Results 81 to 90 of about 31,941 (201)

THE ART OF WAR: PATTERNS AND MECHANISMS UNDERLYING PREDATOR-INDUCED PLASTICITY OF AMPHIBIANS [PDF]

open access: yes, 2013
Organisms often employ phenotypic plasticity as a strategy to cope with variable environments. This is particularly true of predation threats, wherein prey induce defenses to reduce detection or capture by predators.
Relyea, Rick A, Shaffery, Heather M
core  

Prevalence and spatial distribution of trematode cercariae in vector snails within different agro-ecological zones in Western Kenya, 2016

open access: yesThe Pan African Medical Journal, 2019
INTRODUCTION: Freshwater vector snails' distribution, infection with cercariae, preferred habitat and possible trematodiases transmission foci is not well known in Western Kenya.
Maurice Omondi Owiny   +3 more
doaj   +1 more source

Distribution and seasonal abundance of Biomphalaria snails and their infection status with Schistosoma mansoni in and around Lake Tana, northwest Ethiopia

open access: yesScientific Reports, 2022
Biomphalaria snails, namely B. pfeifferi and B. sudanica, are the principal intermediate hosts for Schistosoma mansoni infection in Ethiopia. Epidemiological studies of Biomphalaria snails and their infection status with S.
Tamirat Hailegebriel   +2 more
doaj   +1 more source

Range limits and parasite prevalence in a freshwater snail [PDF]

open access: yesProceedings of the Royal Society of London. Series B: Biological Sciences, 2003
Geographical range limits are thought to be set by species' physiological or ecological adaptation to abiotic factors, but the importance of biotic factors such as parasitism in determining range limits has not been well explored. In this study the prevalence of trematode parasitism in populations of a freshwater gastropod snail, Lymnaea stagnalis ...
openaire   +2 more sources

A survey of coccidian infection (Apicomplexa: Eimeriidaea) of freshwater fish in South Africa [PDF]

open access: yes, 2005
Fish coccidia, especially Goussia and Eimeria spp., are common and frequent parasites of fish. The majority of the known species has been described from the Eurasian continent.
Avenant-Oldewage, Annemarie   +2 more
core  

Type of Cercaria in Freshwater Snails at Tunggu Pampang Reservoir, Makassar City, Indonesia

open access: yesИнфекция и иммунитет, 2019
The Tunggu Pampang Reservoir is one of the reservoirs located in the city of Makassar. The functions of the reservoir area was tourist attractions and fish farming locations so that the local community uses them for swimming, fishing, selling, and ...
Arif Rahman Jabal   +9 more
doaj  

Effects of Copper Sulfate on Benthic Algae; A Laboratory Experiment [PDF]

open access: yes, 1998
Copper sulfate is applied in inland waters as a management tool to control phytoplankton and the snails associated with the condition of schistiosome dermatitis.
Leale, Jill
core   +2 more sources

Modelling environmentally-mediated infectious diseases of humans: transmission dynamics of schistosomiasis in China. [PDF]

open access: yes, 2010
Macroparasites of humans are sensitive to a variety of environmental variables, including temperature, rainfall and hydrology, yet current comprehension of these relationships is limited.
Remais, Justin
core   +1 more source

Effect of Escherichia coli endotoxin on Archachatina marginata haemolymph coagulation system [PDF]

open access: yes, 2010
The effect of _E. coli_ endotoxin on the heamolymph coagulation response of _Archachatina marginata_ was studied. Heamocyte Lysate(HL), Haemocyte Lysate Supernatant(HLS) and Haemocyte Lysate Debris (HLD) were exposed to _Escherichia coli_ endotoxin ...
Adenike Oladiji   +4 more
core   +1 more source

Ecotoxicity of polyhexamethylene biguanide hydrochloride (PHMB) in the neotropical snail Biomphalaria glabrata (Say, 1818) [PDF]

open access: yesAnais da Academia Brasileira de Ciências
The polyhexamethylene biguanide hydrochloride (PHMB) is a sanitizer with a broad range of potential applications. Nevertheless, the ecotoxicity of PHMB to gastropod snails remains scarce.
WALLACE N. DE JESUS   +5 more
doaj   +2 more sources

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