Arrival and proliferation of the invasive seaweed Rugulopteryx okamurae in NE Atlantic islands
Author:
Faria João1ORCID, Prestes Afonso C.L.1, Moreu Ignacio1, Martins Gustavo M.2, Neto Ana I.1, Cacabelos Eva3ORCID
Affiliation:
1. Department of Biology, Faculty of Sciences and Technology , cE3c - Centre for Ecology, Evolution and Environmental Changes/Azorean Biodiversity Group; University of Azores , Ponta Delgada 9501-801 , São Miguel, Azores , Portugal 2. CIBIO - Research Centre in Biodiversity and Genetic Resources, InBIO Associate Laboratory, Pólo dos Açores – Departamento de Biologia da Universidade dos Açores , Ponta Delgada 9501-801 , Portugal 3. MARE - Marine and Environmental Sciences Centre, Agência Regional para o Desenvolvimento da Investigação Tecnologia e Inovação (ARDITI), Edifício Madeira Tecnopolo , Piso 0, Caminho da Penteada , Funchal 9020-105 , Madeira , Portugal
Abstract
Abstract
The present study reports the recent occurrence and expansion of Rugulopteryx okamurae in the Azores archipelago (NE Atlantic). Morphological and molecular characters confirmed the species identification. Quick surveys around the island of São Miguel showed that it has successfully colonized the island and is quickly expanding. In some locations, R. okamurae is currently the dominant organism smothering all other benthic biota and posing a serious threat to the benthic ecosystems across the region. The species first record dates from 2019 near the main harbour of the island, suggesting that its introduction was driven by human-assisted transport, via boat ballast waters or adhered to ship hulls and likely originating from the Mediterranean populations that have been proliferating in recent years across the Strait of Gibraltar.
Publisher
Walter de Gruyter GmbH
Subject
Plant Science,Aquatic Science,Ecology, Evolution, Behavior and Systematics
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