Rapid adaptive responses of rosette‐type macrophyte <i>Vallisneria natans</i> juveniles to varying water depths: The role of leaf trait plasticity

Gao, Yuxuan; Wang, Lei; Hu, Xiaoqing; Zhang, Zhuolun; Liu, Baogui; Zhang, Xinhou; Wang, Guoxiang

doi:10.1002/ece3.8142

Cited by 13 publications

(8 citation statements)

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“…Contrary to our expectations, not all traits of the pond‐dwelling individuals responded to both abiotic and biotic variables. Three resource acquisition traits (height, SLA, and internode length) and one resource conservation trait (specific internode mass) were influenced by abiotic or biotic variables alone, although they are known to usually respond to both variable types (Pilon & Santamaría, 2002; Fu et al., 2013; Gao et al., 2021). However, all other trait variations (i.e., the LDMC, maximum root length, and specific root mass) responded to biotic and abiotic variables as predicted.…”

Section: Discussionmentioning

confidence: 99%

“…ITV would allow a better resistance to filters (Jung et al., 2010; Violle et al., 2012) through adaptation (genetic variability) and/or phenotypic plasticity (Byars et al., 2007; Ghalambor et al., 2007; Albert et al., 2011). In aquatic plant communities, the high investment of macrophyte species in clonal growth suggests that resistance to filters mainly relies on plastic responses (Pilon & Santamaría, 2002; Wolfer & Straile, 2004; De Wilde et al., 2014; Li et al., 2019; Gao et al., 2021; Han et al., 2021). Most plant morphological traits are key for coping with environmental filters (see, e.g., Lavorel & Garnier, 2002).…”

Section: Introductionmentioning

confidence: 99%

“…Most plant morphological traits are key for coping with environmental filters (see, e.g., Lavorel & Garnier, 2002). Responses to both biotic and abiotic filters have been evidenced extensively in macrophyte traits involved in growth or resource acquisition (i.e., the specific leaf area [SLA], height, and root and internode lengths; Pilon & Santamaría, 2002; Wolfer & Straile, 2004; Fu et al., 2013; Gao et al., 2021) and in resource conservation (i.e., the leaf dry matter content [LDMC] and specific connection mass; Pilon & Santamaría, 2002; Elger & Willby, 2003; Gao et al., 2021; Koleszár et al., 2022). How traits respond to simultaneously varying biotic and abiotic conditions, however, remains unclear (Chalmandrier et al., 2022).…”

Section: Introductionmentioning

confidence: 99%

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How does trait variance partitioning help us to understand plant community assembly? The example of pond communities in the Kerguelen Islands

Douce,

Renault,

Simon

et al. 2023

J Vegetation Science

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QuestionIn the current context of biodiversity erosion, functional approaches to the examination of community assembly mechanisms and better prediction of plant species fates have emerged. The assessment of trait variation patterns should be a powerful means of identifying community assembly mechanisms. However, most studies of trait variations and their consequences for individual performance (i.e., vegetative biomass) are usually incomplete as they focused on single ecological scales or filters, with no consideration of relationships between traits. Such research has provided a fragmented view of plant community assembly.LocationWe examined macrophyte communities living in ponds of the sub‐Antarctic Iles Kerguelen.MethodsWe measured traits related to resource acquisition and conservation in all occurring species, and examined their variation across temporal (years), spatial (sites), and taxonomic (between and within species) scales and in response to multiple abiotic and biotic habitat variables. The consequences of these trait variations and the effects of their correlation for plant individual performance were also explored.ResultsTrait distributions were fairly conserved among sites, whereas we observed a large amount of intraspecific trait variation enabling individuals to resist filters. Responses to biotic and/or abiotic variables were trait‐dependent, and simultaneous trait responses should enable individual plants to face several simultaneous constraints. Almost all traits had direct or indirect effects on individual performance, indicating the need to consider trait relationships.ConclusionThe partitioning of trait variance is a relevant approach to the identification of the scale at which the most decisive processes for plant community assembly operate without the interference of scale dependency issues, and should orient further research. In addition, several biotic and abiotic variables should be considered in future studies to better understand the effects of environmental changes on plant communities.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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How does trait variance partitioning help us to understand plant community assembly? The example of pond communities in the Kerguelen Islands

Douce,

Renault,

Simon

et al. 2023

J Vegetation Science

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“…Redundancy analysis (RDA) was used to map the effects of environmental factors (pH, SWC, P, SOM, N, WA, WR, aspect, slope, mean elevation, and convex) among the four forest succession on the measured soil bacterial and fungal communities using the "vegan" package (Gao et al, 2021). Hellinger transformation was performed before RDA linear ordering of response variables.…”

Section: Statistical Analysesmentioning

confidence: 99%

Changes in the Distribution Preference of Soil Microbial Communities During Secondary Succession in a Temperate Mountain Forest

Zhang

et al. 2022

Front. Microbiol.

