How do ecosystems combine function and adaptability despite comprising large ensembles of individual populations that are not subject to any central control? This question is addressed in The Dynamic Nature of Ecosystems by replacing the prevailing static view of the balance of nature with a more dynamic perspective. It argues that it is the trade-off between the irregular, chaotic dynamics at the population level and the spatio-temporal organization of the system as a whole, that shapes ecological systems. Such a trade-off is mediated by the effects of positive feedback that link populations...