Comparison of benthic diatom community structures on natural and artificial substrates in marine lake (Adriatic Sea) (CROSBI ID 300181)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Car, Ana ; Hafner, Dubravka ; Dupčić Radić, Iris ; Kaleli, Aydin ; Ljubimir, Stijepo ; Nadir Solak, Cüneyt
engleski
Comparison of benthic diatom community structures on natural and artificial substrates in marine lake (Adriatic Sea)
In this study, the diatoms of three alternative habitats (epilithon, epiphyton and artificial substrate) were compared to understand the differences in composition on artificial and natural substrates. For this purpose, the samples were collected weekly between 11th August and 2nd September 2016 at a sampling site in a shallow marine lake, Mrtvo More (Dead Sea) on Lokrum Island near Dubrovnik (South Adriatic, Croatia). In addition to detailed light microscopic analysis, ultrastructural analysis of benthic diatoms from Lake Mrtvo More was performed for the first time using scanning electron microscopy (SEM). A total of 97 taxa were identified in 12 samples. Cocconeis scutellum Ehrenberg and Halamphora coffeiformis (C.Agardh) Levkov were the most frequent taxa in the samples. Shannon-Wiener diversity index (H’) values varied from 1.78 (in September on Padina sp.) to 4.52 (in August on glass). According to non-metric multidimensional scaling ordination, there were two groups: epilithon and artificial glass substrate as Group1 and macroalgae as Group2. The results of the analysis showed that the diatom communities developing on artificial substrates accurately corresponed to the diatom community of a rock substrate and thus can be used as a representative alternative tool for studies of epilithic diatoms in further experiments.
Bacillariophyta ; shallow marine lake ; species identification ; biodiversity ; NE Mediterranean
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Podaci o izdanju
Povezanost rada
Biologija, Interdisciplinarne prirodne znanosti, Kemija