Combining unmanned aerial vehicles and satellite imagery to quantify areal extent of intertidal brown canopy-forming macroalgae. Remote Sensing in Ecology and Conservation.
The spatial and temporal distribution of animals is frequently a foundation for understanding biological phenomena within physiological, behavioural and ecological studies (Kays, Crofoot, Jetz, & Wikelski, 2015). The increased utilization of GPS in recent years has led to refinement in the achievable accuracy of animal tracking devices, and reductions in the labour required to operate them. However, with this has come an increase in cost which often corresponds to low numbers of animals being tracked, and the assumption that the positional information of a subset of individuals is representative of whole herd/group movements. Whilst radio-frequency (RF) tags cannot provide the continuous tracking capability of GPSequipped trackers, they are inexpensive and can be extremely small and lightweight, allowing large number of animals to be tracked albeit at lower spatial precision and frequency.
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