作者: David R. Lenat , David L. Penrose
DOI: 10.1007/BF01055215
关键词:
摘要: As part of a statewide evaluation the impact nonpoint sources water pollution (relevant to Section 208 Federal Water Pollution Control Act Amendments 1972), study was conducted determine effects surface runoff from apple orchards. It by Biological Monitoring Group North Carolina Division Environmental Management using aquatic macroinvertebrates as assessment organisms. Both taxa richness and total numbers were reduced below orchards, particularly during two pesticide application periods. Results indicate chronically severe stress conditions at most downstream site periodic stress, followed recovery, an upstream site. Several especially susceptible orchard runoff, includingEpeorus (Iron) sp. all Plecoptera.