Fundamental characteristics of decentralized separation control in a high density air corridor are discussed. A high density air corridor is expected to be an air space where aircraft capable of airborne self-separation are allowed to fly into the same direction. Some decentralized control algorithms are indispensable for its operational safety and a large traffic throughput. In this study two ...

This study deals with the influence landmark information has on the foraging behaviour of the desert ant, Cataglyphis fortis, especially with the interaction of such landmark information with the ants' path integration system. We show in the first experiment that desert ants that are captured immediately after leaving their nest and then transferred to a remote test area search for the nest rat...

Flow corridor is a new class of trajectory-based airspace which derives from the Next Generation Air Transportation System Concept of Operations. Reducing the airspace complexity and increasing the capacity are the main purpose of the en-route corridor. This paper analyzes the collision risk-capacity tradeoff using combined discrete-continuous simulation method. A basic two-dimensional en-route...

organisation KuzeyDog ̆a has for the past few years led studies of the carnivores in northeastern Turkey. With the first wolf-tracking project in Turkey, the research showed that these predators move much more widely than the confines of the protected areas. Within just two months they covered an area that was 13 times larger than the national park where they were caught and fitted with GPS/GSM ...

Consider a corridor which connects a continuum of residential locations to the CBD (central business district) and which is subject to flow congestion. All (identical) individuals travel along the corridor from home to work in the morning rush hour and have the same work start time. Each individual decides when to depart from home so as to minimize the sum of travel time costs, time early costs...

The objective of our work was to verify the value of the vegetation corridor in the conservation of small mammals in fragmented tropical landscapes, using a model system in the southeastern Minas Gerais. We evaluated and compared the composition and structure of small mammals in a vegetation corridor, forest fragments and a coffee matrix. A total of 15 species were recorded, and the highest spe...

Animals rely on sensory feedback from their environment to guide locomotion. For instance, visually guided animals use patterns of optic flow to control their velocity and to estimate their distance to objects (e.g., Srinivasan et al., 1991, 1996). In this study, we investigated how acoustic information guides locomotion of animals that use hearing as a primary sensory modality to orient and na...