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  "Title": "simulate fish tracks & acoustic detections",
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  "Date": "2023-05-13",
  "Author": "Ian Jonsen",
  "Maintainer": "Ian Jonsen <ian.jonsen@mq.edu.au>",
  "Description": "facilitates simulation of fish tracks in featureless and\nsemi-realistic environments (coastal oceans, fjords, and\nlakes). A user-defined raster defining the water body - land\nboundaries is used to constrain simulated tracks. Fish\nmovements are simulated (currently) as either a correlated\nrandom walk or a biased & correlated random walk, with the bias\ntoward a defined Centre-of-Attraction. A potential function is\nused to ensure the tracks avoid land. The package can also be\nused to simulate detections of acoustically-tagged fish by\nacoustic receivers at user-defined locations.",
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