Woodward, Susan L.Biomes of Earth: Terrestrial, Aquatic, and Human-Dominated (Acc#9737)2010-02-152010-02-152003http://hdl.handle.net/1969.3/26723pgs. 235-252Flowing waters, or the lotic environment, make up only 0.0001 percent of the world's water (Allan 1995). They present a unique set of conditions for life. The channelized water of a stream moves in one direction, downslope, and yet plants and animals do not all get washed out of a river system because they have evolved adaptations that allow them to maintain a particular horizontal position in a stream... This chapter continues to discuss several biotic aspects of rivers and streams.lotic environment, rivers, streams, flowing water, algae, ecosystem, sediments, water, biomeChapter