Relevant bibliographies by topics / Freshwater red algae

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Academic literature on the topic 'Freshwater red algae'

Author: Grafiati
Published: 4 June 2021
Last updated: 18 February 2022

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Journal articles on the topic "Freshwater red algae"

1

Eloranta, Pertti. "Freshwater red algae in Finland." Plant and Fungal Systematics 64, no. 1 (July 1, 2019): 41–51. http://dx.doi.org/10.2478/pfs-2019-0006.

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AbstractThere were only less than sixty records of freshwater red algae in Finland until the 1980s, when the author began sampling the running waters of southern and central Finland; 516 new records were made in 1984–2011. More intensive research began in 2012, with a few field teams working at first in Central Finland Province and then covering the whole country. The project continued until 2018. During these studies approximately 3400 new locations were investigated and 3641 new records of 29 taxa were made. Since 2013, 12 ecological variables have also been measured or estimated. The share of positive records from the studied locations varied from 49% to 86% (avg. 72%), being highest in Lapland (85.5%). The most frequent taxa were Batrachospermum gelatinosum (36.5%), Audouinella hermannii (14.5%), Sheathia arcuata (9.3%), Sirodotia suecica (8.4%), Audouinella chalybea (4.7%), Lemanea fluviatilis (3.8%) and Lemanea fucina (2.8%). Batrachospermum elegans, Kumanoa virgatodecaisneana and Lemanea mamillosa occurred in southwestern Finland in waters with higher conductivity, whereas Batrachospermum turfosum and Virescentia vogesiaca were typical taxa of acidic and soft water. Batrachospermum sporulans and Lemanea condensata occurred only in northern Finland. Some records did not fit the recent morphological keys and should be analysed using molecular methods.
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Entwisle, Timothy J. "Freshwater red algae of the world." Phycologia 42, no. 3 (May 2003): 316–17. http://dx.doi.org/10.2216/i0031-8884-42-3-316.1.

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Mišurcová, L., S. Kráčmar, B. Klejdus, and J. Vacek. "Nitrogen content, dietary fiber, and digestibility in algal food products." Czech Journal of Food Sciences 28, No. 1 (February 18, 2010): 27–35. http://dx.doi.org/10.17221/111/2009-cjfs.

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The basic nutritional aspects and parameters of freshwater and marine algal food products are described. Blue-green algae (<I>Spirulina pacifica, S. platensis</I>), green algae (<I>Chlorella pyrenoidosa</I>), red algae (<I>Palmaria palmata, Porphyra tenera</I>), and brown algae (<I>Eisenia bicyclis, Hizikia fusiformis, Laminaria japonica, Undaria pinnatifida</I>) were used for this purpose. The ash content, total nitrogen, dietary fibers, and in vitro digestibility of the above-mentioned algal species were studied. The ash contents amounted to 8–11% (for freshwater) and 9–33% (for marine) of the weights of the algal samples. The total nitrogen contents were analysed using a modified Winkler’s method; in the process, higher nitrogen contents were observed in freshwater algae than in marine ones. For the analysis of dietary fiber contents, the instrument Ankom<sup>220</sup> Fibre Analyser was used. The marine brown algae species were generally assigned higher contents of dietary fiber than the freshwater algal products. The results of the dietary fiber analysis differed with the methodologies used. Pepsin, pancreatin, and a combination of both were applied for the study of <I>in vitro</I> digestibility. Generally, brown algae showed the worst digestibility in comparison with other algal food products.
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Chou, Jui-Yu, Shao-Lun Liu, Yu-Der Wen, and Wei-Lung Wang. "Phylogenetic analysis of Bangiadulcis atropurpurea (A. Roth) W.A. Nelson and Bangia fuscopurpurea (Dillwyn) Lyngbye (Bangiales, Rhodophyta) in Taiwan." Archives of Biological Sciences 67, no. 2 (2015): 445–54. http://dx.doi.org/10.2298/abs140902009c.

