Results 91 to 100 of about 5,915 (215)

Higher Trophic Status Leads to More Diverse and Divergent Microeukaryote Communities Over Time in Urban Lakes From the Greater Paris (France)

open access: yesEnvironmental Microbiology Reports, Volume 18, Issue 3, June 2026.
Microeukaryote dynamics across a eutrophication gradient in Greater Paris region lakes showed richness peaking at intermediate trophic levels and communities becoming more modular, variable, and less connected with higher trophic status compared to oligo‐to‐mesotrophic lakes.
Sébastien Duperron   +13 more
wiley   +1 more source

Phytoplankton growth and potential cyanotoxin production differ in response to nitrogen and phosphorus amendments in late summer communities from Kabetogama Lake (Minnesota, United States)

open access: yesJournal of Phycology, Volume 62, Issue 3, Page 883-903, June 2026.
Abstract Cyanotoxins such as microcystin (MC), cylindrospermopsin, and saxitoxin are secondary metabolites that are rich in nitrogen (N). Most cyanobacteria grow best on reduced inorganic N (ammonium, NH4), but when NH4 is absent, cyanobacteria can activate physiological pathways to process other N forms (e.g., nitrate; NO3).
James H. Larson   +7 more
wiley   +1 more source

Distribution of periphytic algae in wetlands (Palm swamps, Cerrado), Brazil

open access: yesBrazilian Journal of Biology
The distribution of periphytic algae communities depends on various factors such as type of substrate, level of disturbance, nutrient availability and light.
B Dunck, IS Nogueira, SA Felisberto
doaj   +1 more source

Mapeamento do biovolume de plantas aquáticas submersas a partir de dados hidroacústicos e imagem multiespectral de alta resolução Mapping the bio-volume of submerged aquatic vegetation through hydro-acoustic data and high-resolution multi-spectral imaging

open access: yesPlanta Daninha, 2012
As plantas aquáticas têm papel fundamental no equilíbrio dos ecossistemas, porém seu crescimento desequilibrado pode obstruir canais, represas e reservatórios e afetar múltiplos usos da água.
L. Sabo Boschi   +3 more
doaj   +1 more source

Rapid and versatile routine measurements of plankton biovolumes with BACCHUS [PDF]

open access: yesJournal of Plankton Research, 1999
A semi-automated biovolume measurement application called BACCHUS (Biovolume Analysis Cum Calculus and High Utility Statistics), based on an image-analysis program combined with a database, was developed. With this application, biovolumes of plankton taxa can be determined while counting routine samples.
openaire   +1 more source

The Elusive Fraction of Marine Plankton Diversity: Size, Abundance and Taxonomic Composition of 0.2 μm‐Filterable Prokaryotes Across Three Contrasting Coastal Environments

open access: yesMolecular Ecology, Volume 35, Issue 12, June 2026.
ABSTRACT The existence of prokaryotes escaping filtration through 0.2‐μm filters has been known for decades. Such ‘filterable’ prokaryotes (hereafter ‘FP’) might include true ultra‐small groups (i.e., ultramicrobacteria), but also cells that miniaturize temporally as a physiological strategy to persist under unfavourable conditions, representing a ...
Clara Ruiz‐González   +6 more
wiley   +1 more source

Effects of sampling time on zooplankton biomass-edible algal biovolume correlations within lakes.

open access: yes, 2023
Effects of sampling time on zooplankton biomass-edible algal biovolume correlations within lakes.
James M. Watkins (7934492)   +6 more
core   +1 more source

Herbivorous zooplankton biomass as a function of only edible phytoplankton biovolume.

open access: yes, 2023
Herbivorous zooplankton biomass as a function of only edible phytoplankton biovolume.
James M. Watkins (7934492)   +6 more
core   +1 more source

Biovolume of Cyanobacteria and algae from Brazilian tropical reservoirs with different trophic status [PDF]

open access: yes, 2014
(Biovolume de cianobactérias e algas de reservatórios tropicais do Brasil com diferentes estados tróficos). O presente estudo visou apresentar o biovolume de cianobactérias e algas fitoplanctônicas e perifíticas de reservatórios com diferentes estados ...
Ferrari, Fernanda   +8 more
core  

Periphytic algal biomass in two distinct regions of a tropical coastal lake

open access: yesActa Limnologica Brasiliensia
AIM: This study assessed the phycoperiphyton biomass in two regions submitted to different human impacts on Juara Lake, a coastal ecosystem with multiple uses, to order to test the hypothesis that the sampling sites that receive domestic sewage shows ...
Stéfano Zorzal de Almeida   +1 more
doaj  

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