Hydraulic Engineering Commons^™

Session B8: Swimming Behaviour Of Beluga And Stellate Sturgeons During Their Migration In The Lower Danube River, Stefan Honţ, Marian Paraschiv, Marian Iani, Radu Suciu, Lucian Oprea

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

The Lower Danube River (LDR) still supports three naturally self-sustaining species of anadromous sturgeons. Beluga sturgeons (Huso huso) and stellate sturgeons (A. stellatus) are still common while Russian sturgeons (Acipenser gueldenstaedti) became very rare. Studying their swimming behaviour is essential for understanding (i) the impact of construction works aiming to improve conditions for navigation; (ii) sturgeon behaviour in relation to Iron Gate hydropower and navigation systems; (iii) behaviour of young sturgeons during downstream migration towards the Black Sea. A significant number of wild adult sturgeons (N= 103; 39 beluga, 1 Russian and 63 stellate) was implanted with acoustic transmitters, …

Session E8: Efficiency Measurements As Tool In Evaluating Fishways, Jan H. Kemper, Quincy A. De Bruijn

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

The awareness of the importance of free fish migration in the Netherlands is reflected in the increasing number of fishways that has been built in the past decade. The intention is that all the bottlenecks will be solved before 2027.

Equally important as the realization of fishways, is the evaluation of the design. In other words, are all species and size classes that want to pass, truly able to pass the structure. The challenge in this type of research is to avoid interference of the measuring tools with the fish migrants. The conventional monitoring fyke, does not meet this …

Session B8: Changes In Fish Passage Metrics Following The Co-Location Of A Low-Head Hydropower Turbine With An Existing Fish Pass; Revealed By An Acoustic Tracking Study Of Migratory Salmonids, Richard A.A. Noble, Jon D. Bolland, Jamie R. Dodd, Sam E. Walton, Terry Coddington, Ian G. Cowx, Jon Hateley, Jim Gregory

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

Co-location of hydropower turbine outfalls with fish pass entrances has been suggested as current best practice to optimise the attraction flows for the fish pass and to mitigate the perceived negative impacts of small run-of-river hydropower schemes. To test this a five year acoustic tracking study was instigated to monitor the installation of a low-head Archimedes screw turbine alongside an existing pool-traverse fish pass on Ruswarp Weir, at the tidal limit of the River Esk (England). The study tracked the behaviour of salmon and sea trout as they approached the weir and fish pass and determined the overall passage …

Session C8: River Mill Dam Downstream Migrant Integrated Collector And Bypass, Peter Christensen

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

The River Mill Dam Hydroelectric Development is part of the Clackamas River Hydroelectric Project in northwest Oregon, USA owned and operated by Portland General Electric (PGE). A downstream migrant fish collector and bypass facility was installed on the dam in 2012. The dam was constructed in 1911, and although a fish ladder was included at the time, and upstream passage of anadromous and resident fish has always been provided, downstream passage was only possible through the turbines or over the spillway until the collector and bypass was added. The collector is unique in that attraction water used to entice …

Session E8: Fish Migration Possibilities In The Netherlands; State Of The Art (Barriers, Solutions, Monitoring), Martin Kroes, Herman Wanningen, Niels Breve, Peter Van Puijenbroek

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

Measures to restore fish migration is gaining a major boost in the Netherlands since the Water Framework Directive, Benelux Regulation and Eel Directive are operational. Water managers, responsible for a good ecological status, are working hard to reach free fish migration in their waters.

Currently, 1.124 measures are realized at barriers like weirs, pumping stations, sluices and culverts. 2.745 barriers are identified. Since 2000, there is a strong development of measures and new techniques.

These results are based on a study “The Netherlands living with Fish Migration”, that was started in 2008. Target of this study was the evaluation …

Session E8: Not Just For Adults! Evaluating The Efficacy Of Multiple Fish Passage Designs At Low-Head Barriers For The Upstream Movement Of Juvenile And Adult Trout Salmo Trutta, Michael Forty, Jack Spees, Martyn Lucas

