Nutrient concentrations and their relations to the biotic integrity of nonwadeable rivers in Wisconsin /
- 出版日期：2008.
- 出版者：U.S. Dept. of the Interior, U.S. Geological Survey,
- 页数：xii, 81 p. :
- 出版地：Reston, Va. :
- 第一责任说明：by Dale M. Robertson, Brian M. Weigel, and David J. Graczyk.
- 尺寸：28 cm.
- 分类号：a168
- ISBN：978-1-4113-2171-7(pbk.) :
MARC全文
02h0023351 20130409153643.0 s2008 vauab frb |000|||eng | 978-1-4113-2171-7(pbk.) : CNY200.00 NGL n-us-wi a168 Robertson, Dale M. Nutrient concentrations and their relations to the biotic integrity of nonwadeable rivers in Wisconsin / by Dale M. Robertson, Brian M. Weigel, and David J. Graczyk. Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2008. xii, 81 p. : ill. (chiefly col.), maps ; 28 cm. Professional paper ; 1754 "In cooperation with the Wisconsin Department of Natural Resources", also on title page. Includes bibliographical references (p. 72-75). Water quality biological assessment ; Nutrient pollution of water ; Rivers ; Stream ecology Wisconsin. ; Wisconsin. ; Wisconsin. ; Wisconsin. aWeigel, Brian M. ; aGraczyk, David J. Professional paper ; 1754. aCN bNGL http://www.loc.gov/catdir/toc/fy0904/2008023937.html NGL P 254.2 P94 v1754 ; h1 ; rCNY200.00 yllx1106