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- Title
An inexpensive depth gauge for marine animals.
- Authors
Wilson, R.; Burger, A.; Wilson, B.; Wilson, M.; Nöldeke, C.
- Abstract
Current models of time-at-depth gauges are so expensive that few can be deployed and only limited data obtained. We describe an inexpensive depth gauge for use on marine animals, which we tested on diving birds. The device was constructed from components costing ≤$2 (US); and had a mass of 6 g. The gauge employs photographic film to record the depth-dependent position of a light emitting diode. The total time that the animal spends at each depth underwater can be determined.
- Subjects
MARINE animals; DIVERS (Birds); PHOTOGRAPHIC film; LIGHT emitting diodes; AQUATIC animals
- Publication
Marine Biology, 1989, Vol 103, Issue 2, p275
- ISSN
0025-3162
- Publication type
Article
- DOI
10.1007/BF00543358