Checklist of marine diatoms from the Turkish coastal waters with updated nomenclature

Kaleli, Aydın; Akçaalan, Reyhan

doi:10.3153/ar21008

Cited by 8 publications

(5 citation statements)

References 33 publications

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“…The genera Navicula (109 species and ISTs), Nitzschia (99), Amphora (87), Cocconeis (57), Diploneis (47), Fallacia (33), Mastogloia (31), Lyrella (27), Achnanthes (27), Planothidium (24), Caloneis (21), Licmophora (21), and Cymbella (19) were the most prevalent in the Black Sea benthic diatom flora. Among benthic diatoms, the highest diversity levels at the genuslevel and species-level were the polyspecies families Naviculaceae (12 genera/180 species and ISTs), Bacillariaceae (7/124), Catenulaceae (5/106), Cocconeidaceae (3/63), Achnanthaceae (5/58), Fragilariaceae (18/54), Diploneidaceae (1/47), Pinnulariaceae (4/37), Sellaphoraceae (37/2), and Cymbellaceae (36/6).…”

Section: Resultsmentioning

confidence: 99%

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Taxonomic Structure and Diversity of Benthic Diatoms (Bacillariophyta) in the Northern Shelf of the Black Sea

Неврова

2023

Phycology

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The key role of benthic diatoms in coastal ecosystems highlights the relevance of studying their biodiversity and developing integrated biodiversity conservation measures. Benthic diatom richness in the northern part of the Black Sea was estimated based on both published data and our own data. The checklist of benthic diatoms includes 1100 species and intraspecific taxa, 953 species, 149 genera, 61 families, 32 orders, and 3 classes of Bacillariophyta. More than 280 species and intraspecific taxa, as well as 8 genera new to the diatom flora of the Black Sea and 7 species new to science, were revealed. An interregional analysis of the diversity of benthic Bacillariophyta along the coasts of Bulgaria, Romania, and Crimea, as well as the northwestern and northeastern parts of the Black Sea shelf, was carried out using the Taxonomic Distinctness Indices (TaxDI). The lowest TaxDI value for Crimea was closest to the average value expected for the Black Sea diatom flora, indicating a large proportion of polyspecies branches in the taxocene structure, which resulted in the maximum species richness (species/genus = 7) and led to a decrease in the vertical evenness of hierarchical tree. On the contrary, the highest TaxDI value was detected off the Romanian coast, which was caused by the significant proportion of mono- and oligospecies branches and minimal species saturation in the taxocene structure (species/genus = 4). We also identified some species with a high taxonomic exclusivity rank. If these species disappear, the entire architectonics of the Black Sea hierarchical tree of Bacillariophyta may be significantly altered. Such region-specific species are given the highest protection priority since they have great importance for gene pool conservation.

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Section: Resultsmentioning

confidence: 99%

“…There are also reports of new phytoplankton species found off the southern Black Sea [24,25]. Moreover, data on the discovery of new benthic diatom species found off the Black Sea coast of Turkey and Bulgaria appeared at the time of writing this manuscript [26][27][28].…”

Section: Introductionmentioning

confidence: 93%

Taxonomic Structure and Diversity of Benthic Diatoms (Bacillariophyta) in the Northern Shelf of the Black Sea

Неврова

2023

Phycology

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“…The current nomenclature of phytoplankton was checked and updated with the databases of AlgaeBase and WoRMs (World Register of Marine Species). The diatom species identified in the present study were carefully checked taking into account the latest article published related to the checklist of marine diatoms from the Turkish coastal waters (Kaleli and Akçaalan, 2022).…”

Section: Methodsmentioning

confidence: 99%

Spatial–temporal variability of phytoplankton community and potentially harmful species in the Golden Horn Estuary (Sea of Marmara, Türkiye)

