Connections between microhabitat factors and dimensions of brown trout (Salmo trutta) redds

This study is part of a process of habitat restoration and management of Finnish and Swedish rivers. This study was conducted to analyse detailed and generalised data regarding microhabitat factors and dimensions of spawning redd of brown trout (salmo trutta). The objectives of this study were to an...

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Main Author: Atique, Faiqa
Other Authors: Matemaattis-luonnontieteellinen tiedekunta, Faculty of Sciences, Bio- ja ympäristötieteiden laitos, Department of Biological and Environmental Science, University of Jyväskylä, Jyväskylän yliopisto
Format: Master's thesis
Language:eng
Published: 2017
Subjects:
Online Access: https://jyx.jyu.fi/handle/123456789/54408
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author Atique, Faiqa
author2 Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Bio- ja ympäristötieteiden laitos Department of Biological and Environmental Science University of Jyväskylä Jyväskylän yliopisto
author_facet Atique, Faiqa Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Bio- ja ympäristötieteiden laitos Department of Biological and Environmental Science University of Jyväskylä Jyväskylän yliopisto Atique, Faiqa Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Bio- ja ympäristötieteiden laitos Department of Biological and Environmental Science University of Jyväskylä Jyväskylän yliopisto
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description This study is part of a process of habitat restoration and management of Finnish and Swedish rivers. This study was conducted to analyse detailed and generalised data regarding microhabitat factors and dimensions of spawning redd of brown trout (salmo trutta). The objectives of this study were to analyse connections between redd dimensions, connections between redd length and microhabitat factors and to analyse the variability of redd length and microhabitat factors among catchments in order to understand spawning habitat selectivity of brown trout (salmo trutta). The study shows that the redd dimensions are positively and strongly correlated. Redd length is weakly correlated to microhabitat factors: Redd length correlates positively to dominate and sub dominate particle size category in pot but does not correlate with dominate particle size category upstream from pot. Microhabitat is catchment specific. If I assume redd length as a proxy of fish size it can be speculate that not only fish size influence fish choice for spawning microhabitat but also other factors are involved. Modeling regarding redd dimensions and spawning microhabitat factors can be helpful to improve strategies for habitats restoration process.  
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spellingShingle Atique, Faiqa Connections between microhabitat factors and dimensions of brown trout (Salmo trutta) redds Connection microhabitat selection redd dimensions salmo trutta spawning habitat variation among catchments. Akvaattiset tieteet Aquatic sciences 4012 habitaatti taimen valuma-alueet
title Connections between microhabitat factors and dimensions of brown trout (Salmo trutta) redds
title_full Connections between microhabitat factors and dimensions of brown trout (Salmo trutta) redds
title_fullStr Connections between microhabitat factors and dimensions of brown trout (Salmo trutta) redds Connections between microhabitat factors and dimensions of brown trout (Salmo trutta) redds
title_full_unstemmed Connections between microhabitat factors and dimensions of brown trout (Salmo trutta) redds Connections between microhabitat factors and dimensions of brown trout (Salmo trutta) redds
title_short Connections between microhabitat factors and dimensions of brown trout (Salmo trutta) redds
title_sort connections between microhabitat factors and dimensions of brown trout salmo trutta redds
title_txtP Connections between microhabitat factors and dimensions of brown trout (Salmo trutta) redds
topic Connection microhabitat selection redd dimensions salmo trutta spawning habitat variation among catchments. Akvaattiset tieteet Aquatic sciences 4012 habitaatti taimen valuma-alueet
topic_facet 4012 Akvaattiset tieteet Aquatic sciences Connection habitaatti microhabitat selection redd dimensions salmo trutta spawning habitat taimen valuma-alueet variation among catchments.
url https://jyx.jyu.fi/handle/123456789/54408 http://www.urn.fi/URN:NBN:fi:jyu-201706112781
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