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

Connectivity in salmonid-streams is vital for juvenile as well as adult trout, yet most upstream passage studies consider only larger adults. Upstream passage of juvenile and adult Salmo trutta at individual and cumulative low-head (< 3 m) barriers on two tributaries of the River Ribble (NW England) was investigated using PIT telemetry during summer/autumn 2013 and 2014. The efficiency of a low-cost baffle fish pass (Servais, 2006) was evaluated for the first time, along with two more traditional poolweir passes, an embedded rock ramp and two culverts. We used a combination of naturally migrating S. trutta and novel innature displacement experiments, where resident fish were displaced from above to below structures and their homing instinct utilised to instigate their ascent of the structure. Each structure was evaluated using several metrics measuring the passage efficiency (PE) and delays incurred before successful passage (time and number of attempts). We show that instigating ascent of a structure through downstream displacement can be successful with up to 91% of displaced fish attempting to pass. Passage efficiencies of up to 82% for the low-cost baffle design were observed, which was comparable to the pool-weir design (up to 84%) and better than the embedded rock ramp (71%). The two culverts had contrasting impacts, with the shorter control (within predicted swim performance) Culvert 1 representing a manmade structure which had little impact on passage efficiency (96% - 100%) and delay metrics compared to Culvert 2 (PE = 41%). Logistic regression demonstrated a strong body-length effect on passage success at passes, with shorter individuals (< 91–132 mm depending on the structure) having a less than 50% probability of successful passage. The study demonstrates the efficacy of three fish passage designs at low-head barriers and the variation in delay that can be incurred even between similarly designed passes.

Session C8: Development Of Criteria For The Design And Dimensioning Of Fish-Friendly Intakes For Small Hydropower Plant, Dominique Courret, Michel Larinier, Laurent David, Ludovic Chatellier

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

To conciliate the hydroelectric production and the restoration and protection plans of migratory species, in particular salmon (Salmo salar), sea trout (Salmo trutta) and eel (Anguilla anguilla), and more generally the longitudinal continuity for fish species, it is necessary to avoid or at least reduce damages to fish passing through turbines. The best way to reduce fish mortality would be to install fish-friendly turbines, but it is not a cost-effective solution on existing installations and in the present state of the art their use is very limited in terms of head and discharge ranges. Transforming conventional intakes into socalled …

Session E8: Can We Measure Cumulative Effects Of Hydro-Power On Migratory Fish? Development Of A Cumulative Effects Model Framework, Iain Stewart-Russon, Simon Palmer, David Fraser

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

The Environment Agency provides guidance for run-of-river hydropower schemes in England, but concerns about small effects from multiple single schemes led to a project to determine how these can be assessed and to test an approach on migratory fish populations. We developed a model to assess the impact of multiple hydropower schemes. The model forecasts catchment-scale cumulative effects using three elements: hydropower scheme, spatial fish population and fish life cycle. The scheme element includes effects that are important to migratory fish and those that can be quantified. These are: 1) impediment to up- and downstream migration; 2) alleviation of …

Session D7: Entrance Arrangement Of Fishways – Interaction Of Entrance Location, Turbine Flow And Attraction Flow, Wolfgang Kampke

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

Besides passability the attraction of a fishway at the tailwater of a barrier with a hydropower plant is the most important criteria to ensure that a fishway is fully functional. The relevant national and international guidelines and regulations give recommendations regarding the position of the entrance or multiple entrances, the entrance geometry, the substrate connection and the attraction flow. Fishways currently planned at federal waterways in Germany, as well as existing structures have various types of entrance arrangements. Mainly three different types can be found that differ significantly in the entrance configuration but comply with the recommendations regarding attraction …

Session C7: Tricky Little Lampreys! Efficacy Of An Unmodified And Modified Super-Active Baffle Fish Pass For European River Lamprey (Lampetra Fluviatilis), Jeroen S. Tummers, Emily Winter, Sergio Silva, Pat O’Brien, Min-Ho Jang, Martyn C. Lucas

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

Achieving good upstream passage of lampreys, a threatened group of serpentine fishes, remains a problem. The ability of European river lamprey (Lampetra fluviatilis) to pass a Crump weir using a 15% gradient Larinier superactive baffle fish pass during their upstream spawning migration was tested. This type of fish pass has become widespread in Europe in the last two decades, but its efficiency for river lamprey is unknown. River lamprey were PIT tagged (n=350) PIT, a subsample were acoustic tagged (n=31), and all were released downstream in batches in Oct-Dec 2013. Telemetry arrays were installed in the pass (PIT) and …

Session C7: An Evaluation Of Eel Ladders As Traps For Migrating Sea Lampreys, Ulrich Reinhardt, Peter J. Hrodey, Scott Miehls

