Search for dissertations about: "crop raiding"

Found 2 swedish dissertations containing the words crop raiding.

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

    Author : Debissa Lemessa; Kristoffer Hylander; Peter Hambäck; Martin Entling; Stockholms universitet; []
    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

  4. 2. Ecosystem Services and Disservices in an Agriculture–Forest Mosaic : A Study of Forest and Tree Management and Landscape Transformation in Southwestern Ethiopia

    Author : Tola Gemechu Ango; Lowe Börjeson; Tobias Plieninger; Stockholms universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; conservation; deforestation; ecosystem disservices; ecosystem services; forest; Ethiopia; land grabbing; livelihood; Oromia; policies; political ecology; trees; tropical landscape mosaic; Geography with Emphasis on Human Geography; geografi med kulturgeografisk inriktning;

    Abstract : The intertwined challenges of food insecurity, deforestation, and biodiversity loss remain perennial challenges in Ethiopia, despite increasing policy interventions. This thesis investigates smallholding farmers’ tree- and forest-based livelihoods and management practices, in the context of national development and conservation policies, and examines how these local management practices and policies transform the agriculture–forest mosaic landscapes of southwestern Ethiopia. READ MORE