Abstract
Ports are believed to be key factors in the process of dissemination of exotic marine species. However, direct sampling is very difficult in such areas due to their elevated turbidity and/or the danger related to shipping traffic. Within this study we propose the use of georeferenced TV underwater devices with high sensitivity for the inspection and monitoring of the exotic invasive species (EIS) Branchiomma luctuosum (Polychaeta, Sabellidae) in several ports from the Eastern Iberian coast (Western Mediterranean Sea, Spain). Many ports with different shipping activities were surveyed, from Cases d'Alcanar Port (Tarragona) to Santa Pola Port (Alicante). The use of this methodology contributed to the expansion of knowledge concerning the distribution and abundance of this species in the Eastern Iberian coast. This study proved the efficiency of this large scale sampling method and the possibility of its use in early detection and monitoring of this species and other conspicuous marine EIS which can be photo-identified.
Highlights
The Mediterranean Sea is one of the major recipients of non-indigenous species (NIS) (Streftaris et al 2005; Gollasch 2006) with 955 taxa of which 535 are considered to be established (Zenetos et al 2010)
Direct sampling is very difficult in such areas due to their elevated turbidity and/or the danger related to shipping traffic
Within this study we propose the use of georeferenced TV underwater devices with high sensitivity for the inspection and monitoring of the exotic invasive species (EIS) Branchiomma luctuosum (Polychaeta, Sabellidae) in several ports from the Eastern Iberian coast (Western Mediterranean Sea, Spain)
Summary
The Mediterranean Sea is one of the major recipients of non-indigenous species (NIS) (Streftaris et al 2005; Gollasch 2006) with 955 taxa of which 535 are considered to be established (Zenetos et al 2010). Within this study we propose the use of georeferenced TV underwater devices with high sensitivity for the inspection and monitoring of the exotic invasive species (EIS) Branchiomma luctuosum (Polychaeta, Sabellidae) in several ports from the Eastern Iberian coast (Western Mediterranean Sea, Spain).
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