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

We tested if eel ladders with the right spacing of pegs on slanted ramps can selectively trap migrating sea lampreys. We compared entry of adult sea lampreys into eel ladder-style traps (ELST) with capture by funnel traps during three seasons in two Michigan rivers. Both funnel traps and ELST caught several thousand lampreys, but only the ELST perfectly retained trapped animals and had zero by-catch of finfish. Markrecapture experiments revealed significant trap happiness of ELST-caught lampreys. In one river, the ELST catch was strongly biased toward females. At the same site, the ELST caught lampreys with lower average weight …

Session D7: The Most Evaluated Fishway In Spain: A New Lesson Every Year, Francisco-Javier Sanz-Ronda, Francisco-Javier Bravo-Córdoba, Juan-Francisco Fuentes-Pérez, Jorge Ruiz-Legazpi

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

Salto de San Fernando” hydropower plant is placed at River Tormes, just upstream of Santa Teresa reservoir (Salamanca, Spain). The dam is 13 m high and it has a pool and weir with bottom orifice fish ladder to let potamodromous fish (Iberian barbel – Luciobarbus bocagei–, Nothern straightmouth nase –Pseudochondrostoma duriense– and brown trout –Salmo trutta–) overcome the obstacle. This fish ladder is being monitored since 2012: daily trapping and counting fish that reach the last pool; fish passage video recording through orifices and spillways; tagging fish (PIT, Tbar and others) and studying passage metrics (location, entrance, passage time, …

Session B7: Efficiency And Suitability Of The Fish Passage In River Ceyhan, Turkey, Ahmet Alp, Adil Akyuz, Mikail Ozcan

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

The efficiency of the 2 different fish passages in River Ceyhan, Turkey were investigated by trap catches, external tags, PIT telemetry and radio telemetry. Fish were caught by electrofishing downstream of the fish passage. They were marked with tags and released downstream of the fish passages. Automatic PIT-tag logging station and a trap were positioned at the upstream exit of the fish passage. Radio tagged fish were also tracked by a receiver and antenna, manually.

The pool type fish passages was ineffective because none of the fish were found in the trap and none of the 25 radio tagged …

Session D7: Is Cfd An Efficient Tool Ao Develop Pool Type Fishways?, Ana L. Quaresma, António N. Pinheiro

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

Rivers longitudinal connectivity is compromised by man-made obstacles, such as dams and weirs, which affect fish movements, leading to populations decrease and genetic deterioration. Properly designed fishways re-establish connectivity, allowing for fish migration. The aim of our work is to contribute to a more fast and efficient development of pool-type fishways using hydrodynamic modelling, based on fish behaviour experiments. Modelling free surface flows in hydraulic structures with complex geometry, like pooltype fishways, with aerated and complex flow patterns, represents a significant research challenge. Knowledge already acquired in an experimental full scale indoor pool-type fishway in previous studies is used. …

Session D7: Fishway With Two Entrance Locations: Understanding Its Importance For Iberian Barbel, Francisco J. Bravo-Córdoba, Francisco J. Sanz-Ronda, Juan F. Fuentes-Pérez, Jorge R. Legazpi, Victor M. Salgado-González, Ana G. Vega, Jorge V. Castro, Alberto P. Garrido

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract

In recent years, in the Iberian Peninsula, many fish passes have been built and improved. To ensure the proper operation of these, it is essential to carry out an evaluation and subsequent monitoring, considering both biologic and hydraulic aspects. We analyze the performance of Iberian barbel –Luciobarbus bocagei (Steindachner, 1864)– in a technical fishway: pool and weir, with bottom orifice. It is located in the Josefina hydropower plant (Duero River, Valladolid, Spain). Fish ladder has two fish entrances: one in the turbine outlet channel and another in the natural river course. Both the most relevant hydraulic values (flow, velocity, …

Session B7: Current Information Needs For Effective Fish Passage Management: Prioritization And Recent Developments, Leo Nagelkerke, Jóhannes Sturlaugsson

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

Migratory fish species form an essential part of the ecological quality of surface waters. The strong human influence on many water bodies in Europe has had detrimental effects on populations of migratory fish species, which have declined or even disappeared in many cases. Measures to restore migration often have, until now, a strong ad hoc character. Therefore there is need for a profound, integrative scientific approach, leading to a framework for analysing migration and the design of effective measures. We will present an agenda for the exchange and integration of knowledge among scientists and experts and for the development …

