A5009425718- Fish Ecology and Management Studies
- Hydrology and Sediment Transport Processes
- Marine and fisheries research
- Fish Biology and Ecology Studies
- Fish biology, ecology, and behavior
- Marine animal studies overview
- Hydrology and Watershed Management Studies
- Reproductive biology and impacts on aquatic species
- Wildlife Ecology and Conservation
- Animal Vocal Communication and Behavior
- Aquatic Invertebrate Ecology and Behavior
- Water Quality Monitoring Technologies
- Flood Risk Assessment and Management
- Biomimetic flight and propulsion mechanisms
- Soil and Water Nutrient Dynamics
- Animal Behavior and Reproduction
- Underwater Acoustics Research
- Water-Energy-Food Nexus Studies
- Hydraulic flow and structures
- Coastal and Marine Management
- Cavitation Phenomena in Pumps
- Ecology and biodiversity studies
- Botany and Plant Ecology Studies
- Marine Bivalve and Aquaculture Studies
- Environmental DNA in Biodiversity Studies
University of Southampton
2016-2025
Game & Wildlife Conservation Trust
2021
Scottish Natural Heritage
2021
NOAA National Marine Fisheries Service Northwest Fisheries Science Center
2005-2009
NOAA National Marine Fisheries Service
2005-2009
University of Stirling
2003-2006
Marine Scotland
2003-2006
National Oceanic and Atmospheric Administration
2005
Brown University
1984
Louisiana State University
1982
Elevated fine sediment input from terrestrial and aquatic sources as a result of anthropogenic activity is widely recognized to impact negatively on ecosystems. In rivers, freshwater fish are exposed range impacts resulting pressures. To date, research the effects sediments has been concentrated within relatively few families, notably salmonidae. This paper reviews literature describing indirect direct contribution towards enhancing understanding activities We identify causal mechanisms that...
Abstract Techniques for assessing the impact of structural barriers on fish passage and prioritising restoration actions are reviewed. Current survey methodologies biased towards specific structures, primarily culverts economically significant fish. Assessment criteria often based swimming capabilities upstream migrating adult salmonids, while ignoring other life‐stages, non‐salmonid species, downstream migration behaviour. The development comprehensive centrally owned geospatial inventories...
The periwinkle Littorina littorea exhibits morphological variation among southern New England populations that appear to be genetically continuous. In dense populations, individuals have relatively elongate shells in comparison sparse which rounder, globose shells. We experimentally demonstrate this shell is a function of snail growth rate. Rapidly growing snails develop thin, accommodate more body mass than thicker, implications these results are discussed relation interpreting extant...
Abstract Reintroduction of beaver ( Castor spp) may facilitate rehabilitation freshwater habitats providing a cost‐effective sustainable means improving ecological conditions. Despite extensive research, debate and consultation, general consensus on the impact fishes has proven elusive because variability in biological response. This paper provides systematic review impacts dams fish habitat based meta‐analysis literature expert opinion. Research is regionally biased to North America (88%)....
European rivers are disconnected by more than one million man-made barriers that physically limit aquatic species migration and contribute to modification of freshwater habitats. Here, a Conceptual Habitat Alteration Model for Ponding is developed aid in evaluating the effects impoundments on fish Fish communities present with low human impact their broad environmental settings enable classification into 15 macrohabitat types. These classifications, together estimated sensitivity alteration...
Summary 1. The European eel population has decreased drastically during recent decades, and new EU‐legislation calls for measures to change this negative trend. This decline been attributed a number of factors, including habitat fragmentation by structural barriers that prevent eels moving between freshwater the sea. success downstream migrating adult silver past hydroelectric plant (HEP) in Sweden was examined radio‐telemetry, results were considered historical context analysing catch data...
Over recent years, there has been increasing challenge to the accepted wisdom that environmental impacts of river engineering can be adequately mitigated through installation infrastructure, such as fish passes. This led a debate on value passage with some arguing increased research and development will advance solutions for variety structures are suitable multiple species transferable different regions. Others suggest policies management strategies should reflect realization current...
Abstract Worldwide, fishways are increasingly criticized for failing to meet conservation goals. We argue that this is largely due the dominance of diadromous species Northern Hemisphere (e.g., Salmonidae ) in research underpins concepts and methods fishway science management. With highly diverse life histories, swimming abilities spatial ecologies, most freshwater fish do not conform stereotype imposed by framework. This leading a global proliferation often unsuitable native species. The...
Brexit creates a systemic shock that provides unique opportunity for the UK to implement new sustainable Fisheries Policy better manage multiple stocks on which future fishers will depend leaving European Union. At same time, global slowdown of commercial fishing as result COVID-19 has reduced pressure some threatened levels not seen since Second World War. In combination, and have created facilitate recovery resource. Nevertheless, challenges remain fisheries represent only 0.12% economic...
Abstract Many seafood products marketed as “sustainable” are not. More exacting sustainability standards needed to respond a fast-changing world and support United Nations SDGs. Future fisheries must operate on principles that minimise impacts marine life, adapt climate change allow regeneration of depleted biodiversity, while supporting enhancing the health, wellbeing resilience people communities. We set out 11 actions achieve these goals.
Abstract One ‘2020 vision’ for fluvial geomorphology is that it sits alongside stream ecology and hydraulic engineering as a key element of an integrated, interdisciplinary river science. A challenge to this vision scientists from these three communities may approach problems different perspectives with questions have methodological outlooks. Refining methodology important in context, but raises number issues geomorphologists, ecologists engineers alike. In particular, we believe there...
Anthropogenic structures (e.g. weirs and dams) fragment river networks restrict the movement of migratory fish. Poor understanding behavioural response to hydrodynamic cues at currently limits development effective barrier mitigation measures. This study aimed assess effect flow constriction associated patterns on eel behaviour during downstream migration. In a field experiment, we tracked movements 40 tagged adult European eels (Anguilla anguilla) through forebay redundant hydropower intake...
Summary The presence of dams, stream–road crossings and other infrastructure often compromises the connectivity rivers, leading to reduced fish abundance diversity. assessment mitigation river barriers is critical success restoration efforts aimed at restoring integrity. In this study, we present a combined modelling approach involving statistical regression methods mixed integer linear programming maximize resident species richness within catchment through targeted barrier mitigation....
Abstract We assessed fine‐scale behavioral responses of the smolts four Pacific salmonid species to open and constricted channels in a flume. Natural migrants encountered two geometrically similar parallel with different hydraulic conditions representing treatments. Observation route selection under alternate discharge scenarios provided evidence choice by smolts. As expected, majority passed through channel ratio consistent flow. After controlling for influence flow, both initial subsequent...
Abstract The efficiencies of fish passes specifically designed and constructed to facilitate the movement a limited number species life‐stages past structural barriers are likely decline as site‐specific conditions shift with changing climate. There is need develop realistic passage criteria based on understanding swimming capability behaviour multiple in relation temperature flow. influence discharge ability groups migrating adult river lamprey ( Lampetra fluviatilis ), threatened species,...
Russon IJ, Kemp PS, Calles O. Response of downstream migrating adult European eels ( Anguilla anguilla ) to bar racks under experimental conditions. Ecology Freshwater Fish 2010: 19: 197–205. © 2010 John Wiley & Sons A/S Abstract – The behavioural response nonsalmonid fish hydraulic conditions associated with river infrastructure is poorly understood. (12 mm spacing) angled on the vertical and horizontal planes different flow regimes during periods darkness was assessed. Eels...