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Occurrence of sexual size dimorphism in belostoma elegans (Heteroptera: Belostomatidae)
(American Entomological Society, 2010-02)
Sexual size dimorphism (SSD) is detected in Belostoma elegans for the first time in a multivariate framework. Females are usually bigger than males in Heteroptera species; size is frequently associated with reproductive ...
Behavioral and physiological polymorphism in males of the austral lizard Liolaemus sarmientoi
(Springer, 2017-11)
Integrative behavioral studies show that the interplay between individual physiology and social behavior influences the ecology of the species, ultimately affecting individual fitness. Particularly in lizards, color ...
Effect of food addition on the reproductive intensity and timing of both sexes of an intertidal crab
(Inter-Research, 2010-02)
Males and females of most animals time reproduction and synchronize their reproductive activity to maximize lifetime fitness. When food is abundant, however, the 2 sexes may time investments in reproduction differently due ...
Aspectos psicológicos na infertilidade masculina e sua relação com os parâmetros seminais
(BrasilUFRNPROGRAMA DE PÓS-GRADUAÇÃO EM PSICOBIOLOGIA, 2019-03-27)
Conjugal infertility is a disease of the reproductive system that occurs in couples trying to
conceive for at least twelve months without any contraception and without success. Male
infertility may be related to the ...
Where are the males? The influence of bottom-up and top-down factors and sociability on the spatial distribution of a territorial ungulate
(Springer, 2022-01)
The factors that regulate the abundance and distribution of wild herbivores are key components of a species’ ecology and include bottom-up and top-down mechanisms, as well as aspects related to social organization. In ...
GABAB1 knock-out mice reveals alteration in prolactin levels, gonadotropin axis and reproductive function
(Karger, 2005-12)
gamma-Aminobutyric acid (GABA) has been implicated in the control of hypophyseal functions. We evaluated whether the constitutive loss of functional GABA(B) receptors in GABA(B1) knockout (GABA(B1)(-/-)) mice alters hormonal ...
O cristal, o ferro e o sal: recursos minerais do antigo Guairá (1557-1632), atual estado do Paraná
(Universidade Estadual de Campinas, 2010)
Variación del éxito de apareamiento y reproductivo de Stegastes acapulcoensis en temporadas contrastantes
(Universidad Michoacana de San Nicolás de Hidalgo, 2017-03)
Stegastes acapulcoensis is an herbivore regulating the algae community structure and productivity in rocky-coral reefs. It is characterized as an aggressive, territorial fish, with external fertilization, demersal nest and ...
Effects of nest predation on a south temperate house wren population
(Wiley Blackwell Publishing, Inc, 2021)