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Johan Watz · SciRah

Researcher profile · Semantic Scholar

Johan Watz

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Johan Watz — researcher profile on SciRah

h-index: 15
Works: 75
Citations: 589

Most-cited papers

Climbing the ladder: an evaluation of three different anguillid eel climbing substrata and placement of upstream passage solutions at migration barriers
Johan Watz, P. A. Nilsson, Erik Degerman, Carl Tamario +1 more
2019Animal Conservation40 citations Open access
Semantic Scholar
Coastal river connectivity and the distribution of ascending juvenile European eel ( Anguilla anguilla L.): Implications for conservation strategies regarding fish‐passage solutions
Carl Tamario, O. Calles, Johan Watz, P. A. Nilsson +1 more
2019Aquatic conservation39 citations Open access
Semantic Scholar
The role of temperature in the prey capture probability of drift‐feeding juvenile brown trout (Salmo trutta)
Johan Watz, J. Piccolo
201138 citations
Semantic Scholar
Day and night drift-feeding by juvenile salmonids at low water temperatures
Johan Watz, J. Piccolo, E. Bergman, L. Greenberg
2014Environmental Biology of Fishes35 citations
Semantic Scholar
Ice cover alters the behavior and stress level of brown trout Salmo trutta
Johan Watz, E. Bergman, O. Calles, Å. Enefalk +10 more
201528 citations Open access
Semantic Scholar
Temperature‐dependent competition between juvenile salmonids in small streams
Johan Watz, Y. Otsuki, K. Nagatsuka, K. Hasegawa +1 more
2019Freshwater Biology27 citations
Semantic Scholar
Occurrence and habitat use of European eel (Anguilla anguilla) in running waters: lessons for improved monitoring, habitat restoration and stocking
E. Degerman, Carl Tamario, Johan Watz, P. Nilsson +1 more
2019Aquatic Ecology25 citations Open access
Semantic Scholar
Atlantic salmon in regulated rivers: Understanding river management through the ecosystem services lens
Johan Watz, D. Aldvén, P. Andreasson, K. Aziz +8 more
2021Fish and Fisheries24 citations Open access
Semantic Scholar
Ice cover affects the growth of a stream-dwelling fish
Johan Watz, E. Bergman, J. Piccolo, L. Greenberg
2016Oecologia22 citations
Semantic Scholar
Guiding migrating salmonid smolts: Experimentally assessing the performance of angled and inclined screens with varying gap widths
A. Harbicht, Johan Watz, D. Nyqvist, T. Virmaja +4 more
2022Ecological Engineering: The Journal of Ecotechnology20 citations Open access
Semantic Scholar
Effects of parasitic freshwater mussels on their host fishes: a review
Sebastian L. Rock, Johan Watz, P. Nilsson, M. Österling
2022Parasitology18 citations Open access
Semantic Scholar
Navigating the drought: upstream migration of a small-sized Cypriniformes (Telestes muticellus) in response to drying in a partially intermittent mountain stream
A. Schiavon, C. Comoglio, A. Candiotto, M. Spairani +4 more
2024Knowledge & Management of Aquatic Ecosystems16 citations Open access
Semantic Scholar
Individual‐based modelling of hydropeaking effects on brown trout and Atlantic salmon in a regulated river
M. Hajiesmaeili, Louis Addo, Johan Watz, S. Railsback +1 more
2022Rivers Research and Applications: an international journal devoted to river research and management16 citations Open access
Semantic Scholar
Prey capture rates of two species of salmonids (Salmo trutta and Thymallus thymallus) in an artificial stream: effects of temperature on their functional response
Johan Watz, E. Bergman, J. Piccolo, L. Greenberg
201416 citations
Semantic Scholar
Wood addition in the hatchery and river environments affects post-release performance of overwintering brown trout
Johan Watz, O. Calles, Niclas Carlsson, Teemu Collin +5 more
2018Freshwater Biology15 citations
Semantic Scholar
Temperature and predator-mediated regulation of plasma cortisol and brain gene expression in juvenile brown trout (Salmo trutta)
