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Martin Schletterer

Martin Schletterer
TIWAG - Tiroler Wasserkraft AG, Austria, Innsbruck

Priv.-Doz. Dr.

About

97
Publications
17,373
Reads
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522
Citations
Citations since 2016
72 Research Items
427 Citations
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2016201720182019202020212022020406080100120140
2016201720182019202020212022020406080100120140
2016201720182019202020212022020406080100120140

Publications

Publications (97)
Article
Research on hydropeaking in Austria started in the 1990s and the implementation of the WFD stipulated large research projects since the year 2009. The first research projects supported the process understanding and in a second investigation step, measures were evaluated. The mountains in the region of Tyrol create large heads and thus support the p...
Book
Full-text available
This document aims to establish a common understanding on the role of sediment in achieving the objectives of the Water Framework Directive, and to provide guidance on how to address pressures on sediment quantity and sediment contamination, in the context of the River Basin Management Plans, and also other policies’ planning instruments. It covers...
Article
Springs are important habitats and determine the characteristics of headwater streams. However, they are rarely studied and usually not included in monitoring programs. Our study characterizes the sources of three large rivers and contributes to the knowledge about the biggest East European drainage divide. The catchment area is characterized by de...
Book
This open access book presents (selected) new and innovative developments for sustainable and fish-friendly hydropower. It offers unique insights into the challenges, practices and policies of hydropower developments across 8 European countries, providing examples from on-site studies and European-wide analyses. The case studies throughout the book...
Chapter
Full-text available
The Upper Inn River is affected by hydropeaking. To mitigate hydropeaking impacts between the villages Ovella and Prutz the diversion hydropower plant GKI has been designed to buffer fast flow changes and divert water into a bypass tunnel. This Testcase enabled the comparison between the impacted and mitigated situation. We exemplify the applicatio...
Conference Paper
The RETERO project aims to reduce live fish experiments for the physical evaluation of injury and mortality risks during downstream passage through turbines, weirs or bypasses and to improve the predictions of numerical models. The focus of this presentation is on the design of a new “backpack sensor” for downstream passage studies which does not u...
Article
Full-text available
River alterations for natural hazard mitigation and land reclamation result in habitat decline and fragmentation for riparian plant species. Extreme events such as floods are responsible for additional local species loss or population decline. Tributaries might provide refugia and subsequent source populations for the colonization of downstream sit...
Book
Full-text available
Rivers of Europe, Second Edition, presents the latest update on the only primary source of complete and comparative baseline data on the biological and hydrological characteristics of more than 180 of the highest profile rivers in Europe. With even more full-color photographs and maps, the book includes conservation information on current patterns...
Chapter
The four major rivers that flow into the eastern Baltic Sea (the Vistula, the Nemunas, the Western Dvina, and the Narva) are described. All of these are lowland rivers. Most of the Vistula catchment is located in Poland, the Nemunas catchment—mainly in Belarus and Lithuania, the Western Dvina catchment—mainly in Russia, Belarus, and Latvia, and the...
Article
Full-text available
• Nymphs of all 29 described Prosopistoma species share a conspicuous synapomorphy: a round mesonotal shield, the carapace. They occur in the Palaearctic (nine species), the Oriental (12 species) and the Afrotropic as well as Australian regions (six and two species, respectively). Relatively little is known about their ecology, but past and extant...
Chapter
Full-text available
This chapter contains a comprehensive description of the Volga River, the largest river in Europe, and its main tributaries, the Kama, Oka, Sheksna. It starts with a review of human history and biogeographical setting including paleogeography of the basin, as well as description of physiography and climate, and features of hydrological and biogeoch...
Article
Fish are some of the most threatened vertebrates in the world due to their often-sensitive response to environmental changes. Major land-use changes in the European Alps have direct and indirect impacts on fish communities, and these impacts are expected to increase in the future. Therefore, the identification of factors that are associated with th...
Article
Full-text available
This article highlights the importance of integrative water management in the Ob catchment. The Trans-Siberian Railway, which crosses the Ob near Novosibirsk, is part of one of the most innovative infrastructure projects of the 21st century, the Breitspur-project. The hydropower plant on the Ob near Novosibirsk exemplifies the multi-purpose use of...
Article
Full-text available
The Yenisei is an impressive river system. It drains into the Kara Sea with an average annual discharge of 673 km³ and thus represents the largest Arctic river. The three hydropower plants on the Yenisei have an installed capacity of 12 721 MW and along the major tributary Angara, the four HPPs of the Angara cascade 11 999 MW. Thus, in the Yenisei...
