<p>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</p><p>restored reference areas two years after restoration. The reference areas were one stretch downstream and one upstream stretches of the restored</p><p>stream. The benthic invertebrates were collected using standardized kick sampling. In order to classify the communities and estimate any</p><p>differences, three different indices were exercised. In addition rank-abundance curves and checklists were used to get a picture of species</p><p>composition. The only index that showed a difference between areas was the Berger-Parker diversity index showing that the downstream reference</p><p>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</p><p>a time since the restoration. To allow for the bottom substrate to develop and stabilize so that species can re-colonize the area.</p>
| Identifer | oai:union.ndltd.org:UPSALLA/oai:DiVA.org:liu-57353 |
| Date | January 2010 |
| Creators | Andersson, Klas |
| Publisher | Linköping University, Linköping University, Department of Physics, Chemistry and Biology |
| Source Sets | DiVA Archive at Upsalla University |
| Language | Swedish |
| Detected Language | English |
| Type | Student thesis, text |
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