| (1998)2001 | | Kart, F:15,7x23,3 cm, 282 S, 83 Zeichnungen | WG: Buch | | Identifies the factors that make streams and rivers unique- Places the biology in historical, geographical, and physical perspectives- Includes a chapter on the important - conservation issues currently affecting crucial- running-water resources- Beautifully illustrated with many specially prepared line drawings. | [E] | |