دانلود کتاب Winter: An Ecological Handbook

"Winter: An Ecological Handbook" is a guide for anyone who is curious—or needs to know—about winter. Naturalists, winter sports enthusiasts, residents of cold climates, and others who deal with winter on a daily basis will find this an enlightening as well as useful book. "Winter" explores the stresses of cold temperatures on animals, plants, and people, and describes coping mechanisms, from biochemical changes to behavioral responses. The authors examine the causes, characteristics, and energy costs for offsetting the forces of winter, and they explain the variety of adaptations to extreme conditions utilized by mammals, birds, and insects, as well as plants. The human perception and experience of winter is also covered, ranging from the variety of snow terms used by natives of northern regions to the complex web of interactions between human and animal populations. A guide to winter recreation and travel features solid advice on avoiding avalanches, frostbite, and other hazards; clothing to keep you warm; shelters to build in the snow; and the best winter camping techniques and equipment.