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Samples of the freshwater red algae, Bangiadulcis atropurpurea, collected from the mountain waterfalls and its close species, Bangia fuscopurpurea, collected from coasts, were phylogenetically analyzed. The sequences of the rbcL gene and RuBisCO spacer region of the freshwater Bangiadulcis atropurpurea species were identical or similar to those of B. atropurpurea from Japan, North America and Europe. This result indicated that the freshwater Bangiadulcis species from Taiwan shared a common ancestor with the three above-mentioned populations and formed a distinct clade from the marine Bangia species in the phylogenetic trees. It is suggested that all the previous records on marine Bangia species should be revised and the name B. fuscopurpurea be used for the marine species in Taiwan. In this study, the freshwater alga B. atropurpurea presents a new record in the algal flora of Taiwan. This finding is important for the protection of the biodiversity of red algal flora, and provides useful information on the ecological conservation of the species in Taiwan.
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Rajopadhyaya, Ritu, and Shiva Kumar Rai. "Some freshwater algae from Bagh-Jhoda wetland, Morang: new for Nepal." Journal of Natural History Museum 30 (December 1, 2018): 15–27. http://dx.doi.org/10.3126/jnhm.v30i0.27375.

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Present paper describes new and interesting algae reported during the exploration of algal flora of Bagh-Jhoda wetland, Morang. A total of 20 species of freshwater algae, excluding cyanobacteria, have been reported from this wetland as new for Nepal. They were Ankistrodesmus spiralis, Botryococcus braunii, B. protuberans, Glaucocystis duplex, Gonium sociale, Kirchneriella contorta, Nephrocytium hydrophilum, N.obesum, Oocystiseremosphaeria, Sorastrum americanum, Staurastrum pseudosebaldi, S. striolatum var. divergens, S. subpolymorphum, Glenodinium borgei, Peridinium gatunense, Gomphonema lacusrankaloides, G. pseudoaugur, Nitzschia cf. pumila, Pinnularia amabilis and Ulnaria capitata. This wetland area is rich in algal diversity including red algae and it needs further extensive exploration.
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Rai, Dilli Ram, and Shiva Kumar Rai. "Freshwater Algae (Excluding Diatoms and Red Algae) from Hasina Wetland, Sundar Haraicha, Morang, Nepal." Himalayan Journal of Science and Technology 2 (December 1, 2018): 1–12. http://dx.doi.org/10.3126/hijost.v2i0.25834.

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This paper described 44 freshwater algae (except diatoms and red algae) belonging to classes' cyanophyceae, chlorophyceae, charophyceae and euglenophyceae from Hasina wetland and its surrounding area, Sundar- Haraicha, Morang, Nepal. Samples were collected from Budhi Khola, Khayer Khola and ponds and marshy land in Hasina wetland. In total, the largest family was chlorophyceae represented by 30 taxa and the largest genus was Cosmarium represented by 6 taxa. The study showed that this area is rich in algal diversity.
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Manny, Bruce A., Thomas A. Edsall, and Daniel E. Wujek. "Compsopogon cf. coeruleus, a benthic red alga (Rhodophyta) new to the Laurentian Great Lakes." Canadian Journal of Botany 69, no. 6 (June 1, 1991): 1237–40. http://dx.doi.org/10.1139/b91-159.

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We found Compsopogon cf. coeruleus for the first time in the Laurentian Great Lakes, growing on limestone rocks at a depth of 21 m on Six Fathom Bank in central Lake Huron. It is the first freshwater red alga to be found in the Great Lakes and the only red alga ever found on an offshore reef in the Great Lakes. However, because this alga usually inhabits water 10–28 °C and has not survived freezing winter temperatures elsewhere, it may not be a permanent member of the flora. Key words: benthic, Compsopogon, freshwater red algae, Great Lakes, Lake Huron.
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Ganesan, E. K., and John A. West. "Nomenclatural changes for some freshwater red algae from India." ALGAE 28, no. 1 (March 15, 2013): 45–51. http://dx.doi.org/10.4490/algae.2013.28.1.045.

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9

Bautista, Anna I. N., and Orlando Necchi Jr. "Photoacclimation in three species of freshwater red algae." Brazilian Journal of Plant Physiology 19, no. 1 (March 2007): 23–34. http://dx.doi.org/10.1590/s1677-04202007000100003.

