Ecological and geographical distributions of the planktonic protista in the southern parts of the Black Sea (Neritic waters of Sinop Peninsula, Turkiye)

Karadeniz'in güney bölgelerindeki (Sinop Yarımadası kıyısal suları) planktonik protista türlerinin ekolojik ve coğrafik dağılımları. Bu çalışmada, Ağustos-1995 ve Temmuz-1996 periyodunda, belirlenen 210 taksa planktonik protista (fitoplankton-protozooplankton) türünün taksonomik analizleri ile birlikte ekolojik ve coğrafik dağılımları irdelenmiştir. Taksonomik analizler sonucunda 1 tür Cyanophyceae, 89 taksa Dinophyceae, l tür Prymnesiophyceae, 5 taksa Dictyochophyceae, 94 taksa Bacillariophyceae, l tür Euglenophyceae, l tür Acantharea ve 18 tür Ciliata ayırt edilmiştir. Bu çalışmada, ayrıca, türlerin coğrafik dağılımlarına göre 76 taksa (total'in % 36.2'si) kozmopolit, 30 taksa (total'in % 14.3'ü) boreal, 18 taksa (total'in % 8.6'sı) arkto-boreal, 58 taksa (total'in % 27.6'sı) boreal-tropikal, 5 taksa (total'in % 2.4'ü) tropikal, 2 taksa (total'in %' 0.9'u) subtropikal, 18 taksa (total'in % 8.6'sı) tropikal-subtropikal, 1 tür (total'in % 0.5'i) boreal-ponti-kaspian-endemik ve 2 taksa (total'in % 0.9'u) global dağılımı belli olmayan tür ayırt edilmiştir. Ekolojik dağılımlarına göre de, 194 taksa (total'in % 92.4'ü) denizel, 9 taksa (total'in % 4.3'ü) denizel-acısu, 6 taksa (total'in % 2.8'i acısu, l tür (total'in % 0.5'i) acısu-tatlısu kökenli tür ayırt edilmiştir. Seçilen örnekleme, pelajik örnekleme tipi olmakla birlikte, numunelerde 179taksa (total'in % 85.2'si) pelajik orijinli tür ile birlikte 31 taksa (total'in % 14.8'i) benlik orijinli tür ayırt edilmiştir. Bu çalışmada, ekolojik ve coğrafik gruplarla birlikte planktonik protista türlerinin bir listesi de verilmektedir.

Anahtar Kelimeler:

taksonomi, coğrafi dağılım, ekoloji, fitoplankton, Karadeniz, zooplankton

Karadeniz' in güney bölgelerindeki (SinopYarımadası kıyısal suları) planktonik protista türlerinin ekolojik ve coğrafik dağılımları

In this study, ecological and geographical distributions together with taxonomical analysis of 210 planktonic protista (phytoplankton+protozooplankton) species fixed in the neritic waters of Sinop peninsula in the Southern part of the Black Sea between August-1995 and July-1996 were exposed. In the result of taxonomical analysis, one species of Cyanophyceae, 89 taxa of dinophyceae, 1 species of Prymnesiophyceae, 5 taxa of dictyochophyceae, 94 taxa of Bacillariophyceae, 1 species of Euglenophyceae, 1 species of Acantharea and 18 species of Ciliata were idendified. According to the geographical distributions, 76 taxa (36.2 % of total) are cosmopolitan, 30 taxa (14.3 % of total) are boreal, 18 taxa (8.6 of total) are arcto-boreal, 58 taxa (27.6 % of total) are boreal-tropical, 5 taxa (2.4 % of total) are tropical, 2 taxa (0.9 of total) are subtropical, 18 taxa (8.6 % of total) are tropical-subtropical, one species (0.5 % of total) is boreal-ponticaspian-endemic, 2 species (0.9 % of total) in global distribution is non clarifield. According to the ecological distributions of the species, it was found that 194 taxa (92.4 % of total) are marine species, 9 taxa (4.3 of total) are marine-brackishwater species, 6 taxa (2.8 % of total) are brackishwater species, one taxa (0.5 % of total) is brackish-freshwater species. Despite the fact that the pelagic net sampling was used, benthic originated species in 31 taxa (14.8 % of total) were found along with 179 taxa (85.2 % of total) in originated species among the samples. A list of planktonic protista species together with their ecological and geographical characteristics was prepared.

Keywords:

taxonomy, geographical distribution, ecology, phytoplankton, Black Sea, zooplankton,

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