Results 91 to 100 of about 2,779 (250)

Revisión de dos especies de Physidae

open access: yesRevista Mexicana de Biodiversidad, 2011
A pesar de los numerosos trabajos que abordan desde diferentes ópticas la sistemática de Physidae, la situación taxonómica de las entidades de esta familia presentes en la Argentina es aún confusa.
Verónica Núñez
doaj   +1 more source

On the freshwater shells of Tasmania [PDF]

open access: yes, 1875
No attempt has yet been made to arrange the freshwater shells of Tasmania. The land shells have been carefully catalogued by Mr. Legrand, so that little remains to be desired in that department of our island fauna.
Tenison Woods, Julian Edmund
core   +1 more source

Dynamics of Angiostrongylus cantonensis infection in invasive snails Biomphalaria straminea and Physa acuta from Guangdong, southern China

open access: yesParasitology
Biomphalaria straminea (Gastropoda: Planorbidae) and Physa acuta (Gastropoda: Physidae), both invasive species in southern China, are important vectors for zoonotic diseases.
Ping He   +10 more
doaj   +1 more source

Creating and Implementing a Teaching Module for the High School Biology Classroom [PDF]

open access: yes, 2014
The “nature of science” is an educational concept that encourages science teachers to teach students about the origin, nature, methods, and limits of human knowledge.
Jaeckle, Faculty Advisor, William   +1 more
core   +1 more source

Who eats whom? Interactions between the non-native snail Physa acuta, local digeneans, and a commensal oligochaete

open access: yesParasitology
Parasite transmission can be disrupted when their free-living larval stages are consumed by non-host organisms. Yet, the contribution of benthic scrapers to this process remains insufficiently explored. Here, we experimentally assessed the ability of the
Anna Stanicka   +8 more
doaj   +1 more source

Is all salinity the same? I. The effect of ionic compositions on the salinity tolerance of five species of freshwater invertebrates [PDF]

open access: yes, 2006
Salts of marine origin, predominantly consisting of Na+ and Cl- ions, are dominant in most Australian inland saline waters. The proportions of other ions, Ca2+, Mg2+, SO42-, HCO3- and CO32-, in the water may influence salinity tolerance of freshwater ...
Kefford, B, Nugegoda, D, Zalizniak, L
core   +1 more source

Ecology of the non-native snail Sinotaia cf quadrata (Caenogastropoda: Viviparidae). A study in a lowland stream of South America with different water qualities [PDF]

open access: yes, 2017
Sinotaia quadrata is a snail native from Asia recorded for the first time in South America in 2009 in central Argentina. In 2015, this species was also found in a lowland stream with different water qualities. Our aims were to contribute to the knowledge
Altieri, Paula Daniela   +5 more
core   +3 more sources

Mollusk communities differ between microenvironments within a shallow lake in the Pampean Region, Argentina

open access: yesEcología Austral, 2018
The aim of this study is to compare the faunistic mollusk composition at a local scale, in different sites within a shallow lake, and to evaluate the relation between abundance and richness of mollusks and the environmental variables.
Eleonor Tietze   +2 more
doaj   +1 more source

Bridging gaps in the molecular phylogeny of the Lymnaeidae (Gastropoda: Pulmonata), vectors of Fascioliasis [PDF]

open access: yes, 2010
Background: Lymnaeidae snails play a prominent role in the transmission of helminths, mainly trematodes of medical and veterinary importance (e.g., Fasciola liver flukes).
Ana C Correa   +7 more
core   +2 more sources

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