دانلود کتاب Snorkeling Rivers and Streams: An Aquatic Guide to Underwater Discovery and Adventure

Snorkeling Rivers and Streams takes readers on an underwater nature hike and chronicle adventures and discoveries in our amazing freshwaters. This how-to-do-it book is a perfect introduction to the growing sport of river snorkeling. Readers will experience the thrills, excitement, and discoveries that can be found underwater and learn about the aquatic life of fish, insects, snakes, frogs, and turtles that live below the surface.We often perceive that there isn't much to see beneath the surface of our rivers and streams, but once we look underwater an amazing world appears. Fish of all colors, shapes, and behaviors live in our freshwater ecosystems and we can experience incredible ecological feats as we witness thousand-mile fish migrations and intricate spawning behavior. The streams themselves create other worldly streamscapes. You don't need to travel to exotic places for underwater discoveries. You just need to don a mask and snorkel and explore the local stream.