TY  - JOUR
T1  - Entomoneis parikhani sp.nov., a new diatom (Entomoneidaceae, Bacillariophyta) from Aras River (Iran)
TT  - Entomoneis parikhani sp.nov., Aras Nehri (İran)’nden yeni bir diatom (Entomoneidaceae, Bacillariophyta)
AU  - Parikhani, Fatemeh
PY  - 2024
DA  - September
Y2  - 2024
DO  - 10.12714/egejfas.41.3.06
JF  - Ege Journal of Fisheries and Aquatic Sciences
JO  - EgeJFAS
PB  - Ege Üniversitesi
WT  - DergiPark
SN  - 2148-3140
SP  - 213
EP  - 219
VL  - 41
IS  - 3
LA  - en
AB  - The diatom Entomoneis has a series of unique features such as connecting lines with different shapes, sigmoid raphe on the bilobate keel, different curtains, and multiple girdle bands. Most species belonging to this genus are found in marine and saline habitats. In fact, the genus Entomoneis is an epipelic diatom that is found in streams with high salinity and high electrolyte concentration. To date, no specific type of freshwater has been identified for this species. In this study, a new species of freshwater diatom, Entomoneis parikhani, is described based on detailed morphological observations using a scanning electron microscope. The samples were collected the Aras River near Oltan village of Parsabad city in the northwest Iran. A special feature of Entomoneis parikhani is its triple valve. The genus Entomoneis comprises of diatoms with sigmoidal raphe canals and girdle bands. This taxon is similar to Entomoneis annagodhei and Entomoneis tenera, as shown by LM and SEM observations, and there are sufficient morphological differences to separate Entomoneis parikhani. This new species had very small cells, delicate frustules without valve lines, and wide lanceolate valves. In this study, the wide distribution of this taxon in the Aras River has been evaluated.
KW  - Entomoneis
KW  - new taxon
KW  - Aras River
N2  - Çift taraflı simetrik bir lobut görümünündeki diyatom türü Entomoneis, vücut yapısı üzerinde sigma yapan rafesi, farklı şekillerde görülen bağlantı hatlarıyla diğer diyatom türlerinden şekil olarak ayrılır. Bu cinse ait türlerin çoğu denizel ve tuzlu habitatlarda bulunur. Aslında, Entomoneis cinsi yüksek tuzluluk ve yüksek elektrolit konsantrasyonuna sahip akarsularda bulunan bir epipelik diyatomdur. Bugüne kadar, bu tür için belirli bir tatlı su tipi tanımlanmamıştır. Bu çalışmada, taramalı elektron mikroskobu kullanılarak yapılan ayrıntılı morfolojik gözlemlere dayanarak yeni bir tatlı su diyatomu türü olan Entomoneis parikhani tanımlanmıştır. Örnekler, İran'ın kuzeybatısındaki Parsabad şehrinin Oltan köyü yakınlarındaki Aras Nehri'nden toplanmıştır. Yeni bir diyatom türü olan Entomoneis parikhani'nin özel bir yapısı üçlü valfidir. Entomoneis cinsi, sigma yapan rafe kanallarına ve kuşak bantlarına sahip olan bir cinstir. Bu takson, LM ve SEM gözlemleriyle gösterildiği üzere Entomoneis annagodhei ve Entomoneis tenera'ya benzerdir ve Entomoneis parikhani'yi ayırmak için yeterli morfolojik farklılıklar vardır. Bu yeni türün çok küçük hücreleri mevcuttur, früstülleri çok ince yapıda olup kapak çizgileri ise mevcut değildir ve kapakları da geniştir. Bu çalışmada, bu taksonun Aras Nehri'ndeki geniş dağılımı değerlendirilmiştir.
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UR  - https://doi.org/10.12714/egejfas.41.3.06
L1  - https://dergipark.org.tr/tr/download/article-file/4013026
ER  -