812347 Human impacts in riverine landscapes (in Eng.)

Art
Vorlesung
Semesterstunden
1.5
Vortragende/r (Mitwirkende/r)
Greimel, Franz , Hayes, Daniel S. , Schmutz, Stefan
Organisation
Angeboten im Semester
Wintersemester 2024/25
Unterrichts-/ Lehrsprachen
Englisch
Lehrinhalt

Current problems in applied fish ecology

- Discussion of impact models (e.g. drivers and pressures - DPSIR, cascade models)
- Overview of the status quo of running waters (global, EU/Alps, Austria)
- Overview of major human pressures/related impacts
- Discussion of different types of human impacts
- Discussion of case studies

TOPICS OF LECTURES

#1 - Introduction

#2 - Impacts due to hydro-power production (Hydro-power use: run-of-river-/diversion-/storage power plants; connectivity/fragmentation)

#3 - Impoundments & reservoir flushing (flow patterns, sediment transport etc.)

#4 - Residual flow/water abstraction (minimum flow requirements)

#5 - Hydropeaking (magnitude, frequency, duration, effects on hydro-morphology)

#6 - Morphological impacts (effects on physical environment, riverine habitats, floodplains, vegetation/land-use etc.)

#7 - Pollution (organic pollution, toxic substances etc.)

#8 - Land use change (forms of land use, nutrients etc.)

#9 - Multiple impacts (interactions of pressures etc.)
Inhaltliche Voraussetzungen (erwartete Kenntnisse)

Basic knowledge in hydrobiology & fish ecology
Lehrziel

• Classify different types of hydropower plants and explain their ecological impacts on up- and downstream ecosystems.
• Describe how hydropower, channelization, water pollution, land use change, and the combination of anthropogenic stressors impact rivers, particularly fish.
• Explain the current ecological state of European and Austrian rivers.
• Diagnose a river’s ecological state by assessing prevalent anthropogenic stressors in the river basin.
• Select a list of appropriate mitigation measures related to key stressors to restore river ecosystems.
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