Essays about: "spiders"

Showing result 21 - 25 of 26 essays containing the word spiders.

1. 21. Multiscale mechanics and physics of nature’s dry adhesion systems

   University essay from Mekanik; Tekniska högskolan

   Author : Nils Karlsson; [2012]
   Keywords : dry adhesion; detachment; thermal fluctuations; interaction potential; FEM;

   Abstract : Dry adhesion systems adhere via physical bonds without any significant contribution from a liquid medium. In nature, these systems are found among the footpads of spiders, lizards and many other small animals, with high adhesion force, low detachment force and elfcleaning properties. READ MORE

3. 22. Evaluating six crop mixes used for game fields in southwest Sweden : biomass production, fallow deer preference and species diversity

   University essay from SLU/Dept. of Ecology

   Author : Elin Grönberg; [2011]
   Keywords : arthropods ; biomass production; biomass consumption; crop mix; Dama dama; fallow deer; game field; species diversity index;

   Abstract : Game fields are one way to divert animals away from sensitive areas, create shelter and forage, and also to increase the biological diversity. In this study I investigated how the plant composition in six different crop mixes used for game fields affected the biomass production, biomass consumption and biological diversity at the Koberg estate in southwestern Sweden. READ MORE

4. 23. Disgust and fear in detection performance and response biases to threat pictures

   University essay from Psykologiska institutionen

   Author : Moa Johansson; [2007]
   Keywords : Disgust Fear Detection Response bias;

   Abstract : Cognitive theories claim that phobias involve unconscious processing and that anxious individuals search the environment for threatening stimuli and therefore detect them more rapidly. However, evidence for this is mixed and suggests that anxious individuals do not detect threat more accurately but are more liberal to report that they detected threat even if there was no actual threat (response bias). READ MORE

5. 24. There and Back Again : the Hobbit Bilbo as a Hero

   University essay from Högskolan för lärande och kommunikation

   Author : Ann-Louise Lundqvist; [2007]
   Keywords : Bilbo; Tolkien; archetype theory; psychological analysis;

   Abstract : The purpose of this essay is to analyze Tolkien’s work The Hobbit since this has not been done to the same extent as the Lord of the Rings. The aim of this essay is see if the hobbit Bilbo is a hero and if so in what way. READ MORE

6. 25. Predators of Plutella xylostella in Nicaragua : feeding capacity and potential role in biological control

   University essay from SLU/Dept. of Ecology

   Author : Linda Larsson; [2007]
   Keywords : Plutella xylostella; natural enemies; predators; biological control; Nicaragua; larval consumption; feeding capacity; cabbage; Lycosidae; Salticidae; Nabidae; Staphylinidae; Tetragnathidae; Gelastocoridae; Reduviidae; insects; spiders;

   Abstract : The diamondback moth, Plutella xylostella (L.) (Lepidoptera: Plutellidae), is one of the most destructive insect pests of Brassica crops in both temperate and tropical regions over the world. The insect is considered as a key pest of crucifers in Central America. READ MORE