Conference Paper
Full-text available
The rare mayfly Prosopistoma pennigerum was once widely distributed across Europe and occurred virtually in every large river. Today, it holds fast against the ever-growing destruction of its habitat with a few relic populations remaining. Preliminary data and information on its congeners suggest that free-flowing rivers with near-natural hydrodyna...
Article
Full-text available
The species composition of a community is driven by the dispersal capacity of the species forming that community and their ecological niche. While the ecological niches of EPTs (Ephemeroptera, Plecoptera and Trichoptera) are well-studied due to their wide use as indicators for the ecological status of freshwater ecosystems, their dispersal capacity...
Article
Full-text available
Translocations are applied in the context of infrastructure projects to preserve certain vegetation types. Within the EIA of a large hydropower project in the Austrian Alps, manifold mitigation measures were defined. Among those, the transplantation of about 1.4 ha Carex -fen at an altitude of about 2000 m was defined. One year before the start of...
Article
Hydropeaking is an anthropogenic regime that results from the strong flow variations in the receiving waters of storage hydropower plants. These variations are due to flexible energy production, i.e. the sudden increase of electricity demands or from its decrease, affecting the fish assemblages of that river stretch. We evaluated the mitigation pot...
Article
Full-text available
The present case study deals with a controlled drawdown beyond the operational level of the Gepatsch reservoir (Austria). Based on the awareness of potential ecological consequences, an advanced set of measures was conducted and an integrative monitoring design was implemented. This pre-and post-event monitoring included measurements regarding the...
Article
Full-text available
For Europe, a reduction of 80% of the potential storage volume due to reservoir sedimentation is predicted by 2080. Sedimentation processes trigger the decrease of the storage volume and a related restriction in hydropower production. Further, the artificial downstream flushing of deposited fines has manifold effects on the aquatic ecology, includi...
Article
Full-text available
Zusammenfassung Hydroakustik, das heißt der Einsatz von Echoloten und Sonaren, ist in Binnengewässern eine etablierte Methode. Je nach Fragestellung kommen verschiedene System zum Einsatz: (1) Das Single-beam-Echolot ist grundsätzlich ein klassischer „Fischfinder“. (2) Das Dual-beam-Echolot kombiniert hohe und niedere Frequenzbereiche. (3) Bei Spli...
Article
Full-text available
Biodiversity monitoring via environmental DNA, particularly metabarcoding, is evolving into a powerful assessment tool for riverine systems. However, for metabarcoding to be fully integrated into standardized monitoring programmes, some current challenges concerning sampling design, laboratory workflow, and data analysis need to be overcome. Here,...
Article
Zusammenfassung In den letzten Jahren wurden vermehrt DNA-basierte Methoden zur Unterstützung konventioneller Ansätze von Biodiversitätserhebungen vorgeschlagen. Hierbei wird der Verwendung von Umwelt-DNA (oder environmental DNA – eDNA) ein besonders großes Potenzial zur Verbesserung von Biomonitorings zugeschrieben. Anhand von eDNA kann man mittel...
Article
Full-text available
A recent eDNA-metabarcoding study assessing fish diversity in the Upper Volga catchment did not detect sterlet at any of the sampled stretches, despite recent sightings that suggest its presence. We designed a TaqMan qPCR protocol to test for sterlet in selected eDNA samples from that study. In-silico and in-vitro tests confirm the protocol’s high...
Article
Full-text available
The headwaters of the Volga River exhibit large reaches with near‐pristine conditions, and therefore long‐term biodiversity monitoring of this catchment can provide rare and valuable information on a European lowland river. More specifically, freshwater fish species assemblages are a good indicator of ecosystem status, as they are particularly sens...
Article
Hydroelectric power plants managed in response to sub-daily changes of the electricity market undergo rapid variations of turbine discharge, entailing quickly fluctuating water levels downstream. This operation regime, called hydropeaking, causes numerous adverse impacts on river ecosystems. The hydrological alterations which affect hydropeaking ri...
Article
Full-text available
The spatial distribution of fish upstream of a vertical trash rack was investigated at the hydropower plant Kirchbichl in the alpine River Inn (Tyrol, Austria). The objective of the research project “FIDET” was to establish a non-invasive methodology to study fish presence and flow characteristics at large hydro power sites. A new monitoring approa...
Article
Within the implementation of the EU water framework directive, creating longitudinal connection is a proper task. Currently several monitoring devices and methods for monitoring fish migration in fish passes exist. Many of them are still lacking detailed conclusions on migration behaviour (fish trap: temporal resolution) or require an immense expen...
