This book offers a comprehensive introduction to  basic ecological and biological principles underlying modern agriculture, forestry, fisheries and aquaculture, and explains how these principles are used to increase the production of food and other raw materials (wood, biofuels, fibers and other materials). The book is translated into English, originally published in Czech by Karolinum Press, Charles University, and provides new updated information to discuss how the intensification of the production of these goods changes the structure of ecosystems concerning energy and nutrient flows,...