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Ciclo anual del fitoplancton marino en la costa NE de la Península Ibérica

Authors: Margalef, Ramón;

Ciclo anual del fitoplancton marino en la costa NE de la Península Ibérica

Abstract

Halosphaiera, Trichodesmium, C. carriense f.ª volans (Cleve) Joerg., C. carriense var. volans (Cleve) Joerg., Cyanophyceae, Richelia intracelluIaris Schmidt. Trichodesmium Thiebautii Gomont (= Oscillatoria Thiebautii (Gom.) Geitl.), Coccolithophorales, Scyphosphaera Apsteini Lohm. Calyptrosphaera oblonga Lohm. Coocolithus leptoporus (Murr. & Blackm.) Sch. Rhabdosphaera claviger Murr., Ph. stylifer Lohm., Sylicoflagellatae, Dictyocha fíbula Ehrenb. f.ª maior Hovasse, D. fíbula var. messanensis (Haeck.) Lemm., D. fíbula var. messanensis f.ª spinosa Lemm., Distephanus speculum (Ehrenb.) Haeck, Protomastigales, Solenicola setigera Pavill., Dinoflagellatae, Exuviaella baltica Lohm., E. compressa (Bailey) Ostenf., E. cordata Ostenf., E. ovum Schiller, Prorocentrum micans Ehrenb., F. scutellum Schroed, Pseudophalacroma nasutum (Stein) Joerg., Phalacroma argus Stein, Ph. cunenus Schütt, Ph. doryphorum Stein, Ph. mitra Schütt, Ph. operculoides Schütt, Ph. ovatum (Clap. & Lachm.) Joerg., Ph. ovum Schütt, Ph. parrulum (Schütt) Joerg., Ph. rapa Stein. Ph. rotundatum (Clap. & Lachm.) Kofoid., Ph. rotundatum var. laevis (Clap. & Lachm.) Joerg., Dinophysis acuminada Clap. & Lachm., D. caudata, Kent, D. infundibulus Schiller, D. lenticula Pavill., D. sacculus Stein, D. Schroederi Pavill., D. Schuetti Murray & Whitt., D. sphaerica (Stein) Schütt, D. tripos Gourret, Ornithocercus cf. assimilis Joerg., O. heteroporus Kofoid, O. magnificus Stein. Histioneis cf subcarinata Rampi., Amphisolenia bidentata Schroed. Gymnodinium achromaticum Lebour., Polykrikos Schwarzi Bütschli. Noctiluca scintillans (Mac.) Kof. & Svvezy., Ptychodiscus inflatus Pavill., Pyrophacus horologium Stein, P. horologium var. Steinii Schill., Peridinium angustum Dang., P. biconioum Dang,. P. breve Pauls., P. Broclii Kof. & Swezy (= P. adriaticum Broch), P. cerasus Pauls., P. claudicans Pauls., P. conicum (Gran) Ostenf., P. crassipes Kofoid, P. curripes Ostenf. (incl. P. subcurvipes Leb.), P. depressum Bailey, P. diabolus Cleve, P. divergens Ehrenb., P. divergens var. acutipes (Dang) (= P. acutipes Dang.), P. grande Kofoid, P. heterecanthum Dang., P. inflatum Okam. (= P. crassum Dang.), P. latispinum Mangin (? = P. Sylvanae Dang., ? =P. africanoides Dang.), P. leonis Pavill., P. minisculum Pavill (= Minuscula bipes Leb.), P. mite Pavill. P. Murrayi Kofoid, P. oblongum Auriv., P. oceanicum Vanh., P. ovatum (Pouchet) Schütt, P. oviforme Dang., P. pallidum Ostenf., P. pellucidum (Berg) Schütt, P. piriforme Pauls, P. quarnerense (Schröder) Broeh, P. sphaericum Okamura (= P. sphaeroidea Abé), P. sphaeroides Dang., sub. P. globulus Stein, P. Steinii Joerg., P. Steinii var. mediterraneus Kof., (= P. longicollum Pavill.), P. subinerme Paulsen, P. subnerme var. punetulatum (Paulsen) (= P. punctulatum Paulsen), P. subpyriforme Dang., P. trochoideum (Stein) Lemm. Peridiniopsis asymmetrica Mangin., Gonyaulax digitale (Pouch.) Kof., G. cf. mínima Matz., G. monacantha Pavill, mador (Pav.), minor (Pavill.), G. pacifica Kofoitl, G. polyedra Stein, G. polygramma Stein, G. spheroidea Kofoid, Spiraulax Jollifei (Murr. & Whitt.) Kofoid, Protoceratium reticulatum (Clap. & Lachm.) Bütschli., Pachydinium mediterraneum Pavill., Heterodinium leiorhynchum (Murr. & Whitt.) Kofoid. Ceratium arietinum Cleve, C. azoricum Cleve, C. belone Cleve, C. buceros Zach., C. molle Kof., p. p. = C. horridum Gran, C. candelabmm (Ehrenb.) Stein., var. genuinum Pavill., var. dilatatum (Gourret), var. curvatulum Joerg., C. carriense Gourret, C. carriense var. volans (Cleve) Joerg. (= C. volans Cleve), C. conciliansJoerg., C. contortum (Gourret) Cleve, C. contrarium Pavill., C. inflexum (Gourret) Kof., C. declinatum Karsten, C. extensum (Gourret) Cleve, C. cuareuatum Joerg., C. falcatiforme Joerg., C. falcatum (Kofoid) Joerg., C. furca (Ehrenb.) Clap. & Lachm., subsp. eugrammum (Ehrenb.) Joerg., C. fusus (Ehrenb.) Duj. subsp. seta (Ehrenb.) Joerg., C. gibberun Gourret. C. gracile (Gourret) Joeg (= C. coarctatum Pavill.), C. gravidum Gourr., C. hexacanthum Gourret ( = C. reticulatum (Pouch.) Cl.), C. inflatum (Kof.), Joerg., G. Karsteni Pavill., C. limulus Gourret, C. longirostrum Gourret, C. longissimum (Schroed.) Kofoid, C. maeroceros (Ehrenb.) Cleve subsp. gallicum (Kof.) Joerg., C. macroceros subsp. gallicum f.ª californiense ? (Kofoid), C. massiliense (Gourret) Karsten, C. Paviliardi Joerg. C. pentagonum Gourret, C. platycorne Daday, C. pulchellum Schroeder, C. ranipes Cleve (= G. palmatum Schroed.), C. setaccum Joerg., C. strictum (Okam. & Nishik.) Kof., C. symmetricum Pavill., C. teres Kofoid, C. trichoceros Kofoid, C. tripos (O. F. Müll.) Nitzsch subsp. mediderraneum Pavill. (= G. pulchellum var. tripodioides Joerg.), C. tripos subsp. genuinum Pavill. (= var. atlanticum Ostenf.), Bacillariophyta, Heterocontae, [...]