Session A7: Use Of Telemetry For Fish Ecological Survey In Europe, Beate Adam

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

In contrast to the US, Canada, and Scandinavian Countries there are few and infrequent ecological studies on fish conducted in Europe which use telemetry systems such as hydro-acoustic, radio, or PIT technology. The reason for the infrequent use of these technologies is mostly the high cost of the equipment and lack of experienced staff to operate it. Within the framework of this introductory talk there will be an exemplary selection of recently conducted telemetry studies in Europe that demonstrate the application possibilities of these technologies and resultant findings. Due to the amended European Animal Welfare Act (2014) there exist …

Concurrent Sessions B7: Fitfish: Current Information Needs For Effective Fish Passage Management, Leo Nagelkerke, Jóhannes Sturlaugsson

International Conference on Engineering and Ecohydrology for Fish Passage

No abstract provided.

Plenary Speaker: How To Master The Art Of Building Functional Fish Way, Beate Adam

International Conference on Engineering and Ecohydrology for Fish Passage

No abstract provided.

Plenary Speaker: Conciliating Fish Ecology And River Fragmentation In South American Large Rivers: Are Fish Passages Appropriate Tools?, Claudio Baigún

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract: South America, the most fluvial continent, is increasingly been impacted by river damming having dams construction expanded in last 50 years and fragmenting more than 3,000 km. At present, the upper Parana basin exhibits 130 dams higher than 10 m, but most of future planned dams will be located along the Amazon watershed. Although increasing attention and research efforts have been devoted to assess functioning of fish passage in South America, objectives and support for installation can differ among basins according to river ecological characteristics, conservation goals, fisheries demands, etc. A noticeable asymmetry still exists between salmonids and non-salmonids …

Session B6: Hydraulic Research On Fish Passage Design At Lock & Weir Sites, Klaas Pieter Visser, Peter Viaene

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

Both European and Belgian legislations aim at restoring and enhancing the ecological strength of the water systems. Besides improvement of water quality and protection through legislation, restoration of free fish migration on the rivers and main waterways. To solve the problem of the disruption of longitudinal habitat connectivity by manmade obstacles such as locks and weirs, fish passages are constructed. In close cooperation with the Institute for Nature and Forest Research (INBO) of the Flemish Government (hydraulic) research on fish passage design at weir-lock sites on Flemish rivers has been done since 1995 at Flanders Hydraulic Research (FHR). The …

Session A6: Timing, Frequency And Environmental Conditions Associated With Mainstem-Tributary Movement By A Lowland River Fish, Golden Perch, Wayne Koster, David Dawson

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

Tributary and mainstem connections represent important corridors for the movement of fish and other biota throughout river networks. We investigated the timing, frequency and environmental conditions associated with movements by adult golden perch (Macquaria ambigua) between the mainstem of the mid-Murray River and a tributary, the Goulburn River, in southeastern Australia, using acoustic telemetry over four years. Golden perch moved freely between mainstem and tributary habitats. The results of the study indicate that a spatially and temporally complex relationship between adult golden perch movement, river discharge and water temperature plays a key role in connecting mainstem and tributary populations …

Session D6: French R&D Program On «Eel And Dams» Related To Eu Regulation 1100/2007, Pierre Sagnes, Eric De Oliveira, Philippe Baran, Michel Larinier, Christian Rigaud, François Travade

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

The European eel stock collapsed in the 1980’s and is still declining gradually. The main causes of this decline are known: fishing, water and habitat quality, river fragmentation and hydropower plants (HPP) impacts. The European Union (EU) council established a management plan in 2004 and a regulation was initiated (European Regulation CE n°1100/2007) in September 2007 to improve the recovery of the European eel stock. To reach restoration goals, France is engaged in a management plan to act on each of the factors suspected to cause the decline of the species. Concerning the effects of river fragmentation and HPP, …

Session B6: Hydraulic Design Of An Innovative Baffle-Brush Type Fish Pass, Serhat Kucukali, Reinhard Hassinger, Werapol Bejranonda

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

The flow characteristics (depth, velocity, energy dissipation) of a new baffle-brush type fish pass were investigated experimentally in a 2 m wide rectangular flume which has a bed slope of 4% for discharges ranging between100-550 L/s. In all experiments quasi-uniform and subcritical flow conditions, Froude number ranging between 0.17-0.23, were observed. The Darcy-Weisbach friction factor was negatively correlated with the relative submergence of the baffle. The turbulence intensities were ranged between %38-79 in the baffle zone and %13-31 in the brush zone. The hydraulic test results showed that this type of fish pass can produce adequate flow depth and …

