TOP COVER FOREWORD THE PROTECTED FOREST SYSTEM AND FOREST BIOSPHERE RESERVE THE HISTORY OF THE SHIRAKAMI MOUNTAIN AREA AND NEIGHBOURING AREAS (1)Edo Period to Second World (2)After Second World War THE SHIRAKAMI MOUNTAIN AREA FOREST BIOSPHERE RESERVE NATURAL BUNA FORESTS (1)Distribution of Buna Forests (2)Flora in Buna Forests (3)Fauna in Buna Forests (4)Physiological Characteristics of Buna (5)Soil of Buna Forests (6)The Soil and Water Conservation Functions of Buna Forests (7)Buna Forest Management for Sustained Yield FOREST ECOSYSTEM (1)The chemical Cycle of Forests (2)Succession and Climax of Forests (3)The Wild Animal Food Chain THE WONDERS OF FORESTS (1)Forests as Huge Gas Exchanges (2)Colorful Autumn Tints and Defoliation (3)Wood Bathing:A Source of Health (4)Birdsong Announcing the Arrival of Spring Flora Along the Observation Path in the Natural Buna Forest Near Anmon Falls