This classroom resource provides clear, concise scientific information in an understandable and enjoyable way about water and aquatic life. Spanning the hydrolo

Emergence of a toxic organism like pfisteria in tributaries of the Chesapeake Bay has focused public attention on potential hazards in our water. More important

Water is our most vital resource, yet few understand even the basics of watershed ecology. This new edition has been updated to reflect growing environmental ch

Watershed describes the water crisis faced by Israel and the Occupied Palestinian Territories today; a crisis that will have much to do with the design and the