Neocalyptrella gen. nov., a new name to replace Calyptrella Hernández-Becerril et Meave

Hernández‐Becerril, David U.; Castillo, María Esther

doi:10.2216/i0031-8884-36-4-329.1

Cited by 11 publications

(7 citation statements)

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“…La diversidad del fitoplancton marino generalmente se describe y se mide en términos de riqueza de especies (John, 1994;Hernández-Becerril, 2003). La inmensa mayoría de las especies de microalgas planctónicas marinas han sido definidas como especies morfológicas, con muy poca información sobre los procesos y mecanismos de reproducción (Hernández-Becerril, 2003). Es por ello que la evaluación sobre la diversidad del microfitoplancton realizada en este estudio se basó en la separación de las especies de acuerdo con las características morfológicas de las células.…”

Section: Discussionunclassified

“…El grupo de las diatomeas aportó el mayor número de especies, lo que concuerda con lo informado por Popowski y Campos (1987) para la ZEE de Cuba. Hernández-Becerril (2003) plantea que este grupo es el más conocido y diverso de las microalgas planctónicas marinas y que está distribuido en todos los mares, pero su contribución está relacionada con la disponibilidad de nutrientes.…”

Section: Discussionunclassified

“…La región del Golfo de México se encuentra más estudiada hasta la actualidad, en cuanto a la diversidad del fitoplancton marino y su relación con la dinámica de las aguas oceánicas (Hernández-Becerril, 1995;Licea et al 1995;Moreno et al 1996;Aké-Castillo et al 1999;Hernández-Becerril y Bravo-Sierra, 2000;Hernández-Becerril, 2003).…”

Section: Introductionunclassified

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Diversidad Del Microfitoplancton en Las Aguas Oceánicas Alrededor De Cuba

Álvarez

Gallardo

2009

Rev. Mar. Cost.

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Se evalúa la diversidad de la comunidad microfitoplanctónica en las aguas oceánicas alrededor de Cuba durante cuatro cruceros (febrero-marzo de 1999, julio-agosto del 2003, marzo del 2005 y agosto del 2005). Las muestras se recolectaron con botellas Nansen de 10 L de capacidad, a nivel subsuperficial y se concentraron mediante filtración invertida, a través de una malla de 20 mm de diámetro de poro. El volumen de agua filtrado por estaciones osciló entre 5 y 10 L. Se reportan un total de 181 especies de microalgas ubicadas en las diferentes categorías taxonómicas. El microfitoplancton estuvo dominado en cuanto al número de especies por diatomeas 85 y dinoflagelados 47, seguidas por cianobacterias con 23 especies y las dictiocofita y primnesiofitas con 23 especies (mayormente cocolitofóridos). De las diatomeas, las familias Bacillariaceae, Chaetoceraceae y Rhizosoleniaceae aportan el mayor número de especies con los géneros Nitzschia, Chaetoceros y Rhizosolenia. En los dinoflagelados se distinguen las familias Ceratiaceae, Protoperidiniaceae y Oxytosaceae y los géneros Ceratium, Protoperidinium y Oxytoxum. Las aguas oceánicas al norte de Cuba presentan mayor diversidad de especies (136) con respecto a las del sur (103), como lo demuestra el índice de riqueza (R1) que en el norte fue de 48.35, mientras en el sur fue de 28.19. The structure of the microphytoplankton community was evaluated in oceanic waters around Cuba during four cruises (February-March 1999, July-August 2003, March 2005 and August 2005). Samples were collected with 10 L Nasen bottles sub-surface level and were concentrated by inverse filtration through a 20 mm mesh-size net. The volume of filtered water per station ranged from 5-10 L. A total of 181 species of microalgae belonging to different taxonomic categories are reported. The microphytoplankton community, in terms of number of species, was dominated by diatoms (85) and dinoflagellates (47). Cianobacteria contributed 23 species and the dictiocophytes and primnesiophytes 23 species (mostly coccolithophorids). Among diatoms, the families Bacillariaceae, Chaetoceraceae and Rhizosoleniaceae contributed the greater number of species in the genera Nitzschia, Chaetoceros and Rhizosolenia. In dinoflagellates, the families Ceratiaceae, Protoperidiniaceae, and Oxytosaceae, and the genera Ceratium, Protoperidinium, and Oxytoxum are emphasized. The oceanic waters north of Cuba presented a greater diversity of species (136) compared to those in the south (103) as demonstrated by a higher richness index (48.35) in the north versus the one found in the south (28.19).