Conference Paper
Full-text available
Upstream fish passage around instream barriers is typically facilitated by the installation of fishway structures. However, at some locations it is necessary to install fish lifts, which directly transport the fish vertically over and around the barrier. In this work, we report biological observations from the fish lift Runserau on the River Inn in...
Article
Full-text available
The cover image, by Minh Tuan Bui et al., is based on the Research Article Water temperatures in the headwaters of the Volga River: Trend analyses, possible future changes, and implications for a pan‐European perspective, https://doi.org/10.1002/rra.3275. Acknowledgements: REFCOND_VOLGA project. Photo credit: Martin Schletterer.
Article
Full-text available
Globally, multiple stressors acting on large rivers strongly influence their ecosystem functions. They do so by altering both their biodiversity and integrity, which may in turn degrade the available ecosystem services. We present the catchment characteristics and discuss different management strategies for the two longest European rivers, the Volg...
Data
User Guide for MATLAB code and link to all measurement data: https://github.com/jtuhtan/hydro-sig
Article
Water temperature is a physical property influencing abiotic and biotic parameters in an aquatic ecosystem. In different Central European rivers and lakes, a general trend of water temperatures in the range of +0.05 to +0.8 °C per decade was identified. Our case study analyses whether similar patterns apply to the headwaters of the Volga River, in...
Presentation
Full-text available
Unmanned aerial vehicles (UAVs) have become a state-of-the-art remote sensing tool for the geosciences. Commercial systems are largely autonomous and provide high resolution imagery at low cost. UAV-based imagery provides an efficient and effective means for the collection of environmental intelligence data. Due to advancements in small-scale digit...
Article
The lateral line system provides fish with advanced mechanoreception over a wide range of flow conditions. Inspired by the abilities of their biological counterparts, artificial lateral lines have been developed and tested exclusively under laboratory settings. Motivated by the lack of flow measurements taken in the field which consider fluid-body...
Article
The Volga is the longest river in Europe and 16th longest in the world. The riverine landscape of the Volga is of exceptional scientific and economic importance to Russia; the basin contains approximately 40% of the Russian population and relates to 45% of the country's industrial and agricultural produce. The Volga River drains an area of 1.4 mill...
Article
Full-text available
Genetic based tools can be used to answer applied questions in fisheries management and conservation. We present two such applications: (1) a population genetic analysis and (2) environmental DNA (eDNA) used to non-invasively detect the presence of species. In the first study, we confirmed that brown trout in Gossenköllesee represent one of very fe...
Article
Full-text available
Downstream fish migration in middle-sized rivers in Austria. Questions concerning the impact of hydropower plants on downstream migration of fish have traditionally focused on diadromous species and are gaining importance worldwide. In Europe, in this regard mainly studies have been performed considering Atlantic Salmon and European Eel, whereas e...
Article
Full-text available
Measures to protect fish populations – The point of view of operators of large hydropower plants For medium and large hydropower plants, no industry standard regarding fish protection and downstream migration is currently available. Technical measures are usually associated with unpredictable risks and high costs. At the same time, alternative opti...
Chapter
Seit 2011 wurden durch die EnBW in Zusammenarbeit mit dem Institut für Umwelt studien Versuche zum Scheuchen und Leiten von Fisch en mit elektrischem Strom durchgeführt. Dabei wurde neben der Barrierewirkung von elektrischen Feldern auch die Möglichkeit zum Stoppen und Leiten von Fisch en entlang elektrifizierter Rechenanlagen untersucht. Die Versu...
Chapter
Die Herstellung der ökologischen Durchgängigkeit war Auflage der Genehmigungsbehörde für den Weiterbetrieb der Kraftwerke Höllenstein und Pulling am Schwarzen Regen im Bayerischen Wald. Der Betreiber, die Kraftwerk am Höllenstein AG, entwickelte für die Talsperre Höllenstein eine neuartige Druckkammerfischschleuse mit energetischer Nutzung. Dadurch...
Article
Within the research project FIDET, echosounders and sonars are used to detect fishes upstream a large hydro-power plant (catchment area 9 310 km², MQ = 293 m³/s, MJHQ = 1 187 m³/s) in the River Inn (Tyrol, Austria) and assess their behaviour close to the trash rack on an individual scale. Among the general examination of methodical aspects, the res...
Article
Full-text available
Within the joint Russian-Austrian monitoring programme “REFCOND_VOLGA (2006 – 20XX)”, monitoring sites were established in the headwaters of the Volga (Tver Region). River Tudovka, a right tributary to the Volga River, was included within this monitoring programme as its catchment is partly protected and has only few anthropogenic activities. The m...
