00927cam a22001814a 4500008004100000020001500041040000800056050002000064245030000084260005500384300001900439505001700458518001500475650002500490650003000515710012500545710007500670000104s2000    dcuab    b    001 0 eng    a0309068452  aSDU00aQH541bE17 200000aEcological indicators for the nation /cCommittee to Evaluate Indicators for Monitoring Aquatic and Terrestrial Environments, Board on Environmental Studies and Toxicology [and] Water Science and Technology Board, Commission on Geosciences, Environment, and Resources, National Research Council.  aWashington, D.C. :bNational Academy Press,c2000.  a180 p. :bill.  aHKBU library  aYT2025 M09 0aIndicators (Biology) 0aEnvironmental monitoring.2 aNational Research Council (U.S.).bCommittee to Evaluate Indicators for Monitoring Aquatic and Terrestrial Environments.2 aNational Research Council (U.S.).bWater Science and Technology Board.