scholarly journals Long lasting breeding performance differences between wild-born and released females in a reinforced North African Houbara bustard (Chlamydotis undulata undulata) population: a matter of release strategy

2018 ◽  
Vol 28 (3) ◽  
pp. 553-570 ◽  
Author(s):  
Léo Bacon ◽  
Alexandre Robert ◽  
Yves Hingrat
2019 ◽  
Vol 15 (3) ◽  
pp. 20180889 ◽  
Author(s):  
Pauline Vuarin ◽  
Yves Hingrat ◽  
Loïc Lesobre ◽  
Michel Saint Jalme ◽  
Frédéric Lacroix ◽  
...  

Ejaculate attributes are important factors driving the probability of fertilizing eggs. When females mate with several males, competition between sperm to fertilize eggs should accentuate selection on ejaculate attributes. We tested this hypothesis in the North African houbara bustard ( Chlamydotis undulata undulata ) by comparing the strength of selection acting on two ejaculate attributes when sperm from single males or sperm from different males were used for insemination. In agreement with the prediction, we found that selection on ejaculate attributes was stronger when sperm of different males competed for egg fertilization. These findings provide the first direct comparison of the strength of selection acting on ejaculate attributes under competitive and non-competitive fertilizations, confirming that sperm competition is a major selective force driving the evolution of ejaculate characteristics.


2005 ◽  
Vol 8 (2) ◽  
pp. 143-152 ◽  
Author(s):  
J. Le Cuziat ◽  
F. Lacroix ◽  
P. Roche ◽  
E. Vidal ◽  
F. Médail ◽  
...  

Author(s):  
Guillaume Le Loc’h ◽  
Mam-Noury Amadou Souley ◽  
Stéphane Bertagnoli ◽  
Mathilde C. Paul

2012 ◽  
Vol 82 ◽  
pp. 53-59 ◽  
Author(s):  
K. Bourass ◽  
J.-F. Léger ◽  
A. Zaime ◽  
A. Qninba ◽  
H. Rguibi ◽  
...  

1999 ◽  
Vol 249 (4) ◽  
pp. 455-461
Author(s):  
El Hassan El Mouden ◽  
Mohammed Znari ◽  
Richard P. Brown

2019 ◽  
Vol 62 (7) ◽  
pp. 2400-2410
Author(s):  
Laiene Olabarrieta-Landa ◽  
Itziar Benito-Sánchez ◽  
Montserrat Alegret ◽  
Anna Gailhajanet ◽  
Esther Landa Torre ◽  
...  

Purpose The aim of this study was to compare Basque and Catalan bilinguals' performance on the letter verbal fluency test and determine whether significant differences are present depending on the letters used and the language of administration. Method The sample consisted of 87 Spanish monolinguals, 139 Basque bilinguals, and 130 Catalan bilinguals from Spain. Participants completed the letter verbal fluency test using the letters F, A, S, M, R, P, and E. Results Bilinguals scored higher on the letter verbal fluency test when they were tested in Spanish than in Basque or Catalan. No performance differences were found according to native language or dialects within Basque participants. Catalans with Spanish as their native language scored lower on the letter F compared to those who grew up speaking Catalan and Spanish. The suggested letters to use with Basque speakers are A, E, and B; the suggested letters to use with Catalan speakers are P, F, and M; and the suggested letters to use with Spanish speakers are M, R, and P. Conclusion Selecting appropriate stimuli depending on the language of testing is the first crucial step to assess verbal fluency and thus possible frontal lobe functioning impairment.


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