Ecological restoration of habitats invaded by Leucanthemum vulgare that alters key ecosystem functions

Khan, Mohd Asgar; Hussain, K. Jahir; Shah, Manzoor Ahmad

doi:10.1371/journal.pone.0246665

Cited by 4 publications

(1 citation statement)

References 43 publications

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“…The increase in alien plant invasions is primarily a result of the increased application of chemical fertilizers and herbicides 15 . The impacts of invasive alien species on ecosystem structures and functions are paramount for implementing appropriate management and restoration strategies 16 . Identifying the long-term trajectories of phenotypic changes in invasive species provides important clues for their appropriate management 17 .…”

Section: Introductionmentioning

confidence: 99%

Comprehensive analysis and implications of Veronica persica germination and growth traits in their invasion ecology

Al-Qthanin,

Radwan,

Donia

et al. 2024

Sci Rep

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Invasive alien species implications in ecological threats are attributed to their unique characteristics that are linked to their invasion. Veronica persica (Plantaginaceae family) is an alien weed species in Egypt. Regardless of its widespread globally in various regions, the growth traits and behavior of V. persica remain poorly understood. The comprehensive analysis, reveals the optimal germination (Gmax) was detected at 10/20 °C, 15/20 °C, and 20/25 °C at the moderate temperature regimes. The rapid germination rate (G rate) peaked at 10/20 °C regime, with a rate of 0.376 per day. Furthermore, under stress conditions, V. persica has 50% germination inhibition (G50) and 50% of growth inhibition occurred at − 0.91 MPa and 0.75 MPa of osmotic pressure and 3225.81 ppm and 2677.1 ppm of salt stress (NaCl) respectively. The germination ranged from 6 to 9 pH, with the highest germination percentage occurring at a pH of 7 & 8, reaching 88.75% compared to the control group. There is a strong interaction effect between habitats and plant stages, the plant stages and habitats have significant effects (p ≤ 0.00) on V. persica growth. There was high and moderate plasticity in the response of morphological and growth features between stages. During the seedling-juvenile interval and the juvenile-flowering stages, respectively, there was a noticeable increase in both Relative Growth Rate and Net Assimilation Rate. Demographic surveys identified approximately 24 species across 11 families associated with V. persica in invaded areas. The Sorenson indices of qualitative index exhibited high similarity values in the invaded sites by (82.35%) compared to (72.72%) in non-invaded sites. However, interactions with native communities were reflected in lower richness, diversity, and evenness, displaying slightly higher Simpson index 1 (λ) values compared to invaded and non-invaded sites (0.043 and 0.0290) vs. (0.0207 and 0.268), in rangelands and F. carica orchards respectively. These results emphasize the substantially higher adaptability of V. persica to variable environmental conditions and abilities to invade a new community. This knowledge about invasive V. persica weeds germination and growth is itemized as the consistent predictive base for future invasion and informs strategic management priorities.

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Section: Introductionmentioning

confidence: 99%

Comprehensive analysis and implications of Veronica persica germination and growth traits in their invasion ecology

Al-Qthanin,

Radwan,

Donia

et al. 2024

Sci Rep

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Clonality in invasive alien macrophytes in Kashmir Himalaya: a stage-based approach

et al. 2021

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BackgroundThe invasion of non-native species is a major cause of the global biodiversity loss and creates enormous economic costs. What determines alien invasive species dominance over native plant species is still little known, but there is an emerging pattern that many of the world's worst invasive plants are successful invaders due to the signi cant connection between their clonal traits and invasiveness. Freshwater ecosystems are relatively more prone to decline and extinction of species caused by biological invasion than terrestrial and marine ecosystems. In view of the lack of information about whether or not aquatic alien species at different stages of invasion exhibit any signi cant relation with clonality, the speci c question addressed in this study was whether there is any relationship between clonality and invasiveness in aquatic macrophytes and how does it vary along different stages of invasion? ResultsWhile the link between clonality and species invasiveness has recently been recognized, whether and how clonality varies with different invasion-stages remains open questions. Hence, we tested the relationship between clonality and species invasiveness of Kashmir Himalayan aquatic macrophytes vis-à-vis its variability along different stages of invasion. The data on clonality, stage of invasion, and growth form was obtained through an extensive survey of literature and database like CLO-PLA (CLOnal PLAnts, version 3) and PLADIAS (Plant Diversity Analysis and Synthesis, 2014-2018) followed by evaluation of the clonal organs thorough intensive eld surveys undertaken over a period of 3 years (2014)(2015)(2016)(2017) in different aquatic habitats of the Kashmir valley. Our results showed that 84% of the studied species and almost 90% of the most invasive species (stage V sensu Colautti and MacIsaac 2004) are clonal. A strong positive correlation (r=0.94; p<0.05) between clonality and invasiveness was observed, which further substantiates this association at a broad geographical scale representing the whole region. From the scatter matrix and Pearson's correlation matrix, clonality seems to have a strong positive correlation with fragments, rhizomes, runners, turions, tubers, and buds, thereby further a rming the strong nexus of clonality with species invasions. ConclusionsOur results showed strong association of clonal architecture with not only the stages of invasion but also the distribution pattern of alien species in aquatic habitats, thereby indicating the pivotal contribution of clonality to invasiveness. Future studies directed at unraveling the reasons behind clonality need to be undertaken from the genomic perspective, in order to evolve better models for proper management of alien aquatic invasive species.

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Centaurea iberica invasion causes homogenization of diverse plant communities

et al. 2022

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Ecological restoration of habitats invaded by Leucanthemum vulgare that alters key ecosystem functions

Cited by 4 publications

References 43 publications

Comprehensive analysis and implications of Veronica persica germination and growth traits in their invasion ecology

Comprehensive analysis and implications of Veronica persica germination and growth traits in their invasion ecology

Clonality in invasive alien macrophytes in Kashmir Himalaya: a stage-based approach

Centaurea iberica invasion causes homogenization of diverse plant communities

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