Sökning: "Carp"

Visar resultat 1 - 5 av 13 uppsatser innehållade ordet Carp.

  1. 1. Spatial and temporal variations in stable isotope signatures (δ13C and δ15N) of the gammarids and the common carp in the southern coast of the Caspian Sea

    Master-uppsats, SLU/Dept. Of Aquatic Resources

    Författare :Nazila Hajizadeh Koupayeh; [2020]
    Nyckelord :carbon stable isotope; Caspian sea; Cyprinus carpio; food webs; Gammarus aequicauda; nitrogen stable isotope; Pontogammarus maeoticus;

    Sammanfattning : Despite the growing body of research on the use of stable isotope analysis in food web studies, spatial and temporal variations in stable isotope ratios of coastal communities are still poorly understood. The aim of my study is to explore how carbon and nitrogen stable isotopes of selected benthic communities vary spatially and temporally across the south of Caspian Sea. LÄS MER

  2. 2. Recycling of Polypropylene and Polyamide Blends Using Thermomechanical Recycling

    Kandidat-uppsats, KTH/Materialvetenskap

    Författare :Nazariy Voytyuk; [2020]
    Nyckelord :;

    Sammanfattning : The aim of the thesis was to recycle a common carpet waste containing polyamide 6 (PA6) and polypropylene (PP) polymers with thermomechanical recycling. The produced products were compared to neat polymer materials. The recycled material underwent the thermomechanical process which includes shredding and extruding. LÄS MER

  3. 3. Changes in the fish community in Lake Tåkern, Sweden - a comparison between 1978-1979 and 2019

    Master-uppsats, Linköpings universitet/Biologi

    Författare :Manfred Skog; [2020]
    Nyckelord :Fish community; Shallow lakes; Test-fishing; Establishment of species; Crucian carp; Bream; Winter hypoxia;

    Sammanfattning : Climate changes alter species composition in both aquatic and terrestrial ecosystems. For establishment of species in a fish community, dispersal barriers, habitat structure and interactions between species act as a filter. LÄS MER

  4. 4. Från Ugarit till Uppland : En studie om kontakter mellan Skandinavien och Medelhavsvärlden under den skandinaviska bronsåldern

    Kandidat-uppsats, Uppsala universitet/Institutionen för arkeologi och antik historia

    Författare :Ibrahim Mehdi; [2019]
    Nyckelord :Bronze Age; Ship; house urns; strontium; Bronze; Carp’s tongue sword; Naue II; communication; interaction; contacts; trade; Bronsålder; skepp; husurnor; strontium; brons; grepptungesvärd; Naue II; kommunikation; interaktion; kontakter; handel;

    Sammanfattning : This thesis studies the contacts between Scandinavia and the Mediterranean area during the Scandinavian Bronze Age. These contacts have been the topic of controversy for a long time as one side of the debate believes in direct contacts between Scandinavia and the Mediterranean area, and the other side believes that contacts between the two areas could only have been by down the line trading contacts. LÄS MER

  5. 5. Kan musselextrakt (Mytilus edulis) inducera födosök hos omnivoren ruda, Carassius carassius (Linnaeus, 1758)?

    Kandidat-uppsats, Södertörns högskola/Miljövetenskap; Södertörns högskola/Miljövetenskap

    Författare :Ninél Sukovich; Jennifer Backman; [2016]
    Nyckelord :Musselmeal; Olfactory stimulation; Fish feed; Sustainable aquaculture; Sustainable development; Luktstimulerande; Fiskfoder; Musselmjöl; Hållbart vattenbruk; Hållbar utveckling;

    Sammanfattning : Over the last three decades there has been a significant increase in aquaculture production and the demand for farmed fish is predicted to rise further. More fish are being caught to become fishmeal in aquaculture, than for direct human consumption use, while a large number of fish stocks are being depleted. LÄS MER