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The haunting challenge of the trends and pathway assessments on newly introduce...
Outinen, Okko; Stæhr, Peter A. U.; Ribeiro, Romeu S.; Carbonell, Aina; Comas-González, Robert; Png-Gonzalez, Lydia; Vázquez-Luis, MaiteThe spread of aquatic non-indigenous species (NIS) is recognised as a major threat to the recipient regions ecosystems. The present study reviewed all NIS that have been introduced to the marine waters of the European Union (EU) until 2021, and their introduction pathways. Further, the study statistically analysed temporal trends in new NIS introductions and addressed uncertainties in relation to transporting p...
A pioneering longterm experiment on mesophotic macrofouling communities in the ...
Canning-Clode, João; Gizzi, Francesca; Braga-Henriques, Andreia; Ramalhosa, Patrício; Abreu, Pedro; Álvarez, Soledad; Biscoito, ManuelThe mesophotic zone represents one of our planet's largest and least explored biomes. An increasing number of studies evidence the importance of macrofouling species in marine ecosystems, but information on these communities and the factors influencing their structures at mesophotic depths remain poor. This lack of understanding limits our ability to predict anthropogenic impacts or conduct restoration operatio...
Exploring foraging preference of local fish species towards non-indigenous foul...
Chebaane, Sahar; Pais, Miguel Pessanha; Engelen, Aschwin; Ramalhosa, Patrício; Silva, Rodrigo; Gizzi, Francesca; Canning-Clode, JoãoNon-indigenous species (NIS) spread from marinas to natural environments is influenced by niche availability, habitat suitability, and local biotic resistance. This study explores the effect of indigenous fish feeding behaviour on NIS proliferation using fouling communities, pre-grown on settlement plates, as two distinct, representative models: one from NIS-rich marinas and the other from areas outside marinas...
The expansion and establishment of the New Zealand mud snail Potamopyrgus antip...
Órfão, Inês; Ramalhosa, Patrício; Kerckhof, Francis; João Canning-Clode, JoãoThis study reports the spread of the New Zealand mud snail Potamopyrgus antipodarum throughout freshwater ecosystems of Madeira Island, located in the NE Atlantic. Potamopyrgus antipodarum was first detected in 2017–2018 in two streams located in the north coast of the island. Since then, we have visually inspected the island's freshwater ecosystems and detected this gastropod in nine other streams. Previous ev...
Diversity and patterns of marine non-native species in the archipelagos of Maca...
Castro, Nuno; Carlton, James T.; Costa, Ana C.; Marques, Carolina S.; Hewitt, Chad L.; Cacabelos, Eva; Lopes, Evandro; Gizzi, FrancescaAims The present study is the first attempt to grasp the scale and richness of marine biological invasions in Macaronesia. We pioneered a comprehensive non-native species (NNS), inventory in the region to determine their diversity patterns and native distribution origins. NNS were defined here as the result of both introductions and range expansions. We also used statistical modelling to examine relationships a...
First record of the marine snail Xenophora crispa (Gastropoda: Xenophoridae) fr...
Freitas, Magno N. B.; Ramalhosa, Patrício; Moreira, André; Canning-Clode, João; Monteiro, JoãoThe marine snail Xenophora crispa (d' Orbigny, 1847) is recorded for the first time in Madeira Island (NE Atlantic). This species is currently distributed throughout the central and western Mediterranean, western Atlantic from France (Gulf of Biscay) to North Africa (up to Morocco), including the Archipelagos of the Azores, Canary Islands, and now Madeira.
From plates to baits: using a remote video foraging system to study the impact ...
Chebaane, Sahar; Canning-Clode, João; Ramalhosa, Patrício; Belz, Janina; Castro, Nuno; Órfão, Inês; Sempere-Valverde, Juan; Engelen, AschwinMarinas are a gateway for the introduction and establishment of non-indigenous species (NIS). In these habitats, competition and predation are crucial determinants for NIS establishment and invasiveness. However, fish trophic preferences and biotic effects inside marinas are poorly known. This study proposes a novel method that combines the deployment of settlement plates to recruit different assemblages, follo...
Metal pollution affects both native and non-indigenous biofouling recruitment i...
Ramalhosa, Patrício; Gestoso, Ignacio; Duarte, Bernardo; Caçador, Isabel; Canning-Clode, JoãoHull fouling has been a driving force behind the development of most modern marine antifouling coatings that mainly contain copper based biocides to inhibit growth of fouling organisms. Despite these efforts, several non-indigenous species continue to be transferred via hull-fouling worldwide. In this study we designed a disturbance gradient with three commercial antifouling paints applied to PVC settling plate...
A non-native macroalga is less attractive for herbivores but more susceptible t...
Ramalhosa, Patrício; Debus, Sarah-Lena; Kaufmann, Manfred; Lenz, MarkIt has been suggested that non-native species are more tolerant towards abiotic stress than ecologically compara‑ ble native species. Furthermore, non-native marine macroalgae should be under lower grazing pressure than native seaweeds, because they left their co-evolved enemies behind. As a consequence, they generally need to allocate less energy to defences and can invest more into compensating the negative e...