Humans have effectively transported thousands of species around the globe and, with
accelerated trade; the rate of introductions has increased over time. Aquatic ecosystems …

Elevated nutrients and sediments are the main factors contributing to the poor biological
condition measured in over 40% of US waters, highlighting the need for criteria that can aid …

Degradation of freshwater ecosystems is a major concern worldwide. Agriculture introduces
multiple stressors to streams, presenting a challenge for freshwater managers who must …

Stream managers need to understand relationships between multiple stressors and
ecological responses. We examined responses of benthic invertebrates and algae along …

Modification of natural landscapes and land‐use intensification are global phenomena that
can result in a range of differing pressures on lotic ecosystems. We analysed national‐scale …

The growing human enterprise has sparked greater interest in identifying ecological
thresholds in land use conversion beyond which populations or communities demonstrate …

Nonlinear ecological responses to anthropogenic forcing are common, and in some cases,
the ecosystem responds by assuming a new stable state. This article is an overview and …

One objective of the European Union (EU)'s Water Framework Directive (WFD: Directive
2000/60/EC) is for all European surface waters to achieve 'good status' by 2015. In support …

Deforestation is a major threat globally, but especially in tropical regions because they are
biodiversity strongholds and carbon storehouses. Some studies have reported changes in …

The goal of this paper is to help managers better understand implications of using aggregate
community metrics, such as taxon richness or Indices of Biotic Integrity (IBI), for detecting …