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Tidal influence on spatial dynamics of leopard sharks, Triakis semifasciata, in Tomales Bay, California

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Tidal influence on spatial dynamics of leopard sharks, Triakis semifasciata, in Tomales Bay, California; 2000; Article; Journal; Environmental Biology of Fishes; Ackerman, J. T.; Kondratieff, S. C.; Matern, A.; Cech, J. J., Jr.

Summary

We used ultrasonic telemetry to determine the movement directions and movement rates of leopard sharks, Triakis semifasciata, in Tomales Bay, California. To analyze tide and time of day effects, we surgically implanted transmitters in the peritoneal cavities of one male and five female leopard sharks, which we located during summer for three to five sampling sessions lasting 12 to 24 h each. All leopard sharks showed strong movement direction patterns with tide. During incoming tides, sharks moved significantly (p<0.0001) towards the inner bay, apparently to exploit the extensive inner bay muddy littoral zones' food resources. On outgoing tides, sharks showed significant (p<0.0001) movements towards the outer bay. During high tide, [...]

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Type Scheme Key
local-index unknown 1007943
local-pk unknown 1007943
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.1023/A:1007657019696
series unknown Environmental Biology of Fishes

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citationTypeArticle
journalEnvironmental Biology of Fishes
languageEnglish
parts
typevolume
value58
typeissue
value1

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