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Viser treff 1-32 av 32

2021
1 Cramer, Emily Rebecca A.
Measuring Pre- and Post-Copulatory Sexual Selection and Their Interaction in Socially Monogamous Species with Extra-Pair Paternity. Cells 2021 ;Volum 10.(3) s. 620-
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2 Cramer, Emily Rebecca A; Garcia-del-Rey, Eduardo; Johannessen, Lars Erik; Laskemoen, Terje; Marthinsen, Gunnhild; Johnsen, Arild; Lifjeld, Jan Terje.
Longer Sperm Swim More Slowly in the Canary Islands Chiffchaff. Cells 2021
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3 Cramer, Emily Rebecca A; Grønstøl, Gaute; Maxwell, Logan; Kovach, Adrienne; Lifjeld, Jan Terje.
Sperm length divergence as a potential pre-zygotic barrier in a passerine hybrid zone. Ecology and Evolution 2021
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2019
4 Albrecht, Tomas; Opletalová, Kamila; Reif, Jiri; Janousek, Vaclav; Pialek, Lubomir; Cramer, Emily Rebecca A; Johnsen, Arild; Reifova, Radka.
Sperm divergence in a passerine contact zone: Indication of reinforcement at the gametic level. Evolution 2019 ;Volum 73.(2) s. 202-213
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5 Cramer, Emily Rebecca A; Rowe, Melissah; Eroukhmanoff, Fabrice; Lifjeld, Jan Terje; Sætre, Glenn-Peter; Johnsen, Arild.
Measuring sperm swimming performance in birds: effects of dilution, suspension medium, mechanical agitation, and sperm number. Journal of Ornithology = Journal fur Ornithologie 2019 s. 1-11
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2018
6 Sætre, Camilla Lo Cascio; Johnsen, Arild; Stensrud, Even; Cramer, Emily Rebecca A.
Sperm morphology, sperm motility and paternity success in the bluethroat (Luscinia svecica). PLOS ONE 2018 ;Volum 13.(3)
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2017
7 Cramer, Emily Rebecca A.
Songbird sperm: the unexplored side of sexual selection. Departmental seminar; 2017-03-21 - 2017-03-21
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8 Taugbøl, Annette; Mazzarella, Anna; Cramer, Emily Rebecca A; Laskemoen, Terje.
Salinity-induced phenotypic plasticity in threespine stickleback sperm activation. Biology Letters 2017 ;Volum 13.(10) s. 1-4
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9 Ålund, Murielle; Cramer, Emily Rebecca A; McFarlane, Eryn; Johnsen, Arild; Qvarnström, Anna.
Females discriminate against heterospecific sperm in a natural hybrid zone. Progress, synthesis and integration at the frontiers of speciation research; 2017-02-19 - 2017-02-24
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2016
10 Cramer, Emily Rebecca A; Stensrud, Even; Marthinsen, Gunnhild; Hogner, Silje; Johannessen, Lars Erik; Laskemoen, Terje; Eybert, Marie-Christine; Slagsvold, Tore; Lifjeld, Jan Terje; Johnsen, Arild.
Sperm performance in conspecific and heterospecific female fluid. Ecology and Evolution 2016
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11 Cramer, Emily Rebecca A; Ålund, Murielle; McFarlane, S. Eryn; Johnsen, Arild; Qvarnström, Anna.
Females discriminate against heterospecific sperm in a natural hybrid zone. Evolution 2016 ;Volum 70.(8) s. 1844-1855
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12 Eroukhmanoff, Fabrice; Rowe, Melissah; Cramer, Emily Rebecca A; Haas, Fredrik; Hermansen, Jo Skeie; Runemark, Anna; Johnsen, Arild; Sætre, Glenn-Peter.
Experimental evidence for ovarian hypofunction in sparrow hybrids. Avian Research 2016 ;Volum 7.
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2015
13 Cramer, Emily Rebecca A.
Songs, sperm, and speciation: the role of sexual selection. Departmental seminar; 2015-02-19 - 2015-02-19
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14 Cramer, Emily Rebecca A; Laskemoen, Terje; Stensrud, Even; Rowe, Melissah; Haas, Fredrik; Lifjeld, Jan Terje; Sætre, Glenn-Peter; Johnsen, Arild.
Morphology-function relationships and repeatability in the sperm of Passer sparrows. Journal of morphology 2015 ;Volum 276.(4) s. 370-377
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15 Cramer, Emily Rebecca A; Ålund, Murielle; McFarlane, S. Eryn; Johnsen, Arild; Qvarnström, Anna.
A post-copulatory pre-zygotic barrier between collared and pied flycatchers. XVth Congress of the European Society for Evolutionary Biology; 2015-08-10 - 2015-08-14
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16 Rowe, Melissah; Albrecht, Tomas; Cramer, Emily Rebecca A; Johnsen, Arild; Laskemoen, Terje; Weir, Jason T; Lifjeld, Jan Terje.
