The alien brown alga Scytosiphon dotyi M.J. Wynne (Phaeophyceae, Scytosiphonaceae) is reported for the first time in Turkey. This species was collected growing epilithically in the midlittoral zone in the Dardanelles (Sea of Marmara, Turkey)

TASKIN, E.

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E. TASKIN

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    Mediterranean Marine Science   Vol 13, No 1 (2012)       First report of the alien brown alga Scytosiphondotyi M.J. Wynne (Phaeophyceae,Scytosiphonaceae) in Turkey   E. TASKIN     doi: 10.12681/mms.21         To cite this article:  TASKIN, E. (2012). First report of the alien brown alga Scytosiphon dotyi M.J. Wynne (Phaeophyceae,Scytosiphonaceae) in Turkey. Mediterranean Marine Science, 13(1), 33–35. https://doi.org/10.12681/mms.21Powered by TCPDF (www.tcpdf.org)https://epublishing.ekt.gr  |  e-Publisher: EKT  |  Downloaded at: 14/01/2023 13:38:34Medit. Mar. Sci., 13/1, 2012, 33-35 33First report of the alien brown alga Scytosiphon dotyi M.J. Wynne(Phaeophyceae, Scytosiphonaceae) in TurkeyE. TAŞKINDepartment of Biology, Faculty of Arts and Sciences, Celal Bayar University, Muradiye-Manisa 45140, TurkeyCorresponding author: etaskin74@yahoo.comReceived: 20 December 2011; Accepted: 31 January 2012;  Published on line: 24 February 2012Abstract The alien brown alga Scytosiphon dotyi M.J. Wynne (Phaeophyceae, Scytosiphonaceae) is reported for the first time in Tur-key. This species was collected growing epilithically in the midlittoral zone in the Dardanelles (Sea of Marmara, Turkey).Keywords: Alien algae, brown algae, Phaeophyceae, Scytosiphon dotyi, Turkey. Short CommunicationMediteranean Marine ScienceIndexed in WoS (Web of Science, ISI Thomson) and SCOPUSThe journal is available on line at http://www.medit-mar-sc.netIntroductionThe genus Scytosiphon nom. cons. was established by C. Agardh (1820:160) based on Scytosiphon filum var. lomentarius (Lyngbye) C. Agardh. The currently accept-ed name of the type species is Scytosiphon lomentaria (Lyngbye) Link type cons., which was based on Chor-da lomentaria Lyngbye (1819). Thalli in this genus are erect, tubular, parenchymatously constructed, each cell with a single plate-like plastid, plurilocular sporangia in sorus and with or without ascocysts. Compsonema-like, Ralfsia-like and Microspongium-like microthalli were re-ported for Scytosiphon (Nakamura, 1965; Wynne, 1969; Pedersen, 1980; Fletcher, 1987). At present, Scytosiphon contains 14 taxa (species and infraspecific) (Guıry & Guıry, 2011). Two species of Scytosiphon have been reported from the Mediterranean Sea: S. lomentaria [= S.  sim-plicissimus (Clemente) Cremades] and S. dotyi (Rıbera et al., 1992). Scytosiphon dotyi, which was described by Wynne (1969), has been recorded from the Mediterra-nean Sea [Adriatic (Rıbera et al., 1992), Italy (Furnarı et al., 1999), and France (Verlaque, 2001)], the northeast-ern Atlantic [Britain (Fletcher, 1987), Spain (Bárbara et al., 2005; Invernón et al., 2009), and the Canary Islands (Haroun et al., 2002; Gıl-Rodrıguez et al., 2003; John et al., 2004)], the North Pacific [California (Abbott & Hol-lenberg, 1976], the west coast of Mexico (Pedroche et al., 2008), and Asia [Korea (Lee & Kang, 2001)]. Two species of the genus have previously been re-ported to occur in Turkey: S. lomentaria from all shores of Turkey and S. complanatus (Rosenvinge) Doty from the Sea of Marmara (Taskın et al., 2008).  In the present paper a third species, Scytosiphon dotyi, is reported from Turkey.Material and MethodsScytosiphon dotyi was collected as an epilithic form from Kilitbahir shores (40º07’52″N; 26º21’22″E), the Dardanelles (Sea of Marmara, Turkey) on 20 March 2011 by Ergun Taskın and was preserved in 4% formaldehyde in seawater. It was deposited in the Botanic Garden and Herbarium Center of Ege University (EGE 41065) of Iz-mir, Turkey. The identification of this alga was made ac-cording to the accounts in Setchell & Gardner (1925, as Scytosiphon lomentaria f. complanatus minor Setchell & N.L.Gardner) and Fletcher (1987). ResultsScytosiphon dotyi M.J. Wynne 1969 p. 34.Type Locality: California, USA.Synonyms: Scytosiphon lomentaria f. complanatus minor Setchell & N.L.Gardner 1925, p. 534; Scytosiphon lomentaria f. tortilis Yamada 1935, p. 12; Scytosiphon lo-mentaria f. cylindricus nanus Tokida 1954, p. 105. These taxonomic synonymies were proposed by Wynne (1969).Thalli were epilithic, forming erect,  parenchyma-tous, brownish tubes, arising from discoid holdfasts, cylindrical or dorsiventrally flattened, without constric-tions, to 15 cm long and 1 mm wide (Fig. 1).  