Effects of light availability on morphology, growth and biomass allocation of Fagus sylvatica and Quercus robur seedlings

Sevillano, Ignacio; Short, Ian; Grant, Jim; O'Reilly, Conor

doi:10.1016/j.foreco.2016.04.048

Cited by 63 publications

(76 citation statements)

References 58 publications

(79 reference statements)

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“…EIVs have previously been related to plant ecophysiological characteristics, such as RGR, seed mass and SLA, among others [see review by Bartelheimer & Poschlod (2016)]. These findings are in correspondence to those reported for relationships between the same plant traits made with actual measurements for soil fertility and light (Metcalfe & Grubb 1995;Grubb & Coomes 1997;Hodkinson et al 1998; Quero et al 2006;Sevillano et al 2016). This evidence supports the use of EIVs as a proxy for actual habitat measures when actual measurements are lacking.…”

Section: S E E D M a S S H A B I T A T V A R I A B L E S A N D P L supporting

confidence: 80%

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The triangular seed mass–leaf area relationship holds for annual plants and is determined by habitat productivity

et al. 2017

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Summary Plant allometries help us to understand resource allocation in plants and provide insight into how communities are structured. For woody species, a triangular allometric relationship between seed size and leaf size occurs in which all combinations are all possible, except for species with big seeds and small leaves (Cornelissen ). This relationship is thought to be a consequence of between‐habitat variation in abiotic conditions. In this study, we tested if the triangular relationship between seed mass and leaf area holds for annual species, and if variation in soil productivity and light (measured as Ellenberg indicator values: EIVs) is driving this relationship. We show that the triangular relationship also holds for annuals, which suggests that the allometric combinations between leaf area and seed mass are conserved across life‐forms. The triangular relationship was driven by between habitat variation in soil productivity. This means that as soil productivity increases, plants with bigger leaves could have either big or small seeds. However, in low soil productivity habitats, plants are constrained in their options, and plants with small leaves can only have small seeds. A http://onlinelibrary.wiley.com/doi/10.1111/1365-2435.12870/suppinfo is available for this article.

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Section: S E E D M a S S H A B I T A T V A R I A B L E S A N D P L supporting

confidence: 80%

“…; Sevillano et al . ). This evidence supports the use of EIVs as a proxy for actual habitat measures when actual measurements are lacking.…”

Section: Discussionmentioning

confidence: 97%

The triangular seed mass–leaf area relationship holds for annual plants and is determined by habitat productivity

et al. 2017

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“…In contrast, densities of Q. liaotungensis and A. fargesii seedlings decreased significantly with gap size. Previous research suggested that Quercus seedling response to light availability varies among species (Sevillano, Short, Grant, & O'Reilly, ; Truax, Lambert, & Gagnon, ). Nevertheless, most researchers have found positive effects of increased light on Q. liaotungensis seedling establishment.…”

Section: Discussionmentioning

confidence: 99%

Canopy disturbance and gap partitioning promote the persistence of a pioneer tree population in a near‐climax temperate forest of the Qinling Mountains, China

Guo

Peng

Yue

2019

Ecology and Evolution

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An unresolved question of temperate forests is how pioneer tree species persist in mature forests. In order to understand the responsible mechanisms, we investigated a near‐climax mixed temperate forest dominated by Betula albosinensis in the Qinling Mountains of China. Through establishing four 50 m × 50 m plots, we examined the canopy disturbance characteristics and its effects on tree recruitments. We further test the intra‐ and interspecific effects on the recruitment of B. albosinensis . The obtained data demonstrated canopy disturbance was frequent but most small‐sized. The canopy gaps are caused mainly by adult B. albosinensis by snapping. The regeneration of coexistent tree species shows a distinct preference for gap size. B. albosinensis were clumped at the juvenile stage and small scales. B. albosinensis juveniles were positively associated with B. utilis juveniles and negatively associated with the conspecific and B. utilis large trees. In addition, B. albosinensis juveniles showed negative associations with contemporary other tree species. Our results suggested that canopy disturbance caused by canopy trees and gap partitioning among the coexistent tree species are important for the persistence of the mixed forest. As a main gapmaker, B. albosinensis appear to develop a self‐perpetuating life‐history trait and allow them to persist.

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“…For example, oak leaves grown in the sun and shade are readily distinguishable as based on characteristics such as leaf thickness and secondary chemistry (Barber and Marquis , Sevillano et al. ). Assessing which abiotic and biotic factors play a role during the movement and settlement stage will be a promising avenue for future research.…”

Section: Discussionmentioning

confidence: 99%

Dispersal, host genotype and environment shape the spatial dynamics of a parasite in the wild

Ekholm

Roslin

Pulkkinen

et al. 2017

Ecology

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Dispersal, environment and genetic variation may all play a role in shaping host-parasite dynamics. Yet, in natural systems, their relative importance remains unresolved. Here, we do so for the epidemiology of a specialist parasite (Erysiphe alphitoides) on the pedunculate oak (Quercus robur). For this purpose, we combine evidence from a multi-year field survey and two dispersal experiments, all conducted at the landscape scale. Patterns detected in the field survey suggest that the parasite is structured as a metapopulation, with trees in denser oak stands characterized by higher parasite occupancy, higher colonization rates and lower extinction rates. The dispersal experiments revealed a major impact of the environment and of host genotype on the presence and abundance of the parasite, with a weaker but detectable imprint of dispersal limitation. Overall, our findings emphasize that dispersal, host genotype and the environment jointly shape the spatial dynamics of a parasite in the wild.

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Effects of light availability on morphology, growth and biomass allocation of Fagus sylvatica and Quercus robur seedlings

Cited by 63 publications

References 58 publications

The triangular seed mass–leaf area relationship holds for annual plants and is determined by habitat productivity

The triangular seed mass–leaf area relationship holds for annual plants and is determined by habitat productivity

Canopy disturbance and gap partitioning promote the persistence of a pioneer tree population in a near‐climax temperate forest of the Qinling Mountains, China

Dispersal, host genotype and environment shape the spatial dynamics of a parasite in the wild

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