[EN] A sumrnary of previous work based on the study of 125 plankton samples from Blanes-Cadaqués (1943-1950) and 89 samples from Castellón (1950), collected from the shore line to some 10 miles seawards. The plankton sampled 25-100 Km. from the coast may he very different from the neritic one. No true quantitative, but only estimated relative data were at disposal. These data have been combined to monthly means relative to a total of 1000 dinoflagellate cells, and computed separately for the two localities printed in the heading of the graphics. Since dinoflagellates show no great quantitative oscillations along the year, this method affords an useful preliminary description of the yearly cycle. Graphics 1-10 condense the information; graphic 1 is drawn to a lineal scale —dinofl. stripped; diatoms black—; the dark bands in the graphics 2-10 are proportional to the square roots of original figures. A list of the species identified in the Coastal waters from Banyuls to Castellón is included, with biogeographical remarks. The number of dinoflagellates is very great, a majority of them have tropical affinities. The diatoms responsibles for the annual flowerings are nearly the same species present also in the maxima of northern waters. Two annual maxima are always clear, the one in Nov.-Dec., the greater máximum being in March (figs. 1, 5, 6, 7). The participation of different species of diatoms in the maxima varíes according to the places and to the years, owing probably to the chance of initial seeding and to precise local conditions. Outbursts of diatoms occurs in the waters where vertical mixing is possible (fig. 11), but the January mínimum remains to be explained. During the first winter máximum, benthic diatoms and a number of deep water sp. of Ceratium rises to the surface. Estival stability, with disparition of the bulk of diatoms, perhaps through dispersal and sedimentation, initiates a summer period with Cresscis, cladocera, Favella, pale dinoflagellates, and extremely scarce diatoms. Some particulars in the cycles of different species ressorts from the consideration of graphics 2-10. Problems of local interest are discussed and a program for further research in presented

[ES] I. Procedencia y elaboración de los datos. Este trabajo se funda en publicaciones anteriores sobre el plancton del litora de las provincias de Gerona (MARGALEF, 1945, 1946, 1948, 1949; "Sección de Biol. Marina", 1950; MORALES, 1951) y de Castellón (MARGALEF, 1951). Se intenta deducir de su conjunto un esquema general de la evolución del fitoplancton, a lo largo del año, en las aguas litorales que se extienden entre el golfo de Valencia y la frontera francesa, que pueda servir de base de discusión, permita planear ulteriores investigaciones y contribuya a sentar un programa de actividades oceanógraficas en relación con la pesca. En otras publicaciones (Margalef, 1945, págs. 11-26; Massutí y Margalef, 1950, págs. 15-27) se han tratado diversas cuestiones generales, complementarias entre sí, que aquí no repetiremos. Tampoco vuelve a darse la bibliografía general, si no se cita expresamente en el texto. El sector a que se refiere el presente trabajo abarca desde el límite meridional del golfo del León hasta el golfo de Valencia. El fitoplancton del golfo del León ha sido estudiado con bastante intensidad por Pavillard. El trabajo de Dangeard (1932) sobre el fitoplancton de Banyuls-sur-Mer nos interesa especialmente, ya que esta localidad está a tocar la frontera española. En otra publicación de Bernard (1938) se presentan datos sobre el nanoplancton de Banyuls. Aparte de estos materiales y de los recientes utilizados en nuestro trabajo, no conocemos nada más que esporádicas estaciones de las expediciones danesas y del Príncipe de Monaco. Los datos que ofrecen, están recogidos —excepto para las diatomeas— en el trabajo de Navarro y Beleón (1945), incluyendo los de una campaña en aguas de Columbretes, cuyo plancton fue estudiado por Massutí (1943). [...]

36 pages, 11 figures

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This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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