Search for dissertations about: "SPECIES CONCEPT"
Showing result 1 - 5 of 161 swedish dissertations containing the words SPECIES CONCEPT.
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1. Integrative taxonomy of birds : Studies into the nature, origin and delimitation of species
Abstract : Species are the basic currency in biodiversity studies but what constitutes a species has long been controversial. A major breakthough was the insight that most systematists agree that species are segments of population lineages, and that multiple lines of evidence should be employed and integrated, a procedure called integrative taxonomy. READ MORE
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2. The Concepts of Health, Well-being and Welfare as Applied to Animals : A Philosophical Analysis of the Concepts with the Regard to the Differences Between Animals
Abstract : This thesis is an analysis of the use and definition of the concepts health, well-being and welfare within the field called “the science of animal health and welfare”. The materials used are a literature survey of the field, qualitative interviews with Swedish veterinary surgeons and a study of the concepts in legislation concerning animals in England, Germany and Sweden. READ MORE
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3. The Big Bad EU? Species Protection and European Federalism : A Case Study of Wolf Conservation and Contestation in Sweden
Abstract : This dissertation examines how eco-knowledge intersects with the changes to EU legal cultures and practices known as eurolegalism. This conjunction has created a mechanism for the extension of EU law in the Member States even in the face of a weakened EU. READ MORE
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4. Interaction strength and keystone species in model food webs
Abstract : Ecological communities are often exposed to different kind of disturbances of varied magnitude. The response to disturbances can be affected by, among other factors, the strength of interactions between species within the community. READ MORE
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5. Approaches to Species Delineation in Anamorphic (mitosporic) Fungi : A Study on Two Extreme Cases
Abstract : Since the beginning of mycology, studies of species concept in fungi have been mainly based on morphology, partially due to the history of mycology as part of botany. Current advances in biochemical and molecular research have provided mycologists with powerful tools that can be used for delineation of fungal taxa. READ MORE