Results 21 to 30 of about 186 (123)
Objective: To investigate the prevalence of cercarial trematode infection in snails and to examine the reconstruction of the phylogenetic relationship to explain the molecular system of cercarial stage trematodes to estimate the infection rate of in the ...
Sothorn Anucherngchai +2 more
doaj +1 more source
MOLLUSK OF THE FAMILY BITHYNIIDAE (GASTROPODA, LITTORINIMORPHA) OF THE LOWER VOLGA PLAINS RIVER
Background. Preservation of stable and sustainable natural conditions in aquatic ecosystems of various territories is the most urgent problem of nature management in many regions of the world. Occurring changes together with the anthropogenic factor intensify the processes of destabilization of watercourse biocenoses.
openaire +1 more source
Rivers are impacted ecosystems that need to be monitored regularly. Here, we have tested a metabarcoding approach to compare the results on water quality monitoring with conventional assessments for benthic macroinvertebrates. Water quality monitoring in freshwaters using macroinvertebrate eDNA performs equally well than conventional morphological ...
Sara Fernández +4 more
wiley +1 more source
Transferência do gênero monotípico Parodizia Medina de Bithyniidae (Gastropoda, Prosobranchia) para Pyramidellidae (Gastropoda, Heterobranchia) [PDF]
Propõe-se a transferência do gênero monitípico Parodizia Medina, 1959 de Bithyniidae (Prosobranchia) para Pyramidellidae (Heterobranchia). A proposta está baseada em dados morfológicos de espécimens de P. uruguayensis Medina, 1959 procedentes da bacia do rio Tramandaí, Rio Grande do Sul, Brasil.
Silva, Maria Cristina Pons da +1 more
openaire +3 more sources
Abstract Type and intensity of land‐use vary in space and time and strongly contribute to changes in richness and composition of species communities. In this study, we examined land snail communities in forests and grasslands in three regions of Germany.
Katja Wehner +5 more
wiley +1 more source
Sun Island Bund Wetland (SIBW) is a river floodplain wetland located at the south part of Heilongjiang Province in Northeast China. An investigation of the influence of habitat type on macroinvertebrates assemblages structure was conducted in July 2016.
Nagam Khudhair +4 more
wiley +1 more source
Background and Objectives. Lymnaeid snails are the known intermediate hosts of the liver fluke Fasciola spp. and therefore play an important role in the parasite’s life cycle. The study is conducted to determine specificity of snail host‐parasite interaction and to determine the snail‐trematode infection rate by cercarial emergence, characterizing the ...
Gregorio L. Martin I +2 more
wiley +1 more source
BITHYNIA SHAPKAREVI N.SP., A NEW SPECIES FROM PRESPA LAKE, R. MACEDONIA (GASTROPODA: BITHYNIIDAE)
From Macedonia only Bithynia prespensis Hadžišče, 1963 is known so far. Recent investigations in Prespa Lake revealed a new Bithynia species, Bithynia shapkarevi n. sp. which is described here. Holotype and a paratype in addition to the penis morphology are depicted. The new Bithynia species has been compared with all known Bithynia spp.
Peter Glöer +2 more
openaire +1 more source
Modeling Aquatic Macroinvertebrate Richness Using Landscape Attributes
We used a rapid, repeatable, and inexpensive geographic information system (GIS) approach to predict aquatic macroinvertebrate family richness using the landscape attributes stream gradient, riparian forest cover, and water quality. Stream segments in the Allegheny River basin were classified into eight habitat classes using these three landscape ...
Marcia S. Meixler +2 more
wiley +1 more source
ABSTRACT Freshwater mussels are a globally threatened taxon, but little is known about population trajectories for species outside Europe and North America. To contribute to understanding of mussel conservation status outside these regions, we surveyed mussel and other invertebrate populations in waterbodies across Dhaka, Bangladesh, to assess ...
Isobel Ollard +3 more
wiley +1 more source

