynthesis models combined with optimization theory have been an important tool to understand environmental responses and interspecific variations in vegetation structure and functioning, but their predictions are often quantitatively incorrect. Although evolutionary game theory and the dynamic modelling of leaf turnover have been suggested useful to solve this problem, there is no model that combines these features. 2. Here, we present such a model of leaf area dynamics that incorporates game theory. 3. Leaf area index (LAI; leaf area per unit ground area) was predicted to increase with an increasing degree of interaction between genetically distinct neighbour plants in light interception. This implies that stands of clonal plants that consist of genetically identical daughter ramets have different LAI from other plants. LAI was also sensitive to the assumed vertical pattern of leaf shedding: LAI was predicted to increase with the degree to which leaves were assumed to be shed from higher positions in the canopy. Our model provides more realistic predictions of LAI than previous static optimization, dynamic optimization or static game theoretical models. 4. We suggest that both leaf dynamics and game theoretical considerations of plant competition are indispensable to scale from individual leaf traits to the structure and functioning of vegetation stands, especially in herbaceous species.
Editor: Oxford: Blackwell Publishing
Idioma: Inglês

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An evolutionary game of leaf dynamics and its consequences for canopy structure

Hikosaka, Kouki ; Anten, Niels P. R. Thompson, Ken

Oxford: Blackwell Publishing

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