Session D6: Management And Research-Integrated Swedish Work On Best Available Techniques, Niklas Egriell

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

The presentation will give a view of the Swedish integrated work on finding the best available technique due to fish passages. This process includes a dialogue between managers, researchers and companies. The aim is to find the best techniques world wide and produce guidelines that can be used by companies, authorities and others in Sweden and maybe other countries (Norway is represented in the reference-group), working on developing the hydropower in an environmentally good manner. The presentation will give a wide brief of the difficulties and solutions due to legal requirements and implementations, targets on passage efficiency, prioritization etc.

Session D6: The Fish Migration Strategy On The Border Rivers Morava And Dyje – International Cooperation, David Veselý

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

The Morava River and the Thaya River forms the permeating axis of the Danube migrant fish species on the territory of the Czech Republic. Both rivers are a significant European migration routes. For this reason, these rivers are subject of intensive investment activities, conceptual studies and strategic migration plans. In both cases, these are border rivers, so there also takes place intensive cross-border international cooperation. There will be described the whole range of ongoing activities in our oral presentation. Then we will focused on detail of the project of ensuring migration of fish on the Thaya River in the …

Session C6: Does Yellow Eel Prefer Old Pool And Weir Or New Vertical Slot Fish Pass During Their Upstream Migration?, Billy N. Matondo, Armaud Dierckx, Jean-Philippe Benitez, Michael Ovidio

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

The hydroelectric dam of Lixhe in the River Meuse, 323km upstream from the North Sea at the entry of Belgium near the frontier with the Netherlands is equipped with two basin fish-passes: – the old pool-and-weir configuration (OFP) operates at low discharge (0.13m3/s) and – the new vertical-slot configuration (NFP) operating at high discharge (1m3/s) with attraction flow (1.5m3/s). However, the utilization rate of these fish-passes by the incoming yellow eels remains unknown, because the trap of NFP is not adapted to retain anguillids and small species. Yet, such knowledge is crucial to improve the inland colonization of the …

Session B6: The Baffle-Brush-Fishpass - A New Concept For Non-Selective Fishpasses, Reinhard Hassinger, Werapol Bejranonda

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

The baffle-brush-fishway combines the properties of a superactive baffle (Larinier) fishpass with the features of the brush-furnished fishway. Both types mark the extremes of the hydraulic spectrum in fishpasses. The baffle fishway exposes a high turbulence flow with a mean velocity around 1,1 m/s while the brush-type fishway provides a multiple-structured migration corridor with low velocities. A transition zone provides a continuous crossover of flow properties. Thus, any fish can choose a migration corridor which meats it's demands and abilities. The presentation explains the main features of this type and adresses basic hydraulic calculations such as rating curve, friction …

Session D6: Fishway Offsets: Significant Opportunities Challenged By Management Realities, Matthew Gordos

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

Water NSW is the primary bulk water supplier in New South Wales, Australia, managing water resources through the operation of over 300 dams, weirs and regulators. In the early 2000’s, dam safety upgrade works were identified at five (5) large dams owned by Water NSW’s to bring them in line with contemporary best practice. The dam safety upgrade works triggered the requirement for Water NSW to construct fishways at the dams under the NSW Fisheries Management Act 1994. Following the development of concept designs and costings for Keepit Dam, Water NSW estimated in 2009 that high level fishways at …

Session B6: Seeking Better Fishways: The Pump Fishway Program, John Harris, Bill Peirson, Lee Baumgartner, Brent Mefford, Richard Kingsford

International Conference on Engineering and Ecohydrology for Fish Passage

Abstract:

A surprising hiatus affects fish research and management. Those of us working in fish passage strive to move fish past barriers. Aquaculturists, on the other hand, move fish around fish farms safely and effectively. Marrying these two approaches presents an exciting opportunity for fishway development. Millions of fish-passage barriers remain in rivers globally, together with many under-performing and costly fishway investments, resulting in declining biodiversity and production of freshwater fish. Better approaches to fishway design are urgently needed to aid in halting this worldwide loss of connectivity.

Multidisciplinary work at UNSW Australia aims to refine and test a pump …