Relationship between marine epilithic diatoms and environmental variables in oligotrophic bay, NE Mediterranean

 
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Relationship between marine epilithic diatoms and environmental variables in oligotrophic bay, NE Mediterranean (EN)

CAR, ANA
JASPRICA, NENAD
KAPETANOVIĆ, TATJANA
DUPČIĆ RADIĆ, IRIS
HAFNER, DUBRAVKA

Croatian Ministry of Science, Education and Sports (project 275-0000000-3186) (EN)
Croatian science foundation (HRZZ, IP-2014-09-2945) (EN)

The taxonomic composition and structure of a marine epilithic diatom community were sampled from the bottom of the two sites at monthly intervals from January to December 2011 in the small semi-enclosed oligotrophic Neum Bay in Bosnia and Herzegovina (Middle Adriatic). Altogether, 264 diatom taxa (species and infraspecific taxa) within 69 genera were identified. Among them, 149 and 203 taxa occurred in samples from the shallow (0.5 m depth) and deep (8 m depth) sites, respectively. The monthly distribution of most of the diatoms was irregular and high numbers of sporadic taxa were found. SIMPER analysis indicated that the difference between shallow and deep sites could be largely attributed to the frequently recorded diatom taxa and those with high percentage abundances. They were Halamphora coffeiformis, Caloneis excentrica, Cocconeis scutellum var. scutellum, Licmophora flabellata, Licmophora gracilis, Licmophora sp., Navicula abunda, Rhabdonema adriaticum, and Striatella unipunctata. Canonical Correspondence Analysis (CCA) showed that temperature, oxygen saturation (O2/O2′), silicate concentration (SiO4), and salinity were the most important factors influencing diatom community structure in the bay. (EN)

info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
light microscopy; relative abundance; statistical analysis (EN)

diversity (EN)
Bacillariophyta (EN)
environmental factors (EN)
eastern Adriatic (EN)
Marine biology (EN)
shallow-water habitat (EN)
Bosnia and Herzegovina (EN)

Ελληνικό Κέντρο Θαλασσίων Ερευνών (ΕΛΚΕΘΕ) (EL)
Hellenic Centre for Marine Research (HCMR) (EN)

Mediterranean Marine Science

Αγγλική γλώσσα

2018-07-30


Hellenic Centre for Marine Research (EN)

from January to December 2011 (EN)
The diatoms were scraped from the stones at two depths; water samples were taken for chemical analysis (EN)
Mediterranean Sea, Adriatic Sea (EN)

1791-6763
1108-393X
Mediterranean Marine Science; Vol 19, No 2 (2018); 223-239 (EL)
Mediterranean Marine Science; Vol 19, No 2 (2018); 223-239 (EN)

Copyright (c) 2018 Mediterranean Marine Science (EN)



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