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Section: Discussionunclassified

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Diversidad Del Microfitoplancton en Las Aguas Oceánicas Alrededor De Cuba

Álvarez

Gallardo

2009

Rev. Mar. Cost.

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“…Ehrenberg (1843) established Rhizosolenia, with R. americana as the type species. Later, Hustedt (1930), Hasle (1975), Sundström (1986), Round et al (1990), and Hernández-Becerril and Meave del Castillo (1996Castillo ( , 1997 reviewed the genus. The genus Rhizosolenia comprises a number of genera with particular morphologies: Neocalyptrella Hernández-Becerril and Meave, Pseudosolenia Sundström, Proboscia Sundström, and Urosolenia Round and Crawford.…”

Section: Introductionmentioning

confidence: 99%

Morphology and distribution of some marine diatoms, family Rhizosoleniaceae, genus Rhizosolenia, in Korean coastal waters

Yun¹,

Lee²,

Lee³

2011

ALGAE

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The present study describes the morphology, taxonomy, and distribution of species belonging to the diatom genus Rhizosolenia in Korea's marine coastal waters. From September 2008 to February 2010, we collected phytoplankton samples at 30 sites along the Korean coastline and studied them by light and scanning electron microscopy. We found 6 rhizosolenid genera in our samples: Rhizosolenia, Dactyliosolen, Guinardia, Pseudosolenia, Proboscia, and Neocalyptrella. In the present paper, we studied the following rhizosolenid species and compared them with congeners: R. pungens, R. fallax, R. imbricata, Rhizosolenia sp. 1, and Rhizosolenia sp. 2. The morphology of R. pungens exhibits important diagnostic characteristics in its girdle segment structure in the column and in its external process. To distinguish R. fallax and R. imbricata, the most important characteristics are the striation and the velum structure. R. pungens occurred in our samples all along the Korean coast. Only rarely did we find R. imbricata in the samples and at low abundance. We recorded R. fallax, Rhizosolenia sp. 1 and Rhizosolenia sp. 2 for the first time in Korean waters, but they rarely occurred.

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“…Diatoms of the family Rhizosoleniaceae De Toni are an important group of marine phytoplankton, which are obtained from net and water samples from a variety of habitats. The genera Rhizosolenia Brightwell, Neocalyptrella Hernández-Becerril and Meave, Pseudosolenia Sundström and Proboscia Sundström are very common marine diatom species that often dominate marine diatom assemblages (Sundström 1986, Hernández-Becerril and Meave del Castillo 1996, 1997. The marine diatom genus Rhizosolenia was established over a century ago (Ehrenberg 1843) with R. americana as the type species.…”

Section: Introductionmentioning

confidence: 99%

Morphology and distribution of some marine diatoms, Family Rhizosoleniaceae, in Korean coastal waters: a genus Rhizosolenia 1

Yun¹,

Lee²

2010

ALGAE

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The cell shape, diameter, length of pervalvar axis, external process, segment and areolation characters of the species were examined. All four species were cylindrically shaped, but the external processes differed. Segment striations were regularly straight, and velum showed hexagonal, circular pore and narrow slit. Rhizosolenia formosa and R. hyalina were only occurred in September 2008 from the Yellow Sea, R. bergonii was appeared throughout the year from Korea Strait and Yangyang coasts, and R. setigera was abundantly showed in all seasons from all site. R. formosa is a newly recorded species in Korean coastal waters.

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Neocalyptrella gen. nov., a new name to replace Calyptrella Hernández-Becerril et Meave

Cited by 11 publications

References 0 publications

Diversidad Del Microfitoplancton en Las Aguas Oceánicas Alrededor De Cuba

Diversidad Del Microfitoplancton en Las Aguas Oceánicas Alrededor De Cuba

Morphology and distribution of some marine diatoms, family Rhizosoleniaceae, genus Rhizosolenia, in Korean coastal waters

Morphology and distribution of some marine diatoms, Family Rhizosoleniaceae, in Korean coastal waters: a genus Rhizosolenia 1

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