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Soil microbes play a crucial role in a forest ecosystem. However, whether the distribution of bacteria and fungi in different forest succession stages is random or following ecological specialization remains to be further studied. In the present study, we characterized soil bacterial and fungal communities to determine their distribution preference, with different succession communities in a temperate mountain forest. The Kruskal–Wallis method was used to analyze structural differences between bacterial and fungal communities in different succession processes. The specificity of soil microbial distribution in a secondary forest was studied by network analysis. The torus-translation test was used to analyze the species distribution preference of soil microbes in different succession stages. Results showed that the species composition of soil bacteria and fungi differed significantly in different succession processes. The modularity index of fungi (0.227) was higher than that of bacteria (0.080). Fungi (54.47%) had specific preferences than bacteria (49.95%) with regard to forests in different succession stages. Our work suggests that the distribution pattern of most soil microbes in a temperate mountain forest was not random but specialized in temperate mountain forests. Different microbes showed different distribution preferences. Fungi were more sensitive than bacteria during secondary succession in a temperate mountain forest. In addition, microbe–environment relations varied during secondary succession. Our results provided new insight into the mechanism through which complex soil microbial communities responded to changes in forest community succession.

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“…Many studies have suggested that water depth is the most important factor for vegetation recovery (Wang et al, 2017;Li et al, 2017;Zhou et al, 2017;Gao et al, 2021). Another group of scholars supports that clear water is the foremost requirement for macrophytes to germinate and grow (Sondergaard et al, 2007;Mikulyuk et al, 2011;Su et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Mechanism of rapid adaptive responses of macrophytes Vallisneria denseserrulata (Makino) to varying visible light transmittance: A mesocosm study

Xia,

Chen,

Chen

et al. 2024

Preprint

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Light transmittance is a closely related and inseparable key environmental limiting factor shaping the presence and distribution of macrophytes in aquatic environments. However, little is known about the responses of the morphology and photosynthetic capacity of macrophytes to different light conditions. Here, we conducted a short-term mesocosm experiment with Vallisneria denseserrulata as subjects, exposing them to the light transmittance of 10%, 20%, 30%, 60%, and 100%. Plant growth indicators and photosynthesis-related indicators were monitored during the 28-day experiment. The results showed that V. denseserrulata responded rapidly to changes in the light environment. Under high light transmittance conditions, V. denseserrulata rapidly expanded to obtain more resources. In low light transmittance conditions, V. denseserrulata mainly maintained its growth, rarely forming ramet, and grew longer leaves and larger leaf areas to improve light acquisition ability. There were 158, 47, 192, and 554 differentially expressed genes (DEGs) were identified in the pairwise comparison of 10%VS100%, 20%VS100%, 30%VS100%, and 60%VS100%, respectively. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis suggested that the DEGs were mainly involved in “pigment biosynthetic” and “photosynthesis”. Furthermore, genes involved in the photosynthesis pathway obtained different expression levels in V. denseserrulata between different treatments. The lower the light transmittance, the higher the expression of genes involved in photosynthesis in V. denseserrulata. Therefore, macrophytes have strong plasticity to maintain growth in stressful environments. Synthesis: V. denseserrulata exhibits strong plasticity in morphology, cytochrome production, and photosynthetic pathway regulation to maintain its growth in low-light environments. However, our results also indicated that the degraded underwater light climate surely results in a decreased macrophyte community. These results help elucidate the degradation process of submerged macrophytes in turbid lakes and guide the restoration of aquatic plants in eutrophic lakes.

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Rapid adaptive responses of rosette‐type macrophyte Vallisneria natans juveniles to varying water depths: The role of leaf trait plasticity

Abstract: This is an open access article under the terms of the Creat ive Commo ns Attri bution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 13 publications

References 68 publications

How does trait variance partitioning help us to understand plant community assembly? The example of pond communities in the Kerguelen Islands

How does trait variance partitioning help us to understand plant community assembly? The example of pond communities in the Kerguelen Islands

Changes in the Distribution Preference of Soil Microbial Communities During Secondary Succession in a Temperate Mountain Forest

Mechanism of rapid adaptive responses of macrophytes Vallisneria denseserrulata (Makino) to varying visible light transmittance: A mesocosm study

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