Aim To study large-scale patterns of benthic diatom assemblages in rivers, to assess the relative importance of environmental and geographical factors affecting their composition, and to evaluate the implications of these patterns for the use of…
Algology
In this subdiscipline:
5,114 papers
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Popular papers
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1. We quantified the relationships between diatom relative abundance and water conductivity and ionic composition, using a dataset of 3239 benthic diatom samples collected from 1109 river sites throughout the U.S.A. U.S. Geological Survey National…
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Two new species of Fragilariforma, F. cassiette sp. nov. and F. rakiuriensis sp. nov., are described from material from New Zealand, with reference to populations found in Australia. The new species are similar in shape and size to Fragilariforma…
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A study of five Reimeria taxa was performed based on light microscopy (LM) and scanning electron microscopy (SEM). The new species Reimeria fontinalis Levkov sp. nov. from Lake Ohrid (Macedonia) was compared to similar taxa, R. sinuata (W.Gregory)…
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Sustainable production of renewable energy is being hotly debated globally since it is increasingly understood that first generation biofuels, primarily produced from food crops and mostly oil seeds are limited in their ability to achieve targets…
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There is currently substantial interest in utilizing eukaryotic algae for the renewable production of several bioenergy carriers, including starches for alcohols, lipids for diesel fuel surrogates, and H2 for fuel cells. Relative to terrestrial…
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Rising global demand for seafood and declining catches have resulted in the volume of mariculture doubling each decade, a growth expected by the FAO to persist in the decades to come. This growth should use technologies with economical and…
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Microalgae are now the focus of intensive research due to their potential as a renewable feedstock for biodiesel. This research requires a thorough understanding of the biochemistry and genetics of these organisms' lipid-biosynthesis pathways. Genes…
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Molecular sequence analyses have yielded many important insights into diatom evolution, but there have been few attempts to relate these to the extensive fossil record of diatoms, probably because of unfamiliarity with the data available, which are…
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Sensory chemical ecology is the branch of chemical ecology that focuses on chemical communications between organisms and chemical sensing of the environment by organisms. Algae are well known to have numerous physiological responses to variations in…
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The great diversity of growth forms in lotic systems, including prostrate, adnate, erect, filamentous, branched, chain-forming, tube-forming, colonial, stalked, and Cl , Fe, HCO 3 , K + + Na + , Mg 2+ , NH + , NO 3 , NO 2 , pH, PO 3 , and SO 2 .…
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The foremost feature of a diatom is the species-specific ornamentation of the silicon cell wall, which is preserved and faithfully reproduced through the generations. If exposed to different kinds of stress during reproductive processes, the diatom…
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O Terminal Marítimo Almirante Maximiano Fonseca representa uma fonte potencial de contaminação por óleo na Baía da Ilha Grande, Rio de Janeiro, Brasil. Para o monitoramento da área, é fundamental o conhecimento de suas comunidades marinhas. Nesse…
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The Keelung River (Taiwan) is heavily polluted by domestic, industrial and agricultural wastes. Water quality, particularly in ammonium, nitrite, silicate, and turbidity, negatively correlated with dissolved oxygen. A generic index (GI) the ratio of…
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The genera Planktothrix and Planktothricoides planktic filamentous phormidiacean types. They are well characterized and delimited by phenotype, ultrastructure, and mainly by genetic criteria (molecular sequencing). However, their intrageneric…
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Morphological studies at the light microscopy and scan- ning electron microscopy levels of selected fragilarioid diatoms occurring in North American streams and lakes are presented herein. The majority of the samples stud- ied were collected by the…
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The aim of this paper is to facilitate access to new diatom names of taxa described, combined or renamed by H. Lange- Bertalot and co-workers. These genera, subgenera, species, subspecies, varieties, and formae are listed in alphabetical order. For…
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The use of diatoms to monitor rivers in the UK was stimulated largely by the requirements of the European Unions Urban Wastewater Treatment Directive. The Trophic Diatom Index (TDI) was developed to assist the interpretation of benthic diatom…
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Four araphid diatom taxa were collected from Florida streams and studied with both light mi- croscopy (LM) and scanning electron microscopy (SEM). Three taxa, formerly in the genus Fragilaria LYNGBYE, are here placed in the genus…
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Diatoms in Lake Baikal exhibit significant spatial variation, related to prevailing climate, lake morphology and fluvial input into the lake. Here we have assessed the threats to endemic planktonic diatom species (through the development of…
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Active members
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Student (Bachelor)LAFIC - Universidade Federal de Santa Catarina -
Student (Master)Recife, Brazil -
Ph.D. StudentRio de Janeiro, Brazil -
Assistant ProfessorFCUL - Faculdade de Ciências da Universidade de Lisboa -
Student (Bachelor)Stazione Zoologica Anton Dohrn