Above and belowground phenology of four Mediterranean sub-shrubs. Preliminary results on root–shoot competition

Palacio, Sara; Montserrat-Martı́, Gabriel

doi:10.1016/j.jaridenv.2006.07.008

Cited by 28 publications

(18 citation statements)

References 30 publications

(16 reference statements)

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“…Leaf shedding occurred in latespring and early-summer, in relation with increasing temperature, radiation and drought, which is in agreement with leaf water potential decrease reported for Cistus species during summer (Correia et al, 1987;Harley et al, 1987). The asynchrony in vegetative growth observed between the two study years agrees with the relationship between the seasonal growth rhythm and rainfall distribution pattern reported by Gill and Mahall (1986), Kyparissis et al (1997) and Palacio and Montserrat-Martı´(2007) for droughtdeciduous Mediterranean plants. In fact, both species exhibited a fast response to rainfall that occurred during May 1994 (114 mm), extending the period of intensive growth until June, while in 1995 rainfall during the same period was only 15 mm and the growth flush ended by April.…”

Section: Discussionsupporting

confidence: 89%

The role of phenology, growth and nutrient retention during leaf fall in the competitive potential of two species of mediterranean shrubs in the context of global climate changes

Simões¹,

Madeira²,

Gazarini³

2008

Flora - Morphology, Distribution, Functional Ecology of Plants

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Section: Discussionsupporting

confidence: 89%

The role of phenology, growth and nutrient retention during leaf fall in the competitive potential of two species of mediterranean shrubs in the context of global climate changes

Simões¹,

Madeira²,

Gazarini³

2008

Flora - Morphology, Distribution, Functional Ecology of Plants

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“…If root growth peaks early in the growing season, aboveground and belowground phenologies can be synchronous (Scagel et al 2007, Medvigy et al 2009). However, because root and shoot phenologies are commonly asynchronous (Lahti et al 2005, Willaume and Pages 2006, Palacio and Montserrat-Marti 2007, Steinaker and Wilson 2008, Abramoff and Finzi 2015, shoot phenology may not always be a reliable predictor of plant response to climate change. Root phenology varies by species and among ecosystems because it is driven by complex interactions between abiotic factors such as temperature and moisture as well as stored plant carbon and nutrients (Abramoff and Finzi 2015).…”

Section: Climate Change Alters Plant and Microbial Distributionmentioning

confidence: 99%

Direct and indirect effects of climate change on soil microbial and soil microbial‐plant interactions: What lies ahead?

et al. 2015

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Abstract. Global change is altering species distributions and thus interactions among organisms.Organisms live in concert with thousands of other species, some beneficial, some pathogenic, some which have little to no effect in complex communities. Since natural communities are composed of organisms with very different life history traits and dispersal ability it is unlikely they will all respond to climatic change in a similar way. Disjuncts in plant-pollinator and plant-herbivore interactions under global change have been relatively well described, but plant-soil microorganism and soil microbe-microbe relationships have received less attention. Since soil microorganisms regulate nutrient transformations, provide plants with nutrients, allow co-existence among neighbors, and control plant populations, changes in soil microorganism-plant interactions could have significant ramifications for plant community composition and ecosystem function. In this paper we explore how climatic change affects soil microbes and soil microbe-plant interactions directly and indirectly, discuss what we see as emerging and exciting questions and areas for future research, and discuss what ramifications changes in these interactions may have on the composition and function of ecosystems.

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“…Despite the endogenous cues, exogenous factors are important for controlling the fine root dynamics and the effects of exogenous factors on fine root dynamics have been received increasingly attention because of the expected climate changes (Kitajima et al 2010). Previous studies have correlated fine root production with water regimes in water-limited shrublands (Peek et al 2005;Palacio and Montserrat-Martí 2007;Padilla et al 2015), and the effects of the soil moisture on the fine root dynamics have been reported to be species specific (Wilcox et al 2004). Shading is another exogenous factor regulating fine root dynamics because root growth and turnover are correlated with photosynthetically active radiation (Fitter et al 1998;Fitter et al 1999;Volder et al 2007).…”

Section: Introductionmentioning

confidence: 99%

Response of the fine root production, phenology, and turnover rate of six shrub species from a subtropical forest to a soil moisture gradient and shading

Wang

et al. 2015

Plant Soil

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Background and aims Knowledge of the fine root dynamics of different life forms in forest ecosystems is critical to understanding how the overall belowground carbon cycling is affected by climate change. However, our current knowledge regarding how endogenous or exogenous factors regulate the root dynamics of understory vegetation is limited. The aims of this study were to test the effects of soil moisture gradient and shading on the fine root production, phenology, and turnover rate of six shrub species from a subtropical forest. Methods We selected a suite of study sites representing different habitats with gradients of soil moisture and solar radiation (shading or no shading). We assessed the fine root production phenology, the total fine root production, and the turnover among six understory shrub species in a subtropical climate, and examined the responses of the fine root dynamics to gradients in the soil moisture and solar radiation. The shrubs included three evergreen species, Loropetalum chinense, Vaccinium bracteatum, and Adinandra millettii, and three deciduous species, Serissa serissoides, Rubus corchorifolius, and Lespedeza davidii. Results We observed that variations in the annual fine root production and turnover among species were significant in the deciduous group but not in the evergreen group. Notably, V. bracteatum and S. serissoides presented the greatest responses in terms of root phenology to gradients in the soil moisture and shading: high-moisture habitat led to a decrease and shade led to an increase in fine root production during spring. Species with smaller fine roots of the 1 st +2 nd -order diameter presented more sensitive responses in terms of fine root phenology to a soil moisture gradient. Species with a lower fine root carbon-to nitrogen ratio exhibited more sensitive responses in terms of fine root annual production to shading. Soil moisture and shading did not change the annual fine root production as much as the turnover rate. Conclusions The fine root dynamics of some understory shrubs varied significantly with soil moisture and solar radiation status and may be different from tree species. Our results emphasize the need to study the understory fine root dynamics in the achievement of a complete understanding of the overall belowground carbon cycling in a forest ecosystem, particularly ecosystems in which the understory fine root highly contributes to the belowground biomass.

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Above and belowground phenology of four Mediterranean sub-shrubs. Preliminary results on root–shoot competition

Cited by 28 publications

References 30 publications

The role of phenology, growth and nutrient retention during leaf fall in the competitive potential of two species of mediterranean shrubs in the context of global climate changes

The role of phenology, growth and nutrient retention during leaf fall in the competitive potential of two species of mediterranean shrubs in the context of global climate changes

Direct and indirect effects of climate change on soil microbial and soil microbial‐plant interactions: What lies ahead?

Response of the fine root production, phenology, and turnover rate of six shrub species from a subtropical forest to a soil moisture gradient and shading

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