Results 31 to 40 of about 40,038,540 (152)

Beyond All-Sky: Assessing Ecological Light Pollution Using Multi-Spectral Full-Sphere Fisheye Lens Imaging

Journal of Imaging, 2019
Artificial light at night is a novel anthropogenic stressor. The resulting ecological light pollution affects a wide breadth of biological systems on many spatio-temporal scales, from individual organisms to communities and ecosystems.
Andreas Jechow, Christopher C.M. Kyba, Franz Hölker   +2 more
doaj   +1 more source

Locomotor activity of the Holarctic molluscs Radix auricularia (from Lake Baikal) in various light pollution conditions

Acta Biologica Sibirica, 2022
Light pollution is a modern environmental problem. The scale of light pollution is increasing yearly and is negatively affecting the functioning of terrestrial and aquatic ecosystems.
Dmitry Yu. Karnaukhov, Maria A. Maslennikova, Yana K. Ermolaeva, Ekaterina M. Dolinskaya, Sofya A. Biritskaya, Viktoria A. Pushnica, Lidia B. Bukhaeva, Arina V. Lavnikova, Dmitry I. Golubets, Еugene A. Silow   +9 more
doaj   +1 more source

Temperature Stability of the Sky Quality Meter

Sensors, 2013
The stability of radiance measurements taken by the Sky Quality Meter (SQM)was tested under rapidly changing temperature conditions during exposure to a stable lightfield in the laboratory.
Christopher C.M. Kyba, Franz Hölker, Jürgen Fischer, Sabrina Schnitt, Thomas Ruhtz   +4 more
doaj   +1 more source

Towards Insect-Friendly Road Lighting—A Transdisciplinary Multi-Stakeholder Approach Involving Citizen Scientists

Insects, 2021
(1) The project “Tatort Streetlight” implements an insect-friendly road light design in a four year before–after, control–impact (BACI) approach involving citizen scientists.
Sibylle Schroer, Kat Austen, Nicola Moczek, Gregor Kalinkat, Andreas Jechow, Stefan Heller, Johanna Reinhard, Sophia Dehn, Charis I. Wuthenow, Martin Post-Stapelfeldt, Roy H. A. van Grunsven, Catherine Pérez Vega, Heike Schumacher, Leena Kaanaa, Birte Saathoff, Stephan Völker, Franz Hölker   +16 more
doaj   +1 more source

Decade-Long Photometric Observations of Light Pollution and Cloud Effects on Night Sky Brightness in Hong Kong

Remote Sensing
This study examines how night sky brightness (NSB) in Hong Kong has evolved over the past decade. It combines recent datasets covering 2019–2023 with the earlier dataset analyzed in a previous study (2010–2013).
Chu Wing So, Chun Shing Jason Pun, Shengjie Liu   +2 more
doaj   +1 more source

Turning to the dark side: LED light at night alters the activity and species composition of a foraging bat assemblage in the northeastern United States

Ecology and Evolution, 2021
Artificial light at night (ALAN) is a rapidly intensifying form of environmental degradation that can impact wildlife by altering light‐mediated physiological processes that control a broad range of behaviors.
Chad L. Seewagen, Amanda M. Adams
doaj   +1 more source

Non-visual effects of light on human circadian physiology and neurobehavioral performance [PDF]

, 2015
Light is of crucial importance for human circadian rhythms. In fact, light exposure allows for resetting individual biological rhythms to the 24-h day.
Gabel, Virginie
core   +1 more source

Mapping the Melatonin Suppression, Star Light and Induced Photosynthesis Indices with the LANcube

Remote Sensing, 2020
Increased exposure to artificial light at night can affect human health including disruption of melatonin production and circadian rhythms which can extend to increased risks of hormonal cancers and other serious diseases.
Martin Aubé, Charles Marseille, Amar Farkouh, Adam Dufour, Alexandre Simoneau, Jaime Zamorano, Johanne Roby, Carlos Tapia   +7 more
doaj   +1 more source

Exposure to a nocturnal light pulse simultaneously and differentially affects stridulation and locomotion behaviors in crickets

Frontiers in Physiology, 2023
It is crucial for living organisms to be in synchrony with their environment and to anticipate circadian and annual changes. The circadian clock is responsible for entraining organisms’ activity to the day-night rhythmicity.
Keren Levy, Anat Barnea, Amir Ayali, Amir Ayali   +3 more
doaj   +1 more source

The effects of day and night temperature on Chrysanthemum morifolium: investigating the safe limits for temperature integration [PDF]

, 2009
The impact of day and night temperatures on pot chrysanthemum (cultivars ‘Covington’ and ‘Irvine’) was assessed by exposing cuttings, stuck in weeks 39, 44, and 49, to different temperature regimes in short-days. Glasshouse heating setpoints of 12°, 15°,
Valdes, V. M., Adams, S. R. (Steven R.), Fuller, D. (Debbie)   +2 more
core