Epipelon responses to N and P enrichment and the relationships with phytoplankton and zooplankton in a mesotrophic reservoir

Tavares, Diego Alberto; Lambrecht, Richard W.; Castilho, Maria Carolina de Almeida; Henry, Raoul; Ferragut, Carla

doi:10.1007/s10452-019-09690-8

Cited by 13 publications

(7 citation statements)

References 32 publications

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“…The finding on weak correlation between zooplankton abundance and the hydrology was not consistent with findings from previous studies that high zooplankton abundance was observed in the lentic zones or reservoirs due to reduced water speed and longer retention times ( Thorp et al, 1994 ; Basu and Pick, 1997 ; Reckendorfer et al, 1999 ; Okuku et al, 2016 ). The correlation between abundance and biovolume of zooplankton and temperature, and nutrient levels was because higher temperature and nutrient levels contribute to the growth of phytoplankton through the supply of food for zooplankton ( Lampert et al, 1986 ; Vanni, 1987 ; Elser and Goldman, 1991 ; Tavares et al, 2019 ). Therefore, factors affecting abundance and biovolume of phytoplankton may also affect zooplankton abundance and biovolume.…”

Section: Discussionmentioning

confidence: 99%

Hydrodynamics Regulate Longitudinal Plankton Community Structure in an Alpine Cascade Reservoir System

Liu

Sheng-long

et al. 2021

Front. Microbiol.

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Previous studies report significant changes on biotic communities caused by cascade reservoir construction. However, factors regulating the spatial–temporal plankton patterns in alpine cascade reservoir systems have not been fully explored. The current study explored effects of environmental factors on the longitudinal plankton patterns, through a 5-year-long study on the environmental factors and communities of phytoplankton and zooplankton in an alpine cascade reservoir system located upstream of Yellow River region. The findings showed that phytoplankton and zooplankton species numbers in the studied cascade reservoir system were mainly regulated by the hydrological regime, whereas nutrient conditions did not significantly affect the number of species. Abundance and biovolume of phytoplankton in cascade reservoirs were modulated by the hydrological regime and nutrient conditions. The drainage rate, N:P ratio, and sediment content in cascade reservoirs were negatively correlated with abundance and biovolume of phytoplankton. Abundance and biovolume of zooplankton were not significantly correlated with the hydrological regime but showed a strong positive correlation with nutrient conditions in cascade reservoirs. Shannon–Wiener index (H’) and the Pielou index (J) of phytoplankton were mainly regulated by the hydrological regime factors, such as drainage rate and sediment content in cascade reservoirs. However, temperature and nutrient conditions were the main factors that regulated the Shannon–Wiener index (H’) and the Pielou index (J) of zooplankton. Species number, abundance, and biovolume of phytoplankton showed a significant positive correlation with those of zooplankton. Hydrodynamics and nutrient conditions contributed differently in regulating community structure of phytoplankton or zooplankton. These findings provide an understanding of factors that modulate longitudinal plankton community patterns in cascade reservoir systems.

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Section: Discussionmentioning

confidence: 99%

Hydrodynamics Regulate Longitudinal Plankton Community Structure in an Alpine Cascade Reservoir System

Liu

Sheng-long

et al. 2021

Front. Microbiol.

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“…Small lakes with depths between 0.5 m to 1 m are considered ideal for the development of epipelic algae, as there is enough light for photosynthesis, and they are not affected by wave action (Vadeboncoeur et al 2014). In addition, the relative weak association of epipelic algae with water nutrients may indicate the importance of the nutrients retained in the sediment to the epipelon, which regulates the exit of the nutrients from the sediment into the water (Hansson 1988;Dodds 2003;Cano et al 2016;Tavares et al 2019).…”

Section: Discussionmentioning

confidence: 99%

“…Considering clear and turbid states in temperate environments, periphytic algae communities play a significant role in maintaining clear waters (Genkai-Kato et al 2012), but little is known about the structure of these communities in different environmental conditions (McMaster and Schindler 2005;Zheng and Stevenson 2006). Regarding the dynamics of the epipelic algae community, the knowledge gap is even greater (e.g., Casco et al 2009;Poulíčková et al 2014;Cano et al 2016), especially species composition in lakes and tropical reservoirs, where the community is little explored (e.g., Tavares et al 2019). Moreover, most studies about epipelon structure focus on diatom in tropical reservoir (Zorzal-Almeida et al 2017).…”

Section: Introductionmentioning

confidence: 99%

Environmental predictors of algal community structure of plankton, epipelon and epiphyton in a shallow tropical reservoir

