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Showing 1 to 6 of 6 for “"Helisoma"”.

  1. The effect of temperature and light on oxygen consumption and rate of development of Helisoma

    Roney, Harland BurrUniversity of Illinois Urbana-Champaign1938

    uiuc Repository record

  2. Living and Recent Dead Milluscan Assemblages Upper Lasalle Lake, Minnesota

    Wangerud, Kenneth W.

    … Gyraulus parvus, Fossaria obrussa, Physa gyrina, Helisoma anceps, Promenetus exacuous, Helisoma campanulatum, Physa integra, Lymnaea stagnalis jugularis and Amnicola lustrica – had densities which generally decreased from 1 to 3 m and increased from 4 to 6 m, except at a sampling station where …

    nodak Repository record

  3. Multi-omic analysis of contaminated sediments from Contrecoeur, QC on Planorbid snails

    St-Laurent-Guérin, JeanneUniversity of Ontario Institute of Technology2024

    … A two-week in-situ exposure was performed on Helisoma trivolvis, and a 28-d laboratory exposure of Planorbella pilsbryi to the same sediments was completed. Snail tissue samples were collected for proteomic and metabolomic analysis. Sediment contamination caused mortality and affected the …

    uoit Repository record

  4. Environmental fate and effects of atrazine, metolachlor, carbaryl and chlorothalonil in lotic ecosystems

    Elias, Daniel2016

    … common freshwater snails. Physa acuta and Helisoma anceps egestion was lower with individual and combined pesticide exposure likely a result of narcosis and species-specific susceptibility. These data indicate that pesticide fate and abundance are influenced by compound characteristics and …

    ballstate-thes Repository record

  5. Bioaccumulation of Triclocarban, Triclosan, and Methyl-triclosan in a North Texas Wastewater Treatment Plant Receiving Stream and Effects of Triclosan on Algal Lipid Synthesis.

    Coogan, Melinda AnnUniversity of North Texas2007

    … of the alga Cladophora sp. and the caged snail Helisoma trivolvis as test species. Additionally, TCS effects on E. coli and Arabidopsis have been shown to reduce fatty acid biosynthesis and total lipid content by inhibiting the trans-2 enoyl- ACP reductase. The lipid synthesis pathway effects of …

    unt Repository record

  6. Population Biology of Daubaylia potomaca (Nematoda:Rhabditida) in Mallard Lake, North Carolina

    Zimmermann, MichaelWake Forest University2010

    … a direct life cycle through the pulmonate snail Helisoma anceps with the adult female nematode being the infective stage. Found in all tissues and blood spaces, this parasite was ultimately found to decrease the life span of its snail host. Additionally, parasite-induced winter mortality of H. …

    wfu Repository record