Essays about: "fish migration"

Showing result 1 - 5 of 60 essays containing the words fish migration.

1. 1. Adaptive Fishway Design : Designing a Bypass Channel to Fit Large Discharge Fluctuations

   University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

   Author : Melina Sattelmeier; [2023]
   Keywords : ;

   Abstract : Especially with regard to achieving the goals of the European Water Framework Directive, the construction of fishways is becoming more prominent in Sweden's hydraulic engineering sector. Particularly the importance of nature-like bypass channels is increasing, being the type of fishway that is currently implemented in most cases of small scale hydropower. READ MORE

3. 2. The climate impact of fishways : A life cycle assessment of Blyberg’s and Spjutmo’s up- and downstream fishways

   University essay from Linköpings universitet/Industriell miljöteknik

   Author : Ellen Lundin; Lovisa Liljenberg; [2023]
   Keywords : LCA; life cycle analysis; life cycle assessment; fishways; fish; fish migration; climate impact; technical fishways; co2 equivalents; co2 eq; hydro power; HPP; Sweden; construction; concrete; reinforcement steel;

   Abstract : The Swedish national plan for reapproval of hydropower describes that hydropower plants (HPPs) are required to be reassessed to ensure that modern environmental conditions are set for the permits. Since dams and HPPs create barriers for migrating fish and consequently disfavor biological diversity, one consequence of the national plan is that fishways are being constructed. READ MORE

4. 3. Fish Friendly Turbines forDownstream Migration : Literature review and case studies

   University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

   Author : Signe Rosenblad; [2023]
   Keywords : Downstream passage solutions; downstream migration of fish; small-scale hydropower; eel; trout; Nedströms passagelösningar; nedströms vandring av fisk; småskalig vattenkraft; ål; öring;

   Abstract : As the energy consumption is constantly increasing, the demand of renewable energy is increasing too. Thirtythree percent of the renewable energy production in Europe constitutes of hydropower. Hydropower is animportant energy source as it has stabilizing and storing functions, but it heavily affects biodiversity. READ MORE

5. 4. Evaluation of restoration efforts in Dalälven - conditions for survival rate of Salmo trutta and Salmo salar

   University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

   Author : Ville Svärd; [2023]
   Keywords : Restoration; river; salmonids; benthic fauna;

   Abstract : Rivers are among the most anthropogenically affected ecosystems in the world by irrigation, transportation, channelizing, and hydropower. Habitat restorations have become a popular method to restore the heterogeneity and complexity of rivers aiming for improvement of biodiversity. READ MORE

6. 5. Evaluating the feasibility of implementing ecological flows at Fridafors Hydropower plant

   University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

   Author : Michelle Eriksson; [2023]
   Keywords : ;

   Abstract : Sweden’s almost 2200 hydropower plants and their attached dams are going to be re-licensed with regards to the new environmental legislations made by the government and EU’s water framework directive. As a solution to restore and improve the health of the Swedish riverine systems, a number of different mitigation measures are suggested. READ MORE