K. Filipsson, E. Bergman, L. Greenberg, M. Österling +2 more
2020Frontiers in Zoology14 citations Open access
Semantic Scholar
Structural complexity in the hatchery rearing environment affects activity, resting metabolic rate and post-release behaviour in brown trout Salmo trutta.
Johan Watz
2019Journal of Fish Biology14 citations
Semantic Scholar
Effects of ice cover on the diel behaviour and ventilation rate of juvenile brown trout
Johan Watz, E. Bergman, J. Piccolo, L. Greenberg
201314 citations
Semantic Scholar
Social behaviour of European grayling before and after flow peaks in restored and unrestored habitats
Johan Watz, D. Aldvén, Antonis Apostolos Brouziotis, Niclas Carlsson +6 more
2020Rivers Research and Applications: an international journal devoted to river research and management11 citations Open access
Semantic Scholar
Increased Temperature and Discharge Influence Overwinter Growth and Survival of Juvenile Salmonids in a Hydropeaking River: Simulating Effects of Climate Change Using Individual-Based Modelling
Johan Watz, Joel Schill, Louis Addo, J. Piccolo +1 more
2023Fishes10 citations Open access
Semantic Scholar
Growth and mortality of sympatric Atlantic salmon and brown trout fry in fluctuating and stable flows
Louis Addo, M. Hajiesmaeili, J. Piccolo, Johan Watz
2022Ecology of Freshwater Fish10 citations Open access
Semantic Scholar
Tracking the movement of PIT-tagged terrestrial slugs (Arion vulgaris) in forest and garden habitats using mobile antennas
D. Nyqvist, Filippa Hedenberg, O. Calles, M. Österling +2 more
2020Journal of molluscan studies10 citations
Semantic Scholar
Winter sheltering by juvenile brown trout (Salmo trutta) – effects of stream wood and an instream ectothermic predator
Å. Enefalk, Johan Watz, L. Greenberg, E. Bergman
201710 citations
Semantic Scholar
Familiarity with a partner facilitates the movement of drift foraging juvenile grayling (Thymallus thymallus) into a new habitat area
Paul J. B. Hart, E. Bergman, O. Calles, S. Eriksson +8 more
2014Environmental Biology of Fishes10 citations
Semantic Scholar
Sustaining high-value salmonid populations in regulated rivers: Insights from individual-based modelling of brown trout and Atlantic salmon
M. Hajiesmaeili, Louis Addo, Johan Watz, J. Norrgård +4 more
2024Global Ecology and Conservation9 citations Open access
Semantic Scholar
Temperature-dependent prey capture efficiency and foraging modes of brown trout Salmo trutta.
Johan Watz, J. Piccolo, L. Greenberg, E. Bergman
2012Journal of Fish Biology9 citations
Semantic Scholar
Parasitic mussels induce upstream movement in their fish hosts: early evidence of extended phenotype
Sebastian L. Rock, P. Nilsson, Johan Watz, O. Calles +1 more
2025Behavioral Ecology7 citations Open access
Semantic Scholar
Fish Behaviour in a Vertical Slot Fishway: Multi‐Species Upstream Passage Success, Size Selectivity and Diel Passage Patterns in a Large Italian River
Florian Eggers, A. Schiavon, Olle Calles, Johan Watz +3 more
2024Rivers Research and Applications: an international journal devoted to river research and management7 citations Open access
Semantic Scholar
Artificial barriers against arionid slug movement
Johan Watz, D. Nyqvist
20217 citations Open access
Semantic Scholar
Substrate-size choice in European eel Anguilla anguilla elvers is not altered by piscivore chemical cues.
P. Nilsson, Ivi J. Pettersson, Carl Tamario, E. Degerman +3 more
2020Journal of Fish Biology7 citations
Semantic Scholar
Downstream passage performance of silver eel at an angled rack: effects of behavior and morphology
R. Motyka, Johan Watz, D. Aldvén, Niclas Carlsson +6 more
2024Hydrobiologia6 citations Open access
Semantic Scholar
Effects of fragmentation per se on slug movement
Johan Watz, R. Eckstein, D. Nyqvist
20216 citations Open access
Semantic Scholar
Evaluation of a novel mobile floating trap for collecting migrating juvenile eels, Anguilla anguilla, in rivers
