Robertson RJ - Search Results

1

When Older Males Sire More Offspring-Increased Attractiveness or Higher Fertility?

Lifjeld JT, Kleven O, Fossøy F, Jacobsen F, Laskemoen T, Rudolfsen G, Robertson RJ. Lifjeld JT, et al. Among authors: robertson rj. Behav Ecol Sociobiol. 2022;76(5):61. doi: 10.1007/s00265-022-03170-0. Epub 2022 Apr 23. Behav Ecol Sociobiol. 2022. PMID: 35535127 Free PMC article.

2

Extrapair mating between relatives in the barn swallow: a role for kin selection?

Kleven O, Jacobsen F, Robertson RJ, Lifjeld JT. Kleven O, et al. Among authors: robertson rj. Biol Lett. 2005 Dec 22;1(4):389-92. doi: 10.1098/rsbl.2005.0376. Biol Lett. 2005. PMID: 17148214 Free PMC article.

3

Intraspecific variation in sperm length is negatively related to sperm competition in passerine birds.

Kleven O, Laskemoen T, Fossøy F, Robertson RJ, Lifjeld JT. Kleven O, et al. Among authors: robertson rj. Evolution. 2008 Feb;62(2):494-9. doi: 10.1111/j.1558-5646.2007.00287.x. Epub 2007 Dec 7. Evolution. 2008. PMID: 18070085

4

Comparative evidence for the evolution of sperm swimming speed by sperm competition and female sperm storage duration in passerine birds.

Kleven O, Fossøy F, Laskemoen T, Robertson RJ, Rudolfsen G, Lifjeld JT. Kleven O, et al. Among authors: robertson rj. Evolution. 2009 Sep;63(9):2466-73. doi: 10.1111/j.1558-5646.2009.00725.x. Epub 2009 Apr 30. Evolution. 2009. PMID: 19453726

5

Sperm length variation as a predictor of extrapair paternity in passerine birds.

Lifjeld JT, Laskemoen T, Kleven O, Albrecht T, Robertson RJ. Lifjeld JT, et al. Among authors: robertson rj. PLoS One. 2010 Oct 18;5(10):e13456. doi: 10.1371/journal.pone.0013456. PLoS One. 2010. PMID: 20976147 Free PMC article.

6

Age before beauty? Relationships between fertilization success and age-dependent ornaments in barn swallows.

Lifjeld JT, Kleven O, Jacobsen F, McGraw KJ, Safran RJ, Robertson RJ. Lifjeld JT, et al. Among authors: robertson rj. Behav Ecol Sociobiol. 2011 Sep;65(9):1687-1697. doi: 10.1007/s00265-011-1176-4. Epub 2011 Mar 22. Behav Ecol Sociobiol. 2011. PMID: 21949464 Free PMC article.

7

Factors affecting germline mutations in a hypervariable microsatellite: a comparative analysis of six species of swallows (Aves: Hirundinidae).

Anmarkrud JA, Kleven O, Augustin J, Bentz KH, Blomqvist D, Fernie KJ, Magrath MJ, Pärn H, Quinn JS, Robertson RJ, Szép T, Tarof S, Wagner RH, Lifjeld JT. Anmarkrud JA, et al. Among authors: robertson rj. Mutat Res. 2011 Mar 15;708(1-2):37-43. doi: 10.1016/j.mrfmmm.2011.01.006. Epub 2011 Feb 1. Mutat Res. 2011. PMID: 21291898

8

Sperm competition in tropical versus temperate zone birds.

Albrecht T, Kleven O, Kreisinger J, Laskemoen T, Omotoriogun TC, Ottosson U, Reif J, Sedláček O, Hořák D, Robertson RJ, Lifjeld JT. Albrecht T, et al. Among authors: robertson rj. Proc Biol Sci. 2012 Dec 12;280(1752):20122434. doi: 10.1098/rspb.2012.2434. Print 2013 Feb 7. Proc Biol Sci. 2012. PMID: 23235706 Free PMC article.

9

Cross-cultural adaptation and concurrent validity of the children's OMNI scale of perceived exertion for Arm-Crank activity in Spina Bifida.

Bertapelli F, Robertson RJ, Leonardi-Figueiredo MM, Davoli GBQ, Cruz KLT, Mattiello-Sverzut AC. Bertapelli F, et al. Among authors: robertson rj. Disabil Rehabil. 2023 Sep 14:1-7. doi: 10.1080/09638288.2023.2252342. Online ahead of print. Disabil Rehabil. 2023. PMID: 37706498

10

Reliability and Validity of a Flume-Based Maximal Oxygen Uptake Swimming Test.

Nagle EF, Nagai T, Beethe A, Lovalekar M, Tuite MS, Beckner ME, Zera JN, Sanders ME, Connaboy C, Abt JP, Beals K, Lephart SM, Robertson RJ, Nindl BC. Nagle EF, et al. Among authors: robertson rj. Sports (Basel). 2023 Feb 8;11(2):42. doi: 10.3390/sports11020042. Sports (Basel). 2023. PMID: 36828327 Free PMC article.

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