منابع مشابه
Landscape of fear visible from space
By linking ecological theory with freely-available Google Earth satellite imagery, landscape-scale footprints of behavioural interactions between predators and prey can be observed remotely. A Google Earth image survey of the lagoon habitat at Heron Island within Australia's Great Barrier Reef revealed distinct halo patterns within algal beds surrounding patch reefs. Ground truth surveys confir...
متن کاملHedgehogs driven from countryside by landscape of fear.
Not all cod are created equal. Scratch beneath the surface and an essential difference in their blood appears. Michael Berenbrink from the University of Liverpool, UK, explains that most cod found at the southern extent of their range tend to produce a specific form (genotype) of the oxygen carrying protein haemoglobin in their red blood cells (type I haemoglobin), while individuals from the po...
متن کاملMaking the political landscape visible: mapping and analyzing voting patterns in an ideological space
This paper investigates the applicability of knowledge domain mapping for analyzing political science data. Utilizing metaphorical-space models grounded on political science theory, and applying sound cartographic visualization techniques, we demonstrate the construction and analysis of knowledge domain maps for exploring voting behaviour in Switzerland. We digitally transformed the results of ...
متن کاملThe Space-Based Visible Program
■ The Midcourse Space Experiment satellite was launched in 1996 into an 898-km altitude, near sun-synchronous orbit. A principal sensor on board the satellite is the Space-Based Visible (SBV) sensor, a visible-band electro-optical camera designed at Lincoln Laboratory to perform the first technical and functional demonstration of space-based space surveillance. The principal task of the SBV sen...
متن کاملThe Landscape of Fear: Ecological Implications of Being Afraid
“Predation risk” and “fear” are concepts well established in animal behavior literature. We expand these concepts to develop the model of the “landscape of fear”. The landscape of fear represents relative levels of predation risk as peaks and valleys that reflect the level of fear of predation a prey experiences in different parts of its area of use. We provide observations in support of this m...
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ژورنال
عنوان ژورنال: Scientific Reports
سال: 2011
ISSN: 2045-2322
DOI: 10.1038/srep00014