Periphytic algae
Distribution of periphytic algae in wetlands (Palm swamps, Cerrado), Brazil
... of periphytic algae communities depends on various factors such as type of substrate, level of disturbance, nutrient availability and ...epiphytic algae. We evaluated the distribution and structure ...
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Periphytic algae of the Garças Lake, Upper Paraná River floodplain: comparing the years 1994 and 2004
... of periphytic algae in the lake in 2004, with 107 species not present in ...changes. Periphytic algae communities may be more resilient in heterogene- ous rather than in homogeneous ...
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Changes in the taxonomic structure of periphytic algae on a free- floating macrophyte (Utricularia foliosa L.) in relation to macrophyte richness over seasons
... depend on submerged macrophytes, such as the retention of nutrients, the minimization of sediment resuspension, and the sedimentation of suspended matter, while they also compete, together with periphyton, with ...
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Functional diversity and functional traits of periphytic algae during a short-term successional process in a Neotropical floodplain lake
... evaluated periphytic algae adaptive strategies under nitrogen and phosphorus artificial enrichment in a tropical oligotrophic shallow ...benthic algae following a hydrological ...of periphytic ...
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Structure and dynamics of the community of periphytic algae in a subtropical reservoir (state of São Paulo, Brazil)
... During the month of September, we were unable to sample the Ressaca and Paruru creeks because of the low level of the reservoir, which made it impossible to access the sampling station by boat. The same occurred in ...
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Effects of hydrological regime and connectivity on the interannual variation in taxonomic similarity of periphytic algae
... of periphytic algae in the lakes studied was greater during high water periods than low water periods, as shown by the positive significant correlation between periphytic algae richness and ...
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Periphytic algae in a floodplain lake and river under low water conditions
... conditions, periphytic algal species composition and density responded better to the effects of site hydrodynamics than algal richness and ...in periphytic algal community structure, owing to the physical ...
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Periphytic algae dynamics in lentic ecosystems in the Brazilian semiarid
... Diatoms are typical algal classes of the periphytic algae community. In this study, this class had greater representation in all ecosystems and between the periods studied. The individuals of this class are ...
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Seasonal variability of periphyton nutrient status and biomass on artificial and natural substrates in a tropical mesotrophic reservoir
... Cattaneo et al. (1997) showed that seasonal modification of periphyton-macrophyte relationship may indicate absence of ecological interaction, since the modifications observed would be a mere reflex of the direct ...
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Structural and successional variability of periphytic algal community in a Amazonian lake during the dry and rainy season (Rio Branco, Acre)
... a periphytic algal community were evaluated in a Amazonian Viveiro Lake (Rio Branco, Acre, ...density, algae class, diversity indices and descriptive ...the periphytic algal community showed high ...
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Periphytic algal biomass in two distinct regions of a tropical coastal lake
... of periphytic algae, which develop dense populations in these shallow environments, where light can reach up to the sediment in most of the time (Tundisi and Matsumara-Tundisi, ...
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Influence of tributaries on the periphytic diatom community in a floodplain
... the periphytic community (Biggs & Thomsen, 1995; Rodrigues & Bicudo, ...study, periphytic algae sampling was performed during a period of increased water level, mainly in the downstream ...
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Efeitos de distúrbios sequenciais na comunidade perifítica à jusante de um curso de água represado
... a periphytic algal community in a semilotic environment of the Upper Paraná River ...the periphytic community promoted its significant decrease in density, while the same was not observed in species ...of ...
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Periphytic and planktonic algae records from the upper Paraná river fl oodplain, Brazil: an update
... As the goal was to look for scientific papers published since 1986, we noted that the first published works date of the year 1994. Thus, we use data from 1994 to 2016. We considered only works that referenced ...
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Rev. bras. farmacogn. vol.22 número4
... Only in the last decade extensive sampling efforts allowed a more comprehensive understanding of the rhodolith bed distribution along the Brazilian coast, of their structure and associated communities and of the inluence ...
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Deuterodon langei Travassos, 1957 (Teleostei: Characidae) in a
... In general, D. langei is an omnivorous and opportunistic species with great diet flexibility. However, it is noted that small individuals show a trend toward insectivory and that as fish develop the feeding spectrum ...
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Aspectos moleculares de nitrato redutase da macroalga marinha Gracilaria tenuistipitata...
... Molecular Characterization of the assimilatory nitrate reductase gene and its daily expression in the marine red algae Gracilaria tenuistipitata (RHODOPHYTA). (em preparação)[r] ...
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MSc Mariana Dissertação Final
... (bacteria, algae, rotifers, cnidarians, crustaceans, and insects) and functional groups (primary producers, primary and secondary consumers, benthic and epibenthic ...
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Hepatoprotective Efficacy of Hypnea muciformis Ethanolic Extract on CCl4 Induced Toxicity in Rats
... Seaweeds are low in fats but contain vitamins and bioactive compounds such as terpenoids and sulphated polysaccharides, which are potential natural antioxidants not found in the terrestrial plants (Lahaye and Kaffer ...
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Seagrass can mitigate negative ocean acidification effects on calcifying algae
... taining comparatively high photosynthetic rates, and in turn, creating seawater conditions that are conducive to the calcification of sympatric, and otherwise ill-fated, calcifying algae. On their own, H. cuneata ...
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