Search for dissertations about: "shade"

Showing result 1 - 5 of 39 swedish dissertations containing the word shade.

  2. 1. Shedding Light on Shade- and Dark-Induced Leaf Senescence

    Author : Bastiaan Brouwer; Per Gardeström; Karin Krupinska; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Arabidopsis; darkness; light; photosynthesis; phytochrome; shade; senescence;

    Abstract : Leaf senescence is the final stage of leaf development, during which the leaf relocates most of itsvaluable nutrients to developing or storing parts of the plant. As this process progresses, leaves losetheir green color and their capacity to perform photosynthesis. READ MORE

  4. 2. The role of regeneration in plant niche differentiation and habitat specialization

    Author : Dirk-Jan ten Brink; Biologiska institutionen; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; seed mass; seed size; drought; shade; seed germination; seed dormancy; seedling establishment; plant community ecology; assembly rules; habitat specialization; plant recruitment; Regeneration; niche differentiation; phylogenetic independent contrasts; plant traits; soil fertility; comparative ecology;

    Abstract : To predict the effects of environmental change and nature management on the distribution of plant species, it is crucial to understand the mechanisms of plant niche differentiation and habitat specialization. The importance to habitat specialization of particular plant traits and requirement of the regenerative phase of the plants life has received scanty interest. READ MORE

  5. 3. A Lighter Shade of Dark : Exploring the Value Adding and Value Subtracting Effects of Headquarters Attention and Involvement in Subsidiary Activities

    Author : Amalia C. Nilsson; Henrik Dellestrand; Francesco Ciabuschi; Ram Mudambi; Uppsala universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; multinational corporation; headquarters-subsidiary relationship; attention-based view; parenting; issue selling;

    Abstract : Headquarters of multinational corporations are presented with a diverse range of stimuli that influences the issues that they pay attention to and ultimately get involved in. However, headquarters have to prioritize since their attention and resources are limited, and they cannot pay attention to all issues and get equally involved in all subsidiaries. READ MORE

  6. 4. The relationship between climate, disease and coffee yield: optimizing management for smallholder farmers

    Author : Biruk Ayalew Nurihun; Ayco J. M. Tack; Kristoffer Hylander; Ivette Perfecto; Stockholms universitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; Agroforestry; Arabica coffee; climate change; fungal disease; host-hyperparasite interaction; insect pest; minimum temperature and maximum temperature; shade cover; shade tree species; smallholder farmers; yield; Ecology and Evolution; ekologi och evolution;

    Abstract : Climate change and diseases are threatening global crop production. Agroforestry systems, which are characterized by complex multispecies interactions, are considered to provide nature-based solutions for climate change mitigation and pest and disease regulation. READ MORE

  7. 5. Under the same shade - Popular perceptions of political change and the challenges of consolidating multiparty democracy in Tanzania

    Author : Petri Ruotsalainen; Göteborgs universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; democracy transition; consolidation of democracy; popular perceptions; customary leadership; political change; elections; peace; unity; harmony; Tanzania;

    Abstract : This thesis deals with the question of how people in rural areas have perceived the change of political system from one-party to multi-party during the 1990s in Tanzania. Tanzania has to this date performed three general elections but still the ruling party CCM has a strong grip over politics in the country. READ MORE