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Hur biodiversitet på ekosystemnivå skiljer sig mellan olika habitat
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, The Institute of Technology.
2014 (Swedish)Independent thesis Basic level (degree of Bachelor), 10,5 credits / 16 HE creditsStudent thesisAlternative title
How biodiversity at the ecosystem level differs between different habitats (English)
Abstract [en]

Biodiversity can be described as the total variation of life forms, where diversity ranges from gene level up to the ecosystem level. The diversity can be calculated in a number of ways, and this study use one of these methods. In this study empirical food webs have been used and analyzed, where eleven characters are defined and used as parameters to calculate the Euclidean distances between food webs that describe the variation that may exist within classes of terrestrial, marine and freshwater habitats. The class who stood out and showed the greatest diversity at the ecosystem level was the marine food webs, which showed a high value of the average euclidean distance. The other networks were not as distinctive and the average of the euclidean distance in these classes was comparatively low.

Place, publisher, year, edition, pages
2014. , 20 p.
Keyword [en]
Biodiversity, ecological networks, Euclidean distance, food webs
National Category
URN: urn:nbn:se:liu:diva-108429ISRN: LITH-IFM-EX--14/2953--SEOAI: diva2:730302
Subject / course
Available from: 2014-06-27 Created: 2014-06-27 Last updated: 2014-06-30Bibliographically approved

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Kandidatrapport Amanda G(440 kB)91 downloads
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Grafström, Amanda
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Department of Physics, Chemistry and BiologyThe Institute of Technology

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