Surface 34 Medit. Mar. Sci., 13/1, 2012, 33-35cells small, irregular with plate-like plastid with pyrenoid (Fig. 2). Plurilocular sporangia in sori, uniseriate, to 30 μm long, 3-5 μm broad, without ascocyst-like cells (Fig. 3). Unilocular sporangia unknown. Tufts of true hairs are present over surface of thallus.This species was collected growing on rocky sub-strata in the midlittoral zone (-1 m) of Kilitbahir shores in the Dardanelles (Sea of Marmara, Turkey). Seawa-ter temperature: 11.5ºC, salinity: 25.5 ‰. Other spe-cies that were present at the collection site: Ceramium ciliatum (J.Ellis) Ducluzeau, Codium fragile (Suringar) Hariot subsp. fragile, Colpomenia sinuosa (Mertens ex Roth) Derbès & Solier, Ectocarpus siliculosus (Dillwyn) Lyngbye, Feldmannia irregularis (Kützing) G. Hamel, Giraudia sphacelarioides Derbès & Solier, Gracilaria gracilis (Stackhouse) M. Steentoft, L.M. Irvine & W.F. Farnham, Halothrix lumbricalis (Kützing) Reinke, Kuck-uckia spinosa (Kützing) Kornmann, Microcoryne ocel-lata Strömfelt, Myrionema strangulans Greville, Punc-taria latifolia Greville, Ulva spp., and Striaria attenuata (Greville) Greville. DiscussionThe complanate form of Scytosiphon was described by Rosenvınge (1893) as Scytosiphon lomentaria var. complanatus Rosenvinge. Doty (1947) reported from Oregon the complanate Scytosiphon as S. complanatus (Rosenvinge) Doty based on S. lomentaria var. com-planatus. Setchell & Gardner (1925) recognized two forms of Scytosiphon lomentaria, complanatus major and complanatus minor from California (North America, Pacific Ocean). Later, Doty (1947) reported that S. lom-entaria f. complanatus major Setchell & Gardner as a synonym of S. complanatus. This species has a flat, hol-low thallus with tufts of true hairs and without paraphys-es when fertile, and Pedersen (1980) has shown based on culture studies that the absence of paraphyses is a reliable character. S. complanatus differs from S. dotyi by their greater length (up to 50 cm long) and breadth (4.5 mm broad) (Rosenvınge 1893; Wynne 1969).Scytosiphon dotyi was described by Wynne (1969) with a type locality of Pillar Point, Half Moon Bay, San Mateo County, California. At that time Wynne reported Fig. 1: Scyto-siphon dotyi. General view of plant. Fig. 2: Scytosiphon dotyi. Surface view and pyrenoids (arrows). Fig. 3: Scytosiphon dotyi. Transection of thallus.Medit. Mar. Sci., 13/1, 2012, 33-35 35a distribution of his new species from Baja California, Mexico, northward to Oregon, USA, and its possible oc-curence in the Kurils and Sakhalin, in the western Pacific Ocean. Scytosiphon dotyi differs from Scytosiphon lom-entaria by the lack of constrictions in the tubular thalli, the absence of ascocyst-like cells and tufts of true hairs (Wynne 1969; Fletcher, 1987).Taskın et al. (2011) reported 32 taxa (12 Rhodophyta, 13 Phaeophyceae, 6 Chlorophyta and 1 Magnoliophyta) at specific and infraspecific level of alien marine macro-phytes occuring on the coast of Turkey. In this study, the alien brown alga Scytosiphon dotyi (Phaeophyceae, Scy-tosiphonaceae) is reported for the first time from Turkey. This species is established in the Mediterranean Sea and probably introduced into the Sea of Marmara (Turkey) by aquaculture or ballast water. AcknowledgementsI am grateful to Prof. Michael J. Wynne (University of Michigan Herbarium, USA) and Prof. Dr. Mehmet Ozturk (Celal Bayar University, Turkey) for critically re-viewing the manuscript.References Abbott, I.A. & Hollenberg, G.J., 1976. Marine algae of Cali-fornia. Stanford, California, Stanford University Press, 844 pp.Agardh, C.A., 1821. Species algarum rite cognitae, cum syno-nymis, differentiis specificis et descriptionibus succinctis. Volumen primum. Pars prima. Lundae,  168 pp. Bárbara, I., Cremades, J., Calvo, S., López-Rodriguez, M.C. & Dosil, J., 2005. Checklist of the benthic marine and brack-ish Galician algae (NW Spain). Anales del Jardín Botánico de Madrid, 62: 69-100.  Doty, M.S., 1947. The marine algae of Oregon. Part I. Chloro-phyta and Phaeophyta. Farlowia, 3: 1-65. Fletcher, R.L., 1987. Seaweeds of the British Isles. Vol. 3. Fu-cophyceae (Phaeophyceae). London, British Museum (Natural History), 359 pp.Furnari, G., Cormaci, M. & Serio, D., 1999. 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Mediterranean Marine Science

First report of the alien brown alga Scytosiphon dotyi M.J. Wynne (Phaeophyceae, Scytosiphonaceae) in Turkey

Taskin, E

Manisa Celal Bayar Üniversitesi Akademik Arşiv Sistemi

MEDITERRANEAN MARINE SCIENCE

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First report of the alien brown alga Scytosiphon dotyi M.J. Wynne (Phaeophyceae, Scytosiphonaceae) in Turkey

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