Essays about: "brown trout"
Showing result 1 - 5 of 45 essays containing the words brown trout.
-
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
-
2. A parasitic bivalve affects the interaction between a native and an invasive salmonid
University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskapAbstract : The glochidia larvae of the freshwater pear mussel parasitize on juvenile brown trout during their maturation into tiny mussels. The parasitation has several negative impacts on the trout, one of the less studied being behavioral effects. READ MORE
-
3. 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
-
4. 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
-
5. Diet of Arctic char and brown trout in Northern Sweden : potential effects of burbot and lake area
University essay from SLU/Dept. of Wildlife, Fish and Environmental StudiesAbstract : To manage and conserve different fish species, it is important to know what factors affect the presence and performance of the species. Relatively few studies have focused on burbot and how they interact with other species. READ MORE