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Diversity, occurrence, and habitats of the diatom genus Bacteriastrum (Bacillariophyta) in the northern Adriatic Sea, with the description of B. jadranum sp. nov.


Godrijan, Jelena; Marić, Daniela; Imešek, Mirna; Janeković, Ivica; Schweikert, Michael; Pfannkuchen, Martin
Diversity, occurrence, and habitats of the diatom genus Bacteriastrum (Bacillariophyta) in the northern Adriatic Sea, with the description of B. jadranum sp. nov. // Botanica marina, 55 (2012), 4; 415-426 doi:10.1515/bot-2011-0021 (međunarodna recenzija, članak, znanstveni)


Naslov
Diversity, occurrence, and habitats of the diatom genus Bacteriastrum (Bacillariophyta) in the northern Adriatic Sea, with the description of B. jadranum sp. nov.

Autori
Godrijan, Jelena ; Marić, Daniela ; Imešek, Mirna ; Janeković, Ivica ; Schweikert, Michael ; Pfannkuchen, Martin

Izvornik
Botanica marina (0006-8055) 55 (2012), 4; 415-426

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Bacteriastrum jadranum; diatom taxonomy; northern Adriatic Sea; phytoplankton

Sažetak
Ongoing phytoplankton monitoring programs over the last 12 years in the northern Adriatic Sea showed that the diatom genus Bacteriastrum is an important component of the pelagic diatom assemblage. The main goals of this study were to identify which Bacteriastrum species occur in the northern Adriatic Sea and describe their distributions. Bacteriastrum comosum and B. hyalinum f. princeps were rare, while B. delicatulum, B. hyalinum, and B. mediterraneum were frequently present, together with the newly proposed species B. jadranum, described herein. This new species is weakly silicified and is mainly characterized by a large aperture between each cell of the filament. Cells are connected to each other by 8–12 setae, which cross at a distance equivalent to the diameters of 2–3 cells. There is no difference in the orientation of the setae on the two terminal cells, hence the species is placed in the section Isomorpha. The new species was recorded throughout the study area, in both coastal and offshore waters, with higher cell abundances in the vicinity of the Po River during the September–October period. The maximum cell abundance of B. jadranum was 244.2 × 10 3 cells l- 1 in the surface waters at station 108 in September 2006, sometimes representing up to 46 % of the entire phytoplankton assemblage, as recorded in the surface waters of station 32 in October 2008.

Izvorni jezik
Engleski

Znanstvena područja
Geologija



POVEZANOST RADA


Projekt / tema
098-0982705-2731 - Mehanizam dugoročnih promjena u ekosustavu sjevernog Jadrana (Robert Precali, )

Ustanove
Institut "Ruđer Bošković", Zagreb

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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