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Five methods for estimating maximum daily and annual nitrate (NO3) and suspended sediment loads using periodic sampling of varying intensities were compared to actual loads calculated from intensive stormflow and baseflow sampling from small, forested watersheds in north central West Virginia to…
Author(s): Pamela J. Edwards, Karl W.J. Williard, James N. Kochenderfer
Keywords: nitrate, sampling frequency, stormflow, concentrations, suspended sediment, total maximum daily loads
Source: Environmental Monitoring and Assessment. 98: 201-223.
Year: 2004
Differences in fish habitat variables between two studied watersheds may be related to differences in land management. In using the R1/R4 Watershed-Scale Fish Habitat Inventory Process, for most habitat variables, evaluations of sample sizes of at least 30 habitat units were adequate. Guidelines…
Author(s): C. Kerry Overton, Michael A. Radko, Rodger L. Nelson
Keywords: habitat variables, sampling frequency, logging effects, channel morphology, streams
Source: Gen. Tech. Rep. INT-300. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station. 14 p.
Year: 1993