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1 December 2010 A Digital Spot-mapping Method for Avian Field Studies
Kevin E. Jablonski, Stacy A. McNulty, Matthew D. Schlesinger
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Avian mapping, also known as spot mapping or territory mapping, is a breeding season bird-survey technique that traditionally uses paper maps on which locations of birds are recorded. This method is often considered the most accurate in yielding a density, but has been criticized as being inefficient, time consuming, and inexact. We describe a novel digital-mapping method, incorporating a hand-held computer and high-accuracy global positioning system receiver (GPS), used in an ongoing boreal birds study. Digital mapping surpassed our expectations as to efficiency, flexibility, and work flow. We expect this method will become increasingly useful in many types of field studies, especially as costs decrease (currently ∼$2,100 for the field receiver used).

Kevin E. Jablonski, Stacy A. McNulty, and Matthew D. Schlesinger "A Digital Spot-mapping Method for Avian Field Studies," The Wilson Journal of Ornithology 122(4), 772-776, (1 December 2010).
Received: 4 January 2010; Accepted: 1 June 2010; Published: 1 December 2010

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