The sustainability of ecosystem services depends on a firm understanding of both how
organisms provide these services to humans and how these organisms will be altered with a …

In this paper, we present a review on concepts, current use and anticipated future directions
of biomonitoring approaches and bioindicators used for river ecosystems. Periphyton …

Assessments of environmental conditions in rivers and streams with diatoms have a long
history, which has resulted in the development of the two basic conceptual and analytical …

Benchmarks provide context and are a critical element of all ecological assessments. Over
the last 25 y, hundreds of papers have been published on various aspects of ecological …

According to the Millennium Ecosystem Assessment, common indicators are needed to
monitor the loss of biodiversity and the implications for the sustainable provision of …

Studies of the effects of urbanization on stream ecosystems have usually focused on single
metropolitan areas. Synthesis of the results of such studies have been useful in developing …

The first studies of diatoms and river pollution were carried out 60 years ago, and the
suitability of these micro-algae as bioassessment indicators for monitoring river quality was …

Linking fecal indicator bacteria concentrations in large mixed-use watersheds back to diffuse
human sources, such as septic systems, has met limited success. In this study, 64 rivers that …

Freshwaters face multiple environmental problems including eutrophication, acidification,
salinization, and climate-change, all of which can lead to impairment of ecosystem structure …

Beta diversity, the spatial or temporal variability of species composition, is a key concept in
community ecology. However, our ability to predict the relative importance of the main …