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Variation in Life H...
Variation in Life History Traits of Gentiana nivalis (Gentianaceae) in Alpine and Sub-alpine Habitats in the Norwegian Mountains – Implications for Biodiversity in relation to Environmental Change
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- Almered Olsson, Gunilla, 1951 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för globala studier, humanekologi,School of Global Studies, Human Ecology
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Maad, Johanne (author)
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- Molau, Ulf, 1951 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences
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Myklebost, Heidi (author)
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(creator_code:org_t)
- Finnish Zoological and Botanical Publishing Board, 2015
- 2015
- English.
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In: Annales Botanici Fennici. - : Finnish Zoological and Botanical Publishing Board. - 0003-3847 .- 1797-2442. ; 52:3-4, s. 149-159
- Related links:
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https://gup.ub.gu.se...
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https://doi.org/10.5...
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Abstract
Subject headings
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- The alpine gentian, Gentiana nivalis, is an obligate annual. Because of its complete population turnover every year, it is likely to be more responsive to environmental shifts than are perennials, and also likely to undergo more rapid genetic change in response to selection pressure. The detected morphological differentiation between habitats was related to different proportions of spring- and autumn-germinating individuals with a larger proportion of winter annuals in the subalpine habitats. The spring-germinating annuals that have shorter time for development and have a shorter stature can still develop at the alpine sites where competition is weaker. The subalpine habitats are all semi-natural, shaped by livestock grazing and human activities related to summer farming. Declining human impact is leading to successional changes in the mountain landscape. The future of G. nivalis in the light of current trends in landscape development and climate change is discussed.
Subject headings
- SAMHÄLLSVETENSKAP -- Annan samhällsvetenskap (hsv//swe)
- SOCIAL SCIENCES -- Other Social Sciences (hsv//eng)
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Keyword
- alpine grasslands
- biodiversity
- livestock grazing
- land-use change
- climate change
Publication and Content Type
- ref (subject category)
- art (subject category)
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