Article
Full-text available
Digital terrain models (DTM) were produced with the structure from motion (SfM) technique, using data from high resolution terrestrial photography. In addition 360-degree spheres were created from ground taken photos. These spheres allow capturing the environment at this moment and coming back to the environment virtually later on. Also overlapping...
Article
Full-text available
Questions concerning the impact of hydropower plants on downstream migration offish have traditionally focused on diadromous species and are gaining importance worldwide. In Europe, in this regard mainly studies have been performed considering Atlantic Salmon and European Eel, whereas e.g. the potential effects on native potamodromous freshwater fi...
Article
Within the research project FIDET, imaging-sonars have been used at the trash rack of a large hydro-power plant in operation mode (catchment area 9 310 km², MQ = 293 m³/s, MJHQ = 1 187 m³/s) in the River Inn (Tyrol, Austria). Temporal and spatial distributions of fishes were assessed with respect to flow rates and turbulence close to the rack. The...
Article
p>The European Water Framework Directive (WFD) became a major tool in European water policy. All the member states had to develop River Basin Management Plans (RBMPs). Austria’s first National Water Resource Management Plan was published in 2009 and describes measures to be set. Depending on the catchment size, ecological targets were defined on wa...
Article
p>Within the research expedition “Upper Volga 2005” an assessment of hydrological, limnochemical and biological parameters was carried out in the Volga River upstream of Tver, including the main channel as well as major tributaries. This assessment revealed that the headwaters of the Volga River represent conditions which are either reference or le...
Article
Prosopistomatidae are a monotypic mayfly family, comprising at present about 25 nominal species, distributed throughout the Palaearctic, Oriental, Australian and Afrotropical Realms, but missing from the Nearctic and Neotropics. Larvae of Prosopistoma pennigerum (the species name ’pennigerum’ relating to the feather-like caudal filaments) had been...
Article
Our mutual friend and colleague passed away on July 17th 2014, just a few days after the end of an exclusive tutorial on mayfly identification which we had held together at the Vienna University. The urn containing his ashes was buried in the Central Cemetery of Vienna on the 12th of August.
Article
Habitat modelling provides a quantitative tool to predict scenarios in order to implement conservation measures and is therefore recognised as an effective method for managing running waters. Combining abiotic characteristics (e.g. substrate) and the results of hydraulic models (most commonly water depth and depth-averaged velocity), habitat models...
Article
Local detectability is one of the key aspects in establishing functional fish passage structures. Herein we present a novel method as extension of the habitat analysis system CASiMiR for assessing the attraction flow towards a fish pass. The method combines state-of-the-art 2D-hydrodynamic-modelling with recent findings from ethohydraulics. Compute...
Conference Paper
Full-text available
We provide a literature review about water temperature in riverine ecosys-tems and trends in European rivers. Water temperature is a physical property, which is con-sidered as an important factor to assess water quality since it can influence several other parameters and might affect the physiscal, chemical or biological processes in water body. Fo...
Conference Paper
Gemäß EU-Wasserrahmen-Richtlinie sind unsere Gewässer im Rahmen einer „stufenweisen Zielerreichung“ (2015 / 2021 / 2027 – Ziele) in einen guten ökologischen Zustand bzw. in ein gutes ökologisches Potential zu versetzen. Als „2015-Ziel“ wurde die Herstellung der Durchgängigkeit an Migrationshindernissen im prioritären Gewässernetz definiert. Im Zuge...
Conference Paper
Ecohydraulic studies rely on observations of fish behavior with hydrodynamic measurements. Most commonly, observed fish locations are compared with maps of the bulk flow velocity and depth. Fish use their lateral line to sense hydrodynamic interactions mediated by body-oriented spatial gradients. To improve studies on fish an artificial lateral lin...
Poster
Full-text available
Based on the requirements of the European Water Framework, the fish continuum has to be restored. Thus, a series of new fishways are have been constructed, and more are currently under construction and in planning. State and local environmental authorities often request monitoring data about the efficacy of the fishways, especially considering thei...
Conference Paper
Natural flows are a complex amalgam of velocity, pressure, and vorticity, which often cannot be directly measured or simulated due to their physical interdependence and scaling. Ecohydraulic investigations require not only an accurate description of the natural flow, but must also consider the fluid-body interactions between the indicator organism...
Article
Local detectability is one of the key aspects in establishing functional fish passage structures. Herein we present a novel method as extension of the habitat analysis System CASiMiR for assessing the attraction flow towards a fish pass. The method combines state-of-the-art 2D-hydrodynamic-modelling with recent f indings from ethohydraulics. Comput...