Biological Systems

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Ecological Models (2)

Recently the development of a unifying framework and an integrative paradigm for animal movement (“movement ecology”) has been proposed. Movement ecology aims to explain movement by means of four basic categories: internal state (why moving?), motion capacity (how to move?), navigation capacities (when and where to move?), and external factors of different types (habitat, climate, conspecifics, competitors, predators). In Nathan et al.’s (2008) words, “the proposed framework integrates eclectic research on movement into a structured paradigm and aims at providing a basis for hypothesis generation and a vehicle facilitating the understanding of the causes, mechanisms, and spatiotemporal patterns of movement and their role in various ecological and evolutionary processes”. The true revolution which has enormously spurred the study of animal movement was the advent of GPS-based devices to track animals (Cagnacci et al. 2010).

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