The polygyny threshold model
WebbPredicting polygynous settlement while incorporating varying female competitive strength. Gaute Bø Grønstøl, Ingvar Byrkjedal and Øyvind Fiksen. Behavioral Ecology, 2003, vol. 14, … WebbAnswer) Polygyny threshold model: The polygyny threshold model is an explanation of polygyny, the mating of one male of a species with more than one female. The model …
The polygyny threshold model
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Webb1 mars 2003 · Abstract. The rationale behind the polygyny threshold model is that the breeding situation quality (BSQ) males have to offer females varies, and that difference WebbTo address this polygyny paradox, we generalize the standard polygyny threshold model to a mutual mate choice model predicting the fraction of women married polygynously. We …
Webb1 okt. 2000 · I propose a model of our mating system incorporating both factors. Variation in the mating system is explained by variation in male resource control and contribution, resulting in ecologically imposed monogamy or polygyny, as predicted by the polygyny threshold model, as well as variation in male-male competition for status, resulting in … WebbTracing the Interdisciplinary Career of the Polygyny Threshold Model Abstract: Human behavioural ecologists take, as a starting point, models derived from the study of the …
Webb1 feb. 2024 · The results presented here suggest that the polygyny threshold model is valid in a population genetic context: if the fitness of females that actually mate polygynously is greater than the Fitness of monogamous females on poorer breeding situations,polygyny evolves. 16 Highly Influential PDF View 4 excerpts, references background and results Webb14 feb. 2011 · The "polygyny threshold" model, first outlined by G. H. Orians in 1969, can be viewed as a functional explanation for the maintenance of polygyny in a population by …
WebbAccording to the polygyny threshold model, females are compensated for the cost of sharing a territory with other females by breeding in territories of higher quality than …
WebbThe polygyny threshold model was introduced in the 1960s in order to explain why females in some species choose to mate vith already mated males. Since then, a number of … irs address in denver coWebbly, a practice termed »polygyny.« The polygyny threshold model (Figure 1) hypothesizes that female mate choice follows the evolved decision rule »If the bachelor suitor has at least half the resources of an already-married suitor, accept his offer; other-wise, become the second wife of the married suit-or.« Behavioral variation arises as ... irs address in cliffside park new jerseyWebbIn the polygyny threshold model, why do some females mate polygynously when they have the opportunity to mate monogamously? They obtain more resources. What evidence … portable humidifier that uses water bottleWebb18 nov. 2024 · Conceptual Breakthroughs in Evolutionary Ecology fills that knowledge gap in a thought-provoking and readable format. Written by a world-renowned evolutionary ecologist, this book embodies a unique blend of expertise in combining theory and experiment, population genetics and ecology. irs address in floridaWebbPolygyny exists regardless whether females may gain reproductive advantages or not. This means that the Polygyny Threshold Model does not apply. Female Defense Polygyny is … irs address in kentuckyWebb1 okt. 1986 · The critical test of the polygyny threshold model is to compare the success of experimental females in the deciduous habitat with that of control females in the coniferous habitat. This comparison (Table I) reveals that there was a significant difference in mean nestling weight; experimental broods were, on average, lighter than control … portable hunting shack plansWebb1 juli 1991 · In support of the polygyny threshold model based on male wealth (model 1a), Kipsigis women chose husbands that offered better resources at the time, as measured by a (co-)wife's expected share of the husband's land (Borgerhoff Mulder, 1990). portable hunting tripod stand