Taxonomic survey of benthic diatoms on natural substrata from coastal lagoon (Aegean sea, Turkey)

Epilitik diyatomelerin tür kompozisyonu, Homa lagününün (Ege Denizi, Türkiye) kıyısal zonunda incelenmiştir. İstasyonlar, çalışma bölgesinin farklı kıyısal zonlarında yer almaktadır ve hidrolojik açıdan birbirlerinden farklıdır. Alınan örnekler, taş üzerinde bulunan diyatomeleri, taş üzerine biriken kum taneciklerine yapışarak yaşayan diyatomeleri ve diğer algler üzerinde bulunan epifitik diyatomeleri kapsamaktadır ve bu kommunite epiliton olarak ifade edilmektedir. Kommunitenin büyük çoğunluğunu oluşturan epilitik diyatome türleri toplanan materyalde incelenmiş, 34 genusa ait toplam 67 taxa, tür ve genus seviyesinde tanımlanmıştır. Cocconeis placentula, Cocconeis scutellum, Mastogloia pumila, Navicula cincta and Navicula crypyocephala var. veneta türleri örnekleme boyunca sık bulunan türlerdir. Araştırma döneminde saptanan türlerin 9 tanesi Türkiye kıyısal suları için daha önceden rapor edilmemiştir. Bu türlere ait detaylı morfolojik özellikler ve orijinal fotoğraflar çalışmaya eklenmiştir.

Kıyısal lagündeki (Ege Denizi, Türkiye) doğal substratumda bulunan bentik diyatomelerin taksonomik olarak incelenmesi

The taxonomical composition of epilithic diatoms was investigated at intertidal zone of Homa lagoon, Aegean sea, Turkey. The stations are located in different littoral zones of the study area and they are different from each other in terms of hydrological respect. The samples contained a mixture of forms growing on the stones themselves, on silt accumulated on the stones and forms epiphytic on other algae, I will refer to this collective community as epilithon. Epilithic diatom species, which constitute the majority of the community were examined from obtained material. A total of 67 diatom taxa belonging to 34 genera were identified to the genus or species level. The species more frequently found in the samples were Cocconeis placentula, Cocconeis scutellum, Mastogloia pumila, Navicula cincta and Navicula crypyocephala var. veneta. Nine of the species identified during the research period seem to be previously unreported for Turkish coastal waters. Morphological characteristics of these species were given in detail information and original photographs.

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