Impacts of the Invasive Alien Carpobrotus spp. on Coastal Habitats on a Mediterranean Island (Giglio Island, Central Italy)

Mugnai, Michele; Benesperi, Renato; Viciani, Daniele; Ferretti, Giulio; Giunti, Michele; Giannini, Francesca; Lazzaro, Lorenzo

doi:10.3390/plants11202802

Cited by 12 publications

(2 citation statements)

References 58 publications

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“…Carpobrotus spp. invasion on coastal dunes, alters plant diversity (Mugnai et al 2022), and transforms important soil physical and chemical properties (Rodríguez-Caballero et al 2020). Carpobrotus spp.…”

Section: Introductionmentioning

confidence: 99%

Dunes under attack: untangling the effects of landscape changes on Iceplant invasion (Carpobrotus spp., Aizoaceae) in Mediterranean coasts

Marzialetti,

Grosso,

Acosta

et al. 2024

Preprint

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Invasive alien plants (IAPs) are a great challenge for biodiversity conservation and management. Multi-temporal landscape analysis has a great potential for describing plant invasion, however conservation solutions accounting of landscape dynamics are still limited. This research aims to explore the spatial-temporal pattern of the IAP Carpobrotus spp. in relation with landscape changes on Mediterranean coastal dunes. Based on detailed multi-temporal Carpobrotus spp. and local land cover maps, we described coastal dune landscape changes of invaded areas using transition matrices. We then calculated a set of non-redundant class and landscape pattern metrics for the compared data maps and explored invasion trends through trajectory analysis. We analyzed the relationship between the spatial pattern of alien invasion over time (e.g., expansion or reduction) and landscape pattern trends by examining the temporal delta values of Carpobrotus spp. pattern indices in relation to the delta values of landscape pattern metrics, using a machine learning technique followed by Partial Dependence analysis. The spatial-temporal characteristics of Carpobrotus spp. patches and the contextual landscape varied across coastal tracts experiencing IAP expansion and reduction. Carpobrotus spp. invasion expanded with more numerous, bigger and more connected patches in tracts with stable seashore and increasing artificial surfaces. In coastal tracts affected by coastal erosion, Carpobrotus spp declined, /remaining in few, small and regularly shaped patches. Multi-temporal landscape analysis provides a sound framework for understanding invasion dynamics across landscapes influenced by a variety of factors such as seashore dynamics and urban sprawl. This approach offers valuable insights for developing tailored management strategies that account for specific contextual nuances and enables informed planning of recovery actions.

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Section: Introductionmentioning

confidence: 99%

Dunes under attack: untangling the effects of landscape changes on Iceplant invasion (Carpobrotus spp., Aizoaceae) in Mediterranean coasts

Marzialetti,

Grosso,

Acosta

et al. 2024

Preprint

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“…in arid environments [10], Carpobrotus spp. in coastal areas [11], Robinia pseudoacacia L. and Ailanthus altissima (Mill.) Swingle in mixed forests [12], Oxalis pes-caprae L. in ruderal and agricultural lands [13,14], and Eichhornia crassipes (Mart.)…”

Section: Introductionmentioning

confidence: 99%

Strategies for the Management of Aggressive Invasive Plant Species

Lorenzo

Morais

2023

Plants

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Current control methods for invasive alien plants (IAPs) have acceptable short-term outcomes but have proven to be unfeasible or unaffordable in the long-term or for large invaded areas. For these reasons, there is an urgent need to develop sustainable approaches to control or restrict the spread of aggressive IAPs. The use of waste derived from IAP control actions could contribute to motivating the long-term management and preservation of local biodiversity while promoting some economic returns for stakeholders. However, this strategy may raise some concerns that should be carefully addressed before its implementation. In this article, we summarize the most common methods to control IAPs, explaining their viability and limitations. We also compile the potential applications of IAP residues and discuss the risks and opportunities associated with this strategy.

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(Not) sweeping invasive alien plants under the carpet: results from the use of mulching sheets for the control of invasive Carpobrotus spp.

et al. 2023

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Biological invasions represent a global threat to biodiversity. Particular attention should be made to the management of alien plants. The species from the Carpobrotus genus are well-known invasive plants native to South Africa, whose detrimental effects on native communities are widely documented. These impacts have become particularly important in terms of their invasive potential on small Mediterranean islands, where they often threaten particular ecosystems and endemic species. We report the experience from the efforts to eradicate this species from the island of Giannutri (Tuscan Archipelago, Italy)—an action included within the EU LIFE project “RESTO CON LIFE”—where the species occurred on about 14,000 m2 of coastal vegetation. The eradication employed an integrated approach with two control methods (manual removal and covering with mulching sheets) and involved mosaic rocky cliff coastal vegetation and disturbed areas with loose soil close to the cliffs. We present here the results obtained from five years of monitoring using permanent plots. Carpobrotus spp. exerted strong impacts on the invaded plant communities, with significant depletion and replacement of native species. Both of the control methods proved effective in the suppression of the mat formed by the invasive species and led to a positive response of native vegetation. Nevertheless, the recovery of native plant communities differed depending on the type of substratum, taking longer on rocky cliffs due to the harsher conditions. Improvements were driven by nitrophilous species in the plots treated with mulching sheets.

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Impacts of the Invasive Alien Carpobrotus spp. on Coastal Habitats on a Mediterranean Island (Giglio Island, Central Italy)

Cited by 12 publications

References 58 publications

Dunes under attack: untangling the effects of landscape changes on Iceplant invasion (Carpobrotus spp., Aizoaceae) in Mediterranean coasts

Dunes under attack: untangling the effects of landscape changes on Iceplant invasion (Carpobrotus spp., Aizoaceae) in Mediterranean coasts

Strategies for the Management of Aggressive Invasive Plant Species

(Not) sweeping invasive alien plants under the carpet: results from the use of mulching sheets for the control of invasive Carpobrotus spp.

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