Essays about: "trutta"
Showing result 1 - 5 of 50 essays containing the word trutta.
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1. MODELLING THE SMOLT PRODUCTIVITY OF BROWN TROUT (SALMO TRUTTA) IN HAGA Å
University essay from Göteborgs universitet / Instiutionen för biologi och miljövetenskapAbstract : The brown trout (Salmo trutta) is a facultatively anadromous species, some individuals migrate from the rearing environment in the rivers to the sea while other individuals stay in fresh water. To determine the suitability of a stream for juvenile trout the organization SGBALANST has developed what is called the "Trout habitat score" (THS) model. READ MORE
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2. Evaluating the effects of climate change on Arctic char : including impacts of brown trout competition
University essay from SLU/Dept. of Wildlife, Fish and Environmental StudiesAbstract : Climate change is predicted to increase the average global temperature with 1.5 °C between 2030 and 2052. The areas that are most vulnerable for climate change are the arctic regions. Arctic char (Salvelinus alpinus) is a cold-water salmonid species with the most northern distribution of all freshwater fish species. READ MORE
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3. Effects of summer peaks on brown trout and Atlantic salmon growth and survival in hydropower-regulated Gullspång River
University essay from Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)Abstract : Daily demands for electrical power are met through sub-daily release of turbined water in the form of hydropeaking. Hydropeaking’s changes to stream flow are listed as a threat to biodiversity in river ecosystems as it causes rapid habitat alteration such as increased depth and velocity, affecting the species living downstream. READ MORE
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4. Optimal Discharge from a Hydropower Plant for Fish Reproduction: An Aquatic Habitat Model
University essay from Lunds universitet/Avdelningen för Teknisk vattenresursläraAbstract : Hydropower is the dominant source of electricity in Sweden, constituting 45% of the national supply. While pivotal for decarbonization and climate goals, its environmental impact on freshwater biodiversity is concerning. READ MORE
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5. Evaluation of restoration efforts in Dalälven - conditions for survival rate of Salmo trutta and Salmo salar
University essay from Uppsala universitet/Institutionen för biologisk grundutbildningAbstract : 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