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Knut Rydgren
Sogn og Fjordane University College
VegetationEcologyPopulationBotanyBiology
63Publications
23H-index
1,400Citations
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Publications 49
Newest
#1Inger AuestadH-Index: 7
#2Knut RydgrenH-Index: 23
Last. Rune HalvorsenH-Index: 6
view all 3 authors...
Abstract The globally increasing pace of ecosystem degradation makes it necessary to develop efficient restoration programmes. A reliable tool for estimation of the remaining time to recovery is an important component of such a programme. In this study, we explore the performance of the novel, ordination regression-based approach (ORBA) for prediction of time to recovery. We applied ORBA to a dataset of plant species composition data from ten spoil heap sites in S Norway, resulting from hydropow...
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#1Knut RydgrenH-Index: 23
#2Inger AuestadH-Index: 7
Last. Jan Sulavik (AMNH: American Museum of Natural History)H-Index: 1
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#1Jan H. Vikane (University of Bergen)H-Index: 2
#2Knut RydgrenH-Index: 23
Last. Vigdis Vandvik (University of Bergen)H-Index: 24
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Plant species of semi-natural grasslands are threatened by several simultaneous global change drivers, most notably land-use and climate change. In this study, we explore spatiotemporal variation and changes in deterministic (λ) and stochastic population growth rates (λs), and the underlying vital rates of eight populations of Arnica montana at the species’ north-western range margin in Norway. We assess to what extent variation in the demographic rates could be attributed to environmental corre...
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#1Julien Martin Marie Vollering (AMNH: American Museum of Natural History)
#2Rune Halvorsen (AMNH: American Museum of Natural History)H-Index: 20
Last. Knut RydgrenH-Index: 23
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#1Knut RydgrenH-Index: 3
#2Rune Halvorsen (AMNH: American Museum of Natural History)H-Index: 20
Last. Jan Sulavik (AMNH: American Museum of Natural History)H-Index: 1
view all 7 authors...
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#1Joachim Töpper (University of Bergen)H-Index: 6
#2Eric Meineri (University of Bergen)H-Index: 6
Last. Vigdis Vandvik (University of Bergen)H-Index: 24
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Author's accepted version (post-print). This is the peer reviewed version of the following article: Topper, J. P., Meineri, E., Olsen, S. L., Rydgren, K., Skarpaas, O., & Vandvik, V. (2018). The devil is in the detail: Nonadditive and context-dependent plant population responses to increasing temperature and precipitation. Global Change Biology, 24(10), 4657-4666, which has been published in final form at https://doi.org/10.1111/gcb.14336. This article may be used for non-commercial purposes in ...
5 CitationsSource
#1Inger AuestadH-Index: 7
#2Yngve NilsenH-Index: 1
Last. Knut RydgrenH-Index: 23
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Hydropower is expanding globally and is regarded a key measure for mitigating climate change, but it also results in major environmental degradation, both at local scale and more widely. We can learn lessons about how restoration can be used to alleviate these problems from failures and successes in countries with a long history of hydropower development, such as Norway. Here, hydropower projects grew larger over time, and in the 1960s, the emerging environmentalist movement started to challenge...
1 CitationsSource
#1Rafael Fonseca Benevenuto (NMBU: Norwegian University of Life Sciences)H-Index: 1
#2Stein Joar HeglandH-Index: 15
Last. Tarald SeldalH-Index: 3
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5 CitationsSource
#1Knut RydgrenH-Index: 23
#2Rune HalvorsenH-Index: 20
Last. Jan SulavikH-Index: 1
view all 7 authors...
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#1Marte Synnøve Lilleeng (NMBU: Norwegian University of Life Sciences)H-Index: 3
#2Knut RydgrenH-Index: 23
Last. Stein Joar HeglandH-Index: 15
view all 5 authors...
Changes in large herbivore distribution and abundance can have effects that potentially cascade throughout the trophic structure of an ecosystem. Little is known about these indirect trophic effects of ungulate herbivory, so the aim of this study was to investigate the role of red deer (Cervus elaphus) in determining the distribution and diversity of ground-dwelling beetles. We collected > 9000 beetles belonging to 149 species in a Western Norway boreal forest by pitfall trapping inside and outs...
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