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303 results for “Sex ratio”
Figure 3 from: Biedermann P (2010) Observations on sex ratio and behavior of males in Xyleborinus saxesenii Ratzeburg (Scolytinae, Coleoptera). ZooKeys 56: 253-267. https://doi.org/10.3897/zookeys.56.530
Figure 3 - Presence of males in relation to the productivity of laboratory galleries of Xyleborinus saxesenii. Box-whisker plots with median, 90%, 75%, 25%, and 10% quartiles are shown. Mann-Whitney U-test: T = 423, p < 0.001, N = 21 + 49 galleries.
Figure 5 from: Biedermann P (2010) Observations on sex ratio and behavior of males in Xyleborinus saxesenii Ratzeburg (Scolytinae, Coleoptera). ZooKeys 56: 253-267. https://doi.org/10.3897/zookeys.56.530
Figure 5 - Timing of male and female hatching, maturation, and dispersal in laboratory galleries of Xyleborinus saxesenii. The correlation of the first male and female hatching from the pupal stage and the correlation between the last date a not-fully sclerotized female was seen, and the first male dispersal event (N = 29 galleries) were determined where possible and contributed one data point per gallery to this graph. Box-whisker plots with median, 90%, 75%, 25%, and 10% quartiles are shown. Mann-Whitney U-tests: T = 1066, p < 0.001, N = 29 + 29 galleries (female vs. male hatching); T = 325.5, p = 0.053, N = 26 + 13 galleries (female maturation vs. male dispersal).
Figure 2 from: Biedermann P (2010) Observations on sex ratio and behavior of males in Xyleborinus saxesenii Ratzeburg (Scolytinae, Coleoptera). ZooKeys 56: 253-267. https://doi.org/10.3897/zookeys.56.530
Figure 2 - Occurrence of males in laboratory galleries of Xyleborinus saxesenii. The maximum number of males per gallery across the observation period is reported (N = 70 galleries). The data significantly differs from the expected Poisson distribution.
Figure 4 from: Biedermann P (2010) Observations on sex ratio and behavior of males in Xyleborinus saxesenii Ratzeburg (Scolytinae, Coleoptera). ZooKeys 56: 253-267. https://doi.org/10.3897/zookeys.56.530
Figure 4 - The number of males in relation to the number of females in laboratory galleries of Xyleborinus saxesenii. Each gallery is represented by one data point (N = 70). Linear regression (males = 0.785 + (0.0119 * females)): F = 3.824, p = 0.055, DF = 1.
Figure 1 from: Biedermann P (2010) Observations on sex ratio and behavior of males in Xyleborinus saxesenii Ratzeburg (Scolytinae, Coleoptera). ZooKeys 56: 253-267. https://doi.org/10.3897/zookeys.56.530
Figure 1 - Parts of a brood chamber of Xyleborinus saxesenii in artificial medium. 1st and 2nd/3rd instar larvae, several pupae, two immature females and a male are visible. The male is mounting an immature female.
Figure 7 from: Grabowski RC, Simões SM, Castilho AL (2014) Population structure, sex ratio and growth of the seabob shrimp Xiphopenaeus kroyeri (Decapoda, Penaeidae) from coastal waters of southern Brazil. In: Wehrtmann IS, Bauer RT (Eds) Proceedings of the Summer Meeting of the Crustacean Society and the Latin American Association of Carcinology, Costa Rica, July 2013. ZooKeys 457: 253-269. https://doi.org/10.3897/zookeys.457.6682
Figure 7 - Xiphopenaeus kroyeri. Mean growth curve estimated for females collected in an area adjacent to Babitonga Bay, from July 2010 through June 2011, based on the von Bertalanffy growth model. Outer lines: 95% prediction interval.
Figure 6 from: Grabowski RC, Simões SM, Castilho AL (2014) Population structure, sex ratio and growth of the seabob shrimp Xiphopenaeus kroyeri (Decapoda, Penaeidae) from coastal waters of southern Brazil. In: Wehrtmann IS, Bauer RT (Eds) Proceedings of the Summer Meeting of the Crustacean Society and the Latin American Association of Carcinology, Costa Rica, July 2013. ZooKeys 457: 253-269. https://doi.org/10.3897/zookeys.457.6682
Figure 6 - Xiphopenaeus kroyeri. Mean growth curve estimated for males collected in an area adjacent to Babitonga Bay, from July 2010 through June 2011, based on the von Bertalanffy growth model. Outer lines: 95% prediction interval.
