2010
DOI: 10.1590/s1984-46702010000500002
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Abstract: sents an index of propensity to cover the plane, whereas IU is the only completely empirical of the three. These three indices could be used to identify different phases of path, and their path tortuosity is a dimensionless feature of the path, depending mostly on path shape, not on the unit of measurement. This concept of tortuosity differs from a concept implied in the sinuosity of BENHAMOU (2004), where a specific random walk movement model is assumed, and diffusion distance is a function of path length and… Show more

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Cited by 44 publications
(37 citation statements)
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References 40 publications
(67 reference statements)
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“…To provide an estimate of this exploratory behaviour and the search efficiency of individuals independently of the distances covered. We calculated for each individual 6) a straightness index (ST) as ST = NDD last /CD full (Almeida et al 2010). The straightness index ranges from 0 to 1.…”
Section: Methodsmentioning
confidence: 99%
“…To provide an estimate of this exploratory behaviour and the search efficiency of individuals independently of the distances covered. We calculated for each individual 6) a straightness index (ST) as ST = NDD last /CD full (Almeida et al 2010). The straightness index ranges from 0 to 1.…”
Section: Methodsmentioning
confidence: 99%
“…Vieira, também do LabVert. Entre elas destacam-se os trabalhos com ninhos artificiais nas estimativas populacionais (Loreto e Vieira 2011) e o uso de carretéis de rastreamento para o estudo dos movimentos dos animais (Almeida et al 2010, Loretto e Vieira 2005.…”
Section: Projeto Garrafãounclassified
“…We compared the tortuosity of paths under all conditions using measures of straightness, 168 sinuosity, and fractal dimension ( Fig. 4D, S4) (Almeida et al, 2010;Benhamou, 2004;Nams, 169 1996). While paths on the uneven substrate were less straight than on flat ground (Table S2), 170 there was no influence of lighting (p = 0.33-0.85) (Table S3).…”
Section: Resultsmentioning
confidence: 99%