Ecosystem monitoring at global baseline sites D. A. BrunsG. Bruce WiersmaEdward J. Rykiel Jr. OriginalPaper Pages: 3 - 31
Results from the NOAA National Status and Trends Program on distribution and effects of chemical contamination in the coastal and estuarine United States Thomas P. O'ConnorCharles N. Ehler OriginalPaper Pages: 33 - 49
Long-term monitoring for environmental change in U.S. National Parks a watershed approach Raymond HerrmannRobert Stottlemyer OriginalPaper Pages: 51 - 65
An EPA program for monitoring ecological status and trends Jay J. MesserRick A. LinthurstW. Scott Overton OriginalPaper Pages: 67 - 78