USGS

Evaluation of coal-mining impacts using numerical classification of benthic invertebrate data from streams draining a heavily mined basin in eastern Tennessee

U.S. Geological Survey, Water-Resources Investigations Report 85-4289

by Arthur D. Bradfield


Table of Contents

Abstract

Introduction

Physical setting

Methods for data collection

Methods used in analysis of benthic invertebrate data

Comparisons of sites using water-quality data and benthic invertebrate sample parameters

Numerical classif ication of invertebrate data

Classifications of species of:

Ephemeroptera collected during March and November 1982 and March 1983

Ephemeroptera collected during March 1982

Ephemeroptera collected during November 1982

Ephemeroptera collected during March 1983

Plecoptera collected during March and November 1982 and March 1983

Plecoptera collected during March 1982 and March 1983

Plecoptera collected during November 1982

Tricoptera and Diptera

Ephemeroptera, Plecoptera, and Tricoptera collected during March and November 1982 and March 1983

Ephemeroptera, Plecoptera, and Tricoptera collected during March 1982 and March 1983

Ephemeroptera, Plecoptera, and Tricoptera collected during November 1982

Summary and conclusions

References cited

 


 

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