&lt;strong&gt;The genus &lt;em&gt;Cystoseira s.l.&lt;/em&gt; (Ochrophyta, Fucales, Sargassaceae) in the Black Sea: morphological variability and molecular taxonomy of &lt;em&gt;Gongolaria&lt;/em&gt; &lt;em&gt;barbata&lt;/em&gt; and endemic &lt;em&gt;Ericaria crinita&lt;/em&gt; f. &lt;em&gt;bosphorica comb. nov.&lt;/em&gt;&lt;/strong&gt;

Sadogurska, Sofia S.; Neiva, João; Falace, Annalisa; Serrão, Ester A.; Israel, Álvaro

doi:10.11646/phytotaxa.480.1.1

Cited by 18 publications

(37 citation statements)

References 1 publication

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“…За результатами порівняльно-морфологічного та молекулярнофілогенетичного вивчення для Чорного моря було показано, що водорості з роду Cystoseira s. l. представлені видами, які філогенетично належать до родів Ericaria та Gongolaria (Sadogurska et al, 2021): Ericaria crinita f. bosphorica (Sauvageau) S.S.Sadogurska, J.Neiva et A.Israel та Gongolaria barbata (Stackhouse) Kuntze.…”

Section: вступunclassified

“…2, Г). Зразки характеризуються великим діапазоном морфологічної мінливості, що залежить від сезону та впливу хвиль (Sadogurska et al, 2021). Зокрема, розмір талому, довжина стовбурів, форма та розмір рецептакулів і повітряних пухирів мають найбільшу пластичність.…”

Section: результатиunclassified

“…inval. По-друге, якщо автори й мали на увазі номенклатурну комбінацію Cystoseira barbata f. repens, то вона аж ніяк не може бути синонімом Cystoseira aurantia sensu Orellana et al (2019), що віднесена авторами до роду Cystoseira s.s., оскільки C. barbata є представником роду Gongolaria (Sadogurska et al, 2021).…”

Section: результатиunclassified

“…Типовий зразок цього таксону було відібрано біля узбережжя Кримського п-ова (Zinova, Kalugina, 1974;Mikhaylova, Sokolova, 2020), а результати наших молекулярних досліджень показують наявність у північній частині Чорного моря лише двох таксонів, що належать до родів Ericaria та Gongolaria. Зразки прикріплених цистозір із Джарилгацької бухти на основі молекулярно-філогенетичного аналізу віднесені нами до виду Gongolaria barbata (Sadogurska et al, 2021).…”

Section: результатиunclassified

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Unattached Cystoseira s. l. in the Black Sea: taxonomy of Gongolaria barbata f. repens comb. nov.

Sadogurska¹

2021

Algologia

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Brown algae of the genus Cystoseira s. l. are key species in the Mediterranean basin, including the Black Sea and the Sea of Azov. In addition to the typical attached forms of Cystoseira sensu lato (Ericaria crinita f. bosphorica (Sauvageau) S.S.Sadogurska, J.Neiva et A.Israel, and Gongolaria barbata (Stackhouse) Kuntze), an unattached form was previously described for the Black Sea. The taxonomic status of this taxon remained uncertain. According to the results of a comparative morphological analysis, it is shown that the Black Sea unattached samples belong to the species Gongolaria barbata. But unattached thalli, collected in the Dzharylhach Bay in the seagrass meadows of Zostera marina L., have morphological differences. Thalli are 30–50 cm long, light brown or yellow-brown; the holdfast is absent, the main axis is reduced or, if present, very short and thin (2–4 mm). Lateral branches are thin (2–3 mm), smooth; their length is 15–30 cm. The ultimate branches are filamentous, sometimes with oval-shaped aerocysts, single or arranged in chains. Receptacles are rarely present, spindle-shaped, 8–12 mm in length, without spines, but with a sterile mucron at the end. Therefore, a new nomenclature combination is proposed: Gongolaria barbata f. repens (A.D. Zinova & Kalugina) S.S. Sadogurska comb. nov. It is shown that the nomenclature combination Cystoseira concatenata f. repens A.D.Zinova & Kalugina is invalid. In addition, it is shown that the unattached Gongolaria barbata f. repens is not synonymous with the species Cystoseira aurantia Kützing sensu Orellana et al. (2019), which authors previouslyrearranged to the genus Cystoseira s.s. Analysis of phylogenetic trees from the works by different authors showed that unattached samples from the Mediterranean Sea and the Atlantic Ocean do not belong to the Gongolaria barbata clade and may be unattached forms of other species.

