The multimetric approach to bioassessment is the technique most frequently used by the
state water resource agencies in the USA, because it provides a means of integrating …

The views expressed in this document are the authors' and do not necessarily reflect those
of EPA or the institutions with which the authors are affiliated. The official endorsement of the …

The status of biological criteria in state and federal water quality programs suggest that the
majority of North American resource types have at least a single multimetric index …

The causes of degradation of aquatic systems are often complex and stem from a variety of
human influences. Comprehensive, multimetric biological indices have been developed to …

State water quality agencies are custodians of water quality management programs under
the Clean Water Act of which the protection and restoration of biological integrity in surface …

Differences in sampling and laboratory protocols, differences in techniques used to evaluate
metrics, and differing scales of calibration and application prohibit the use of many existing …

Few attempts have been made to combine multimetric and multivariate analyses for
bioassessment despite recognition that an integrated method could yield powerful tools for …

The goal of biological monitoring is to evaluate the effect of human activities on biological
resources. In this study, we linked human activities across landscapes to specific changes in …

The central purpose of assessing the biological condition of aquatic communities is to
determine how well a water body supports aquatic life (Barbour et al, 1996). Use of …

The purpose of this essay is to express the opinion that additive, or" multimetric", indices
were developed specifically for assessment and management of environmental quality, and …