Search for dissertations about: "Debissa Lemessa"

Found 1 swedish dissertation containing the words Debissa Lemessa.

  1. 1. Pests and pest controlling organisms across tropical agroecological landscapes in relation to forest and tree-cover

    University dissertation from Stockholm : Department of Ecology, Environment and Plant Sciences, Stockholm University

    Author : Debissa Lemessa; Stockholms universitet.; [2014]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; activity abundance; crop raiding; exclosure experiment; homegarden; leaf damage; predation; spatial scales; structural complexity; Plant Ecology; växtekologi;

    Abstract : A major challenge in agroecosystems is how to manage the systems so that it reduces crop pests and enhances natural pest control. This thesis investigates patterns of crop pests and top-down effects of birds and arthropod predators in relation to land-use composition across spatial scales. READ MORE