Fish mercury concentrations have received considerable attention due to human health
implications. Fish mercury concentrations are variable within and among systems due to a …

Native crayfishes are often extirpated from portions of their range because of interactions
with invasive species, anthropogenic alterations to environmental conditions or a …

Managers can improve conservation of lotic systems over large geographies if they have
tools to assess total watershed conditions for individual stream segments and can identify …

Efforts to quantify disturbances to aquatic systems often use landscape-level metrics,
presumably linked to ecological integrity, but fewer studies have directly linked ecological …

Introduced crayfishes pose a threat to native aquatic biodiversity and the natural function of
aquatic systems. In the St. Francis River drainage of Missouri the introduced Woodland …

Large-bodied predatory sportfish from Missouri reservoirs can contain elevated
methylmercury concentrations that are of concern to the health of consumers. The …

The overall goal of the Bureau of Land Management (BLM) Rapid Ecoregional Assessments
(REAs) is to compile and synthesize regional datasets to facilitate evaluation of the …

Improving conservation of stream fish assemblages in agricultural landscapes requires both
retrospective assessments of the effects of applied conservation practices (CPs) and …

Mercury contamination in aquatic ecosystems is a global concern due to the health risks of
consuming contaminated aquatic organisms, particularly fishes. Mercury concentrations in …

Land use influences streams through a variety of mechanisms, however the scale at which
they affect the stream may vary. Karst watersheds, characterized by groundwater springs …