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Section: вступunclassified

Section: результатиunclassified

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Unattached Cystoseira s. l. in the Black Sea: taxonomy of Gongolaria barbata f. repens comb. nov.

Sadogurska¹

2021

Algologia

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“…(Orellana et al, 2019;Molinari, Guiry, 2020). Представники двох останніх родів зустрічаються в Чорному морі (Sadogurska et al, 2021).…”

Section: результати та обговоренняunclassified

Composition and distribution of macrophytobenthos near the coast of Tarkhankut Peninsula (The Black Sea, Crimea)

Sadogurskiy¹,

Sadogurska²,

Belich³

2021

Algologia

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The data on the composition and distribution of macrophytobenthos of marine and lagoon water areas of the Black Sea coastal zone in the west of the Tarkhankut Peninsula in the summer season are presented. It is shown that the occurrence and general characteristics of the vegetation cover are determined by the type of substrate. In the sea (where hydrological conditions are relatively homogeneous), the ratio of ecological-floristic groups and the species composition change with distance from the coast and along with it, depending on the depth and geomorphological features of coastal zone fragments. In the lagoon, the ratio of such groups changes along the complex gradient of environmental factors, formed by the groundwater runoff of fresh and marine waters. Within the surveyed area, 91 species of macrophytes were registered: Tracheophyta – 1 species (1.1%), Chlorophyta – 23 (25.3%), Ochrophyta (Phaeophyceae) – 21 (23.1%), and Rhodophyta – 46 (50.5%). Of these, 87 species were recorded in the sea (including 44 in the pseudolittoral zone and 81 – in the sublittoral zone). The macrophytobenthos has a pronounced marine oligosaprobic character. Short-vegetation Rhodophyta dominate by the number of species, and perennial Phaeophyceae dominate by biomass, reaching 1 kg∙m-2 in the pseudolittoral and almost 7 kg∙m-2 in the sublittoral. In the lagoon, 18 species of macrophytes were registered (4 exclusively in the lagoon). Mesosaprobic short-vegetation Rhodophyta dominate by the number of species; marine and brackish-water macrophytes are equally represented. Polysaprobic perennial Tracheophyta, which belong to the marine group, dominate by biomass, which is ranging from 0.04 to 1.2 kg∙m-2. It was found that at the time of the research, the macrophytobenthos of the surveyed area was characterized by high productivity, high species, and coenotic diversity. There were taxa and biotopes, which are subject to special protection under regional and international programs. In general, the nature of the vegetation, the composition of the flora and the ratio of the main ecological-floristic indicators corresponded to those indicated for the Tarkhankut-Sevastopol hydrobotanical region of the Black Sea. Considering the sozological value, the aquatic component of the territorial-aquatic complex was recommended for conservation and inclusion in the ecological networks (incl. the Emerald Network). The increased anthropogenic pressure and the threat of the coastal zone transformation actualize the problem of its conservation as one of the key reserves of the floristic and biotopic diversity of coastal-marine areas in the Northern Black Sea region.

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Contribution to the chemodiversity of ex Cystoseira sp. - Gongolaria barbata and Ericaria crinita from the Adriatic Sea: Volatiles, fatty acids and major pigments

et al. 2022

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<strong>The genus <em>Cystoseira s.l.</em> (Ochrophyta, Fucales, Sargassaceae) in the Black Sea: morphological variability and molecular taxonomy of <em>Gongolaria</em> <em>barbata</em> and endemic <em>Ericaria crinita</em> f. <em>bosphorica comb. nov.</em></strong>

Cited by 18 publications

References 1 publication

Unattached Cystoseira s. l. in the Black Sea: taxonomy of Gongolaria barbata f. repens comb. nov.

Unattached Cystoseira s. l. in the Black Sea: taxonomy of Gongolaria barbata f. repens comb. nov.

Composition and distribution of macrophytobenthos near the coast of Tarkhankut Peninsula (The Black Sea, Crimea)

Contribution to the chemodiversity of ex Cystoseira sp. - Gongolaria barbata and Ericaria crinita from the Adriatic Sea: Volatiles, fatty acids and major pigments

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