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  • Decision Support System Steps
    ...ness) to identify priority hazards for further mitigation and the specific measures that may need improving. =DSS Step 3 - Risk-Based Identification of Appropriate Mitigation Measures and Synergistic Solutions=
    10 KB (1,542 words) - 11:53, 27 October 2020
  • Main Page
    ...use of existing and innovative technologies. It concentrates on mitigation measures and strategies to develop cost-efficient environmental solutions and on str ...ble to all possible sites, and often the solution will be a combination of measures.
    6 KB (824 words) - 15:08, 27 March 2023
  • Hydropower and policy
    ...ration of 'status' in a water body. Where this is not possible, mitigation measures should be applied. programme of measures to tackle significant pressures on water bodies, including among others tho
    26 KB (3,617 words) - 15:57, 11 August 2020
  • Habitat
    ...power operations impact rivers, and also in designing efficient mitigating measures. ...gating measures. In a process of finding the best single or combination of measures, an understand of the changes in flow introduced by the hydropower regulati
    4 KB (697 words) - 13:22, 27 October 2020
  • Decision support system
    ...and risk assess, those proposals whilst identifying appropriate mitigation measures to address the impact of both new and existing HPP schemes. The framework l ...assess those proposals and, additionally, identify appropriate mitigation measures to address the impact of an existing scheme or portfolio of existing scheme
    10 KB (1,468 words) - 11:57, 27 October 2020
  • Costs of solutions
    ...is to determine the financial costs of implementing ecological mitigation measures (solutions). During the project, costs associated with mitigation according ...res. The values should therefore be interpreted as the ranges of costs for measures, rather than precise costs. The range estimates are based on case studies f
    16 KB (2,008 words) - 14:06, 9 October 2020
  • Sediments
    ...calculated by measurements and modelling and be prevented with mitigation measures. ...so on ensuring sustainable management of hydropower reservoirs. Mitigation measures consist in 1) routing sediments through and around the reservoirs, 2) remov
    8 KB (1,067 words) - 14:10, 9 October 2020
  • Other measures to improve downstream fish migration
    ...ffboom.com). The solution can help to increase the effectiveness of other measures to promote migration. ...e in terms of species and sizes. Fish may also be accustomed to deterrence measures over time, so that they get lower efficiency.
    8 KB (1,232 words) - 14:21, 21 January 2020
  • Cumulative impact assessment
    *ABUNDANCE -measures of potential for biological productivity *DISTRIBUTION – measures of capacity to shift
    7 KB (951 words) - 10:53, 26 October 2020
  • Sensory, behavioural barriers (electricity, light, sound, air-water curtains)
    ...e in terms of species and sizes. Fish may also be accustomed to deterrence measures over time, so that they get lower efficiency. Attraction and repulsion measures are installed in collaboration between fish migration experts and product s
    5 KB (663 words) - 10:02, 26 October 2020
  • EU policies
    ...ration of 'status' in a water body. Where this is not possible, mitigation measures should be applied. programme of measures to tackle significant pressures on water bodies, including among others tho
    9 KB (1,353 words) - 15:52, 11 August 2020
  • Mitigating rapid, short-term variations in flow (hydro-peaking operations)
    ...r system downstream the outlet of the hydropower plant, and iii) technical measures directly on the power plant/infrastructure, i.e. a technical setup that all The measures presented in the following are all related to changes in flow.
    5 KB (724 words) - 10:03, 26 October 2020
  • Minimizing sediment arrival to reservoir
    ...of sediments in water can be implemented to improve fish habitat quality. Measures consisting in reducing the amount of sediments entering the reservoir have ...of the different measures can be simulated to estimate the impacts of the measures on sediment yield reduction. Numerical model, integrating land-use and stru
    5 KB (670 words) - 10:03, 26 October 2020
  • Mitigation requirements for hydropower plants
    When planning mitigation measures for new or existing hydropower plants, the mitigation requirements based on ...specific technical and hydraulic requirements for upstream fish migration measures.
    6 KB (786 words) - 14:49, 14 September 2020
  • Construction of a 'river-in-the-river'
    ...stream course and introducing alternate reaches of riffles and pools. Such measures are named "a river in the river". Current deflectors, groynes, rocks and ot Habitat measures in regulated rivers must often be maintained unless the natural functions r
    4 KB (648 words) - 10:04, 26 October 2020
  • Downstream fish migration
    =Downstream fish migration measures= The various measures to mitigate issues concerning downstream fish migration are listed below.
