Results 151 to 160 of about 7,086 (203)

Environmental determinants of distribution of freshwater snails and trematode infection in the Omo Gibe River Basin, southwest Ethiopia. [PDF]

Infect Dis Poverty, 2019
Mereta ST, Bedewi J, Yewhalaw D, Mandefro B, Abdie Y, Tegegne D, Birke W, Mulat WL, Kloos H.   +8 more
europepmc   +1 more source

Population genetics and molecular xenomonitoring of Biomphalaria freshwater snails along the southern shoreline of Lake Malawi, Mangochi District, Malawi

Archer J, Cunningham LJ, Juhász A, Jones S, Reed AL, Yeo SM, Mainga B, Chammudzi P, Kapira DR, Lally D, Namacha G, Makaula P, LaCourse JE, Kayuni SA, Webster BL, Musaya J, Stothard JR.   +16 more
europepmc   +1 more source

Factors conditioning the habitat of freshwater snails.

Bulletin of the World Health Organization, 2000
openaire   +1 more source

Regulation of Schistosoma infections in snail populations: a modelling framework with inheritable resistance in snails

van Dijk NJ, de Vlas SJ, Emery AM, Webster BL, Knopp S, Ali SM, Pennance T, Coffeng LE.   +7 more
europepmc   +1 more source

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Population genetics of freshwater snails

Trends in Ecology & Evolution, 1991
Freshwater snails have attracted the attention of biologists for a long time, because they are intermediate hosts of schistosomes, agents of bilharziases. However, population-genetic studies of freshwater snails have been undertaken only during the past decade, covering topics such as the relative roles of genetic drift and gene flow in subdivided ...
P, Jarne, B, Delay
openaire   +2 more sources

The maintenance of hybrids by parasitism in a freshwater snail

International Journal for Parasitology, 2014
Hybrids have often been labelled evolutionary dead-ends due to their lower fertility and viability. However, there is growing awareness that hybridisation between different species may play a constructive role in animal evolution as a means to create variability.
Yonathan, Guttel, Frida, Ben-Ami
openaire   +2 more sources

The effects of the herbicide atrazine on freshwater snails

Ecotoxicology, 2015
Atrazine has been shown to affect freshwater snails from the subcellular to community level. However, most studies have used different snail species, methods, endpoints, and atrazine exposure concentrations, resulting in some conflicting results and limiting our understanding.
Kyle D, Gustafson, Jason B, Belden, Matthew G, Bolek   +2 more
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Haemoglobin producing cells in freshwater snails

Zeitschrift f�r Zellforschung und Mikroskopische Anatomie, 1972
One of the cell types occurring in the connective tissue of gastropods and bivalves is thepore cell. Cells of this type have a characteristic morphology in that their plasmamembrane has many invaginations bridged by cytoplasmic tongues. In the well developed granular endoplasmic reticulum and in these invaginations fine granular material, sometimes ...
T, Sminia, H H, Boer, A, Niemantsverdriet   +2 more
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Biological methods for the control of freshwater snails

Parasitology Today, 1990
As a result of the advent of new drugs and diagnostic techniques, the emphasis in the control of schistosomiasis has changed from snail control to chemotherapy for infected individuals. However, chemotherapy does not prevent reinfection and there remains a need to reduce snail densities in human water supplies. In the past, treatment with molluscicides
openaire   +2 more sources

Freshwater Snails Of Anwai River

2019
The Nigerian Field, 70 (1), 51 ...
Okonta, A A, Ogunbor, A O
openaire   +1 more source