Figure 4 from: Grabowski RC, Simões SM, Castilho AL (2014) Population structure, sex ratio and growth of the seabob shrimp Xiphopenaeus kroyeri (Decapoda, Penaeidae) from coastal waters of southern Brazil. In: Wehrtmann IS, Bauer RT (Eds) Proceedings of the Summer Meeting of the Crustacean Society and the Latin American Association of Carcinology, Costa Rica, July 2013. ZooKeys 457: 253-269. https://doi.org/10.3897/zookeys.457.6682
Figure 4 - Xiphopenaeus kroyeri. Selected cohorts for growth analysis and number of males collected each month from July 2010 through June 2011 in an area adjacent to Babitonga Bay, southern Brazil.
Figure 5 from: Grabowski RC, Simões SM, Castilho AL (2014) Population structure, sex ratio and growth of the seabob shrimp Xiphopenaeus kroyeri (Decapoda, Penaeidae) from coastal waters of southern Brazil. In: Wehrtmann IS, Bauer RT (Eds) Proceedings of the Summer Meeting of the Crustacean Society and the Latin American Association of Carcinology, Costa Rica, July 2013. ZooKeys 457: 253-269. https://doi.org/10.3897/zookeys.457.6682
Figure 5 - Xiphopenaeus kroyeri. Selected cohorts for growth analysis and number of females collected each month from July 2010 through June 2011 in an area adjacent to Babitonga Bay, southern Brazil.
Figure 3 from: Grabowski RC, Simões SM, Castilho AL (2014) Population structure, sex ratio and growth of the seabob shrimp Xiphopenaeus kroyeri (Decapoda, Penaeidae) from coastal waters of southern Brazil. In: Wehrtmann IS, Bauer RT (Eds) Proceedings of the Summer Meeting of the Crustacean Society and the Latin American Association of Carcinology, Costa Rica, July 2013. ZooKeys 457: 253-269. https://doi.org/10.3897/zookeys.457.6682
Figure 3 - Xiphopenaeus kroyeri. Monthly sex ratio (estimate ± standard error) of adults collected from July 2010 through June 2011 in an area adjacent to Babitonga Bay, southern Brazil. Black circles indicate significant deviation from a 1:1 sex ratio (Binomial test, p < 0.05).
Figure 1 from: Grabowski RC, Simões SM, Castilho AL (2014) Population structure, sex ratio and growth of the seabob shrimp Xiphopenaeus kroyeri (Decapoda, Penaeidae) from coastal waters of southern Brazil. In: Wehrtmann IS, Bauer RT (Eds) Proceedings of the Summer Meeting of the Crustacean Society and the Latin American Association of Carcinology, Costa Rica, July 2013. ZooKeys 457: 253-269. https://doi.org/10.3897/zookeys.457.6682
Figure 1 - Map of the study area, Babitonga Bay, southern Brazil (Santa Catarina state), indicating locations and depths of the sampling sites.
Figure 2 from: Grabowski RC, Simões SM, Castilho AL (2014) Population structure, sex ratio and growth of the seabob shrimp Xiphopenaeus kroyeri (Decapoda, Penaeidae) from coastal waters of southern Brazil. In: Wehrtmann IS, Bauer RT (Eds) Proceedings of the Summer Meeting of the Crustacean Society and the Latin American Association of Carcinology, Costa Rica, July 2013. ZooKeys 457: 253-269. https://doi.org/10.3897/zookeys.457.6682
Figure 2 - Xiphopenaeus kroyeri. Distribution of the percentage of juveniles and adults by size classes (CL, mm) observed for individuals collected from July 2010 through June 2011 in an area adjacent to Babitonga Bay, southern Brazil.
Insularity determines nestling sex ratio variation in Egyptian vulture populations
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Data from: Genetics and genomics of an unusual selfish sex ratio distortion in an insect
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Data from: Persistence of an extreme male-biased adult sex ratio in a natural population of polyandrous bird
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Data from: Comparative analyses of sex-ratio variation in dioecious flowering plants
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Data from: Sex ratio and density affect sexual selection in a sex-role reversed fish
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Data from: Population structure leads to male-biased population sex ratios under environmental sex determination
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Data from: Crowd control: sex ratio affects sexually selected cuticular hydrocarbons in male Drosophila serrata
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Data from: What is behind the variation in mate quality dependent sex ratio adjustment? – A meta-analysis
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