The triazine herbicide atrazine (2‐chloro‐4‐ethylamino‐6‐isopropyl‐amino‐s‐triazine) is
one of the most used pesticides in North America. Atrazine is principally used for control of …

1 Ecotoxicology is concerned ultimately with the effects of pollutants on populations not
individuals. Sub-lethal effects, and changes to the environment, can have a greater impact …

The definitive reference in its field, Ecological Risk Assessment, Second Edition details the
latest advances in science and practice. In the fourteen years since the publication of the …

Considerations involved in developing a suite of indicators to monitor regional
environmental health, similar in conception to management use of 'leading economic …

Ecosystem analysis has been advanced by an improved understanding of how ecosystems
are structured and how they function. Ecology has advanced from an emphasis on natural …

Despite an increased awareness by governments and the general public of the need for
protecting all types of aquatic habitats, human impacts continue to impair the services that …

Aquatic toxicology is the study of the effects of manufactured chemicals and other
anthropogenic and natural materials and activities on aquatic organisms at various levels of …

As ecosystems become increasingly affected by human activity, the need to monitor,
evaluate, manage, and remediate ecological change will increase. Because of the …

This chapter examines community responses of benthic organisms to heavy metals in
streams. Descriptive approaches, such as routine biomonitoring of community structure and …

Understanding toxicant effects at higher levels of biological organization continues to be a
challenge in ecotoxicology and ecological risk assessment. This is due in part to a tradition …