Results 41 to 50 of about 31,941 (201)

Snails promote methane release from a freshwater lake ecosystem

open access: yesFrontiers in Environmental Science, 2014
Benthic fauna, as ecosystem engineers, can strongly affect microbial-driven ecosystem biogeochemical cycling. However, the effects of benthic fauna, especially epifauna, on CH4 cycling remain still elusive.
Xiao eXu   +8 more
doaj   +1 more source

Molecular Prevalence of Larval Stages of Fasciola hepatica in Lymnaea stagnalis Species Snails in the Vicinity of the Ağrı Province

open access: yesTürkiye Parazitoloji Dergisi, 2023
Objective: Lymnaea stagnalis known as the great pond snail, is one of the intermediate hosts of Fasciola hepatica, a zoonotic parasite. In this study, it was aimed to determine the larval forms of F.
Ahmet Hakan Ünlü   +3 more
doaj   +1 more source

The exotic gastropod Clea helena (von dem Busch, 1847) as a predator of freshwater gastropods: a threat to native biota in India?

open access: yesLimnological Review, 2021
The carnivorous snail Clea (Anentome) helena (von dem Busch, 1847) (Gastropoda: Nassariidae), commonly called as the “assassin snail” is sold worldwide including India for aesthetics and the ability to kill pest snails in aquaria.
Paul Pranesh   +5 more
doaj   +1 more source

Cercariae (Digenea: Strigeidae, Diplostomidae) in Biomphalaria straminea (Planorbidae) from a rice field in Northeastern Argentina [PDF]

open access: yes, 2017
The rice fields can provide habitats for many species of aquatic invertebrates, as insects, molluscs, crustaceans; and vertebrates, as fish, amphibians, reptiles and birds, which may act as hosts in the life cycles of digenean parasites. In this context,
Fernández, María Virginia   +1 more
core   +1 more source

Bithyniid Abundance in the South of Western Siberia Water-Courses and Water Reservoirs (Russia)

open access: yesDiversity, 2022
Gastropoda are an important component of the freshwater benthic communities of Western Siberia and participate in a number of trophic relationships and as the intermediate hosts of trematodes.
Elena A. Serbina
doaj   +1 more source

Toxicity of Metals to a Freshwater Snail,Melanoides tuberculata [PDF]

open access: yesThe Scientific World Journal, 2012
Adult freshwater snailsMelanoides tuberculata(Gastropod, Thiaridae) were exposed for a four-day period in laboratory conditions to a range of copper (Cu), cadmium (Cd), zinc (Zn), lead (Pb), nickel (Ni), iron (Fe), aluminium (Al), and manganese (Mn) concentrations.
M. Shuhaimi-Othman   +2 more
openaire   +3 more sources

Effects of water temperature on summer periphyton biomass in shallow lakes: a pan-European mesocosm experiment [PDF]

open access: yes, 2015
Periphyton communities play an important role in shallow lakes and are controlled by direct forces such as temperature, light, nutrients, and invertebrate grazing, but also indirectly by planktivorous fish predation.
Adrian, Rita   +9 more
core   +1 more source

LARVAL STAGES OF TREMATODES IN FRESHWATER SNAILS OF THE CHORNOBYL ZONE OF RADIOACTIVE CONTAMINATION

open access: yesUkrainian Journal of Veterinary Sciences, 2021
In 1986, at the Chornobyl Nuclear Power Plant in the Exclusion Zone after an industrial accident, ecosystems began to have several features that distinguish them from the objects of the natural reserve fund. Parasitic systems are an informative indicator
V. I. STOROZHUK   +4 more
doaj   +1 more source

Clonal diversity driven by parasitism in a freshwater snail [PDF]

open access: yesJournal of Evolutionary Biology, 2013
AbstractOne explanation for the widespread abundance of sexual reproduction is the advantage that genetically diverse sexual lineages have under strong pressure from virulent coevolving parasites. Such parasites are believed to track common asexual host genotypes, resulting in negative frequency‐dependent selection that counterbalances the population ...
Dagan Y.   +3 more
openaire   +3 more sources

Description of a new actinosporean type from South African freshwater [PDF]

open access: yes, 2004
The 1st report on actinospores described these organisms as parasites related to myxosporeans. For a long time this group of parasites was believed to represent an independent taxonomic entity.
Avenant-Oldewage, Annemarie   +2 more
core   +1 more source

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