Search for dissertations about: "Podzol"

Showing result 11 - 13 of 13 swedish dissertations containing the word Podzol.

  2. 11. Forest reindeer herding A.D. 1-1800 : an archaeological and palaeoecological study in northern Sweden

    Author : Kjell-Åke Aronsson; Umeå universitet; []
    Keywords : HUMANIORA; HUMANITIES; Domestication; hearth; herding; nomadism; pastoralism; pollen analysis; reindeer; reindeer pen; Saami; settlement pattern; Renskötsel; Renskötsel-- Arkeologi -- Sverige -- 1-1800 e.Kr.; Renskötsel-- Paleoekologi -- Sverige -- 1-1800 e.Kr.;

    Abstract : This thesis deals with reindeer domestication and herding in northern Sweden. The work is focussed on the introduction of forest reindeer herding but this problem is discussed in a wider economic and cultural context.The archaeological material is considered from sourcecritical aspects. READ MORE

  4. 12. Interactions between ectomycorrhizal associations and bacteria

    Author : Srisailam Marupakula; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Abstract : Boreal forest podzol soils have vertically stratified horizons with different physico-chemical characteristics and high microbial diversity. Ectomycorrhizal fungi play key roles in accessing nutrients from both organic and mineral substrates. The role of associated bacteria in these processes is still poorly understood. READ MORE

  5. 13. Environmental records of carbonaceous fly-ash particles from fossil-fuel combustion

    Author : Maria Wik; Lars Ericson; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Carbonaceous particles; soot; anthropogenic particles; oil and coal combustion; fossil fuel combustion; lake sediments; lake acidification; forest soils; historical monitoring;

    Abstract : Fossil fuel combustion produces fly-ash particles that are released into the atmosphere and deposited in the environment. A particularly characteristic kind of fly-ash is spheroidal carbonaceous particles. They are composed of an amorphous carbon matrix in which other elements are dispersed. READ MORE