Essays about: "Freshwater pearl mussel"

Showing result 1 - 5 of 9 essays containing the words Freshwater pearl mussel.

  1. 1. Physical microhabitat requirements for Margaritifera margaritifera and the influence of hydro- and morphodynamics on mussel bed stability

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Tove Westberg; [2020]
    Keywords : Stream restoration; Freshwater pearl mussel; Microhabitat requirements; Sediment transport; Mussel translocation;

    Abstract : Margaritifera margaritifera is an endangered freshwater pearl mussel with population declines throughout its Holarctic range. Boulder-bed channels with little input of fine sediment in previously channelized streams are abundant in Sweden. Hence, restoration efforts for M. READ MORE

  2. 2. Host - parasite interactions: : the relationship between encystment load of the freshwater pearl mussel (Margaritifera margaritifera) and genetic diversity of its host (Salmo trutta)

    University essay from Karlstads universitet/Institutionen för miljö- och livsvetenskaper

    Author : Helena Winser; [2015]
    Keywords : ;

    Abstract : The freshwater pearl mussel (FPM, Margaritifera margaritifera) is an endangered bivalve mollusc with an obligatory larval parasitic phase on brown trout (Salmo trutta). The FPM has declined throughout its entire range due to causes such as habitat degradation, eutrophication, acidification, changed hydrology and lack of host fish. READ MORE

  3. 3. Freshwater pearl mussel as indicators of Swedish streams - a comparison between freshwater pearl mussel and biological quality elements

    University essay from SLU/Dept. of Aquatic Sciences and Assessment

    Author : Kristin Forsell; [2014]
    Keywords : flodpärlmussla; biologiska kvalitetsfaktorer; freshwater pearl mussel; biological quality elements;

    Abstract : The freshwater pearl mussel (Margaritifera margaritifera) is a large freshwater mussel. Because of its sensitivity to human impact, such as eutrophication, acidification and alterations of hydromorphology, the species is considered as a robust indicator of stream water quality and biodiversity. READ MORE

  4. 4. Bottensubstratets inverkan på föryngring av Flodpärlmussla

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Viktor Boström; Hjalmar Holm; [2012]
    Keywords : Margaritifera margaritifera; freshwater pearl mussel; regeneration; bottom substrates;

    Abstract : The freshwater pearl mussel (Margaritifera margaritifera) is threatened throughout its range. There has been a substantial decline of the species and one major reason is habitat degradation. READ MORE

  5. 5. Om behovet av ett avrinningsområdesanpassat skogsbruk

    University essay from SLU/School for Forest Management

    Author : Robin Pettersson; [2011]
    Keywords : Avrinningsområde; Skogsbruk; Vatten;

    Abstract : The Swedish forest have about 100 000 km of watercourses and it’s an important structure in Swedish landscapes and catchments. In some of the watercourses lives spieces like the freshwater pearl mussel (Margaritifera margaritifera) and brown trout (Salmo trutta) which both are sensitive for inteference from the forestry. READ MORE