Search for dissertations about: "multitrophic"

Found 2 swedish dissertations containing the word multitrophic.

  2. 1. The spatial and temporal dynamics of plant-animal interactions in the forest herb Actaea spicata

    Author : Hugo von Zeipel; Johan Ehrlén; Ove Eriksson; Saskya van Nouhuys; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Eupithecia immundata; parasitoid; rodent; seed predation; dispersal; recruitment; multitrophic; metapopulation; trophic cascades; community complexity; Biology; Biologi; Plant Ecology; växtekologi;

    Abstract : Landscape effects on species performance currently receives much attention. Habitat loss and fragmentation are considered major threats to species diversity. Deciduous forests in southern Sweden are previous wooded pastures that have become species-rich communities appearing as islands in agricultural landscapes, varying in species composition. READ MORE

  4. 2. Odours attracting Medetera (Diptera) predators to spruce bark beetles in a multitrophic system

    Author : Maria Sousa; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : Tree-killing bark beetles cause great economic and ecological damage worldwide. Several long-legged fly species of the genus Medetera are natural enemies of tree-killing bark beetles and are of interest as potential biological control agents. READ MORE