Les cookies assurent le bon fonctionnement de nos services. En utilisant ces derniers, vous acceptez l'utilisation des cookies.En savoir plusOK books.google.fr - Patterns in the numbers of species have fascinated naturalists for centuries. Understanding the causes of latitudinal gradients in species richness and biodiversity 'hotspots' is often considered to be the holy grail of ecology. Extinctions in the past offer insight into what may occur in the future...https://books.google.fr/books/about/Species_Richness.html?hl=fr&id=fPAO6kfbizMC&utm_source=gb-gplus-shareSpecies Richness