Measuring mating competition correctly: available evidence supports operational sex ratio theoryBehavioral Ecology - Tập 23 Số 6 - Trang 1170-1177 - 2012
Karen de Jong, Elisabet Forsgren, Hanno Sandvik, Trond Amundsen
AbstractCentral to sexual selection theory is the question of when individuals should compete for mates. Theory predicts that the sex ratio of ready-to-mate individuals (operational sex ratio; OSR) affects male and female mating competition. In accordance with this, the strength of mating competition, measured by agonistic behaviors and courtship displays, has been...... hiện toàn bộ