First record of Parvodinium umbonatum (Stein) Carty (Peridiniaceae, Dinophyta) for northeast Brazil

Ramos, Geraldo José Peixoto; Bicudo, Carlos Eduardo de Mattos; Moura, Carlos Wallace do Nascimento

doi:10.15560/12.6.2024

Cited by 7 publications

(4 citation statements)

References 16 publications

(24 reference statements)

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“…During dry periods, spherical, reddish-brown cysts of P. umbonatum were often encountered in the bromeliads at Serra da Jiboiapossibly representing a reproductive strategy in response to unfavorable environmental conditions. That species was consistently observed forming large populations during all of the sampling periods (Ramos et al 2016).…”

Section: Taxonomic Groups -Richness and Main Representativesmentioning

confidence: 73%

Unraveling algae and cyanobacteria biodiversity in bromeliad phytotelmata in different vegetation formations in Bahia State, Northeastern Brazil

et al. 2018

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Knowledge of algal and cyanobacterial diversity of phytotelmata remains poorly-known, especially for bromeliads from different vegetation formations. We investigated the microalgae communities of four species of tank bromeliads from different vegetation formations in Bahia State, Northeast Brazil, highlighting the composition, richness and diversity of taxa. Sampling of water stored in bromeliads was carried out quarterly between 2014 and 2016, and abiotic variables and morphometric attributes of bromeliads were measured. A total of 89 taxa of algae and cyanobacteria were recorded for the four bromeliad species studied. The microalgae communities of the phytotelmata varied among vegetation formations, with one tank bromeliad, Alcantarea nahoumii, with more complex architecture (higher number of leaves and thus more cavities), being distinguished by its high species richness (73 taxa). The bromeliads exhibited little similarity in species composition, with only one species (Phacus polytrophos) occurring in all four species. Throughout the entire sampling period, classes with higher species richness, especially due to A. nahoumii, were Zygnematophyceae, Cyanophyceae and Chlorophyceae, which accounted for about 80 % of all species inventoried. Our results contribute to the knowledge of microalga communities of bromeliad phytotelmata in Brazil with regard to species richness and composition, as well as significant environmental characteristics.

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Section: Taxonomic Groups -Richness and Main Representativesmentioning

confidence: 73%

Unraveling algae and cyanobacteria biodiversity in bromeliad phytotelmata in different vegetation formations in Bahia State, Northeastern Brazil

et al. 2018

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“…While Parv. umbonatum is usually related to warm systems (24-29 °C) that range from oligotrophic bromeliad phytotelmata to eutrophic systems (Canosa and Pinilla, 2007;Pinilla et al, 2007;Ramos et al, 2016;Moestrup and Calado, 2018), here it was exclusive to the insular lake. This latter species commonly misidentified as Parv.…”

Section: Discussionmentioning

confidence: 95%

The first floristic study of freshwater dinoflagellates (Dinophyceae) in Colombia

et al. 2021

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The first comprehensive study of dinoflagellate flora and their related environmental variables in reservoirs, swamps, and an insular lake of Colombia is presented. Fourteen Colombian water bodies were assessed. In each, water temperature, electric conductivity, oxygen saturation, turbidity, and apparent color were the physical and chemical variables measured. Twelve dinoflagellate taxa were recorded, indicating a considerable richness compared to similar surveys. Ensembles recovered showed a spatial structuration mediated by the type of the water bodies (reservoirs and swamps); environmental variables and species richness explained equally the differences among the water bodies. The dinoflagellate flora showed altitudinal segregation, with intermediate altitude systems displaying the highest richness values. A brief discussion about the geographical distribution of the species collected is offered. The study contributes to the knowledge of the ecological aspects of dinoflagellate flora and outlines preliminary biodiversity tendencies of ensembles in tropical water systems.

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“…The protocol for preparation of the samples of Pha cus orbicularis Hübner and Euglena mutabilis F.Schmitz in a scanning electron microscope (SEM) was based on Ramos et al (2016). The specimens were initially adhered to a glass coverslip with poly-L-lysine (Sigma, 1:10).…”

Section: Methodsmentioning

confidence: 99%

Euglenophyceae from bromeliad phytotelmata: new records for Bahia state and Brazil

Ramos¹,

Alves-da-Silva²,

Bicudo³

et al. 2017

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We report 7 new records of Euglenophyceae for Bahia state and 1 for Brazil. The material was collected from bromeliad phytotelmata in 4 areas of Bahia state (Serra da Jiboia, Parque das Dunas, Fazenda Itaberaba, and Reserva Sapiranga) during 14 months from 2014 to 2016. For each species, we provide the description, geographical distribution in Brazil, microhabitat conditions, and frequency of occurrence. The richness was greatest in bromeliads in the Serra da Jiboia (5 species), followed by the Parque das Dunas (3 species), Reserva Sapiranga (2 species), and Fazenda Itaberaba (1 species).

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First record of Parvodinium umbonatum (Stein) Carty (Peridiniaceae, Dinophyta) for northeast Brazil

Cited by 7 publications

References 16 publications

Unraveling algae and cyanobacteria biodiversity in bromeliad phytotelmata in different vegetation formations in Bahia State, Northeastern Brazil

Unraveling algae and cyanobacteria biodiversity in bromeliad phytotelmata in different vegetation formations in Bahia State, Northeastern Brazil

The first floristic study of freshwater dinoflagellates (Dinophyceae) in Colombia

Euglenophyceae from bromeliad phytotelmata: new records for Bahia state and Brazil

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