Most rivers worldwide are highly regulated by anthropogenic activities through flow regulation and water pollution. Environmental flow regulation is used to reduce the effects of anthropogenic activities on aquatic ecosystems. Formulating flow alteration-ecological response relationships is a key factor in environmental flow assessment. Traditional environmental flow models are characterized by...

The development of ecological forecasts, namely, methodologies, to predict the chemical, biological, and physical changes in terrestrial and aquatic ecosystems is desirable so that effective strategies for reducing the adverse impacts of human activities and extreme natural events can be developed to sustain ecosystem productivity. The temporal and spatial scales of such ecological forecasts, i...

Keynote Session 1 Title: The ecohydrology of river vegetation Organizer: Dr. Matthew O’Hare (CEH Edinburgh, Bush estate, Penicuik, EH26 0QB, UK Synopsis: This session will focus on the developing field of riverine plant ecohydrology. Riverine plants including both aquatic macrophytes and riparian vegetation respond to their physical environment but they also influence it, effecting both hydrolo...

Temporal responses of indigenous bacterial populations and proteolytic enzyme (i.e., aminopeptidase) activities in the bacterioplankton assemblages from 3 separate freshwater environments were examined after exposure to various zinc (Zn) concentrations under controlled microcosm conditions. Zn concentrations (ranging from 0 to 10 μmol/L) were added to water samples collected from the Kalamazoo ...

Keynote Session 1 Title: The ecohydrology of river vegetation Organizer: Dr. Matthew O’Hare (CEH Edinburgh, Bush estate, Penicuik, EH26 0QB, UK Synopsis: This session will focus on the developing field of riverine plant ecohydrology. Riverine plants including both aquatic macrophytes and riparian vegetation respond to their physical environment but they also influence it, effecting both hydrolo...

The rate of invasive species introductions into the United States has steadily increased over the past 20 years. Coupled with ever-increasing human activity has been a steady increase in movement of invasive species resulting in many introductions of species into new landscapes (National Invasive Species Council (NISC) 2001). These introductions can pose serious threats to U.S. Army Corps of En...

Recent years have witnessed a shift in emphasis in the underlying objectives of fisheries management in the North Sea. Whilst the need to conserve individual stocks at sustainable and economically viable levels is still clearly a major priority, managers are now being asked to adopt a broader ecosystem approach to managing fisheries. The political impetus behind this change in attitude has larg...

Accurate classification of human aquatic activities using radar has a variety of potential applications such as rescue operations and border patrols. Nevertheless, the classification of activities on water using radar has not been extensively studied, unlike the case on dry ground, due to its unique challenge. Namely, not only is the radar cross section of a human on water small, but the micro-...

Background: Paraquat is a non-selective contact herbicide, widely used to control weeds in agriculture farms and aquatic plants in surface waters. Paraquat can have adverse effects on the health of aquatic organisms. The aim of this study was to detect the alterations in the blood biochemical parameters of common carp exposed to sub-lethal concentrations of commercial formulations of paraquat. ...

Human health and aquatic animal health are organically related at three distinct interfaces. Aquatic animals serve as important contributors to the nutritional protein, lipid, and vitamin requirements of humans; as carriers and transmitters of many infectious and parasitic diseases to which humans are susceptible; and as indicators of toxic and carcinogenic substances that they can convey, in s...