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Populationsutveckling för kärrnycklar (Anacamptis palustris) i två gotländska våtmarker
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Biology Education Centre.
2015 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

The aim of this study was to investigate trends in population size and dynamics in two populations of the rare orchid Anacamptis palustris on Gotland. The study also examined if there were any correlations between the climate factors, temperature and precipitation, and the amount of flowering plants of A. palustris on Gotland. I found that low temperature during 16 April- 15 June and abundant precipitation in June results in a higher number of flowering plants the same year. Previous studies shows that A. palustris commutes considerably in number of flowering plants between years. Because of the variety in flowering frequency and lack of regular inventories, it is hard to interpret any trends in population growth. Therefore it requires annual inventories in the future to determine whether the populations are decreasing or increasing. 

Place, publisher, year, edition, pages
2015. , 20 p.
Keyword [sv]
Kärrnycklar Anacamptis palustris våtmark Gotland orkidéer
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:uu:diva-270803OAI: oai:DiVA.org:uu-270803DiVA: diva2:890591
Educational program
Ecology Programme (HGO)
Supervisors
Examiners
Available from: 2016-04-27 Created: 2016-01-04 Last updated: 2016-04-29Bibliographically approved

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