Results 1 to 10 of about 12,088 (120)

Defining Quality Criteria for Nanoplastic Hazard Evaluation: The Case of Polystyrene Nanoplastics and Aquatic Invertebrate Daphnia spp.

open access: yesNanomaterials, 2023
Polystyrene nanoparticles are the most investigated type of nanoplastics in environmental hazard studies. It remains unclear whether nanoplastic particles pose a hazard towards aquatic organisms.
Anita Jemec Kokalj   +4 more
doaj   +1 more source

Daphnia O. F. Müller, 1785 (Crustacea: Branchiopoda: Anomopoda) species of Iran: Morphology and Identification [PDF]

open access: yesIranian Journal of Animal Biosystematics, 2017
Daphnia a wide spread member of Cladocera live in different aquatic environments ranging from hypersaline swamps to freshwater lakes, lagoons, streams and rivers.
ali mohammadyari   +4 more
doaj   +1 more source

Mycosporine-Like Amino Acids (MAAs) in Zooplankton

open access: yesMarine Drugs, 2020
Organisms have different adaptations to avoid damage from ultraviolet radiation and one such adaptation is the accumulation of mycosporine-like amino acids (MAAs).
Samuel Hylander
doaj   +1 more source

Low-toxic herbicides Roundup and Atrazine disturb free radical processes in Daphnia in environmentally relevant concentrations

open access: yesEXCLI Journal : Experimental and Clinical Sciences, 2022
The use of glyphosate-based Roundup and triazine herbicide Atrazine has increased markedly in last decades. Thus, it is important to evaluate toxic effects of these herbicides to non-targeted organisms such as zooplankton to understand their safety ...
Viktor Husak   +7 more
doaj   +1 more source

The Toxicity of Silver Nanoparticles (AgNPs) to Three Freshwater Invertebrates With Different Life Strategies: Hydra vulgaris, Daphnia carinata, and Paratya australiensis

open access: yesFrontiers in Environmental Science, 2018
The toxicity of manufactured nanoparticles varies greatly depending on the test species in consideration and estimates of toxicity may also be confounded by test media in which the organisms are cultured.
Sam Lekamge   +8 more
doaj   +1 more source

Multiple Screening of Pesticides Toxicity in Zebrafish and Daphnia Based on Locomotor Activity Alterations

open access: yesBiomolecules, 2020
Pesticides are widely used to eradicate insects, weed species, and fungi in agriculture. The half-lives of some pesticides are relatively long and may have the dire potential to induce adverse effects when released into the soil, terrestrial and aquatic ...
Akhlaq Hussain   +9 more
doaj   +1 more source

Trophic niche breadth of pond zooplankton species using stable isotope analysis and the relationship with the abiotic and biotic factors [PDF]

open access: yesRoyal Society Open Science, 2019
Zooplankton species have different feeding habits, but the diversity of their food resources and the factors governing them are still largely unknown.
Hideyuki Doi   +2 more
doaj   +1 more source

Zooplankton as ecosystem indicators and their effects on eutrophication in Lake Arekit (Ethiopia) – implication for freshwater habitat management

open access: yesJournal of Freshwater Ecology, 2023
This paper examines the zooplankton abundance and composition along with various environmental factors in Lake Arekit – a shallow freshwater habitat in Ethiopia’s rift valley system. Zooplankton samples and specific environmental data were collected by a
Yirga Enawgaw   +3 more
doaj   +1 more source

Water quality changes in Lake Pskovskoe (2000–2018)

open access: yesTransactions of the Karelian Research Centre of the Russian Academy of Sciences, 2020
Changes in the water quality of Lake Pskovskoe in 2000–2018 are considered. The water quality assessment employed a new ecotoxicological approach to comprehensive assessment of surface water pollution based on the risk of death from exposure to a wide ...
Grigory Frumin, Natalia Malysheva
doaj   +1 more source

Visibility as a factor in the copepod-planktivorous fish relationship

open access: yesScientia Marina, 2005
The question we treat in this contribution is whether or not planktivorous fish can use the motion pattern of planktonic copepods to distinguish these animals from other suspended particles in the water.
J. Rudi Strickler   +5 more
doaj   +1 more source

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