Long-term data prove useful to keep track of non-indigenous seaweed fate
Created March 19, 2026
Updated on March 25, 2026
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Long-term data prove useful to keep track of non-indigenous seaweed fate
Original ids
10.3389/fenvs.2023.1075458; 20.500.14243/517752; 10278/5031446; 11392/2534893; 11586/465321
Type
publication
bestAccessRight
OPEN
countries
Italy
Creator/Author
Full name
Petrocelli A., orcid: 0000-0001-7556-9451 ; Wolf M. A., orcid: 0000-0001-8471-9749 ; Sciuto K., orcid: 0000-0001-7426-8497 ; Sfriso A., orcid: 0000-0002-4685-5894 ; Rubino F., orcid: 0000-0003-2552-2510 ; Ricci P., orcid: ; Cecere E., orcid: 0000-0002-9224-4437
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Description
<jats:p>The Mar Piccolo of Taranto (southern Italy, Mediterranean Sea), a site of the European LTER network, is a transitional water system, where a century-old intensive mussel farming activity has been carried out, together with an intense import-export business of bivalve mollusks. Previous studies showed that this basin is third for NIS seaweed introduction in the Mediterranean Sea, after the Thau Lagoon and the Venice Lagoon. The present paper deals with the results of 11-year monitoring activity on non-indigenous species (NIS) of seaweeds, which was performed in the Mar Piccolo. In the studied period (2011–2021), two different time frames (i.e., 2011–2015 and 2016–2021) were considered, since they were based on a different number of sampling sites. To investigate spatial and temporal differences in the seaweed assemblage, a multivariate analysis was performed considering the NIS and the most important native species in terms of temporal occurrence. Fourteen NIS were recorded in total in the Mar Piccolo of Taranto during this period, with variable abundances among sites and years: nine species in the first time period, and thirteen species in the second one. <jats:italic>Caulerpa cylindracea</jats:italic>, recorded with negligible biomass in the first period, was absent in the second-period samplings. Molecular analyses confirmed the taxonomy of three species (i.e., <jats:italic>Grateloupia minima</jats:italic>, <jats:italic>Neopyropia koreana</jats:italic>, and <jats:italic>Polysiphonia morrowii</jats:italic>), previously identified only through morphological features. The most abundant species was <jats:italic>Hypnea corona</jats:italic>, which almost doubled its biomass in the second time period compared to the first one. Three species (i.e., <jats:italic>Caulacanthus okamurae</jats:italic>, <jats:italic>G. minima</jats:italic>, and <jats:italic>P. morrowii</jats:italic>) increased their biomass by an order of magnitude in the second time period. No signific
Publication Date
2023-07-06
Publisher
Frontiers Media SA
Subjects
0106 biological sciences; 550; long term ecological research, Mar Piccolo, Mediterranean Sea, non-indigenous species, seaweeds, transitional water systems; long term ecological research; 15. Life on land; 01 natural sciences; 6. Clean water; long term ecological research, Mar Piccolo, Mediterranean Sea, non-indigenous species, seaweeds, transitional water systems.; seaweeds; Environmental sciences; Mediterranean Sea; transitional water systems; GE1-350; 14. Life underwater; Mar Piccolo; non-indigenous species
isGreen
true
isInDiamondJournal
false
Publication
Name
Frontiers in Environmental Science
Publication
Article
issnOnline
2296-665X
vol
11
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Last Updated
March 25, 2026, 10:45 (UTC)
Created
March 19, 2026, 00:28 (UTC)
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