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Pregled bibliografske jedinice broj: 48668

Mass mortality event in a small saline lake (Lake Rogoznica) caused by unusual holomictic conditions


Barić, Ante; Grbec, Branka; Kušpilić, Grozdan; Marasović, Ivona; Ninčević, Živana; Grubelić, Ivana
Mass mortality event in a small saline lake (Lake Rogoznica) caused by unusual holomictic conditions // Scientia Marina, 67 (2003), 2; 129-141 (međunarodna recenzija, članak, znanstveni)


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Naslov
Mass mortality event in a small saline lake (Lake Rogoznica) caused by unusual holomictic conditions

Autori
Barić, Ante ; Grbec, Branka ; Kušpilić, Grozdan ; Marasović, Ivona ; Ninčević, Živana ; Grubelić, Ivana

Izvornik
Scientia Marina (0214-8358) 67 (2003), 2; 129-141

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

Ključne riječi
saline lake; mass mortality; holomictic; meromictic
(saline lake; mass mortality; holomictic; meromicic)

Sažetak
The study of small saline eutrophic lake was performed under the meromictic and holomictic conditions. Meromictic period is characterised by anoxic conditions in the bottom layer with high sulphide and nutrients concentrations. The depth of the nutricline varied as affected by thermohaline conditions in the water column. In late summer 1997, holomictic conditions replaced ordinary meromitic conditions of the lake. This transformation caused anoxia to spread throughout the water column to which mass mortality of almost all the organisms' occured. Upon this event, oxic conditions were re-established slowly as the new phytoplankton population developed. As the consequence of the particulate organic matter decay inorganic N and P concentrations increased and were doubled approximately six weeks after the mass mortality. The revitalisation of the phytoplankton population was initiated immediately after the mass mortality by the development of "microflagellatae" species, which were favoured by the high ammonia concentrations. The larger phytoplankton species (diatoms and dinoflagellatae) were developed at the expense of smaller ones when nitrate became dominant nutrient in the water column. A year after the mass mortality the composition of the phytoplankton population was the same as before.

Izvorni jezik
Engleski

Znanstvena područja
Geologija, Biologija



POVEZANOST RADA


Projekti:
0001005
0001001

Ustanove:
Institut za oceanografiju i ribarstvo, Split


Citiraj ovu publikaciju:

Barić, Ante; Grbec, Branka; Kušpilić, Grozdan; Marasović, Ivona; Ninčević, Živana; Grubelić, Ivana
Mass mortality event in a small saline lake (Lake Rogoznica) caused by unusual holomictic conditions // Scientia Marina, 67 (2003), 2; 129-141 (međunarodna recenzija, članak, znanstveni)
Barić, A., Grbec, B., Kušpilić, G., Marasović, I., Ninčević, Ž. & Grubelić, I. (2003) Mass mortality event in a small saline lake (Lake Rogoznica) caused by unusual holomictic conditions. Scientia Marina, 67 (2), 129-141.
@article{article, year = {2003}, pages = {129-141}, keywords = {saline lake, mass mortality, holomictic, meromictic}, journal = {Scientia Marina}, volume = {67}, number = {2}, issn = {0214-8358}, title = {Mass mortality event in a small saline lake (Lake Rogoznica) caused by unusual holomictic conditions}, keyword = {saline lake, mass mortality, holomictic, meromictic} }
@article{article, year = {2003}, pages = {129-141}, keywords = {saline lake, mass mortality, holomictic, meromicic}, journal = {Scientia Marina}, volume = {67}, number = {2}, issn = {0214-8358}, title = {Mass mortality event in a small saline lake (Lake Rogoznica) caused by unusual holomictic conditions}, keyword = {saline lake, mass mortality, holomictic, meromicic} }

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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