Litter accumulation, not light limitation, drives early plant recruitment

Abstract

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Distinct effects of phyllosphere and rhizosphere microbes on invaderAgeratina adenophoraduring its early life stages

“…1f). Similarly, Jessen et al (2023) also reported that fertilization, independent of litter removal, significantly decreased the total number and richness of seedlings, likely because higher ammonium levels in fertilized plots could create a toxic environment for seedlings (Britto & Kronzucker, 2002).…”

“…Similar to soil, leaf litter could also affect plant growth, species diversity and community structure (Liu et al, 2017; Ma et al, 2020; Olson & Wallander, 2002), thus playing important roles in population establishment and community dynamics (Jessen et al, 2023; Lamb, 2008; Xiong & Nilsson, 1999). However, related research has focused mainly on physical (e.g., maintaining soil moisture and temperature, increasing nutrition and reducing light) or chemical effects (e.g., releasing allelochemicals) (Demey et al, 2013; Jessen et al, 2023; Möhler et al, 2018; Zhang et al, 2017) but has rarely focused on leaf microbial effects. Until 2017, Whitaker et al (2017) extended the PSF to aboveground tissues (including leaf, stem and floral tissues), termed “plant‒ phyllosphere feedbacks (PPFs)”, and found that all four Asteraceae species experienced stronger negative PPFs than PSFs.…”

Distinct effects of phyllosphere and rhizosphere microbes on invader Ageratina adenophora during its early life stages

“…Similar to soil, leaf litter could also affect plant growth, species diversity and community structure (Liu et al, 2017 ;Ma et al, 2020 ;Olson & Wallander, 2002 ), thus playing important roles in population establishment and community dynamics (Jessen et al, 2023 ;Lamb, 2008 ;Xiong & Nilsson, 1999 ). However, related research has focused mainly on physical (e.g., maintaining soil moisture and temperature, increasing nutrition and reducing light) or chemical effects (e.g., releasing allelochemicals) (Demey et al, 2013 ;Jessen et al, 2023 ;Möhler et al, 2018 ;Zhang et al, 2017 ) but has rarely focused on leaf microbial effects. Until 2017, Whitaker et al (2017) extended the PSF to aboveground tissues (including leaf, stem and floral tissues), termed "plantphyllosphere feedbacks (PPFs)", and found that all four Asteraceae species experienced stronger negative PPFs than PSFs.…”

“…Similar to soil, leaf litter can also affect plant growth, species diversity, and community structure ( Liu et al, 2017 ; Ma et al, 2020 ; Olson and Wallander, 2002 ), thus playing important roles in population establishment and community dynamics ( Jessen et al, 2023 ; Lamb, 2008 ; Xiong and Nilsson, 1999 ). However, related research has focused mainly on physical (e.g.…”

“…maintaining soil moisture and temperature, increasing nutrition and reducing light) or chemical effects (e.g. releasing allelochemicals) ( Demey et al, 2013 ; Jessen et al, 2023 ; Möhler et al, 2018 ; Zhang et al, 2017 ) but has rarely focused on leaf microbial effects. Until 2017, Whitaker et al, 2017 , extended the PSF to aboveground tissues (including leaf, stem, and floral tissues), termed ‘plant-phyllosphere feedbacks (PPFs)’, and found that all four Asteraceae species experienced stronger negative PPFs than PSFs.…”