Semin,

Tas,

Dursun

2023

J. Mar. Biol. Ass.

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Spatial–temporal variability of phytoplankton community and potentially harmful species in the Golden Horn Estuary (Sea of Marmara) was investigated from October 2018 to September 2019 together with some environmental factors. A total of 148 phytoplankton taxa were identified during the study period. Among these, 134 taxa (90.5%) consisted of diatoms (71 taxa, 48%) and dinoflagellates (63 taxa, 42.5%), while 14 taxa (9.5%) were other groups. Seventeen species were recorded for the first time in the study area. Species richness was highest in October, while it was lowest in August. The species diversity (H') varied according to sampling stations. Cell abundances were higher especially in the middle and upper estuary in spring and summer than in autumn and winter. The abundance of diatoms and euglenophyceans was highest in spring, while the abundance of raphidophycean and cryptophycean was highest in summer. Temperature was correlated positively with total abundance (P < 0.01), but negatively with species diversity (H') (P < 0.01). Several dense algal blooms causing discolouration in surface water occurred in spring and summer. A total of 12 microalgae species known as potentially toxic were detected during this study period. Among these, dinoflagellates Alexandrium cf. tamarense and Dinophysis infundibulum were recorded for the first time in the study area. The increase in species diversity and richness in the upper estuary, and the decrease in frequency of bloom events compared with the previous years indicated the changes in environmental conditions in this study period. Findings showed that phytoplankton might be used as an indicator of the changing environmental conditions in such ecosystems.

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“…There are 112 lagoons with an area of approximately 39,000 hectares on the Anatolian coast, a peninsula rich in deltas and coastal lagoons [18]. However, studies on diatom species richness in these lagoons and coastal transitional water bodies are limited [19]. The Kocaçay Delta, one of the important protected wetland areas in Türkiye, with high environmental heterogeneity, contains three coastal lagoons, a floodplain forest, and different habitats associated with them.…”

Section: Introductionmentioning

confidence: 99%

Environmental Heterogeneity and Salinity Gradient Impacted the Alpha and Beta Diversities of Diatom Assemblages in a Coastal Delta Wetland

Dalkıran,

Zünbülgil-Ünsal

2023

Water

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The coastal deltas are ecologically diverse and complex ecosystems that can contain different habitat types. The effect of environmental heterogeneity on diatom beta diversity is a poorly understood research topic. Freshwater (floodplain forest, river) and brackish (three lagoons) water bodies in the study area construct distinct environmental heterogeneity at a small spatial scale. The connection of the lagoons with an inland sea caused a high salinity gradient. All water bodies in the wetland were determined as hypereutrophic. CCA, Cluster, ANOSIM, and SIMPER analysis clearly explained the distribution of diatom assemblages according to salinity gradient and environmental heterogeneity. The environmental heterogeneity resulted in the presence of freshwater, brackish, and marine diatom species in the studied wetland. Diatom assemblages generally consist of freshwater species with euryhaline character adapted to wide salinity gradients. We determined the rapid replacement and richness difference in diatom assemblages due to environmental heterogeneity and salinity gradient causes high overall alpha, beta, and gamma diversity. Unlike many other studies, the high beta diversity mainly consists of the richness difference rather than species replacement. The high overall beta diversity showed low similarity between the habitats, while high overall alpha diversity exposed high species diversity at the local scale in the study area.

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Checklist of marine diatoms from the Turkish coastal waters with updated nomenclature

Cited by 8 publications

References 33 publications

Taxonomic Structure and Diversity of Benthic Diatoms (Bacillariophyta) in the Northern Shelf of the Black Sea

Taxonomic Structure and Diversity of Benthic Diatoms (Bacillariophyta) in the Northern Shelf of the Black Sea

Spatial–temporal variability of phytoplankton community and potentially harmful species in the Golden Horn Estuary (Sea of Marmara, Türkiye)

Environmental Heterogeneity and Salinity Gradient Impacted the Alpha and Beta Diversities of Diatom Assemblages in a Coastal Delta Wetland

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