The effective design of field studies requires that sample size requirements be estimated for
important endpoints before conducting assessments. This a priori calculation of sample size …

Aquatic ecosystems are one of the most threatened ecosystems in the world resulting in the
decline of aquatic biodiversity. Monitoring and the assessment of aquatic ecosystems are …

Summary 1 Compared to other ecosystem types, a wide variety of biomonitoring methods
are available for rivers. Few studies have, however, compared the response of bioindicators …

Aquatic ecosystems are essential sources of ecological productivity and biodiversity, and
they offer a wide range of services to human populations. Furthermore, the Earth's aquatic …

Fish species have been often used as indicators of environmental quality in aquatic
ecosystems, while biotic indices based on fish have become common tools in ecological …

Ecological monitoring and assessment of pollution in rivers Page 139 CHAPTER SIX
Ecological monitoring and assessment of pollution in rivers J. IWAN JONES, JOHN DAVY-BOWKER …

Biological assessment of aquatic ecosystems is widely employed as an alternative or
complement to chemical and toxicity testing due to numerous advantages of using biota to …

Recently, the concurrent use of multiple taxonomic groups in stream bioassessment is
becoming increasingly common because the responses of each group to anthropogenic …

The aim of this study was to evaluate the use of gonadal alterations in the thinlip grey mullet
(Liza ramada) as a biological indicator in assessing aquatic ecosystems health, with …

Описано спосіб діагностики ранніх порушень у найбільш чутливих компонентах
біотичних угруповань за використання морфологічних параметрів печінки кісткових риб …