The Use of Global Positioning Systems to Record Distances in a Helicopter Line-Transect Survey

@inproceedings{Marques2006TheUO,
  title={The Use of Global Positioning Systems to Record Distances in a Helicopter Line-Transect Survey},
  author={Tiago A. Marques and Magnus Andersen and Signe CHRISTENSEN-DALSGAARD and Stanislav Belikov and Andrei N. Boltunov and {\O}ystein Wiig and Stephen T. Buckland and Jon Aars},
  year={2006}
}
Methods that allow unbiased estimation of animal abundance are increasingly demanded in management and conservation. The use of these methods should respect their assumptions. The need for accurate distance measurements in distance-sampling surveys is stressed. Here we present 2 alternative methods for measuring distance from a line to an object during helicopter surveys: 1) using a Global Positioning System (GPS) unit, with distances measured using appropriate software; and 2) recording… CONTINUE READING

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