Factors affecting the distribution of two Synechococcus ecotypes in the coastal Adriatic Sea

Distribution and abundance of two Synechococcus ecotypes, phycocyanin-rich cells (PC-SYN) and phycoerythrin-rich cells (PE-SYN) were studied in the surface layer of the central Adriatic Sea during the 2015-2016 period. The studied area included several estuarine areas and coastal to open sea trophic...

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Permalink: http://skupni.nsk.hr/Record/nsk.NSK01001028981/Details
Matična publikacija: Acta Adriatica (Online)
59 (2018), 1 ; str. 51-60
Glavni autori: Šantić, Danijela (Author), Šolić, Mladen, Marin, Ivana, Vrdoljak Tomaš, Ana, Kušpilić, Grozdan, Ninčević Gladan, Živana
Vrsta građe: e-članak
Jezik: eng
Predmet:
Online pristup: https://doi.org/10.32582/aa.59.1.4
Hrčak
Acta Adriatica (Online)
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100 1 |a Šantić, Danijela  |4 aut 
245 1 0 |a Factors affecting the distribution of two Synechococcus ecotypes in the coastal Adriatic Sea  |h [Elektronička građa] /  |c Danijela Šantić, Mladen Šolić, Ivana Marin, Ana Vrdoljak, Grozdan Kušpilić, Živana Ninčević Gladan. 
300 |b Ilustr. 
504 |a Bibliografija: str. 57-59. 
504 |a Summary ; Sažetak. 
520 |a Distribution and abundance of two Synechococcus ecotypes, phycocyanin-rich cells (PC-SYN) and phycoerythrin-rich cells (PE-SYN) were studied in the surface layer of the central Adriatic Sea during the 2015-2016 period. The studied area included several estuarine areas and coastal to open sea trophic gradients, covering a wide range of seawater temperatures \((11.82 - 20.75 oC)\), salinity (4.47 - 38.84) and nutrient concentration. The abundance of PC-SYN ranged from \( 0 to 79.79 x 10 3 cell mL -1\) and that of PE-SYN from \(5.01 x 10 3 to 76.74 x 10 3 cell mL -1\). Both ecotypes coexisted in the studied waters with PC-SYN cells dominating during spring and PE-SYN during winter and autumn. PC-SYN showed a significant positive relationship with temperature and strong positive responses to nitrogen nutrients, whereas PE-SYN positively responded to phosphate availability. The relative ratio of phosphorus availability and total inorganic nitrogen nutrients (N/P ratio) affects the spatial distribution of the two Synechococcus ecotypes. 
520 |a U radu je istražena raspodjela i brojnost dva ekotipa roda Synechococcus, tzv. stanice bogate fikocijaninom (PC-SYN) i stanice bogate fikoeritrinom (PE-SYN) u površinskom sloju vodenog stupca, tijekom 2015. i 2016. godine. Područje istraživanja obuhvaćalo je nekoliko estuarijskih područja te područje trofičkog gradijenta od obale prema otvorenom moru, širokog raspona temperature mora \((11.82 - 20.75 oC)\), saliniteta (4.47-38.84) i koncentracije hranjiva. Brojnost PC-SYN bila je u rasponu od \( 0 to 79.79 x 10 3 cell mL -1\), a PE-SYN od \(5.01 x 10 3 to 76.74 x 10 3 cell mL -1\). Utvrđeno je istovremeno obitavanje oba ekotipa na istraživanom području, s prevladavanjem PC-SYN tijekom proljeća te PE-SYN tijekom zime i jeseni. Pokazana je statistički značajna povezanost između PC-SYN i temperature te njegova jaka pozitivna povezanost s dušikovim spojevima, dok su PE-SYN stanice pozitivno odgovorile na dostupnost fosfata. Relativni omjer dostupnosti fosfora i ukupnih hranjiva dušika (N/P omjer) utjecao je na prostornu raspodjelu oba ekotipa roda Synechococcus. 
653 0 |a Fikoeritrinom  |a Dušik  |a Fosfor  |a Synechococcus  |a Trofičko stanje  |a Ekološki čimbenici 
653 5 |a Jadransko more 
700 1 |a Šolić, Mladen  |4 aut 
700 1 |a Marin, Ivana  |4 aut 
700 1 |a Vrdoljak Tomaš, Ana  |4 aut 
700 1 |a Kušpilić, Grozdan  |4 aut 
700 1 |a Ninčević Gladan, Živana  |4 aut 
773 0 |t Acta Adriatica (Online)  |x 1846-0453  |g 59 (2018), 1 ; str. 51-60  |w nsk.(HR-ZaNSK)000601824 
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856 4 0 |u http://jadran.izor.hr/acta/pdf/59_1_pdf/59_1_4.pdf  |y Acta Adriatica (Online)