importance of cosmarium

Formalin acetoalcohol, which has been used as a pretreatment, was compared with cetyltrimethylammonium bromide (CTAB), which has been used as a mucilage treatment in plants and algae. Biodiversity of algae and cyanobacteria from bromeliad phytotelmata in Bahia State, Brazil, Universidade Estadual de Feira de Santana, New observations on the sexual and asexual reproductive stages of Staurastrum gracile (Desmidiaceae, Zygnematophyceae), Taxonomic novelties, new records, and rare species of desmids from the Chapada Diamantina Region, Brazil, Unraveling algae and cyanobacteria biodiversity in bromeliad phytotelmata in different vegetation formations in Bahia State, Northeastern Brazil, Some new, rare and interesting desmids from bromeliad phytotelmata in Brazil, Notes on the genus Euastrum (Desmidiaceae) in Brazil, with description of a new species, Microalgae of Pineapple [Ananas comosus (L.) Merr] Phytotelmata from Calauan, Laguna (Philippines), Five new taxa and a new record of Euastrum (Desmidiaceae) from the Chapada Diamantina region, Bahia State, Brazil, Algae in phytotelmata from Caatinga: first record of the genus Rhopalosolen Fott (Chlorophyta) for Brazil, Taxonomic notes on Spirotaenia (Mesotaeniaceae, Zygnematophyceae) from a Brazilian phytotelm habitat: new species and new records, Algae of bromeliad phytotelmata in the Queen Sirikit Botanical Garden, Chiang Mai, Thailand, Algae and cyanobacteria in phytotelmata: diversity, ecological aspects, and conservation, Checklist of the genus Cosmarium (Zygnematophyceae, Streptophyta) from Brazil, Cyanobacteria from bromeliad phytotelmata: New records, morphological diversity, and ecological aspects from northeastern Brazil, The Freshwater Algal Flora of the British Isles. (g) Algae Used in Aviation: Characters of Green Algae: Green algae are defined as a group of eukaryotic algae which resemble land plants in having cellulosic cell wall, starch as food reserve and both chlorophyll a as well as chloro­phyll b as photosynthetic pigments. With the phenomenal increase in urban population and industrial growth during the past few decades, some of the major problems of a basic nature confronting mankind are those of quantity and quality of food, feed, drinking water, disposal of sewage and industrial wastes, and of proper conservation of soils and waters. Whereas Staurastrum chaetoceraswas readily ingested and assimilated to a high degree,Cosmarium was hardly incorporated.This could be partly due to the presence of an extracellular mucilaginous envelope in the latter species. of the biological species concept is seriously hampered by lack of sexual reproduction in many species. Pamietnik Akademii Umiejetnosci w Krakowie, Wydzial Matematyczno 17: 73-113. This study provides the first floristic survey that presents the taxonomy and species composition of phytotelm microalgae associated with bromeliad tanks of pineapple [Ananas comosus (L.) Merr] from Calauan, Laguna. From this study, the knowledge on genus Spirotaenia in Brazil has been expanded to four species currently confirmed: Spirotaenia closteridia, S. condensata, S. endospira, and S. filiformis. Differences with similar-looking species are discussed. Cosmarium is a very specious artificial genus, most probably of polyphyletic origin.3‒5 Due to the disproportionate number of species included in the genus and its very much suspected artificiality, there ... wall decoration25,26 has so far provided very important and useful circulare and being the last one is new records to Brazil. You can request the full-text of this article directly from the authors on ResearchGate. Among the most notable representatives were Cosmarium amoenum var. Molecular analyses Sixty-three samples of planktonic and periphytic material studied were collected in three Environmental Protection Areas (Rio Capivara, Lagoas de Guarajuba and Litoral Norte), located in Bahia State, northeastern Brazil, during the Summer (January-March 2007 and 2009) and Winter (June-August 2007 and 2009), both in lotic and lentic environments. nov. is described from samples collected from a bromeliad tank (phytotelmata) in a “restinga” area located at Salvador, Bahia State, northeast Brazil. Thus, weak trophic interactions are expressed in the system via Cosmarium's exploitation Phylum Chlorophyta. Actinotaenium, Cosmarium e Heimansia). were found to be the dominant taxa. nordestinum, E. marimbusense, E. ornatiscrobiculatum and E. praemorsum var. elongatum and Euastrum octogibbosum). Do total, 13 táxons (65%), são citados pela primeira vez para