Santos

Ferragut

2019

Braz. J. Bot

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Structural characteristics of algal communities can be used to access environmental conditions, but there is a great need to identify the drivers of change in all habitats. This study evaluated the spatial and temporal changes in the phytoplankton, epipelon and epiphyton structures in a shallow reservoir. We investigated the determining factors of the structural variability and spatial differences in the species composition and algal density in the three habitats. Bimonthly samplings were carried out for determination of the limnological variables and algal communities. The rainy season was characterized by high nutrient availability and macrophyte coverage, and the communities were dominated by flagellate algae, as Chromulina elegans Doflein. The highest modification rate was found in the phytoplankton structure, followed by epiphyton and epipelon. Despite the species co-occurrence among phytoplankton, epipelon and epiphyton, the descriptor species presented different representativeness in communities. Planktonic and epiphytic algae were more associated with temporal variation in nutrient availability, while depth was more important for epipelic algae structuring. We conclude that the algal community in the plankton, epipelon and epiphyton was structured by different environmental factors, but descriptor species co-occurrence suggested an interrelationship between communities in this shallow reservoir with high abundance of macrophytes.

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“…Lambrecht, Tavares, Santos, and Ferragut (2019) found that periphyton responds rapidly to P enrichment, but seston can interfere with the response by intercepting nutrients or shading. Tavares, Lambrecht, de Almeida Castilho, Henry, and Ferragut (2019) observed that P enrichment in shallow, tropical lakes and reservoirs reduced the photosynthetic potential of the epipelon, which could directly impact interactions between phytoplankton, zooplankton, and epipelon, and ultimately, ecosystem function. Cao, Zhang, Sun, and Li (2019) performed a mesocosm study and found that substrate type (sand, cobble, or plastic) was critical for periphytic pigment content (chlorophyll and pheophytin), nutrient accrual (carbon, N, and P), carbon:chlorophyll ratio, and algal species composition at the end of the experiment.…”

Section: Algaementioning

confidence: 99%

Substratum‐associated microbiota

Furey

Lee

Clemans

2020

Water Environment Research

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Highlights of new, interesting, and emerging research findings on substratum-associated microbiota covered from a survey of 2019 literature from primarily freshwaters provide insight into research trends of interest to the Water Environment Federation and others interested in benthic, aquatic environments. Coverage of topics on bottom-associated or attached algae and cyanobacteria, though not comprehensive, includes new methods, taxa new-to-science, nutrient dynamics, auto-and heterotrophic interactions, grazers, bioassessment, herbicides and other pollutants, metal contaminants, and nuisance, and bloom-forming and harmful algae. Coverage of bacteria, also not comprehensive, focuses on the ecology of benthic biofilms and microbial communities, along with the ecology of microbes like Caulobacter crescentus, Rhodobacter, and other freshwater microbial species. Bacterial topics covered also include metagenomics and metatranscriptomics, toxins and pollutants, bacterial pathogens and bacteriophages, and bacterial physiology. Readers may use this literature review to learn about or renew their interest in the recent advances and discoveries regarding substratum-associated microbiota. © 2020 Water Environment Federation • Practitioner points • This review of literature from 2019 on substratum-associated microbiota presents highlights of findings on algae, cyanobacteria, and bacteria from primarily freshwaters. • Coverage of algae and cyanobacteria includes findings on new methods, taxa new to science, nutrient dynamics, auto-and heterotrophic interactions, grazers, bioassessment, herbicides and other pollutants, metal contaminants, and nuisance, bloomforming and harmful algae. • Coverage of bacteria includes findings on ecology of benthic biofilms and microbial communities, the ecology of microbes, metagenomics and metatranscriptomics, toxins and pollutants, bacterial pathogens and bacteriophages, and bacterial physiology. • Highlights of new, noteworthy and emerging topics build on those from 2018 and will be of relevance to the Water Environment Federation and others interested in benthic, aquatic environments

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Epipelon responses to N and P enrichment and the relationships with phytoplankton and zooplankton in a mesotrophic reservoir

Cited by 13 publications

References 32 publications

Hydrodynamics Regulate Longitudinal Plankton Community Structure in an Alpine Cascade Reservoir System

Hydrodynamics Regulate Longitudinal Plankton Community Structure in an Alpine Cascade Reservoir System

Environmental predictors of algal community structure of plankton, epipelon and epiphyton in a shallow tropical reservoir

Substratum‐associated microbiota

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