    5 KB (718 words) - 12:33, 26 October 2020
  • Mitigating reduced annual flow and low flow measures
    {{Suitable MTDs for Mitigating reduced annual flow and low flow measures}}
    7 KB (1,131 words) - 10:05, 26 October 2020
  • Placement of spawning gravel in the river
    Habitat measures in regulated rivers must often be maintained unless the natural functions r Habitat measures in regulated rivers must often be maintained unless the natural functions r
    11 KB (1,652 words) - 11:45, 16 March 2021
  • Removal of weirs
    The perceptions on use of weirs as measures to reduce impacts have now changed, as they represent a shift in types of h ...hysical construction. The removal of the weir should be followed up by new measures, which could be to develop a 'river-in-the-river', re-placement of substrat
    5 KB (776 words) - 10:04, 26 October 2020
  • Environmental flow
    ...ectly affected by the changes in the water flow regime. The functioning of measures presented in this report are also directly dependent on the availability of =Environmental flow measures=
    3 KB (410 words) - 20:07, 5 May 2020
  • Fish refuge under hydropeaking conditions
    ...the impacts of hydropeaking in flume conditions and to propose mitigation measures accordingly. Adapted from Costa et al. (2019).]] ...ure the utility of the structures as flow-refuges for fish. The mitigation measures here presented are lateral refuges, specifically lateral deflectors and ove
    14 KB (1,950 words) - 10:03, 26 October 2020
  • Cleaning of substrate - ripping, ploughing and flushing
    ...s the areas and qualities of spawning areas and shelter, and the effect of measures. Habitat measures to clean the substrate would need to be repeated unless the natural sedimen
    6 KB (921 words) - 10:04, 26 October 2020
  • Altheim test case
    ...relevant for further decisions on the implementation of upstream migration measures. To evaluate the potential ecological value of the measures, five habitat structures were selected and examined by using the underwater
    9 KB (1,512 words) - 14:02, 21 October 2020
  • Bannwil test case
    ...he river water temperature. The river has a moderate ecological potential. Measures for sediment control, fish migration, flow changes, habitat in-channel and There is no specific measures implemented at HPP Bannwil. Fish can pass through the turbines and/or over
    7 KB (1,105 words) - 14:03, 8 June 2021
  • Placement of stones in the river
    Habitat measures in regulated rivers must often be maintained unless the natural functions r [[category:Habitat measures]][[Category:Sediment measures]][[category:Solutions]]
    6 KB (973 words) - 10:03, 26 October 2020
  • Off-channel reservoir storage
    Off-channel reservoirs, like sediment bypasses, are measures which aim at routing bed-load and part of the suspended sediment load throu ...e relatively high investments costs. They are part of the large structural measures to insure sediment continuity, requiring months to years for implementation
    4 KB (563 words) - 10:03, 26 October 2020
  • Migration barrier removal
    ...ve the required understanding of the planning documents and purpose of the measures Physical habitat measures in regulated rivers must often be maintained to ensure that functions relat
    4 KB (525 words) - 10:03, 26 October 2020
  • Complete or partial migration barrier removal
    ...ve the required understanding of the planning documents and purpose of the measures Physical habitat measures in regulated rivers must often be maintained to ensure that functions relat
    3 KB (477 words) - 10:00, 26 October 2020
  • Nature-like fishways
    ...ve the required understanding of the planning documents and purpose of the measures. Physical habitat measures in regulated rivers must often be maintained to ensure that functions relat
    7 KB (1,106 words) - 10:01, 26 October 2020
  • Mitigating reduced flood peaks, magnitudes, and frequency
    ...out finer sediment fractions. In later sections of this document, habitat measures to refresh the substrate have been described, which will reinstate the natu ...ory:Solutions]][[Category:Environmental flow measures]][[Category:Sediment measures]]
    5 KB (814 words) - 10:03, 26 October 2020
  • Radio frequency identification with passive integrated transponder (PIT tagging)
    ...ficiency of upstream and downstream migration devices and other mitigation measures on habitat. =Relevant mitigation measures and test cases=
    5 KB (790 words) - 14:11, 1 June 2020
  • CASiMiR
    ...tware package with different modules aiming to assess the impacts of human measures on river ecology. =Relevant mitigation measures and test cases=
    5 KB (746 words) - 13:58, 6 July 2020
  • Operational measures (turbine operations, spillway passage)
