Distribution of phytoplankton in the southern Black Sea in summer 1996, spring and autumn 1998

Eker-Develi, Elif; Kıdeyş, Ahmet E.

doi:10.1016/s0924-7963(03)00031-9

Cited by 64 publications

(30 citation statements)

References 12 publications

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“…The value of 400 lg l )1 found here (in March) for the southern Caspian Sea therefore is notably higher than the summer 1934-1976 value. Our mean value from the entire sampling area (580 ± 690 lg l )1 ) is also higher than the mean biomass obtained in the southern Black Sea for the same month (170 ± 91 lg l )1 ; Eker et al, 1999;Eker-Develi & Kideys, 2003).…”

Section: Discussioncontrasting

confidence: 67%

Phytoplankton distribution in the Caspian Sea during March 2001

et al. 2005

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Phytoplankton abundance, biomass and species composition of the Caspian Sea were evaluated by using samples collected from the Iranian (southern Caspian Sea) and southern Kazakhstan (eastern Caspian Sea) surface waters in March 2001. A total of 45 taxa were found in the samples (20 diatoms, 17 dinoflagellates and 8 others). Abundance and biomass of diatoms were high at the eastern stations, while dinoflagellates were dominant in terms of both biomass and abundance in the southern region. Average abundance and biomass were 40 000 ± 35 000 cell l )1 and 580 ± 690 lg l )1 . The mean biomass value found here for the Middle and southern Caspian Sea in March are difficult to compare with the past due to limited information, but seems higher than previously registered values. Higher chlorophyll values were also apparent from the SeaWIFS images in 2001 compared to those in 1998. This is suggested to be due to decreased grazing of phytoplankton by zooplankton which is voraciously preyed by the recent invasive ctenophore Mnemiopsis leidyi.

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Section: Discussioncontrasting

confidence: 67%

Phytoplankton distribution in the Caspian Sea during March 2001

et al. 2005

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“…unique marine environment representing the largest landlocked/semi-enclosed and the deepest anoxic basin in the world oceans Yilmaz et al, 2006), and receives considerable amount of chemicals, organic matter, and nutrients from the rivers around it (Eker-Develi and Kideys, 2003;Yilmaz et al, 2006). However, the presence of a strong cyclonic rim current system prevents water and material transport from coastal waters to the interior waters of the basin.…”

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confidence: 99%

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Ağırbaş¹,

Feyzioglu²,

Kopuz³

2014

Turk. J. Fish. Aquat. Sci.

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“…However, in the present study, it was thought that rather than the composition and concentration of the phytoplankton consumed, differences in location and timeframe of the sampling may be a factor in the level of lipid accumulation. Black Sea phytoplankton abundance, biomass, and species composition continuously varies depending on seasonal and regional changes (Eker-Develi and Kideys, 2003).…”

Section: Fatty Acid Profilementioning

confidence: 99%

Seasonal changes in abundance, lipid and fatty acid composition of Calanus euxinus in the South-eastern Black Sea

et al. 2017

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). Average total lipid content was determined as percentage (%) and per individual (mg ind -1 ). It was proportionally highest in February (7.03%) and lowest in September (3.02%). However, average lipid content per individual was highest in February (0.11 mg ind -1 ) and lowest in September and November (0.04 mg ind -1 ). Major fatty acids in C. euxinus were identified as 16:0, 16:1 n-7, EPA and DHA. ∑SFA, ∑MUFA, ∑PUFA and ∑HUFA were observed to be correlated with temperature. ∑SFA and ∑MUFA increased with the rise in temperature (r 2 =0.74, r 2 =0.73, p<0.05, respectively) whereas ∑PUFA and ∑HUFA increased as temperature decreased (r 2 =-0.73, r 2 =-0.80, respectively, p<0.05). Additionally, while ∑PUFA and ∑HUFA increased (r 2 =0.61, r 2 =-0.68, respectively, p<0.05), ∑MUFA decreased (r 2 =-0.68, p<0.05) as chlorophyll-a increased. It was observed that the degree of unsaturation increased as temperature decreased. Results of the study revealed that C. euxinus has rich lipid content as well as fatty acid composition and it plays an important role in the South-eastern Black Sea ecosystem functionalities especially having key role in energy fluxes to higher trophic levels.

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Distribution of phytoplankton in the southern Black Sea in summer 1996, spring and autumn 1998

Cited by 64 publications

References 12 publications

Phytoplankton distribution in the Caspian Sea during March 2001

Phytoplankton distribution in the Caspian Sea during March 2001

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Seasonal changes in abundance, lipid and fatty acid composition of Calanus euxinus in the South-eastern Black Sea

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