Výsledky vyhledávání - "Günther Unfer"

Akademický článek

River continuum disruptions in a highly altered system: The perspective of potamodromous fish

Autor: Johannes L. Kowal, Andrea Funk, Günther Unfer, Damiano Baldan, Gertrud Haidvogl, Christoph Hauer, Maria T. Ferreira, Paulo Branco, Rafaela Schinegger, Thomas Hein

Publikováno v: Ecological Indicators, Vol 164, Iss , Pp 112130- (2024)

In this study, we explored how barriers such as dams have affected the longitudinal connectivity of riverine habitats from the perspective of potamodromous fish. For this purpose, connectivity changes are investigated in the central part of the Austr

Externí odkaz: https://doaj.org/article/5545106d32eb455cbfe8d5eede3eab98

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Akademický článek

Hydro-morphological stressors reduce distribution range and affect population status of cyprinid fishes in Austria

Autor: Daniel S. Hayes, Gregor Schaufler, Stefan Schmutz, Günther Unfer, Simon Führer, Stefan Auer, Carina Seliger

Publikováno v: Frontiers in Environmental Science, Vol 10 (2022)

Rivers worldwide have been transformed into fragmented, impounded, channelized, and flow-regulated ecosystems. These anthropogenic transformations can reduce fish distribution and population status, especially of those species belonging to medium- or

Externí odkaz: https://doaj.org/article/cfe6f6ea87fb4192be8300d175ac4120

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Akademický článek

Direct and Indirect Climate Change Impacts on Brown Trout in Central Europe: How Thermal Regimes Reinforce Physiological Stress and Support the Emergence of Diseases

Autor: Florian Borgwardt, Günther Unfer, Stefan Auer, Karoline Waldner, Mansour El-Matbouli, Thomas Bechter

Publikováno v: Frontiers in Environmental Science, Vol 8 (2020)

Water temperature is one of the most important abiotic parameters in rivers having direct and indirect effects on fish. Especially cold-water species like the brown trout (Salmo trutta) are limited by high temperatures. Beside direct physiological st

Externí odkaz: https://doaj.org/article/28c2e1e387c344bb892c8962bbda021f

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Akademický článek

A Physical and Behavioral Barrier for Enhancing Fish Downstream Migration at Hydropower Dams: The Flexible FishProtector

Autor: Ruben Tutzer, Simon Röck, Janette Walde, Jonas Haug, Barbara Brinkmeier, Markus Aufleger, Günther Unfer, Simon Führer, Bernhard Zeiringer

Publikováno v: Water, Vol 14, Iss 3, p 378 (2022)

Fish protection at hydropower plants is important for the sustainability of hosting ecosystems and the acceptance of hydropower. On their way downstream, fish are exposed to hydropower plants and various related negative effects, ranging from a delay

Externí odkaz: https://doaj.org/article/aa69df74f3de4ea29404ce9a2bd389c5

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Akademický článek

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Seasonal migration and habitat use of adult barbel (Barbus barbus) and nase (Chondrostoma nasus) along a river stretch of the Austrian Danube River

Autor: Ruamruedee Panchan, Kurt Pinter, Stefan Schmutz, Günther Unfer

Publikováno v: Environmental Biology of Fishes. 105:1601-1616

Migration patterns and habitat use of adult barbel (Barbus barbus) and nase (Chondrostoma nasus) were monitored by radio telemetry over a period of 13 months along a 58-km-long section of the Austrian part of the Danube River. The study site is confi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::19290ef58ff24d2b57e6ee66de4205f0
https://doi.org/10.1007/s10641-022-01352-3

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