    {{Suitable MTDs for Operational measures (turbine operations, spillway passage)}} {{Operational measures (turbine operations, spillway passage)}}
    4 KB (569 words) - 10:03, 26 October 2020
  • Bedload monitoring system
    ...of an additional accelerometer sensor, given that appropriate calibration measures are taken. =Relevant mitigation measures and test cases=
    7 KB (1,106 words) - 11:57, 30 September 2020
  • Differential pressure sensor base artificial lateral line probe, iRon
    ...sure sensors. It consists of a 0.22 m long NACA025 streamlined body, which measures the pressure gradients simultaneously using six differential pressure senso =Relevant mitigation measures and test cases=
    7 KB (952 words) - 13:04, 30 September 2020
  • Guidelines for fishpasses numerical modelling
    ...the modelled value. The measurement was performed with a propeller, which measures the velocity component along its axis. Thus, a tilting of the instrument wh =Relevant mitigation measures and test cases=
    19 KB (2,810 words) - 08:47, 12 October 2020
  • LiDAR
    Lidar is a measurement technique that measures the distance from a georeferenced laser sensor to a ground target by illumi =Relevant mitigation measures and test cases=
    8 KB (1,122 words) - 14:27, 1 October 2020
  • Fish Protection System (induced drift application)
    ...screening or bypass systems, no specific water losses occur or maintenance measures are required. Constructional efforts are very limited and therefore the IDA =Relevant mitigation measures and test cases=
    3 KB (481 words) - 14:43, 9 October 2020
  • Hydropeaking indicator
    ...march to mid-june); effect of the progressive implementation of mitigation measures since 2001 (source: [2]).]] =Relevant mitigation measures and test cases=
    5 KB (747 words) - 20:08, 27 September 2020
  • Hydropeaking tool
    =Relevant mitigation measures and test cases= {{Suitable measures for Hydropeaking tool}}
    4 KB (541 words) - 13:24, 2 December 2020
  • Sediment simulation in intakes with Multiblock option (SSIIM)
    =Relevant mitigation measures and test cases= {{Suitable measures for Sediment simulation in intakes with Multiblock option (SSIIM)}}
    3 KB (502 words) - 14:23, 1 June 2020
  • Construction of off-channel habitats
    Habitat measures in regulated rivers must often be maintained unless the natural functions r [[category:Solutions]][[category:Habitat measures]]
    3 KB (515 words) - 10:04, 26 October 2020
  • Solutions, methods, tools, and devices
    ...blem that causes harm to the fish population. Further, suitable mitigation measures must be selected, planned, implemented and maintained. Methods, tools and d ...sometimes they are also similar. Some MTDs are used for several mitigation measures.
    2 KB (256 words) - 09:21, 14 April 2021
  • Freudenau test case
    ...iameter of 7.5 m the turbines rank among the biggest in Europe. Ecological measures include the water supply to the New and Old Danube, new biotopes, and an ec ...for designation as HMWB ((heavily modified waterbody) are manifold and any measures to reach the good ecological status have significant adverse effects on hyd
    12 KB (1,913 words) - 13:03, 27 October 2020
  • Schiffmühle test case
    ...odified water body. The river has a moderate ecological potential. Various measures for sediment control, fish migration, flow changes, habitat in-channel and
    9 KB (1,372 words) - 15:44, 30 September 2020
  • Placement of dead wood and debris
    ...on of dead wood should be considered introduced, on equal basis with other measures mitigating the same problem. If the conveyance capacity is critical, the ef [[category:Habitat measures]][[category:Solutions]]
    3 KB (455 words) - 10:03, 26 October 2020
  • Anundsjö test case
    ...P Anundsjö is how FIThydro can improve the situation for fish by different measures and means around the HPP. This includes the situation for the salmon smolt, ...y of Örnsköldsvik (INBO). Scenario modelling applying different mitigation measures in a Bayesian network have been applied to show cost-effective ways of miti
    8 KB (1,329 words) - 12:46, 26 October 2020
  • Shaft hydropower plant
    =Relevant mitigation measures and test cases= {{Suitable measures for Shaft hydropower plant}}
    6 KB (886 words) - 14:59, 9 October 2020
  • Mechanical removal of fine sediments (dredging)
    ...to the river bank and adapted movements around the removal site are simple measures to integrate to the overall planning of fine sediments dredging. [[category:Sediment measures]][[category:Solutions]]
    2 KB (373 words) - 10:03, 26 October 2020
  • Upstream fish migration
    =Upstream fish migration measures= The various measures to mitigate issues concerning Upstream fish migration are listed below.
    3 KB (502 words) - 10:11, 26 October 2020

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