Sökning: "Sveriges Lantbruksuniversitet."

Visar resultat 1 - 5 av 1713 avhandlingar innehållade orden Sveriges Lantbruksuniversitet..

  1. 1. Microbial diversity in Baltic Sea sediments

    Detta är en avhandling från Uppsala : Sveriges Lantbruksuniversitet

    Författare :Anna Edlund; Södertörns högskola.; Sveriges lantbruksuniversitet.; [2007]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Östersjö- och Östeuropaforskning; Baltic and East European studies; Havsbottnen; Mikroorganismer;

    Sammanfattning : This thesis focuses on microbial community structures and their functions in Baltic Sea sediments. First we investigated the distribution of archaea and bacteria in Baltic Sea sediments along a eutrophication gradient. LÄS MER

  2. 2. Genetic Heteroscedasticity for Domestic Animal Traits

    Detta är en avhandling från Uppsala : Sveriges Lantbruksuniversitet

    Författare :Majbritt Felleki; Högskolan Dalarna.; Sveriges lantbruksuniversitet.; [2014]
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; Komplexa system - mikrodataanalys; Quantitative genetics; genetic heteroscedasticity of residuals; genetic heterogeneity of environmental variation; genetic heterogeneity of residual variance; double hierarchical generalized linear models; teat count in pigs; litter size in pigs; milk yield in cows; somatic cell count in cows;

    Sammanfattning : Animal traits differ not only in mean, but also in variation around the mean. For instance, one sire’s daughter group may be very homogeneous, while another sire’s daughters are much more heterogeneous in performance. The difference in residual variance can partially be explained by genetic differences. LÄS MER

  3. 3. Effects of facilitation and competition on oak seedlings Using shrubs as nurse-plants to facilitate growth and reduce browsing from large herbivores

    Detta är en avhandling från Alnarp : Sveriges Lantbruksuniversitet

    Författare :Anna M. Jensen; Sveriges lantbruksuniversitet.; [2011]
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Sammanfattning : Plant–plant interactions have been indicated as a potential means to facilitate oak seedling establishment and reduce herbivory when restoring oak forests. The aim of this thesis was to investigate mechanisms and outcomes of competitive and indirectly facilitative interactions between oak (Quercus robur and Q. LÄS MER

  4. 4. Size selection of fish in the trap fisheries of the Baltic and Bothnian Seas

    Detta är en avhandling från Umeå : Sveriges Lantbruksuniversitet

    Författare :Mikael Lundin; Högskolan i Gävle.; Sveriges lantbruksuniversitet.; [2014]
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Baltic Sea; Pontoon trap; Bycatch; Size-selection; Selection panel; Grid;

    Sammanfattning : A sustainable fishery in the Baltic Sea requires fishing gear that fishes selectively and at the same time excludes raiding seals. A successful type of trap recently developed in response to the seal problem is the pontoon fish chamber, which significantly decreases damage to gear and catch losses caused by grey seals. LÄS MER

  5. 5. Size-selection of herring (Clupea harengus membras) in a sustainable fishery

    Detta är en avhandling från Umeå : Sveriges Lantbruksuniversitet

    Författare :Mikael Lundin; Högskolan i Gävle.; Sveriges lantbruksuniversitet.; [2012]
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; herrings; clupea harengus; size; bycatch; baltic sea;

    Sammanfattning : .... LÄS MER