Hagen SB - Search Results

1

Autumn coloration as a signal of tree condition.

Hagen SB, Debeausse S, Yoccoz NG, Folstad I. Hagen SB, et al. Proc Biol Sci. 2004 May 7;271 Suppl 4(Suppl 4):S184-5. doi: 10.1098/rsbl.2003.0126. Proc Biol Sci. 2004. PMID: 15252978 Free PMC article.

2

Phenology and abundance in relation to climatic variation in a sub-arctic insect herbivore-mountain birch system.

Mjaaseth RR, Hagen SB, Yoccoz NG, Ims RA. Mjaaseth RR, et al. Among authors: hagen sb. Oecologia. 2005 Aug;145(1):53-65. doi: 10.1007/s00442-005-0089-1. Epub 2005 Jul 8. Oecologia. 2005. PMID: 16003503

3

Anisotropic patterned population synchrony in climatic gradients indicates nonlinear climatic forcing.

Hagen SB, Jepsen JU, Yoccoz NG, Ims RA. Hagen SB, et al. Proc Biol Sci. 2008 Jul 7;275(1642):1509-15. doi: 10.1098/rspb.2008.0122. Proc Biol Sci. 2008. PMID: 18381259 Free PMC article.

4

Climate change and outbreaks of the geometrids Operophtera brumata and Epirrita autumnata in subarctic birch forest: evidence of a recent outbreak range expansion.

Jepsen JU, Hagen SB, Ims RA, Yoccoz NG. Jepsen JU, et al. Among authors: hagen sb. J Anim Ecol. 2008 Mar;77(2):257-64. doi: 10.1111/j.1365-2656.2007.01339.x. Epub 2007 Dec 5. J Anim Ecol. 2008. PMID: 18070041

5

Are population outbreaks in sub-arctic geometrids terminated by larval parasitoids?

Schott T, Hagen SB, Ims RA, Yoccoz NG. Schott T, et al. Among authors: hagen sb. J Anim Ecol. 2010 May;79(3):701-8. doi: 10.1111/j.1365-2656.2010.01673.x. Epub 2010 Mar 5. J Anim Ecol. 2010. PMID: 20233259

6

Phase-dependent outbreak dynamics of geometrid moth linked to host plant phenology.

Jepsen JU, Hagen SB, Karlsen SR, Ims RA. Jepsen JU, et al. Among authors: hagen sb. Proc Biol Sci. 2009 Dec 7;276(1676):4119-28. doi: 10.1098/rspb.2009.1148. Epub 2009 Sep 9. Proc Biol Sci. 2009. PMID: 19740876 Free PMC article.

7

Unravelling the evolution of autumn colours: an interdisciplinary approach.

Archetti M, Döring TF, Hagen SB, Hughes NM, Leather SR, Lee DW, Lev-Yadun S, Manetas Y, Ougham HJ, Schaberg PG, Thomas H. Archetti M, et al. Among authors: hagen sb. Trends Ecol Evol. 2009 Mar;24(3):166-73. doi: 10.1016/j.tree.2008.10.006. Epub 2009 Jan 27. Trends Ecol Evol. 2009. PMID: 19178979 Review.

8

Evidence of rapid change in genetic structure and diversity during range expansion in a recovering large terrestrial carnivore.

Hagen SB, Kopatz A, Aspi J, Kojola I, Eiken HG. Hagen SB, et al. Proc Biol Sci. 2015 May 22;282(1807):20150092. doi: 10.1098/rspb.2015.0092. Proc Biol Sci. 2015. PMID: 25904665 Free PMC article.

9

No impact of pupal predation on the altitudinal distribution of autumnal moth and winter moth (Lepidoptera: Geometridae) in sub-arctic birch forest.

Hansen NM, Ims RA, Hagen SB. Hansen NM, et al. Among authors: hagen sb. Environ Entomol. 2009 Jun;38(3):627-32. doi: 10.1603/022.038.0313. Environ Entomol. 2009. PMID: 19508770

10

Sea ice reduction drives genetic differentiation among Barents Sea polar bears.

Maduna SN, Aars J, Fløystad I, Klütsch CFC, Zeyl Fiskebeck EML, Wiig Ø, Ehrich D, Andersen M, Bachmann L, Derocher AE, Nyman T, Eiken HG, Hagen SB. Maduna SN, et al. Among authors: hagen sb. Proc Biol Sci. 2021 Sep 8;288(1958):20211741. doi: 10.1098/rspb.2021.1741. Epub 2021 Sep 8. Proc Biol Sci. 2021. PMID: 34493082 Free PMC article.

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