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ALGAS CLOROFITAS PDF

Algas verdes. CLOROFITAS. * Acetabularia acetabulum * Caulerpa racemosa * Caulerpa peltata (Caulerpa chemnitzia) * Caulerpa webbiana * Cladophora. Se presentan las descripciones de 13 especies de algas verdes y 12 de Las especies pertenecen a los géneros de clorofitas Caulerpa, Cladophoropsis. Por primera vez se presenta una lista de las algas eucariotas fósiles y recientes conocidas de los lagos, Chlorophyta (clorofitas o algas verdes) (División).

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Recibido en agosto de Aceptado en febrero de The family Dictyotaceae contained wlgas largest number of species 6. The descriptions include morphometric and biological data and are accompanied by photographs and line drawings for each species. Percursaria percursa is a new record for the park, while Dictyerpa jamaicensis, Sargassum furcatum, Caulerpa racemosa var.

Most of the specimens of Chlorophyta were found in the vegetative stage, whereas all the brown algal species except Dictyerpa jamaicensis and Sphacelaria rigidula possessed gametangia or sporangia. Percursaria percursa es un nuevo registro para el parque, mientras Dictyerpa jamaicensis, Sargassum furcatum, Caulerpa racemosa var. There is no published information on brown and green algae from Cabezo Reef. According to LehmanSantiaguillo is third in terms of registered brown and green algal species To contribute to our knowledge of the morphology and species of Chlorophyta and Phaeophyceae of the NPSAV occurring on Cabezo Reef and to document their records were the main purposes of the present study.

In the laboratory, morphological features were algzs and described using a stereoscopic low-magnification Carl Zeiss Stemi C microscope. When necessary, cross-sections of algal thalli were made with a razor and photographed using an Olympus BX51 microscope equipped with phase-contrast objectives and an Olympus C Wide Zoom 7.

A camera lucida was clorofitass used to make line drawings. Descriptions of 13 green and 12 brown algal species from 15 families collected on Cabezo Reef are given below. They include morphometric and biological data and are accompanied by photographs and line drawings for each species.

Chlorophyta

However, the primary literature sources cited in floristic lists by DreckmannOrtega et al. The taxa are given in the order following Fredericq et al. Division Chlorophyta Family Ulvaceae.

Agardh Rosenvinge, Pl. Thallus filamentous, erect and ramified, 7 mm long. Filaments uniform in diam. Cells of the thicker branches are less regular in shape.

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Algas clorofitas by Jhordan Leal on Prezi

Median branches um long and Terminal branchlets consist of one row of cells Single laminar, parietal chloroplast, with pyrenoids.

Epiphyte on Bryothamnion triquetrum S. Clorofitad Escondida Valenzuela, Cladophoropsis membranacea Hofman Bang ex C. Conferva membranacea Hofman Bang ex C. Cladophora membranacea Hofman Bang ex C. Acrosiphonia membranacea Hofman Bang ex C.

Branching alternate inferiorly and unilateral superiorly. Chloroplasts reticulate, with numerous pyrenoids. It is attached to the substrate by a stolon with rhizoids with finger-shaped extremities specialized hapteroid cells oriented horizontally, pale or lightly colored.

Isla de Lobos; Mpio. Laguna de Sontecomapan Dreckmann, ; Ortega et al. Agardh Decaisne clorofits Endlicher, Thallus pseudoparenchymatous, globular, saclike, hollow, spherical when young and irregularly lobed and ruptured when mature, cm in diam.

Bright green, loses color rapidly after exposure to light. Barra de Chachalacas Dreckmann, ; Ortega et al. Cllorofitas vesicular, dense, forming spherical clumps, 5 cm long. Translucent yellowish green, cloroitas color rapidly after exposure to light.

Branching verticillate forming whorls. Branches are formed by simple macroscopic cells: Cells in branches 0. Tenacular cells are present where the mother cell and sister cells unite. Fertile cells are in the apical part of thallus. Crystalline birefringent inclusions of silicon in the form of fine needles grouped together are present.

Attachment cell cm long and 0. Caulerpa chemnitzia Esper J. Thallus completely coenocytic, with a creeping axis horizontal stolon 1.

Pale green, loses color rapidly after exposure to light. Fronds erect, cylindrical, xlgas long, with trabeculae wall ingrowthsusually covered with branchlets in the shape of bunched, radially arranged beads; the axes can be unramified.

Branchlets elongate, flattened at base and expanded at apices, mm and 1. Attaches vlorofitas the substrate with a thick axis from which numerous fine, abruptly pointed, yellowish rhizoids descend. In this state, only var. Agardh Eubank, have been reported; var. Caulerpa racemosa is distributed throughout the gulf Fredericq et al. Thallus completely coenocytic, with a creeping axis and erect feather-like fronds, sometimes branched, up to 5 cm long and 0.

Fronds erect, with trabeculae wall ingrowths. Branchlets opposite, cylindrical, needle-shaped, curved upwards, clorfitas long and urn in diam. Central axes cylindrical, Horizontal stolon creeping, extended, cylindrical, 2.

Attaches to the substrate by a stolon from which fine, abruptly pointed, yellowish filamentous rhizoids descend. Isla de Lobos, Tuxpan Reef f.

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Codium isthmocladum Vickers subsp. Thallus pseudoparenchymatous, erect, compact, spongy, cm long. Light green when alive, olive green in dried specimens, loses color after exposure to light.

Branching irregular in basal part and dichotomous in superior parts, branches cylindrical, mm in diam. Apical wall of the utricles 0. The revised specimens were in the vegetative stage.

Codium isthmocladum is distributed throughout the gulf Fredericq et al. Thallus pseudoparenchymatous, alags, forming dense clumps, cm long.

Green, loses color rapidly after exposure to light. Branching irregular, sometimes cervicorn in basal part clrofitas dichotomous at the extremities.

Branches firm, spongy, smooth, mm in diam. Attaches to the substrate by a crusty disc 0. Thallus pseudoparenchymatous, erect, formed by articulated sequences of segments, strongly calcified, forming compact mats cm in diam. Yellowish green, loses color rapidly after exposure to light. Densely branched in various planes.

Segments plane, kidney-shaped, sometimes grooved, 0. Superficial utricles in groups ofrounded or polygonal, cm in diam.

Algas – CANARIAS CONSERVACIÓN – Cetacean Research Society

Attaches to the substrate by multiple parts albas thallus. Isla de Lobos, marine littoral of Tampamachoco lagoon; Mpio. Thallus pseudoparenchymatous, erect, calcareous, 8 cm long. Branched in a single plane. Segments moderately calcified, oval or compressed, without ribs, 0. Gametangia formed on the surface from the surface utricles. Attaches to the substrate by a fibrose segment. LS-4 10 April1 3 June Rhipocephalus phoenix Ellis et Sol.

Thallus pseudoparenchymatous, erect, cm long, moderately calcified, solitary or in pairs, consisting of capitulum or cap composed of narrow blades radially arrangedsimple stalk and holdfast of fine siphons interlaced with sand particles.

Dark green, loses color rapidly after exposure to light. Stipes cylindrical, smooth, cm long and mm in diam.

Surface siphons compact, dichotomously branched in a single plane, with thin walls and rounded finger-like apices. Cap ovoid, cm long; blades minute, 0.

Siphons in stipes with repeatedly ramified appendages, finger-like, grouped into packages. Attaches to the substrate by a rhizoidal mass holdfast.

LS 10 April

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