Postcopulatory sexual selection is associated with accelerated evolution of sperm morphology. Evolution 2015 ;Volum 69.(4) s. 1044-1052
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2014
17 Cramer, Emily Rebecca A.
Can sperm evolution facilitate speciation in passerine birds?. NHM Science seminar; 2014-11-04 - 2014-11-05
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18 Cramer, Emily Rebecca A.
Sperm biology in passerines: individual variation and evolutionary implications. Departmental seminar; 2014-01-08 - 2014-01-08
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19 Cramer, Emily Rebecca A; Laskemoen, Terje; Eroukhmanoff, Fabrice; Haas, Fredrik; Hermansen, Jo Skeie; Lifjeld, Jan Terje; Rowe, Melissah; Sætre, Glenn-Peter; Johnsen, Arild.
Testing a post-copulatory pre-zygotic reproductive barrier in a passerine species pair. Behavioral Ecology and Sociobiology 2014 ;Volum 68.(7) s. 1133-1144
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20 Cramer, Emily Rebecca A; Ålund, Murielle; Laskemoen, Terje; Eroukhmanoff, Fabrice; Eybert, Marie-Christine; Haas, Fredrik; Hermansen, Jo Skeie; Lifjeld, Jan Terje; Rowe, Melissah; Qvarnström, Anna; Sætre, Glenn-Peter; Johnsen, Arild.
Post-copulatory, pre-zygotic isolating barriers in passerine birds?. International Behavioral Ecology Congress; 2014-07-31 - 2014-08-05
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21 Johnsen, Arild; Cramer, Emily Rebecca A; Grydeland, Ivar.
Fugleforskerne i Heimdalen. Ekko, NRK P2 [Radio] 2014-08-20
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22 Rowe, Melissah; Albrecht, Tomas; Cramer, Emily Rebecca A; Johnsen, Arild; Laskemoen, Terje; Weir, Jason T; Lifjeld, Jan Terje.
Postcopulatory sexual selection accelerates rates of evolutionary divergence in sperm morphology.. 15th International Behavioural Ecology Congress; 2014-07-31 - 2014-08-06
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2013
23 Cramer, Emily Rebecca A.
Measuring consistency: spectrogram cross-correlation versus targeted acoustic parameters. Bioacoustics 2013 ;Volum 22.(3) s. 247-257
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24 Cramer, Emily Rebecca A.
Physically Challenging Song Traits, Male Quality, and Reproductive Success in House Wrens. PLOS ONE 2013 ;Volum 8.(3) s. -
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25 Cramer, Emily Rebecca A.
Sperm biology in passerines: individual variation and evolutionary implications. Departmental seminar; 2013-12-13 - 2013-12-13
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26 Cramer, Emily Rebecca A.
The swimmers of singers: sexual selection in birds before and after copulation. Departmental seminar; 2013-11-20 - 2013-11-20
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27 Cramer, Emily Rebecca A.
Vocal deviation and trill consistency do not affect male response to playback in house wrens. Behavioral Ecology 2013 ;Volum 24.(2) s. 412-420
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28 Cramer, Emily Rebecca A; Johnsen, Arild.
Post-mating, pre-zygotic barriers and speciation. FroSpects Behaviour and Speciation Workshop; 2013-02-06 - 2013-02-08
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29 Cramer, Emily Rebecca A; Laskemoen, Terje; Eroukhmanoff, Fabrice; Haas, Fredrik; Hermansen, Jo Skeie; Lifjeld, Jan Terje; Rowe, Melissah; Sætre, Glenn-Peter; Johnsen, Arild.
An experimental test of a potential post-copulatory pre-zygotic reproductive barrier in a passerine species pair. XIV Congress of the European Society for Evolutionary Biology; 2013-08-19 - 2013-08-24
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30 Cramer, Emily Rebecca A; Laskemoen, Terje; Eroukhmanoff, Fabrice; Haas, Fredrik; Hermansen, Jo Skeie; Lifjeld, Jan Terje; Rowe, Melissah; Sætre, Glenn-Peter; Johnsen, Arild.
Testing a post-copulatory pre-zygotic reproductive barrier in a passerine species pair. Congress of the European Society for Evolutionary Biology; 2013-08-19 - 2013-08-24
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31 Cramer, Emily Rebecca A; Laskemoen, Terje; Kleven, Oddmund; LaBarbera, Katie; Lovette, Irby J.; Lifjeld, Jan Terje.
No evidence that sperm morphology predicts paternity success in wild hous wrens. Behavioral Ecology and Sociobiology 2013 ;Volum 67.(11) s. 1845-1853
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32 Cramer, Emily Rebecca A; Laskemoen, Terje; Kleven, Oddmund; Lifjeld, Jan Terje.
Sperm length variation in House Wrens Troglodytes aedon. Journal of Ornithology = Journal fur Ornithologie 2013 ;Volum 154.(1) s. 129-138
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