作者: J. D. Metcalfe
DOI: 10.1007/978-94-017-1402-0_18
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摘要: The ability to monitor the detailed geographical movements of fish in open sea is problematic. Active tracking (e.g., from a research vessel using acoustic devices) expensive and time-consuming, radio-based satellite not normally an option because inability transmit radio signals through water. In recent years, various groups scientists have been ambient daylight recorded by electronic archival (data storage) tags estimate position (Gunn et al., 1994), birds (Wilson 1992), mammals (Delong 1992; Hill, 1994).