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Showing result 16 - 20 of 21 essays matching the above criteria.

  1. 16. Genetic assessment of plant material for studies of the genetic causes to female biased sex ratios in Salix viminalis L.

    University essay from SLU/Department of Plant Biology (from 140101)

    Author : Amela Kujović; [2016]
    Keywords : sex ratio; willows; dioecy; white seeds; homozygosity; inbreeding;

    Abstract : Biased sex ratios are highly common among dioecious plants. Salix viminalis is a dioecious tree or a woody shrub that has an overall female biased sex ratio. READ MORE

  3. 17. Language within a Language Scientific Concept Formation within Integrated Science and Language Learning

    University essay from Göteborgs universitet

    Author : Daniela Součková; [2015-09-25]
    Keywords : scientific vs spontaneous concept formation; school science language; everyday language; CLIL;

    Abstract : The aim was to investigate formation of specific concepts in some lessons of biology where English was the language of instruction. Vygotsky's theory of meaning and sense realised during concept formation has become the background theory together with Lemke's notion of learning science through communicating science. READ MORE

  4. 18. Dorsal visual cues in German wasp navigation

    University essay from Lunds universitet/Examensarbeten i biologi

    Author : Denis Vaduva; [2015]
    Keywords : Biology and Life Sciences;

    Abstract : The German wasp Vespula germanica is found in the Palaeartic region of the globe. Outside this area, it is highly invasive species. It has an omnivorous diet and is able to hunt other insects and scavenge for food from both natural and anthropogenic sources. READ MORE

  5. 19. How bats are affected by wind turbines

    University essay from Lunds universitet/Examensarbeten i biologi

    Author : Maja Jonholm; [2015]
    Keywords : Biology and Life Sciences;

    Abstract : In this study a wind power park of five turbines, Gummaråsen, in the south west of Sweden have been investigated to find out if bats fly in the height of the rotor blades, what species are present and the abundance of bats, at the site. The result showed that no bats was flying close to the wind power turbine, at the height of the nacelle (machine housing) and rotor blades, but bats were present closer to the ground. READ MORE

  6. 20. The potential of entomopathogenic fungal isolates as an environmentally friendly management option against Acanthoscelides obtectus

    University essay from SLU/Dept. of Plant Protection Biology

    Author : Julia Grund; Lina Hirsch; [2010]
    Keywords : Acanthoscelides obtectus; Beauveria bassiana; Metarhizium anisopliae; enthomopathogenic fungi; biological control agents; storage pests; pests in field;

    Abstract : The bean bruchid, Acanthoscelides obtectus is a major threat to bean production. In Ethiopia, where this study was performed, the damage by bruchids on stored beans has been reported to reach up to 38%. To use the isolates Beauveria bassiana and Metarhizium anisopliae in the management of A. READ MORE