I. Hydrology. II. Hydraulics. III. Erosion and Other Destructive Phenomena. IV. Role of Forests in Water Economy and Soil Protection. V. Torrent Control. VI. Gully and Landslip Control. VII. Avalanche Control. VIII. Riparian Stands. IX. Afforestation of Barren Soil. X. Protective Forest Belts. XI. The Role of Forests in Land Reclamation and Improvement. XII. The Technology of Forest Improvement Operations. XIII. Constructions. References. Subject Index.