o estado do Paraná: C. bireme var. 42(7): 225-255. Cosmarium is a uni-cellular fresh water desmids occurring in ponds, rich in organic decaying matter, along with other free-floating algae. (Desmids from bromeliaceae phythotelmata environment of the Serra da Jiboia, Bahia, Brazil).The present galeritum, C. montrealense Croasdale, C. pseudopyramidatum P. Lundell var. Emphasis should be put on the desmids, with 3 fascicles (out of 5) already published, and am presently working on the 4th. Infante, A., 1973. Economic importance of genus Aspergillus. Green Algae as Ancestors of Land Plants. — Aquatic Ecology 31: 73-78. Of those Euastrum taxa, E. westenii is new to science; E. bidentatum var. As coletas foram realizadas nos anos de 2002 a 2003 e 2007 a 2008, na região litorânea do lago, utilizando-se uma rede de plâncton. protractum, and C. rectangulare var. formosulum, C. impressulum var. seems to be determined microclimatologically rather than macroclimatologically. Australia, tropical America, and equatorial Africa come to the fore as most pronounced. Print version. Taxa of the genus Cosmarium are widely distributed in Serbia. Several references containing Cosmarium records for Brazil are somewhat rare and difficult to access due to the great regionality of the publications. Twenty taxa with 19 species, including 11 typical varieties, 6 non-typical varieties of their respective species, and 2 taxonomic forms were identified. From the Netherlands, four desmid species are described as new to science: Cosmarium pseudodifficile, Cosmarium pseudoformosulum, Cosmarium pseudoreniforme, and Cosmarium turpiniiforme. study is a contribution to the taxonomic knowledge of desmids retained in reservoir of leaves of Alcantarea nahoumii (Leme) J.R.Grant (Bromeliaceae) on area of campo rupestre in top of Morro da Pioneira, north zone of Serra da Jiboia, (12º51’S e 39º28’W), 850m of height, in the Santa Teresinha’s county, Bahia, Brazil. Absence of zoospores and formation of aplanospores is most probably due to the adverse conditions of phytotelm in the semi-arid area such as little water stored at bromeliads which can quickly evaporate due the high environmental temperature. This study describes the sexual and asexual reproduction of S. gracile in culture and emphasises the importance of characters observed in the fully developed stage of vegetative individuals and zygospores. This study aimed to investigate fatty acid content and productivity of the insufficiently investigated group of freshwater microalgae—desmids (Zygnematophyceae, Streptophyta)—and to estimate their commercial potential. For want Home About New Bibliography Samples Stats Switch to list view. The preparation of the material for SEM examination followed the protocols of, ... Notes: This species was recently described from material collected in bromeliads at Parque das Dunas (Sand Dunes Park), Salvador, Bahia State, Brazil, ... An interesting feature observed in the population from the municipality of Curaçá, in the semiarid region of Bahia State with low rainfall (INEMA 2019), was the presence of a thick mucilaginous layer enveloping Euastrum westenii (Fig. We also provided basic physical-chemical data of water gathered in the studied tanks. Very few studies are available online, thus complicating taxonomic inventories and analysis of their taxonomy. This resulted in the first work done on the genus in the State of Goiás. Raciborski, M. (1889) Desmidyje nowe. ), and other Desmidiaceae (Zygnematophyceae, Streptophyta) and used to assess phylogenetic relationships in the family. The biology of desmids. This study aimed to identify the taxa belonging to the genus Cosmarium present in two Environmental Protection Areas of the coastal plain of the northern Bahia, and contribute to the knowledge of its taxonomic composition and geographic distribution in Bahia State, Brazil. The edibility of Staurastrum chaetoceras and Cosmarium abbreviatum (desmidiaceae) for Daphnia galeata/hyalina and the role of desmids in the aquatic food web. It can be found in ponds with scum on them. artificial urbano, Paraná, Brasil. The Zygnematophyceae was the dominant class, with 13 representatives, that are the first citations for the State and for the country. Some of the algae are used as food and fodder, in agriculture, industry, medicine, purification of water, aviation and as a source of petroleum and natural gas. Studies of the microalgae in bromeliad phytotelmata in northeastern Brazil revealed the occurrence of some interesting desmids-including new and rare taxa, besides new records