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Pregled bibliografske jedinice broj: 581123

Phytoplankton size structure and species composition as an indicator of trophic status in transitional ecosystems: the case study of a Mediterranean fjord-like karstic bay


Bosak, Sunčica; Šilović, Tina; Ljubešić, Zrinka; Kušpilić, Grozdan; Pestorić, Branka; Krivokapić, Sladjana; Viličić, Damir
Phytoplankton size structure and species composition as an indicator of trophic status in transitional ecosystems: the case study of a Mediterranean fjord-like karstic bay // Oceanologia, 54 (2012), 2; 255-286 doi:10.5697/oc.54-2.255 (međunarodna recenzija, članak, znanstveni)


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Naslov
Phytoplankton size structure and species composition as an indicator of trophic status in transitional ecosystems: the case study of a Mediterranean fjord-like karstic bay

Autori
Bosak, Sunčica ; Šilović, Tina ; Ljubešić, Zrinka ; Kušpilić, Grozdan ; Pestorić, Branka ; Krivokapić, Sladjana ; Viličić, Damir

Izvornik
Oceanologia (0078-3234) 54 (2012), 2; 255-286

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

Ključne riječi
phytoplankton size-fractions; species composition; picophytoplankton; trophic status; carbon biomass; Adriatic Sea

Sažetak
The species composition and size-structure of the phytoplankton community in the Boka Kotorska Bay (SE Adriatic Sea) were analysed with respect to abundance and carbon biomass, together with the physico-chemical parameters, with the aim of evaluating the predefined oligo-mesotrophic status of this transitional water ecosystem. Three stations located in the inner part of the Bay were sampled with seasonal frequency in 2008/2009. Picophytoplankton cells were counted using flow cytometry ; nanophytoplankton and microphytoplankton were identified and counted by light microscopy. The relative importance of the picoplankton in the Bay, in terms of both abundance and biomass, during all the investigated seasons emphasized their significance in the phytoplankton community. Picocyanobacteria (Synechococcus) constituted a significant part of the summer assemblages with regard to both abundance (up to 3.38 × 10^8 cells L^-1) and carbon biomass (up to 73% of total phytoplankton carbon). The contribution of the nanophytoplankton was found to be generally low (< 20% of the total phytoplankton carbon) in all seasons, and was dominated by autotrophic/mixotrophic flagellates. Species with a preference towards nutrient- enriched conditions, like the diatom Skeletonema marinoi, dominated the microphytoplankton fraction. S. marinoi was the most abundant in spring/winter (up to 2.86 × 10^6 cells L^-1) above the halocline (making a 96% contribution to the microphytoplankton). The potentially toxin- producing diatom Pseudo-nitzschia pseudodelicatissima was recorded at abundances greater than 10^5 cells L^-1, together with Thalassionema frauenfeldii, as well as the dinoflagellates Prorocentrum micans and the potentially harmful P. minimum. The higher values of phytoplankton biomass and the dominance of phytoplankton species or groups with preferences for nutrient-enriched conditions appear to be consistent with the oligo-mesotrophic status of this specific ecosystem.

Izvorni jezik
Engleski

Znanstvena područja
Geologija, Biologija



POVEZANOST RADA


Projekti:
001-0013077-0845 - Uloga planktonskih zajednica u protoku energije i kruženju tvari u Jadranu (Krstulović, Nada, MZOS ) ( POIROT)
098-0982705-2729 - Struktura i fiziologija mikrobnih zajednica frontalnih zona sjevernog Jadrana (Najdek-Dragić, Mirjana, MZOS ) ( POIROT)
119-1191189-1228 - Struktura i razvoj zajednica mikroalga u trofičkom gradijentu (Viličić, Damir, MZOS ) ( POIROT)

Ustanove:
Institut za oceanografiju i ribarstvo, Split,
Institut "Ruđer Bošković", Zagreb,
Prirodoslovno-matematički fakultet, Zagreb

Citiraj ovu publikaciju:

Bosak, Sunčica; Šilović, Tina; Ljubešić, Zrinka; Kušpilić, Grozdan; Pestorić, Branka; Krivokapić, Sladjana; Viličić, Damir
Phytoplankton size structure and species composition as an indicator of trophic status in transitional ecosystems: the case study of a Mediterranean fjord-like karstic bay // Oceanologia, 54 (2012), 2; 255-286 doi:10.5697/oc.54-2.255 (međunarodna recenzija, članak, znanstveni)
Bosak, S., Šilović, T., Ljubešić, Z., Kušpilić, G., Pestorić, B., Krivokapić, S. & Viličić, D. (2012) Phytoplankton size structure and species composition as an indicator of trophic status in transitional ecosystems: the case study of a Mediterranean fjord-like karstic bay. Oceanologia, 54 (2), 255-286 doi:10.5697/oc.54-2.255.
@article{article, year = {2012}, pages = {255-286}, DOI = {10.5697/oc.54-2.255}, keywords = {phytoplankton size-fractions, species composition, picophytoplankton, trophic status, carbon biomass, Adriatic Sea}, journal = {Oceanologia}, doi = {10.5697/oc.54-2.255}, volume = {54}, number = {2}, issn = {0078-3234}, title = {Phytoplankton size structure and species composition as an indicator of trophic status in transitional ecosystems: the case study of a Mediterranean fjord-like karstic bay}, keyword = {phytoplankton size-fractions, species composition, picophytoplankton, trophic status, carbon biomass, Adriatic Sea} }
@article{article, year = {2012}, pages = {255-286}, DOI = {10.5697/oc.54-2.255}, keywords = {phytoplankton size-fractions, species composition, picophytoplankton, trophic status, carbon biomass, Adriatic Sea}, journal = {Oceanologia}, doi = {10.5697/oc.54-2.255}, volume = {54}, number = {2}, issn = {0078-3234}, title = {Phytoplankton size structure and species composition as an indicator of trophic status in transitional ecosystems: the case study of a Mediterranean fjord-like karstic bay}, keyword = {phytoplankton size-fractions, species composition, picophytoplankton, trophic status, carbon biomass, Adriatic Sea} }

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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