Search for dissertations about: "Plant flora"

Showing result 1 - 5 of 27 swedish dissertations containing the words Plant flora.

  1. 1. The Usambara mountains, NE Tanzania : phytogeography of the vascular plant flora

    Author : Svein Terje Iversen; Uppsala universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; Biology; Biologi;

    Abstract : .... READ MORE

  2. 2. On the complexity of dealing with introduced plants as cultural heritage : a historical multidisciplinary study of plants introduced to Norway from 1750 to 1900, exemplified with Abies alba Mill. (European silver fir) as a case species

    Author : Ulrika Ridbäck; Norges miljø- og biovitenskapelige universitet; []
    Keywords : HUMANITIES; HUMANIORA; NATURAL SCIENCES; NATURVETENSKAP; AGRICULTURAL SCIENCES; LANTBRUKSVETENSKAPER; NATURVETENSKAP; LANTBRUKSVETENSKAPER; HUMANIORA; NATURAL SCIENCES; AGRICULTURAL SCIENCES; HUMANITIES; plants; flora; Norway; European silver fir; Abies alba; plant introduction; history; landscape management;

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  3. 3. Nutrient and Organic Matter Dynamics in Beech Forest Floors, in Relation to the Presence of Ground Flora

    Author : Frida Andréasson; Biologiska institutionen; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; bioavailability; mineralisation; soil acidity; soil matrix solution; soil leachate; nitrate; ammonia; dissolved organic carbon; beech; Ground flora; forest floor; O horizon; A horizon; Plant ecology; Växtekologi;

    Abstract : The objective of this thesis was to quantify differences between adjacent patches with and without ground flora of Deschampsia flexuosa L. Trin or Anemone nemorosa L. in two acid European beech (Fagus sylvatica L.) forest floors in south-west of Sweden. READ MORE

  4. 4. Reproductive strategies and liming responses in forest field-layer flora

    Author : Annika Kruuse af Verchou; Biologiska institutionen; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; species turnover; species richness; sexual reproduction; podzol; pH; Lamiastrum galeobdolon; forest liming; demography; Cambisol; clonal plants; SRE; vegetative reproduction; VRE; Plant ecology; Växtekologi;

    Abstract : Liming increased species richness, in accordance with the species pool hypothesis, and number of plants of individual species in beech forest field-layer vegetation, by increasing establishment by seedlings and vegetative offspring. Turnover rates also increased, suggesting the explanatory value of the carousel model. READ MORE

  5. 5. Waterfowl herbivory on submerged macrophytes in eutrophic lakes

    Author : Håkan Sandsten; Biologiska institutionen; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; NATURAL SCIENCES; limnology; Marinbiologi; limnologi; Hydrobiology; Växtekologi; Plant ecology; akvatisk ekologi; Djurekologi; Animal ecology; Anas; Fulica atra; Cygnus; alternative stable states; water depth; distribution; plant species composition; hydrophytes; propagule size; Herbivory; tuber; Potamogeton; marine biology; aquatic ecology;

    Abstract : Submerged macrophytes are thought to stabilize clear-water states of shallow lakes. The aim of this thesis was to elucidate how waterfowl herbivory can affect abundance, distribution and species composition of submerged macrophytes in eutrophic lakes. READ MORE