Results 21 to 30 of about 945 (176)

Esquistossomose mansônica e distribuição dos moluscos límnicos em criadouros naturais no Município de Niterói, Rio de Janeiro, Brasil Schistosomiasis mansoni and distribution of freshwater mollusks in natural bodies of water in Niterói, Rio de Janeiro State, Brazil

Cadernos de Saúde Pública, 2002
A distribuição dos moluscos límnicos presentes em Niterói, Estado do Rio de Janeiro, Brasil, bem como dos casos de esquistossomose relatados no período de 1995 a 2000, são apresentados. Foram pesquisadas todas as coleções hídricas favoráveis à ocorrência
Almir de Souza Medeiros, Oswaldo José da Cruz, Monica Ammon Fernandez   +2 more
doaj   +1 more source

Ecology, Morphology and Molecular Confirmation of Chaetogaster limnaei (Annelida: Naididae) retrieved from freshwater snail Physa acuta from Greater Zab River, Iraq.

Tikrit Journal of Pure Science, 2023
The present study is concerned with the Chaetogaster limnaei retrieved from the freshwater snail Physa acuta collected from (March-October 2021) from various locations near Chama-dubz village on the Greater Zab River, Erbil province, Iraq.
Shwan Khursheed Bashê
doaj   +1 more source

Determination of the lethal doses LD50 and LD90 of Euphorbia splendens var. hislopii latex on Physa cubensis Pfeiffer

Revista Ambiente & Água, 2012
The genus Physa are among the most common and widespread fresh-water snails and are frequently associated with the genus Lymnaea and Biomphalaria, typically occupying the same habitat and being hosts of trematodes that can cause disease in humans ...
Aloysio da Silva Ferrão Filho, Valdinei Valin, José Augusto Albuquerque Santos   +2 more
doaj   +1 more source

Cuenca del Arroyo Chapaleofú: agriculturización y efecto del insecticida clorpirifos sobre una especie no blanco

Ecosistemas y Recursos Agropecuarios, 2022
La agriculturización es un causante de transformación en los territorios. El actual modelo de agricultura predominante, basado en la aplicación de plagui- cidas para mantener el cultivo saludable y sin competencia, no solo afecta a la especie ...
Paula Rocío Pena-Gómez, Rocío Fernández-San Juan, Ailin Somoza, Patricia Vazquez, Agustina Cortelezzi   +4 more
doaj   +1 more source

The evolution of reproductive isolation in a simultaneous hermaphrodite, the freshwater snail Physa

BMC Evolutionary Biology, 2011
Background The cosmopolitan freshwater snail Physa acuta has recently found widespread use as a model organism for the study of mating systems and reproductive allocation.
Lydeard Charles, Wethington Amy R, Dillon Robert T   +2 more
doaj   +1 more source

Atração miraxonal exercida por Biomphalaria straminea, Lymnaea columella e Physa sp, sobre miracídios de Schistosoma mansoni da linhagem BH The miraxonal attraction exercised by Biomphalaria straminea, Lymnaea columella and Physa sp over miracidia of Schistosoma mansoni

Revista de Saúde Pública, 1991
Utilizando-se um artefato de vidro composto de duas câmaras unidas por um canal, testamos a atração miraxonal exercida por Biomphalaria straminea, Lymnaea columella e Physa sp, sobre larvas de Schistosoma mansoni da linhagem BH.
Luiz A. Magalhães, Eliana M. Zanotti-Magalhães, José F. de Carvalho, Marina Faraone   +3 more
doaj   +1 more source

Vodní měkkýši přírodní rezervace Krabonošská niva [PDF]

Malacologica Bohemoslovaca, 2021
A floodplain of the Lužnice river at the Czech-Austrian border is protected by the Krabonošská niva Nature Reserve (Southern Bohemia, Czech Republic). This floodplain has a relatively natural character and, in addition to the Lužnice river, there is a ...
Luboš Beran, Jaroslav Beran
doaj   +1 more source

Vodní měkkýši lomů ČSA a Vršany – počátek kolonizace [PDF]

Malacologica Bohemoslovaca
In 2022 and 2023, aquatic molluscs were surveyed in brown coal quarries ČSA and Vršany, northwestern Bohemia, where mining is ending and reclamation is in progress.
Luboš Beran
doaj   +1 more source

Bioenergetics in two pulmonate snails, Helisoma and Physa [PDF]

Comparative Biochemistry and Physiology Part A: Physiology, 1975
Abstract Energy budgets constructed for the pulmonate snails, Physa gyrina and Helisoma trivolvis, indicate: 1. 1. Assimilation efficiency in wild type Physa (88·9 per cent) and Helisoma (73·2 per cent) are exceptionally high when compared to reported values for invertebrates while assimilation efficiency in an albino strain of Helisoma ...
Studier, Eugene H., Edwards, Kim E., Thompson, Michael D.   +2 more
openaire   +3 more sources

Physa cubensis Pfeiffer, 1839 (Pulmonata: Physidae)

Memorias do Instituto Oswaldo Cruz, 1987
A description of Physa cubensis Pfeiffer, 1839, based on 15 speciments collected in Havana, Cuba, is presented. The shell, measuring 9.0 x 4,8mm to 12.3 x 6.4mm, is ovate-oblong, thin, diaphanous, horncolored, shining.
W. Lobato Paraense
doaj   +1 more source