Results 31 to 40 of about 5,468 (127)

Acute and chronic toxicity of nickel on freshwater and marine tropical aquatic organisms.

open access: yesEcotoxicology and Environmental Safety, 2020
Water quality guidelines and ecological risk assessment of chemical substances like nickel (Ni) in tropical regions such as South East Asia and Melanesia are often based on temperate information as a result of fewer Ni ecotoxicity data available for ...
Zhen Wang   +10 more
semanticscholar   +1 more source

First record of Helobdella hyalina (Hirudinea; Glossiphoniidae) in the mantle cavity of Planorbidae from lentic environments in a Buenos Aires province, Argentina [PDF]

open access: yes, 2007
Biomphalaria peregrina (D’Orbigny, 1835) and Drepanotrema kermatoides (D’Orbigny, 1835) were first reported as hosts of Helobdella hyalina Ringuelet, 1942. Both are important species from the Río de La Plata river basin in Argentina.
Gullo, Bettina Sandra   +2 more
core   +3 more sources

Achatina fulica infected by Angiostrongylus cantonensis in Manaus, brazilian amazon region, and the risk of transmission of eosinophilic meningitis [PDF]

open access: yes, 2023
Angiostrongylus cantonensis, which causes the zoonosis Eosinophilic Meningitis (EM), has become increasingly widespread in Brazil. Terrestrial mollusks, especially the exotic giant African snail Achatina fulica, have being found naturally infected with ...
Carvalho de Mattos, Aline   +6 more
core   +1 more source

Freshwater mollusks from three reservoirs of Piauí, northeastern Brazil

open access: yes, 2020
The pronounced dry season determines the characteristics of the semiarid region of Brazil. Numerous small reservoirs are built to overcome this condition, accumulating multiple uses and causing important changes in the landscape and the local biota ...
Edson Lourenço da Silva   +10 more
semanticscholar   +1 more source

Radular ultrastructure of South American Ampullariidae (Gastropoda: Prosobranchia) [PDF]

open access: yes, 2007
The radula of five species of South American Ampullariidae was analysed by Scanning Electron Microscope (SEM) with the purpose of enlarging new studies on the systematic of this family.
Martin, Stella Maris   +1 more
core  

Moluscos límnicos do semiárido e nordesde brasileiros: conhecimentos atuais, estrutura e dinâmica das comunidades de dois rios intermitentes piauienses [PDF]

open access: yes, 2022
The distribution and abundance of limnic mollusks depend on several abiotic and biotic factors. In the semiarid region, which brings together a diversity of underexplored biological groups, the extreme conditions caused by irregular drought and flood ...
Leal, Manuella Feitosa
core  

Padrões de distribuição e abundância de gastrópodes límnicos no município de Acaraú, Ceará: avaliando aspectos da Teoria da Biogeografia de Ilhas [PDF]

open access: yes, 2018
Na Teoria da Biogeografia de Ilhas, a relação espécies-área e o isolamento espacial podem influenciar na distribuição de espécies nos habitat. Nesse contexto, ecossistemas lênticos são utilizados para fornecer informações sobre mecanismos locais de ...
Marcos Roberto Santos   +1 more
core   +2 more sources

Current knowledge on population studies on five continental molluscs (Mollusca, Gastropoda et Bivalvia) of Santa Catarina State (SC, Central Southern Brazil region) [PDF]

open access: yes, 2011
Although still very scarce, available knowledge on population studies on continental (land and freshwater)molluscs in the territory of Santa Catarina State is shortly analyzed and discussed.
A. Ignacio Agudo-Padrón
core  

Growth and survival of juvenile Pomacea canaliculata (Gastropoda: Ampullariidae) in plain streams associated to different land uses [PDF]

open access: yes, 2020
Pomacea canaliculata is an apple snail that has become an invasive species in several countries. In this research, through two simultaneous experiments, we assessed the effects of different land uses (urban, agriculture, cattle grazing, farms and ...
Ferreira, Ana Clara   +1 more
core  

Occurrence of Chaetogaster limnaei K. von Baer, 1927 (Oligochaeta, Naididae) associated with Gastropoda mollusks in horticultural channels in Southeastern Brazil

open access: yesBrazilian Journal of Biology
The aim of this study was to evaluate the presence of Chaetogaster limnaei K. von Baer, 1927 in four species of mollusks collected in irrigation channels of a horticultural garden in the city of Juiz de Fora, Minas Gerais State, Southeastern Brazil.
RT. Martins, RG. Alves
doaj   +1 more source

Home - About - Disclaimer - Privacy