Supercharged Snails for Stream Ecology & Water-Quality Studies

Autor/inn/en	Stewart, Arthur J.; Ryon, Michael G.
Titel	Supercharged Snails for Stream Ecology & Water-Quality Studies
Quelle	In: American Biology Teacher, 65 (2003) 8, S.620-626 (7 Seiten)Infoseite zur Zeitschrift PDF als Volltext Verfügbarkeit
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	0002-7685
Schlagwörter	Leitfaden; Unterricht; Lehrer; Water Quality; Environmental Education; Field Tests; Earth Science; Ecology; Science Experiments; Pollution; Water Pollution; Zoology; Secondary School Science; College Science; Teaching Methods + Suchen Sie Ihr Suchwort? Lesson concept; Instruction; Unterrichtsentwurf; Unterrichtsprozess; Teacher; Teachers; Lehrerin; Lehrende; Wasserqualität; Umweltbildung; Umwelterziehung; Umweltpädagogik; Praxisübung; Earth sciences; Geowissenschaften; Ökologie; Schadstoffbelastung; Gewässerverschmutzung; Zoologie; Teaching method; Lehrmethode; Unterrichtsmethode
Abstract	Gill-breathing freshwater snails (Family "Pleuroceridae") are ecologically important, abundant in many streams in the United States, and easy to collect and maintain under classroom conditions. These snails can be used in classroom tests to demonstrate effects of pollutants on aquatic organisms. In more advanced classes, students can cage the snails or use tag-release-recapture methods to conduct in-stream studies on water quality. In this article, the authors describe techniques for conducting classroom and field tests with two snail genera ("Elimia" and "Pleurocera"), focusing on examples of methods that are appropriate for high school and college students interested in aquatic ecology or water-quality testing. (Contains 4 figures.) (ERIC).
Anmerkungen	National Association of Biology Teachers. 12030 Sunrise Valley Drive #110, Reston, VA 20191. Tel: 800-406-0775; Tel: 703-264-9696; Fax: 703-264-7778; e-mail: publication@nabt.org; Web site: http://www.nabt.org
Erfasst von	ERIC (Education Resources Information Center), Washington, DC
Update	2017/4/10