Results 11 to 20 of about 101,599 (204)

Grazing behavior and winter phytoplankton accumulation [PDF]

open access: yesBiogeosciences, 2021
Recent observations have shown that phytoplankton biomass increases in the North Atlantic during winter, even when the mixed layer is deepening and light is limited. Current theories suggest that this is due to a release from grazing pressure.
M. Freilich   +3 more
doaj   +1 more source

Seasonality of Coastal Picophytoplankton Growth, Nutrient Limitation, and Biomass Contribution

open access: yesFrontiers in Microbiology, 2021
Picophytoplankton in the Baltic Sea includes the simplest unicellular cyanoprokaryotes (Synechococcus/Cyanobium) and photosynthetic picoeukaryotes (PPE).
Javier Alegria Zufia   +3 more
doaj   +1 more source

‘Floc and Sink’ Technique Removes Cyanobacteria and Microcystins from Tropical Reservoir Water

open access: yesToxins, 2021
Combining coagulants with ballast (natural soil or modified clay) to remove cyanobacteria from the water column is a promising tool to mitigate nuisance blooms.
Renan Silva Arruda   +7 more
doaj   +1 more source

Functional rather than taxonomic diversity reveals changes in the phytoplankton community of a large dammed river

open access: yesEcological Indicators, 2021
River damming reduces the dispersal rates of biota and filter species by altering the local environmental conditions. Although phytoplankton is a key biotic group to indicate changes in aquatic environments, the effects of river damming on the ...
Caio Graco-Roza   +6 more
doaj   +1 more source

A new glance at the chemosphere of macroalgal–bacterial interactions: In situ profiling of metabolites in symbiosis by mass spectrometry

open access: yesBeilstein Journal of Organic Chemistry, 2021
Symbiosis is a dominant form of life that has been observed numerous times in marine ecosystems. For example, macroalgae coexist with bacteria that produce factors that promote algal growth and morphogenesis.
Marine Vallet   +7 more
doaj   +1 more source

Sinking Rate and Community Structures of Autumn Phytoplankton Responses to Mesoscale Physical Processes in the Western South China Sea

open access: yesFrontiers in Microbiology, 2021
To examine the influence of mesoscale eddy on the natural phytoplankton community and its sinking rate changes, a comprehensive investigation cruise was carried out in the western South China Sea in autumn 2016.
Yingjie Mao   +5 more
doaj   +1 more source

Effects of Mesoscale Eddies in the Northern South China Sea on Phytoplankton Size and Physiological Status

open access: yesRemote Sensing, 2022
Mesoscale eddies have essential effects on the distribution of the different sizes of phytoplankton and the status of phytoplankton physiology. The impact of mesoscale eddies on phytoplankton size and physiological level in the northern South China Sea ...
Jinzheng Chen, Fenfen Liu
doaj   +1 more source

Phytoplankton Community Composition Determined From Co-variability Among Phytoplankton Pigments From the NAAMES Field Campaign

open access: yesFrontiers in Marine Science, 2020
Analysis of phytoplankton chemotaxonomic markers from high performance liquid chromatography (HPLC) pigment determination is a common approach for evaluating phytoplankton community structure from ocean samples.
Sasha J. Kramer   +4 more
doaj   +1 more source

Effect of Polystyrene Microplastics in Different Diet Combinations on Survival, Growth and Reproduction Rates of the Water Flea (Daphnia magna)

open access: yesMicroplastics, 2022
Microplastic pollution is a problem not only in the marine environment but also in freshwater ecosystems. Water flea (Daphnia magna) is one of the most common omnivorous cladocerans in freshwater ecosystems.
Melek Isinibilir   +2 more
doaj   +1 more source

Response of the Phytoplankton Sinking Rate to Community Structure and Environmental Factors in the Eastern Indian Ocean

open access: yesPlants, 2022
The phytoplankton sinking rate in the eastern Indian Ocean was measured during spring 2017 based on the SETCOL method. The range of phytoplankton sinking rates was −0.291 to 2.188 md−1, with an average of 0.420 ± 0.646 md−1.
Xingzhou Wang, Jun Sun, Yuqiu Wei, Xi Wu
doaj   +1 more source

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