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Three freshwater Rhodophyta species (Audouinella eugenea, A. hermannii and Compsopogon coeruleus) were tested as to their responses (photosynthesis, growth and pigment concentration) to two irradiances (low light, LL, 65 µmol m-2 s-1 and high light, HL, 300 µmol m-2 s-1) and two periods (short time, ST, 4 d, and long time, LT, 28 d). Higher growth rates were consistently observed at LL but significant differences were observed only for A. hermannii. Higher values of photoinhibition at LL were found for the three species, which is consistent with the dynamic photoinhibition as a reversible photoprotective mechanism against high irradiance. Light-induced decreases of effective quantum yield (EQY) were observed in the three species consisting of pronounced decreases from LL to HL. Rapid increases of non-photochemical quenching (NPQ) were observed mainly at LL, indicating energy dissipation by reaction centers. Results revealed distinct photoacclimation strategies to deal with high irradiances: the two Audouinella species had only characteristics of shade-adapted algae: acclimation by changes of size of photosystem units (PSU) under LT and by PSU number under ST; higher values of the photoinhibition parameter (beta) and NPQ, and lower values of EQY at LL; higher recovery capacity of potential quantum yield (PQY) at LL and under ST; highly significant positive correlation of electron transport rate (ETR) with NPQ. In addition, C. coeruleus mixed some characteristics of sun-adapted algae: acclimation by changes of PSU number under LT and by PSU size under ST; higher recovery capacity of EQY than the other two species; weak or no correlation of ETR with NPQ. Thus, these characteristics indicate that C. coeruleus cope with high irradiances more efficiently than the Audouinella species.
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Raven, John A., Lucy A. Ball, John Beardall, Mario Giordano, and Stephen C. Maberly. "Algae lacking carbon-concentrating mechanisms." Canadian Journal of Botany 83, no. 7 (July 1, 2005): 879–90. http://dx.doi.org/10.1139/b05-074.

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Most of the algae and cyanobacteria that have been critically examined express a carbon-concentrating mechanism (CCM) when grown at, or below, the current atmospheric CO2 concentration. This paper considers algae that appear to lack a CCM. Critical examination of the evidence on which the presence or absence of a CCM is decided shows that more information is frequently needed before the criteria can be fully applied. Examples are the pathways of glycolate metabolism in nongreen algae, and the 13C/12C discrimination shown by form ID Rubisco in vitro. The available evidence suggests that the algae lacking CCMs are some terrestrial green microalgae, some florideophyte freshwater red macroalgae, and a number of florideophyte red macroalgae from the supralittoral, littoral, and sublittoral, and almost all of the freshwater chrysophytes and synurophytes examined. Certain environmental, biochemical, and biophysical factors may permit the occurrence of algae lacking CCMs. The absence of CCMs is presumably the plesiomorphic (i.e., ancestral) condition in cyanobacteria (and algae?).Key words: CO2 diffusion, chrysophyte algae, ecology, evolution, green algae, photosynthesis, red algae.
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Dissertations / Theses on the topic "Freshwater red algae"

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Goodman, Keri M. "Freshwater red algae use activated chemical defenses against herbivores." Thesis, Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/41208.