Johan Watz, J. Elghagen, P. Nilsson, O. Calles
20176 citations
Semantic Scholar
Individual movement behaviour and habitat use of a small-sized cypriniform (Telestes muticellus) in a mountain stream
A. Schiavon, C. Comoglio, A. Candiotto, M. Spairani +3 more
2025Environmental Biology of Fishes5 citations Open access
Semantic Scholar
Effects of temperature and a piscivorous fish on diel winter behaviour of juvenile brown trout ( Salmo trutta )
K. Filipsson, E. Bergman, M. Österling, A. Erlandsson +2 more
2019Freshwater Biology5 citations
Semantic Scholar
Foraging Behaviour of Brown Trout : A Model Species For Linking Individual Ecology to Population Dynamics?
J. Piccolo, Johan Watz
20174 citations
Semantic Scholar
Stress responses of juvenile brown trout under winter conditions in a laboratory stream
Johan Watz
2017Hydrobiologia4 citations Open access
Semantic Scholar
Winter behaviour of stream salmonids: effects of temperature, light, and ice cover
Johan Watz
20134 citations
Semantic Scholar
Movement Pattern and Habitat Use of the Endangered Brook Barbel (Barbus caninus) in a Mediterranean Stream
A. Schiavon, C. Comoglio, A. Candiotto, M. Spairani +3 more
2025Ecology of Freshwater Fish3 citations Open access
Semantic Scholar
A Habitat and a Parasite: Adult and Larval Parasitic Freshwater Mussels Impact Habitat Choice and Predator–Prey Interactions of a Host Fish and Its Prey
Sebastian L. Rock, Anna M. Elmlund, P. Nilsson, Johan Watz +2 more
2025Ecology and Evolution2 citations Open access
Semantic Scholar
Drift Foraging by Allopatric and Sympatric Atlantic Salmon and Brown Trout Parr Under Rapid Flow Fluctuations
Louis Addo, Lise Meneboo, M. Hajiesmaeili, J. Piccolo +1 more
2025Rivers Research and Applications: an international journal devoted to river research and management2 citations Open access
Semantic Scholar
Winter Behavior of Juvenile Brown Trout in a Changing Climate: How Do Light and Ice Cover Affect Encounters with Instream Predators?
K. Filipsson, Veronika Åsman, L. Greenberg, M. Österling +2 more
2023Fishes2 citations Open access
Semantic Scholar
Egg-laying habitat selection of the invasive slug Krynickillus melanocephalus Kaleniczenko, 1851 (Gastropoda: Eupulmonata: Agriolimacidae)
Johan Watz, Ted von Proschwitz
2023Folia Malacologica2 citations Open access
Semantic Scholar
Flow and Phenotype Determine Climbing Success in Juvenile European Eel ( Anguilla anguilla ): A Test of Two Ramp Designs
Magnus Lovén Wallerius, Pernilla Hansson, Ege Aygür, Gustav Wendin +5 more
2026Aquatic conservation1 citations Open access
Semantic Scholar
Effect of Hydropeaking on Decomposition in Riparian Zones
E. Nordström, Lovisa Lind, R. L. Eckstein, Birgitta Malm-Renöfält +4 more
2025Rivers Research and Applications: an international journal devoted to river research and management1 citations Open access
Semantic Scholar
Changes in the Size Distribution of a Freshwater Fish After Lake Outlet Dam Removal: A Pilot Study
Johan Watz, E. Bergman, Olle Calles, R. L. Eckstein +4 more
2025Ecohydrology1 citations Open access
Semantic Scholar
Conservation Benefits of Lake Outlet Dam Removals: Reduced Mercury in an Apex Fish Predator
Johan Watz, Niclas Carlsson, E. Bergman, P. Nilsson +1 more
2025Aquatic conservation1 citations Open access
Semantic Scholar
Evaluating hot water immersion as a quarantine method: impact on Obama nungara egg capsule viability
Johan Watz
2025bioRxiv1 citations Open access
Semantic Scholar
Growth and behaviour of juvenile European eel ( Anguilla anguilla ) in sandy and stony bottom substrates
R. Motyka, O. Calles, Lovisa Lind, Johan Watz
2023Ecology of Freshwater Fish1 citations Open access
Semantic Scholar
Dispersal movements of non‐native and native terrestrial slugs in an urban environment
D. Nyqvist, Gabriella Ritchey, Johan Watz
2023Invertebrate biology1 citations Open access
Semantic Scholar

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