Results 11 to 20 of about 113 (102)
The development of isolated blastomeres in Bithynia tentaculata (prosobranchia, gastropoda) [PDF]
AbstractThe development of isolated blastomeres, separated at the first and second cleavage has been studied. After separation at the first cleavage, one half‐embryo (CD) becomes swollen and balloon‐like and develops adult organs such as eyes, tentacles, shell, operculum, etc.
Verdonk, Nicolaas Hendrikus +1 more
openaire +3 more sources
Thirty years of slug control using the parasitic nematode Phasmarhabditis hermaphrodita and beyond
The nematode Phasmarhabditis hermaphrodita is a parasite of slugs and snails and has been formulated into a biological control agent for use across northern Europe since 1994. Here, we review all research on P. hermaphrodita that has been carried out over the last 30 years and suggest future priorities.
Robbie Rae +2 more
wiley +1 more source
Abstract Freshwater mussels (Bivalvia: Unionidae) are often described as ecosystem engineers, with the capacity to alter abiotic habitats; this can facilitate certain macroinvertebrate taxa, increasing biodiversity and potentially altering community composition.
Isobel Ollard +2 more
wiley +1 more source
ABSTRACT Investigations at Oak Tree Fields, Cerney Wick, Gloucestershire, in western England have revealed a sequence of fluvial deposits dating from Marine Oxygen Isotope Stage (MIS) 7 to 5. At the base of the sequence, a series of gravel and sand facies were deposited, initially as part of a meandering river.
Joshua T. Hogue +13 more
wiley +1 more source
Abstract Aquatic invasive species (AIS) present major ecological and economic challenges globally, endangering ecosystems and human livelihoods. Managers and policy makers thus need tools to predict invasion risk and prioritize species and areas of concern, and they often use native range climate matching to determine whether a species could persist in
Ryan C. Burner +4 more
wiley +1 more source
Doplněk k poznání vodních měkkýšů Labe mezi Hřenskem a Střekovem a srovnání s malakofaunou Labe v jiných úsecích [PDF]
This paper completes knowledge on aquatic molluscs of the free flowing part of the Elbe River between Hřensko and the weir with lock in Ústí nad Labem – Střekov.
Luboš Beran
doaj +1 more source
DNA Barcoding and Distribution of Gastropods and Malacostracans in the Lower Danube Region
This survey reports the spatial distribution of gastropods belonging to Caenogastropoda, Architaenioglossa, Littorinimorpha, Cycloneritida and Hygrophila orders, and malacostracans from Amphipoda and Mysida orders in the lower sector of the Danube River,
Selma Menabit +5 more
doaj +1 more source
To better understand the environmental variability during the Holsteinian interglacial, fauna of the palaeolake deposits at Ortel Królewski II, eastern Poland was investigated. The analysis covered the uppermost part of the profile, representing the so‐called pre‐optimal part of the Holsteinian interglacial (MIS 11c), namely the Taxus and Pinus‐Larix ...
Monika Czajkowska
wiley +1 more source
High parasite diversity in a neglected host: larval trematodes ofBithynia tentaculatain Central Europe [PDF]
AbstractBithynids snails are a widespread group of molluscs in European freshwater systems. However, not much information is available on trematode communities from molluscs of this family. Here, we investigate the trematode diversity ofBithynia tentaculata, based on molecular and morphological data.
Schwelm, Jessica +4 more
openaire +4 more sources
Abstract Invasive alien species are recognized as a significant anthropogenic threat to freshwater ecosystems, because they may bring about the local extinction of native species and the collapse of habitat types of special conservation concern. The Water Framework Directive (WFD) is an important legislative tool for the protection of water bodies in ...
Hanno Sandvik +7 more
wiley +1 more source

