Abundance and biomass of phytoplankton in the Black Sea near Gelendzhik in 2002-2005
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| Autores principales: | , , |
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| Formato: | Dataset Open Access |
| Lenguaje: | en |
| Publicado: |
PANGAEA
2007
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| _version_ | 1867169503929958400 |
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| author | Pautova, L A Mikaelyan, A S Silkin, V A |
| author_facet | Pautova, L A Mikaelyan, A S Silkin, V A |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | It is shown that in 2002-2005 mass development of coccolithofore Emiliania huxleyi on the Gelendzhik shelf (northeast Black Sea) occurred annually and in May-June its abundance reached 1500000 cells/l. In 2004-2005 bloom of E. huxleyi was accompanied by mass development of diatom alga Chaetoceros subtilis var. abnormis f. simplex (600000-900000 cells/l). For the first time it was registered as a dominating form of Black Sea phytoplankton. Small flagellates and picoplankton algae played a noticeable role in phytoplankton throughout the entire period of the studies. Meanwhile in the early summer period the bulk of biomass consisted of coccolithophores (50-60%), while in the late summer period diatomaceous algae dominated (50-70%). Among ecological factors that favor coccolithophore development one may note microstratification of the upper mixed layer at a high illumination level and high temperature in surface waters (18-21°C). Terrigenous runoff during the rainy period had a negative effect on E. huxleyi development, while storms dispersed the population over the upper mixed layer. A wind-induced near-shore upwelling stimulated development of diatoms. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_767393 |
| institution | PANGAEA |
| language | en |
| publishDate | 2007 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Abundance and biomass of phytoplankton in the Black Sea near Gelendzhik in 2002-2005 Pautova, L A Mikaelyan, A S Silkin, V A Archive of Ocean Data; ARCOD; Black Sea; Gelendzhik-Pol-02-05; Water sample; WS It is shown that in 2002-2005 mass development of coccolithofore Emiliania huxleyi on the Gelendzhik shelf (northeast Black Sea) occurred annually and in May-June its abundance reached 1500000 cells/l. In 2004-2005 bloom of E. huxleyi was accompanied by mass development of diatom alga Chaetoceros subtilis var. abnormis f. simplex (600000-900000 cells/l). For the first time it was registered as a dominating form of Black Sea phytoplankton. Small flagellates and picoplankton algae played a noticeable role in phytoplankton throughout the entire period of the studies. Meanwhile in the early summer period the bulk of biomass consisted of coccolithophores (50-60%), while in the late summer period diatomaceous algae dominated (50-70%). Among ecological factors that favor coccolithophore development one may note microstratification of the upper mixed layer at a high illumination level and high temperature in surface waters (18-21°C). Terrigenous runoff during the rainy period had a negative effect on E. huxleyi development, while storms dispersed the population over the upper mixed layer. A wind-induced near-shore upwelling stimulated development of diatoms. |
| title | Abundance and biomass of phytoplankton in the Black Sea near Gelendzhik in 2002-2005 |
| topic | Archive of Ocean Data; ARCOD; Black Sea; Gelendzhik-Pol-02-05; Water sample; WS |
| url | https://doi.org/10.1594/PANGAEA.767393 |