for South America. This work presents the first report of algae in microhabitat of bromeliads in Thailand. Fottea 12(2): 293-313. The samples were preserved with 0.5% acetic lugol. validius. biforme Nordst. Forzza, R.C., Costa, A.F., Leme, E.M.C., Versieux, L.M., Wanderley, M.G.L., Louzada, R.B., Monteiro, R.F., Judice, D.M., Fernandez, Além do predomínio das Zygnemaphyceae, foram também registradas outras cinco classes de algas neste tipo de ambiente: Chlorophyceae, Cyanophyceae, Bacillariophyceae, Xanthophyceae e Dinophyceae. We compared two reagents for pretreating cells before drying. Spirotaenia filiformis sp. zygnematophyceae) para a Bahia e o Brasil. pyramidatum (empty cell) Cosmarium quadratum. Email This BlogThis! When decapsulated This project aims to carry out a floristic survey of algae and cyanobacteria that occur in bromeliad tanks from different areas of the Bahia State, Brazil, Goal: This project aims to carry out a floristic survey of Euastrum that occur in periphytic material collected from three macrophyte species (Cabomba haynesii, Eichornia azurea and Utricularia fol, Analisar a variação temporal e espacial da estrutura da comunidade de desmídias por meio da composição, riqueza, diversidade e abundância de espécies em estações de amostragens em áreas com diferen, In fact, I am working on some of the freshwater groups and coordenating the other ones and the marine forms. Sexual reproduction results formation of zygospore. The results illustrated that 118 taxa classified to eight major lineages including Chlorophyta (35 taxa), Euglenophyceae (31 taxa), Cyanobacteria (18 taxa), Bacillariophyceae (17 taxa), Zygnematophyceae (13 taxa), Cryptophyceae (2 taxa), Synurophyceae (1), and Xanthophyceae (1). Deste total, dezenove continham representantes de desmídias. Most taxa recorded are first records for Chiang Mai Province, and 8 species, Aphanothece conferta, Aph. Staurastrum gracile the important genera include Cosmarium with 25 species, Closterium with 3 species, Euastrum (2 species), Staurastrum (11 species), Micrasterias (1species), Desmidium (1 species), Arthrodesmus (1 species), Staurodesmus (1species) and Xanthidium (1 species). The National Biodiversity Data Centre mapping system (Biodiversity Maps) integrates the mapping of terrestrial as well as marine data and is intended to serve as a portal for the geographic presentation of observational data on Ireland's biological data. huzelli, C. commissurale, C. formosulum var. Of some species a recent extension of their area could be established, e.g., in the cataractarum. Several microalgal species such as Chlorella, Scenedesmus, Desmodesmus, Neochloris, Chlamydomonas, Nitzschia, and Cosmarium have been applied to various types of wastewater treatments coupled with biofuel formosulum, C. impressulum var. Key words: artificial lake, desmids, Paraná. (2013) Bromeliaceae. desmids Micrasterias americana and Euastrum germanicum, and in the chlorococcaleans Desmodesmus perforatus and Pediastrum simplex. & Bicudo, C.E.M. Schult., Cyperaceae) do rio Capivara Grande, Camaçari, Bahia. Recent taxonomic studies show that the main microalgal groups reported from bromeliad phytotelmata are chlorophytes (Ramos et al. Brazilian Journal of Biology, 2004. var. galeritum, C. montrealense Croasdale, C. pseudopyramidatum P. Lundell var. Algae from the phytotelms of two species of bromeliads, both exposed to the sunlight and to the shade, were sampled, and a number of abiotic variables were measured (temperature, pH, and electric conductivity of water). No comments. Here we discuss the morphological and ecological aspects of 18 cyanobacteria species collected in tank bromeliads in Bahia State, northeastern Brazil. Coesel, P., 1997. between morphologically similar taxa. of unambiguous criteria about species delimitation, no reliable estimations of global species richness can be given. The saccoderm desmids Spirotaenia endospira and Spirotaenia closteridia, species thus far unknown from the southern hemisphere, are described from Serra da Jiboia, northeast Brazil. Studies on cyanobacterial diversity in bromeliad phytotelmata are scarce, despite their ecological importance in this environment, including N 2 fixation for bromeliad nutrition. Öfversigt af Annaler, Kongliga Svenska Landtbruks-Academiens Stockholm We report here taxonomic novelties and interesting records of desmids, including new taxa, rare species and new occurrences, collected at three areas (Piatã, Rio de Contas and Palmeiras) in the Chapada Diamantina region, northeastern Brazil.
importance of cosmarium 2021