Waddling on the dark side : ambient light affects attendance behaviour of little 1 penguins 2 3
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Effects of light and sound stimuli on spatial distribution and swimming activity of Daphnia under laboratory conditions
Aquatic ecosystems are heterogeneous in terms of light and sound distribution. The aim of this study was to investigate the effect of environmental abiotic factors, light and sound stimuli, on Daphnia (Daphnia magna) swimming behaviour. Here, we examined behavioural changes of Daphnia (N=24) in response to light and sound treatments simultaneously. The treatments concerned a 2×2 design with br...
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In this study, the morphology and organization of the retina of Caspian kutum and fish response to ambient light as retinomotor reaction was investigated. The Rutilus frisii subsp. kutum is an anadromous fish and important native fish specimen of Caspian Sea. The specimens were obtained from Shahid Ansari Teleost Reproduction and Culture center (Guilan province, Iran). For light and dark adapta...
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PAGE 46 j foresight j VOL. 9 NO. 2 2007, pp. 46-59, Q Emerald Group Publishing Limited, ISSN 1463-6689 DOI 10.1108/14636680710737759 David Wright is a Partner in Trilateral Research & Consulting, London, UK. Serge Gutwirth is a Professor of Law at the Vrije Universiteit Brussels (VUB), Belgium. Michael Friedewald is senior researcher and consultant at the Fraunhofer Institute for Systems and In...
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Nonhuman animals in zoos are exposed to a continuous human presence, which affects their behaviors and welfare. However, little is known about what role the "visitor effect" has on penguins in captivity. The African penguin (Spheniscus demersus) is an endangered species commonly housed in zoos worldwide. The aim of this study was to evaluate whether the abundance of human bathers could reduce t...
متن کاملThe Impact of Colour and Ambient Light on the Anxiety of Hospitalized Patients in Coronary Care Unit of Imam Khomeini Hospital of Jiroft in 2018: An Interventional Study
Background and Objectives: Anxiety has multiple effects on heart performance; there are various pharmaceutical and non- pharmaceutical methods to reduce anxiety. Since different colors and ambient light have multiple effects on the patients’ anxiety, this study aimed to determine the impact of color and ambient light on the patients' anxiety in the coronary care unit of Jiroft Imam Khomeini Hos...
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تاریخ انتشار 2016