Rankin Daniel J, Kokko Hanna
Laboratory of Ecological and Evolutionary Dynamics, Department of Biological and Environmental Science, University of Helsinki 00014, Finland.
Trends Ecol Evol. 2006 May;21(5):225-6. doi: 10.1016/j.tree.2006.02.013. Epub 2006 Mar 20.
The population consequences of sexual conflict are relatively unexplored. In a recent paper, Le Galliard et al. now show that males of the common lizard Lacerta vivipara cause such damage to females that male-biased populations decrease in size, posing a real risk to the persistence of local lizard populations. Their study reveals surprising parallels between sexual conflict and the tragedy of the commons, where selfish competition over females destroys the very resource (i.e. the females) over which the males are fighting.
性冲突对种群的影响相对而言尚未得到充分研究。在最近的一篇论文中，勒加利亚尔等人指出，普通蜥蜴（胎生蜥蜴）的雄性对雌性造成了如此大的伤害，以至于雄性占多数的种群数量会减少，这对当地蜥蜴种群的存续构成了切实风险。他们的研究揭示了性冲突与公地悲剧之间惊人的相似之处，即雄性对雌性的自私竞争破坏了雄性为之争斗的资源（即雌性）本身。
