This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of...
The Fresh Water Fishes is a comprehensive guide to the fish species found in rivers and lakes throughout North America. Theodore Gill's detailed descriptions and illustrations make this a valuable...
Authored by world-class scientists and scholars, The Handbook of Natural Resources, Second Edition, is an excellent reference for understanding the consequences of changing natural resources to the...
In the decade since the first edition of this book was published advances have been made in our knowledge of the fresh waters of the world, espe cially in understanding many of the processes...