Results 81 to 90 of about 32,854 (216)

Resource quantity affects infection success and impacts of a microsporidian on hosts

open access: yesOikos, Volume 2026, Issue 2, February 2026.
Resource quantity in the environment often changes over time and influences the nutritional status of hosts that may encounter parasites. If resource availability significantly alters both infection success and within‐host growth of a parasite, fluctuations in resources may underlie the seasonal disease outbreaks that have been observed for some ...
Elizabeth S. Davenport   +10 more
wiley   +1 more source

EURO-ECOLE: Assessment of the Bioavailability and Potential Ecological Effects of Copper in European Surface Waters ; subproject 4: Evaluation and improvement of the ecological relevance of laboratory generated toxicity data [PDF]

open access: yes, 2002
This report summarizes the acute and chronic toxicity of copper to algae, Daphnia and a few other freshwater species in standard laboratory test water and a wide range of natural surface waters (collected across Europe), with a wide range of pH ...
Bossuyt, Bart   +2 more
core  

Evaluation of the pollution pressures posed by groups of chemicals on British riverine invertebrate populations

open access: yesBiological Reviews, Volume 101, Issue 1, Page 106-127, February 2026.
ABSTRACT Globally, rivers receive a diverse range of chemicals, including metals, pesticides, persistent organic pollutants, petrochemicals, human and veterinary pharmaceuticals and personal care products. However, the extent to which these different chemical groups affect riverine invertebrate communities is not well defined.
Imogen P. Poyntz‐Wright   +2 more
wiley   +1 more source

Low-Dose γ-Irradiation Affects the Survival of Exposed and their Offspring

open access: yesDose-Response, 2013
Purpose: To analyze the long-term effects of exposure to low-dose γ-irradiation on survival and life span in directly irradiated Daphnia magna and their offspring.
Elena I. Sarapultseva, Anton I. Gorski
doaj   +1 more source

Peer review of the pesticide risk assessment of the active substance paraffin oil (CAS 72623‐86‐0, chain lengths C19–C28)

open access: yesEFSA Journal, Volume 24, Issue 2, February 2026.
Abstract The conclusions of the European Food Safety Authority (EFSA) following the peer review of the initial risk assessments carried out by the competent authorities of the rapporteur Member State, Greece, and co‐rapporteur Member State, France, for the pesticide active substance paraffin oil (CAS 72623‐86‐0) are reported.
European Food Safety Authority (EFSA)   +48 more
wiley   +1 more source

Ecological and morphological characteristics of Daphnia O. F. Müller, 1785 (Crustacea,Cladocera) genus in Ukrainian Roztochia

open access: yesБіологічні студії, 2014
Daphnia is a genus of small, aquatic, crustaceans, belonging to the Daphniidae fa­mi­ly. Daphnia are important components of freshwater food chains.
O. Ivanets
doaj   +1 more source

Peer review of the pesticide risk assessment of the active substance paraffin oil (CAS 64742‐46‐7, chain lengths C16–C25)

open access: yesEFSA Journal, Volume 24, Issue 2, February 2026.
Abstract The conclusions of the European Food Safety Authority (EFSA) following the peer review of the initial risk assessments carried out by the competent authorities of the rapporteur Member State Greece and co‐rapporteur Member State France for the pesticide active substance paraffin oil CAS 64742‐46‐7 are reported.
European Food Safety Authority (EFSA)   +48 more
wiley   +1 more source

The Influence of Media and Different Stocking Density on the Population of Daphnia Magna [PDF]

open access: yes, 2017
This research was conducted on April-May 2016 located at Jln. Kamboja No. 38, Simpang Baru, Panam, Pekanbaru. The purpose of this research to determine the population of Daphnia magna were cultured on different media and stocking density that generates ...
Kurniawan, A. (Agus)   +2 more
core  

Gene body methylation patterns in Daphnia are associated with gene family size [PDF]

open access: yes, 2016
The relation between gene body methylation and gene function remains elusive. Yet, our understanding of this relationship can contribute significant knowledge on how and why organisms target specific gene bodies for methylation.
Asselman, Jana   +3 more
core   +2 more sources

Toxicogenomic responses in Daphnia magna

open access: yesPublikationer från Örebro universitet, 2021
Detection of various organic contaminants in the aquatic environment at low concentrations, has raised concerns for animal and human health. Structural similarities of these compounds to estrogens and ecdysones suggests that organic pollutants may interfere with hormonal system of aquatic organisms.
openaire   +1 more source

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