Desmids (Zygnematophyceae, Streptophyta) community drivers and potential as a monitoring tool in South American peat bogs

Garraza, Gabriela Carolina Gonzalez; Burdman, Luciana; Mataloni, Gabriela

doi:10.1007/s10750-019-3895-x

Cited by 14 publications

(2 citation statements)

References 48 publications

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“…minutum (Schmidle), which was important in density in lake L14 (lake with low nutrient concentrations and low turbidity). Desmids comprise a cosmopolitan group occurring in oligotrophic to eutrophic environments (Coesel, 1982) and have been used as bioindicators due to their high sensitivity to environmental changes (González Garraza et al, 2019). In addition to C. contractum var.…”

Section: Discussionmentioning

confidence: 99%

Phytoplankton community diversity, dominance, and rarity: a case study of tropical urban lakes

Martins,

Soares,

Carvalho

et al. 2024

Acta Limnol. Bras.

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Aim The aim of this study was to evaluate how phytoplankton community diversity, dominance, and rarity are influenced by different local environmental conditions in urban lakes. We expect that richness will be negatively influenced in lakes with higher nutrient concentrations and high turbidity, while abundance will be positively influenced. Thus, lakes with these conditions will have greater dominance of a few species and lower rarity, and the opposite in lakes with lower nutrient concentrations and less turbidity. Methods Phytoplankton and abiotic variables samples were collected in fourteen lakes distributed in the municipality of Goiânia, Goiás, Brazil, during a rainy period. Results It was possible to identify an environmental heterogeneity among the lakes. We identified a separation of the lakes according to phytoplankton richness and density, especially due to the contribution of green algae, desmids, and cyanobacteria. Most lakes showed high diversity and evenness values, with a predominance of rare taxa and few dominant species. The main variables associated with phytoplankton were water temperature, dissolved oxygen, turbidity, and nutrient concentrations. Conclusions Therefore, the study of species diversity, dominance, and rarity based on phytoplankton richness and abundance and their relationship with different local environmental conditions can be an important model for assessing water quality in urban lakes.

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Section: Discussionmentioning

confidence: 99%

Phytoplankton community diversity, dominance, and rarity: a case study of tropical urban lakes

Martins,

Soares,

Carvalho

et al. 2024

Acta Limnol. Bras.

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“…Desmids are vulnerable groups of aquatic organisms due to their sensitivity to the fluctuations in the environment. Thus, desmids are increasingly used as bioindicator for the monitoring and management of aquatic ecosystems (11,(13)(14)(15). Due to this, the taxonomic and floristic explorations of these organisms become important to understand their complex association with environment.…”

Section: Introductionmentioning

confidence: 99%

New records of desmids from Ropar wetland (a Ramsar Site) of Punjab, India

et al. 2021

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This study deals with exploration of freshwater desmids for the first time from Ropar wetland (Ramsar site) of Punjab (India) to assess their taxonomic aspects and bio-geographical distribution. During this study, samples of planktonic, epiphytic and epilithic desmids were collected from littoral zone and were observed under light microscope for their morphometric characteristics based identification. Total 21 desmids species belonging to 4 genera of 2 families (Closteriaceae and Desmidiaceae) were identified from the collected samples. Among them, Cosmarium with 11 species (C. awadhense, C. bioculatum, C. trilobatum, C. divergens, C. granatum, C. moniliforme, C. nitidulum, C. subtumidum, C. reniforme, C. undulatum and C. obtusatum) was found to be most abundant followed by Closterium with 7 species (C. acerosum, C. dianae, C. incurvum, C. leibleinii, C. lunula, C. pritchardianum and C. aciculare), Euastrum with 2 species (E. spinulosum and E. platycerum) and Staurastrum with 1 species (S. crenulatum). The geographic distribution of identified desmid taxa in India has been also recorded. All the desmid taxa identified during this study are new record for the Punjab state of India. The results of this study provide significant baseline data for the future taxonomic and ecological studies from the similar habitats.

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