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Chemically mediated interactions have important ecological and evolutionary effects on populations and communities. Despite recognition that herbivory can significantly affect the biomass and composition of freshwater macrophyte communities, there are few investigations of chemical defenses among freshwater vascular plants and mosses and none of freshwater red algae. This study compares the palatability of five species of freshwater red algae (Batrachospermum helminthosum, Boldia erythrosiphon, Kumanoa sp., Paralemanea annulata, and Tuomeya americana) that occur in the southeastern United States relative to two co-occurring macrophytes (the chemically defended aquatic moss Fontinalis novae-angliae and the broadly palatable green alga Cladophora glomerata). We assessed the potential role of structural, nutritional, and chemical traits in reducing macrophyte susceptibility to generalist crayfish grazers. Both native and non-native crayfish significantly preferred the green alga C. glomerata over four of the five species of red algae. B. erythrosiphon was palatable, while the cartilaginous structure of P. annulata reduced its susceptibility to grazing, and chemical defenses of B. helminthosum, Kumanoa sp., and T. americana rendered these species as unpalatable as the moss F. novae-angliae. Extracts from these latter species reduced feeding by ~30-60% relative to solvent controls if tissues were crushed (simulating herbivore damage) prior to extraction in organic solvents. However, if algae were first soaked in organic solvents that inhibit enzymatic activity and then crushed, crude extracts stimulated or had no effect on herbivory. B. helminthosum, Kumanoa sp., and T. americana all exhibited "activated" chemical defenses in which anti-herbivore compounds are produced rapidly upon herbivore attack via enzymatic processes. In an additional accept/reject behavioral assay, B. helminthosum extracts reduced the number of crayfish willing to feed by >90%. Given that three of the five red algal taxa examined in this study yielded deterrent crude extracts, selection for defensive chemistry in freshwater rhodophytes appears to be substantial. Activated chemical defenses are thought to be an adaptation to reduce the resource allocation and ecological costs of defense. As such, activated chemical defenses may be favored in freshwater red algae, whose short-lived gametophytes must grow and reproduce rapidly. Roughly 20% of the known chemical defenses produced by marine algae are activated; further examination is needed to determine whether the frequency of activated chemistry is higher in freshwater red algae compared to their marine counterparts. Continued investigation of chemical defenses in freshwater red algae will contribute to among-system comparisons, providing new insights in the generality of plant-herbivore interactions and their evolution.
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Tiwari, Sunil. "Effect of Different Light Intensities on Freshwater Red Algae Batrachospermum gelatinosum: A Transcriptomic Approach." Ohio University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou159671675380422.

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Johnston, Emily T. "The Systematic Revision of the Freshwater Red Algal Order Thoreales (Nemaliophycidae, Rhodophyta)." Ohio University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1343406416.

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Salomaki, Eric D. "A Systematic Investigation of Batrachospermum section Helminthoidea (Batrachospermales, Rhodophyta) Using Molecular and Morphological Analyses." Ohio University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1343077226.

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Keil, Emily J. "Phylogeography of Batrachospermum gelatinosum (Batrachospermales, Rhodophyta) in Europe." Ohio University Art and Sciences Honors Theses / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ouashonors1399043651.

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Stewart, Sarah Anna. "PHYLOGENETIC AFFINITIES OF AUSTRALASIAN SPECIMENS OF BATRACHOSPERMUM (BATRACHOSPERMALES, RHODOPHYTA) INFERRED FROM MOLECULAR AND MORPHOLOGICAL DATA." Ohio University / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1155173575.

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Evans, Joshua R. "Transcriptional Regulation of Select Light-Harvesting Genes during Photoacclimation in Lympha mucosa gen. et sp. prov. (Batrachospermales, Rhodophyta)." Ohio University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1501068045787163.

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Couture, Dana T. "Evolution of the carpogonial branch system in the freshwater red algal genus Batrachospermum (Batrachospermales)." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ61885.pdf.

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House, Denise L. "Genetic Variation of Batrachospermum gelatinosum (Batrachospermales, Rhodophyta) from Eastern North America." Ohio : Ohio University, 2008. http://www.ohiolink.edu/etd/view.cgi?ohiou1212758989.

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Books on the topic "Freshwater red algae"

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Kumano, Shigeru. Freshwater red algae of the world. Bristol: Biopress, 2002.

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Algae of Australia: Batrachospermales, Thoreales, Oedogoniales and Zygnemaceae (Algae of Australia). CSIRO Publishing, 2007.

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John, Entwisle Timothy, McCarthy P. M, Jessup Lyn, Australian Biological Resources Study, and Australia. Dept. of the Environment and Heritage., eds. Batrachospermales, Thoreales, Oedogoniales, and Zygnemaceae. Canberra: CSIRO Pub., 2007.

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Book chapters on the topic "Freshwater red algae"

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Sheath, Robert G., and Morgan L. Vis. "Red Algae." In Freshwater Algae of North America, 237–64. Elsevier, 2015. http://dx.doi.org/10.1016/b978-0-12-385876-4.00005-0.

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Sheath, Robert G. "RED ALGAE." In Freshwater Algae of North America, 197–224. Elsevier, 2003. http://dx.doi.org/10.1016/b978-012741550-5/50006-4.

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You might also be interested in the extended bibliographies on the topic 'Freshwater red algae' for particular source types:
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