Algae and cyanobacteria in phytotelmata: diversity, ecological aspects, and conservation

Ramos, Geraldo José Peixoto; Moura, Carlos Wallace do Nascimento

doi:10.1007/s10531-019-01771-2

Cited by 8 publications

(9 citation statements)

References 46 publications

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“…Colourless osmotrophic euglenoids, such as M. obstusum , were found mainly in bromeliads with high POM content where they undoubtedly take advantage of the large amount of organic nutrients. Euglenoids are typical of small freshwater systems enriched with organic matter (Reynolds et al., 2002) and represent a major component of the algal communities of tank bromeliads (Ramos & do Nascimento Moura, 2019). Other taxa were more dispersed along the gradients of explanatory variables, probably because they form the core algal community of the microecosystem, with wider tolerances to environmental changes.…”

Section: Discussionmentioning

confidence: 99%

“…Other taxa were more dispersed along the gradients of explanatory variables, probably because they form the core algal community of the microecosystem, with wider tolerances to environmental changes. For instance, the genera Chlorella , Ankistrodesmus , and Monoraphidium have broad tolerances and are widespread in freshwater environments, including soils (Hoffmann, 1989), rivers and lakes (Wehr et al., 2015), and tank bromeliads (Ramos & do Nascimento Moura, 2019).…”

Section: Discussionmentioning

confidence: 99%

“…For instance, Stigonema spp., which tolerate high light irradiance (Büdel, 1999), occurred preferentially in the most sun-exposed tank bromeliads. In contrast, the soil algae Bumilleriopsis soils (Hoffmann, 1989), rivers and lakes (Wehr et al, 2015), and tank bromeliads (Ramos & do Nascimento Moura, 2019).…”

Section: Ta B L Ementioning

confidence: 99%

“…The objective of this study was to identify the main drivers of algal community structure and biodiversity in the bromeliad ecosystem. Although algae have been less investigated in bromeliads than in other freshwater ecosystems (Sandgren, 1988; Stevenson et al., 1996), recent studies provided relevant data on their taxonomy and ecology (Carrias et al., 2014; Ramos et al., 2018; Ramos & do Nascimento Moura, 2019). Here, we sampled the algal communities of 217 Aechmea tank bromeliads in French Guiana, distributed across six sites separated by 30–200 km, within an area of about 25,000 km 2 .…”

Section: Introductionmentioning

confidence: 99%

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Overview of regional‐scale diversity patterns of freshwater algae in a Neotropical bromeliad ecosystem

et al. 2022

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1. A large part of freshwater microorganism biodiversity is contained in the bromeliad ecosystem of the Neotropics, which form a multitude of small islands in a terrestrial matrix. While aquatic communities of bromeliads and their food-web organisation are relatively well documented, processes that shape diversity in such small water bodies remain largely understudied.2. Based on 217 bromeliad ecosystems from six sites located in French Guiana, we determined the factors that shape the diversity pattern of algal communities. We considered a broad range of environmental and ecological variables, including canopy openness, habitat characteristics, and invertebrate biomass, to identify the main drivers of algal community structure and biodiversity across bromeliads in a c. 25,000 km 2 region.3. We found no evidence of random distribution or spatial structuring of algal communities. Algal biomass was mainly influenced by habitat size and complexity, particulate organic matter content, and light energy, while algal richness was primarily controlled by habitat size. Change in community structure as habitat size increases was driven by species turnover with increasing proportion of filamentous taxa. 4. Our results indicate that, due to the large diversity of aquatic habitats they provide at a small spatial scale, bromeliads are critical ecosystems sustaining freshwater microorganism biodiversity.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Ta B L Ementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Overview of regional‐scale diversity patterns of freshwater algae in a Neotropical bromeliad ecosystem

et al. 2022

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“…Neoregelia L.B. Smith is a famous genus of bromeliad plants that are abundant in tropical and subtropical countries (Poniewozik et al 2020;Ramos and Moura 2019). These plants are characterized by having short stems with intricate rosettes of firm and spiny leaves.…”

Section: Introductionmentioning

confidence: 99%

Unseen Microalgal Diversity – Phytotelmata in Neoregelia spp. L.B. Smith (Bromeliaceae) from Florists Wholesalers in Laguna, Philippines

Arguelles¹

2020

Philipp J Sci

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The aquatic microcosms in plant axils of bromeliads are unique and favorable habitat for diverse kinds of new and rare species of microalgae. This study presents the first taxonomic survey in the Philippines to focus on the algal community existing in phytotelmata of Neoregelia spp. L.B. Smith (Bromeliaceae) from florist wholesalers in Laguna. A total of 20 microalgal taxa were described and taxonomically identified – of which six species belong to Cyanophyceae, five species both for Bacillariophyceae and Chlorophyceae, two species for Trebouxiophyceae, and one species each for Euglenophyceae and Zygnematophyceae. The study reports an additional of eleven species (Chlorella vulgaris, Dictyochloropsis splendida, Stigeoclonium tenue, Chlorococcum infusionum, Pinnularia rumrichiae, Cymbella affinis, Chroococcus schizodermaticus, Pseudanabaena minima, Oscillatoria limosa, Oscillatoria tenuis, and Euglena agilis) as new records in the global inventory list of phytotelm microalgae and 14 new taxa as additional records of microalgae in phytotelm microhabitat of Asia. Also, the occurrence of a microalga, Dictyochloropsis splendida Geitler, is described for the first time in the Philippines. Keys and diagnostic descriptions as well as photomicrographs are presented to differentiate the species of phytotelm microalgae. The survey provided important taxonomic records and information on the species composition of phytotelm microalgae of bromeliad tanks found in the Philippines.

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Beta diversity of freshwater algal communities: influence of different dispersal mechanisms

Cochak,

Zanon,

Pineda

et al. 2024

Aquat Sci

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Algae and cyanobacteria in phytotelmata: diversity, ecological aspects, and conservation

Cited by 8 publications

References 46 publications

Overview of regional‐scale diversity patterns of freshwater algae in a Neotropical bromeliad ecosystem

Overview of regional‐scale diversity patterns of freshwater algae in a Neotropical bromeliad ecosystem

Unseen Microalgal Diversity – Phytotelmata in Neoregelia spp. L.B. Smith (Bromeliaceae) from Florists Wholesalers in Laguna, Philippines

Beta diversity of freshwater algal communities: influence of different dispersal mechanisms

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