Essays about: "Åse Ohlsson"

Found 2 essays containing the words Åse Ohlsson.

  1. 1. Is bishop's goutweed (Aegopodium podagraria L.) sensitive to mechanical disturbances?

    University essay from Institutionen för livsvetenskaper

    Author : Åse Ohlsson; [2008]
    Keywords : Plant herbivory interaction; plant ecology; weed control;

    Abstract : In this study I investigate the sensitiveness of Bishop's goutweed (Aegopodium podagraria L.)to mechanical damages in an experiment with artificial clipping. Based on personalobservations of A. podagraria during several years I hypothesise that i) A. READ MORE

  3. 2. Do plants change their defence strategy from a structural defence to a chemical one as a response to heavier herbivory?

    University essay from Institutionen för livsvetenskaper

    Author : Åse Ohlsson; [2005]
    Keywords : Betespåverkan; botanik; försvarsmekanismer;

    Abstract : To the main part, this paper is the result of a literature survey and to the minor part of a field survey. The study is found on the question of, if and why unpalatable plant species invade heavily grassed rangelands and if plants change their defence strategy from a mechanical defence to a chemical defence if the herbivory pressure increase. READ MORE