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Två år efter restaurering:Vad har förändrats i bottenfaunan?
Linköping University, Department of Physics, Chemistry and Biology.
2010 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

The aim of the study was to examine if the benthos in a restored portion of a small lowland stream south of Linkoping differed from two non restored reference areas two years after restoration. The reference areas were one stretch downstream and one upstream stretches of the restored stream. The benthic invertebrates were collected using standardized kick sampling. In order to classify the communities and estimate any differences, three different indices were exercised. In addition rank-abundance curves and checklists were used to get a picture of species composition. The only index that showed a difference between areas was the Berger-Parker diversity index showing that the downstream reference stretch differed from the other two. None of the analyses showed that the restored area was different from the other two, probably due to too short a time since the restoration. To allow for the bottom substrate to develop and stabilize so that species can re-colonize the area.

Place, publisher, year, edition, pages
2010. , 34 p.
Keyword [en]
benthic composition, benthic fauna, Tinnerbäcken, restoration effects
National Category
Natural Sciences
URN: urn:nbn:se:liu:diva-57353ISRN: LITH-IFM-G-EX--10/2322—SEOAI: diva2:325197
2010-05-31, BL32, Universitetet Linköping, Linköping, 11:10 (Swedish)
Life Earth Science
Available from: 2010-06-18 Created: 2010-06-17 Last updated: 2011-05-18Bibliographically approved

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Andersson, Klas
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Department of Physics, Chemistry and Biology
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