Franz Hölker

Leibniz Institute of Freshwater Ecology and Inland Fisheries — Germany

Environmental Science · Physical Sciences

57h-index12.2kcitations250works5.62yr avg
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Research Topics

Impact of Light on Environment and Health(109), Fish Ecology and Management Studies(63), Circadian rhythm and melatonin(21), Marine and coastal ecosystems(20), Aquatic Ecosystems and Phytoplankton Dynamics(20)

Publications250 total

High resolution spatiotemporal measuring of diel vertical migration in zooplankton shows size specific responses to variable natural light conditions
Zenodo (CERN European Organization for Nuclear Research)·2026Open Access
Artificial light at night extends pollen season and elevates allergen exposure
PNAS Nexus·2026Open Access
High resolution spatiotemporal measuring of diel vertical migration in zooplankton shows size specific responses to variable natural light conditions
Zenodo (CERN European Organization for Nuclear Research)·2026Open Access
Effectiveness of fluorescent angling lures on catch outcomes in European perch ( <i>Perca fluviatilis</i> ) under ambient light conditions
Canadian Journal of Fisheries and Aquatic Sciences·2025
Colours of the Night: Spectrum‐Specific Impacts of Light Pollution on Biota
Global Change Biology·2025· 3 cited
Artificial light at night intensifies effects of a parasitic flatworm on the water flea <i>Daphnia magna</i>
Biology Letters·2025Open Access
Movement Pattern and Habitat Use of the Endangered Brook Barbel (<scp><i>Barbus caninus</i></scp>) in a Mediterranean Stream
Ecology Of Freshwater Fish·2025Open Access
Artificial light at night outweighs temperature in lengthening urban growing seasons
Nature Cities·2025· 21 citedOpen Access
Nocturnal pandas: conservation umbrellas protecting nocturnal biodiversity
Trends in Ecology & Evolution·2025· 3 citedOpen Access
Impact of artificial light at night (ALAN) on cardiac function and acute oxidative stress physiology in migratory brown trout smolts
Environmental Pollution·2025· 4 citedOpen Access
Eco-evolutionary feedbacks under artificial light at night
iScience·2025· 3 citedOpen Access
A population Monte Carlo model for underwater acoustic telemetry positioning in reflective environments
Methods in Ecology and Evolution·2025· 1 citedOpen Access
Artificial light at night intensifies effects of a parasitic flatworm on the water flea <i>Daphnia magna</i>
2025· 2 citedOpen Access
Shedding light on dark taxa: exploring a cryptic diversity of parasitoid wasps affected by artificial light at night
Scientific Reports·2025Open Access
Skyglow increases cyanobacteria abundance and organic matter cycling in lakes
Water Research·2025· 4 citedOpen Access
Come to the dark side – citizen science in nighttime ecology
BMC Ecology and Evolution·2025Open Access
Artificial light at night reduces emergence and attracts flying adults of aquatic Diptera
Aquatic Sciences·2025· 5 citedOpen Access
Author response for "A population Monte Carlo model for underwater acoustic telemetry positioning in reflective environments"
2025
Individual movement behaviour and habitat use of a small-sized cypriniform (Telestes muticellus) in a mountain stream
Environmental Biology of Fishes·2025· 4 citedOpen Access
EULE - European Urban Light Explorer
elib (German Aerospace Center)·2025
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Frequent Co-authors

Christopher C. M. Kyba(14), Andreas Jechow(9), Christian Wolter(9), Klement Tockner(7), Jürgen Fischer(7), Werner Kloas(6), Thomas Ruhtz(6), Steffen Franke(5), Elizabeth K. Perkin(4), Helga U. Kuechly(4), Michael T. Monaghan(4), Anika Brüning(4), Jan Ohlberger(4), Georg Staaks(4), Thomas Mehner(4), Kevin J. Gaston(3), Andreas Hänel(3), A. Schwope(3), Roy H. A. van Grunsven(3), Hans‐Peter Grossart(3)