The ecosystems of land and hydrosphere are extremely diverse. They do not belong to the structure of the biosphere individually, but as part of larger units of the biosphere - biogeoms, and aggregates of such ecosystems. The book considers the principles of the organization of ecosystems, biogeoms, the structure of the biosphere in a single scheme for ecosystems of hydrosphere and land. The global changes taking place in the biosphere are connected with the creation of human anthropogenic technological, urban and agricultural ecosystems, whose role is continuously increasing. For professors, teachers, postgraduates, students, hydrobiologists, ecologists, specialists in the field of environmental protection. You can ordering book in SA "UKRINFORMNAUKA"