sex ratio
Avian Sex Ratio and Sex-Specific Traits in Offspring = Razón de sexos y atributos sexuales de la descendencia en aves
... and sex ratios with several of these potential confounding variables controlled for (see description of variables in Appendix ...hatching sex ratio and SSD. In contrast, fledging sex ...
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Sex ratio in two species of Pegoscapus wasps (Hymenoptera: Agaonidae) that develop in figs: can wasps do mathematics, or play sex ratio games?
... adjust sex ratio according to clutch size by laying more male eggs when their clutch is ...mean sex ratio per ...pooled sex ratio for the clutches derived from one or two ...
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Sex ratio and breeding of white lipped peccaries Tayassu pecari (Artiodactyla: Tayassuidae) in a Costa Rican rain forest
... adult sex ratio of white-lipped peccaries in the Costa Rican rainforest con- trasts with the even sex ratios reported for co- llared and Chacoan ...
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TítuloAge structure and sex ratio of cave bears in the Zoolithenhöhle, southern Germany
... This paper reports the results of the study of age and sexual composition of the cave bear (Ursus spelaeus) ‘population’ of the Zoolithenhöhle, a classic cave site in Bavaria, sou- thern Germany. Radiocarbon dating ...
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Full PDF
... the sex ratio, size at sexual maturity and gonad devel- ...The sex of the clam was determined from each gonad under a compound micro- ...clam. Sex ratio was calculated by dividing the ...
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Reproductive aspects of Oreochromis niloticus (Perciformes: Cichlidae) at Coatetelco lake, Morelos, Mexico
... The sex ratio for ...1:1 ratio in populations of middle-age ...the sex ratio varies considerably from species to species, but in the majority of cases it is close to one, and may vary ...
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Full PDF
... (Klemens 2000, Litzgus & Mosseau 2004). Understanding the ecology of a species is essen- tial for the development of efficient measures for the mitigation of the effects of anthropo- genic impacts on natural ...
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Determinación de la eficiencia del mercado bursatil en el Perú a travéz del análisis fundamental, período 2009 2013
... operacional, ratio de impuestos sobre los ingresos, inversión en capital de trabajo, inversión en capital fijo y costo del ...el ratio de impuesto sobre los ...
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Sex shop & support on line
... Anteriormente, los sex shop eran un tema tabú para la sociedad, el cual implica ciertos estándares de moralidad en el ámbito religioso, educativo y legislativo. Pero, como cualquier tabú, se ha generado una ...
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Reproductive patterns of Aratus pisonii (Decapoda: Grapsidae) from a estuarine area of Sao PauIo Northern Coast, Brazil
... the sex-ratio does not differ from the 1 : 1 in the smalIest classes but it does differ in the intermediate size classes favouring females and also in larger crabs favouring males, according to the ...
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CLIL to Support Sex Education
... To conclude, it is important to remember how our main objective was to depict students’ perceptions about sex education lessons focused on contraceptive methods taught with CLIL. We achieved that goal through the ...
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Validation of self reported perception of proximity to industrial facilities: MCC Spain study
... Details of the MCC-Spain study are described in detail elsewhere (Castaño-Vinyals et al., 2015). Briefly, between September 2008 and December 2013 histologically confirmed incident cases of breast (n = 1738), prostate (n ...
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Laqueur Thomas Making sex
... Although my next chapter will consider explicitly the extraordinarily fraught relationship between the social world of two genders and the one-sex body, I do not want to end this one without briefly exploring an ...
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Testing the abundant centre hypothesis using intertidal porcelain crabs along the Chilean coast: linking abundance and life history variation
... Because the study of geographic patterns of abundance variation offers little insight into the underlying processes that shape the population distribution and range boundaries, several authors have proposed a more ...
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Population structure of Hepatus pudibundus (Decapoda: Calappide) in Fortaleza Bay, Brazil
... As suggested by Giesel (1972), deviations from the expected 1: 1 ratio may internalIy reg ulate the size of a population by affecting its reproductive potential. Díaz and Conde (1989) proposed that this might be ...
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