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The invasive Anadara transversa, in the biofouling communities of aquaculture areas in the western istrian coast (northern Adriatic Sea, Croatia) (CROSBI ID 640065)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Nerlović, Vedrana ; Perić, Lorena ; Slišković, Merica ; Jelić-Mrčelić, Gorana The invasive Anadara transversa, in the biofouling communities of aquaculture areas in the western istrian coast (northern Adriatic Sea, Croatia) // http://www.embs51.org/ / Hellenic Centre for Marine Research (ur.). Lahti, 2016. str. 16-16

Podaci o odgovornosti

Nerlović, Vedrana ; Perić, Lorena ; Slišković, Merica ; Jelić-Mrčelić, Gorana

engleski

The invasive Anadara transversa, in the biofouling communities of aquaculture areas in the western istrian coast (northern Adriatic Sea, Croatia)

The success of invasive bivalve species A. transversa was investigated within biofouling communities that were characteristic of two aquaculture areas along the western Istrian coast (Croatia). Terracotta tiles were immersed at 1m and 5m depth in the Lim Bay (LB) and Pomer Bay (PB) aquaculture areas and subsequently sampled at regular intervals: 2, 4, 6 and 8 months. The biofouling communities were composed of 41 taxa and the most dominant groups were Mollusca, Polychaetes, Tunicates, Crustacea and Algae. Spatialtemporal variations in the composition of the biofouling community were also detected. The most frequent taxa were the annelids Pomatoceros triqueter (LB=92.09%, PB=94.19%) and Spirorbis spirorbis (LB=99.44%, PB=65.16%), bryozoan Schizoporella sp. (LB=78.53%, PB=80.65%) and the tunicate Bothryllus sp. (LB=55.37%, PB=82.58%). The most frequent macroalgae were Sphacellaria sp. (LB=37.29%, PB=45.16%) and Polysiphonia sp. (LB=31.64%, PB=25.16%). Within Mollusca, the most frequent species were the commercial bivalves Ostrea edulis (LB=48.59%, PB=30.32%), Mytilus galloprovincialis (LB=23.16%, PB=16.13%) and the exotic bivalve A. transversa (LB=34.46%, PB=2.58%). A. transversa density varied spatially, however, nearly all A. transversa individuals colonised tiles at the depth of 5m. A. transversa was recorded at both depths at LB whereas it was only found on tiles at 5m depth at PB. The density was of 10 individuals per m2 and of 465 individuals per m2 at LB 1m depth and LB 5m depth, respectively. At PB 5m depth, the density was 35 individuals per m2. A. transversa might have been introduced in the north-eastern Adriatic Sea either by shipping or by aquaculture. Specimens of A. transversa were found on tiles during the first sampling occasion (June) and its density increased throughout August and November ; these results suggested a very long spawning period for this invasive species.

Anadara transversa ; alien species ; Northern Adriatic Sea

nije evidentirano

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Podaci o prilogu

16-16.

2016.

objavljeno

Podaci o matičnoj publikaciji

http://www.embs51.org/

Hellenic Centre for Marine Research

Lahti:

Podaci o skupu

51st European Marine Biology Symposium

poster

26.09.2016-30.09.2016

Rodos, Grčka

Povezanost rada

Biologija