The hidden invasion of the alien seagrass Halophila stipulacea (Forsskål) Ascherson along Southeastern Italy
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10 février 2023
- handle: 10670/1.ltqsu1
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Speciation (Biology) Invaders (Organisms) Foreign species (Introduced organisms) Invasive alien species Translocated organisms Foreign organisms (Introduced organisms) Naturalised organisms Alien species Non-indigenous organisms Non-native species Nonindigenous species Non-native organisms Nonnative species Naturalized organisms Introduced species Translocated species Invasive species Exotic organisms Nonindigenous organisms Invasive organisms Nonnative organisms Alien organisms Exotic species Non-indigenous speciesCiter ce document
ANDREA TOSO et al., « The hidden invasion of the alien seagrass Halophila stipulacea (Forsskål) Ascherson along Southeastern Italy », eJournals, ID : 10670/1.ltqsu1
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Résumé
The seagrass Halophila stipulacea (Forsskål) Ascherson (Hydrocharitaceae) is a non-indigenous species (NIS) for the MediterraneanSea. This species is expected to have a high potential for invasiveness based on models predicting the present and futuresuitability of the Mediterranean coasts with respect to the plant requirements. This species was recorded for the first time alongthe Apulian coast in the Otranto harbor in 2011. Such a record was not considered in recent publications dealing with the speciesdistribution and its forecasted invasion pathway, probably due to the scant information provided. One decade after its first recordin the area, we confirmed the presence of the H. stipulacea meadow in the same locality (Otranto), and we identified four new H.stipulacea meadows along the Ionian coast are between 1 and 30 m deep in touristic areas. Indirect evidence suggests that the plantis actively spreading along the southeastern Italian coast, and monitoring programs aiming at mapping its distribution in the area,as well as its potential effect on the native biota, are required.