Essays about: "Plant ecology"

Showing result 1 - 5 of 163 essays containing the words Plant ecology.

  1. 1. Bumblebee resource dynamics : a review of foraging and nesting in the agricultural landscape

    University essay from SLU/Dept. of Ecology

    Author : Anna Douhan Sundahl; [2020]
    Keywords : bumblebees; bumblebee population dynamics; bumblebee drivers; flower strips; competition with honeybees; foraging; nesting; hibernation;

    Abstract : 90 % of all plants on earth either benefits or entirely depends on pollination. There are pollinators among families of bees (Apidea), butterflies (Lepidoptera) and birds (Aves). Bees of genus Bombus spp., bumblebees, are especially important and provide pollination service for 80 % of the crops of Europe and many wild plant species. READ MORE

  2. 2. Effects of nitrogen quality and quantity on weed-crop competition : a greenhouse experiment with Avena sativa and Avena fatua

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Lukas Hallberg; [2019]
    Keywords : weed-crop competition; resource pool diversity; soil microbes; weed community;

    Abstract : The intensification of agricultural activities has provided unprecedented increases in crop production. In the light of this development concerns have been raised about its negative environmental impact. High-input farm management has further reduced the weed diversity and shaped weed communities to consist of a few highly competitive weed species. READ MORE

  3. 3. Plant-plant communication - possible mechanisms and benefits

    University essay from SLU/Dept. of Ecology

    Author : Maria Hedsén; [2019]
    Keywords : plant-plant communication; plant interactions by VOC; plant interactions by sound; photomorphogenesis; thigomorphogenesis; bioacoustics;

    Abstract : Plants interact with their environment in many ways. They can emit and receive volatile organic compounds (VOC) and sound. They can reflect specific wavelengths of light and detect these light signals, reflected by other plants. They can also feel when they are touched and distinguish different types of touch. READ MORE

  4. 4. The Journey of Resources : Archaeobotanical analysis of late Iron Age and medieval Sigtuna, Sweden

    University essay from Uppsala universitet/Institutionen för arkeologi och antik historia

    Author : Siri Pettersson; [2019]
    Keywords : agricultural history; archaeobotany; archaeology; continuity; ecology; grassland ecology; historical ecology; history; Iron Age; landscape management; land use; land use tradition; medieval period; middle ages; niche construction; paleoecology; plant ecology; Professorn; resource ecology; Sigtuna; traditional landscape management; Carex; Cyperaceae;

    Abstract : Traditional agriculture has played an important role in shaping the landscape for thousands of years. Agriculture and interactions between humans and their surroundings have changed since the beginning of historic time in Sweden, approximately 1000 years ago. READ MORE

  5. 5. Plant functional diversity across a spatial climate gradient in Sweden

    University essay from SLU/Dept. of Ecology

    Author : Nina Lončarević; [2019]
    Keywords : landscape ecology; plant functional ecology;

    Abstract : Introduction. Climate is a well-known and well-studied abiotic driver of the natural world working through e.g. physiological alterations in species, changes in species’ ranges and growing season, reduction in growth or causing mortality. READ MORE