Results 161 to 170 of about 10,401 (210)

Ecotoxicological Assessment and Biodegradation of Prednisone by Aquatic Microorganisms. [PDF]

Int J Environ Res Public Health
Miranda ÉM, Cardoso PVR, Moreira CPS, Mol MPG.   +3 more
europepmc   +1 more source

Global distribution of Neorickettsia risticii, the causative agent of potomac horse fever: a systematic review. [PDF]

Vet Res Commun
Onyiche TE, Peng TL.
europepmc   +1 more source

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Comparative Assessment of Cadmium and Copper Toxicity to Physa acuta (Draparnaud, 1805)

Bulletin of Environmental Contamination and Toxicology, 2021
Cadmium and copper toxicity was investigated using bioassays with neonates of a freshwater gastropod Physa acuta. Mortality, lethal time, and effects on shell length were studied during 28-day chronic exposure experiments. Relative toxicity was assessed from acute and chronic LC values.
Emiliano Balsamo Crespo
exaly   +4 more sources

Maternal effects, paternal effects, and their interactions in the freshwater snail Physa acuta

Oecologia, 2023
Individuals exposed to predation risk can produce offspring with altered phenotypes. Most work on predation-induced parental effects has focused on maternal effects or on generalized parental effects where both parents are exposed to risk. We conducted an experiment to measure and compare maternal and paternal effects on offspring phenotypes and test ...
Scott R. Goeppner, D. Kirsch, K. Ramos, Allison Wells, Barney Luttbeg   +4 more
semanticscholar   +3 more sources

Occurrence and distribution of heavy metals in the tissues of Physa acuta (D.) in relation to the contamination level of sediments from Boumerzoug wadi (Algeria)

Environmental Forensics, 2021
The aim of this study was to assess the metallic contamination of sediments, and metals bioaccessibility via their distribution in the gastropod Physa acuta (Pulmonata). The concentrations of Cd, Co, Cr, Cu, Mn, Ni, Pb and Zn in the soft tissue and shell
D. Keddari, Imane Smatti-Hamza, S. Mehennaoui, L. Sahli, Fatima-Zohra Afri-Mehennaoui   +4 more
semanticscholar   +1 more source

Attributes and effects of the invasive air-breathing freshwater snail Physa acuta on ecosystem properties and services

Marine and Freshwater Research
Context Freshwater ecosystems can experience significant disturbance from the introduction of non-native species. The sewage snail (SWGS), Physa acuta, has invaded numerous countries globally; however, a comprehensive assessment of its impacts is still ...
Gonzalo A. Collado, C. Damborenea, G. Darrigran, Álvaro Alonso   +3 more
semanticscholar   +1 more source

Physa natricina Taylor 1988, junior synonym of Physa acuta Draparnaud, 1805 (Pulmonata: Physidae)

Zootaxa, 2007
Physa natricina Taylor, 1988 is reported as a narrow range endemic species from the Snake River in Idaho, USA and is currently protected under the federal Endangered Species Act. We examined all available type material as well as more than 1,500 specimens of Physa collected from the Snake River and adjacent areas over the past twelve years and compared
D. CHRISTOPHER ROGERS, AMY R. WETHINGTON
openaire   +2 more sources

Effects of copper on the survival, hatching, and reproduction of a pulmonate snail (Physa acuta)

Chemosphere, 2017
Acute and chronic bioassays provide essential basis for establishment of environmental quality standards. The effects of Cu on a pulmonate snail, Physa acuta, were investigated at a number of sublethal and lethal endpoints. Cu exposure suppressed movement and triggered an escape response in P.
Lei, Gao, Hai, Doan, Bhanu, Nidumolu, Anupama, Kumar, Debra, Gonzago   +4 more
openaire   +2 more sources

The roles of spatial and environmental variables in the appearance of a globally invasive Physa acuta in water bodies created due to human activity.

Science of the Total Environment, 2020
Anthropogenic pollution of freshwater environments is a subject of serious international concern since they affect freshwater and land environments. The disturbances in the functioning of ecosystems that result from various forms of human activity permit
A. Cieplok, A. Spyra
semanticscholar   +1 more source

Effect of Gamma Irradiation on the Reproductive System of the Pond Snail Physa acuta

Radiation Research, 1984
Changes in the survival rate in adults and embryos of the pond snail Physa acuta were studied after acute whole-body gamma irradiation. The LD50 value of the adult snails was about 40 kR. The LD50 values of the embryos irradiated 0 and 1 day after oviposition were about 0.9 and 2 kR, respectively.
S, Fujita, N, Egami
openaire   +2 more sources