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Record #185348:

Evaluation of a computer-assisted photograph-matching system to monitor naturally marked harbor seals at Tugidak Island, Alaska / Kelly K. Hastings, Lex A. Hiby, Robert J. Small.

Title: Evaluation of a computer-assisted photograph-matching system to monitor naturally marked harbor seals at Tugidak Island, Alaska / Kelly K. Hastings, Lex A. Hiby, Robert J. Small.
Author(s): Hastings, Kelly K.
Hiby, Lex A.
Small, Robert J.
Date: 2008.
In: Journal of Mammalogy. (2008.), Vol. 89(5) (2008)
Abstract: Investigates whether harbour seals (Phoca vitulina richardii) can be identified accurately from ventral pelage markings, using test set of photographs from 182 individuals identified by flipper tags, scars or unique pelage markings. Documents efficiency and misidentification error rate associated with computer-assisted photograph-matching system. Tests for bias in mark-recapture survival estimates resulting from misidentifiaction errors. Investigation suggests that estimation of misidentification error rate, inclusion of only high-quality photographs, or use of models accounting for misidentification error, are required to prevent bias in mark-recapture survival estimates when using data from natural marking studies.
Notes:

Journal of Mammalogy. Vol. 89(5) :1201-1211 (2008).

Keywords: 574.34 -- Population dynamics.
59.087.2 -- Marking, banding and ringing.
581.9 -- Phytogeography.
599.745.3 -- Phocidae: Phoca vitulina richardii.
H6 -- Zoology: mammals.
(*3) -- Arctic regions.
(*49) -- Alaska.
(*495) -- US islands in North Pacific.
SPRI record no.: 185348

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100 1# ‡aHastings, Kelly K.
245 10 ‡aEvaluation of a computer-assisted photograph-matching system to monitor naturally marked harbor seals at Tugidak Island, Alaska /‡cKelly K. Hastings, Lex A. Hiby, Robert J. Small.
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300 ## ‡ap. 1201-1211 :‡bill., tables.
500 ## ‡aJournal of Mammalogy. Vol. 89(5) :1201-1211 (2008).
520 3# ‡aInvestigates whether harbour seals (Phoca vitulina richardii) can be identified accurately from ventral pelage markings, using test set of photographs from 182 individuals identified by flipper tags, scars or unique pelage markings. Documents efficiency and misidentification error rate associated with computer-assisted photograph-matching system. Tests for bias in mark-recapture survival estimates resulting from misidentifiaction errors. Investigation suggests that estimation of misidentification error rate, inclusion of only high-quality photographs, or use of models accounting for misidentification error, are required to prevent bias in mark-recapture survival estimates when using data from natural marking studies.
650 07 ‡a574.34 -- Population dynamics.‡2udc
650 07 ‡a59.087.2 -- Marking, banding and ringing.‡2udc
650 07 ‡a581.9 -- Phytogeography.‡2udc
650 07 ‡a599.745.3 -- Phocidae: Phoca vitulina richardii.‡2udc
650 07 ‡aH6 -- Zoology: mammals.‡2local
651 #7 ‡a(*3) -- Arctic regions.‡2udc
651 #7 ‡a(*49) -- Alaska.‡2udc
651 #7 ‡a(*495) -- US islands in North Pacific.‡2udc
700 1# ‡aHiby, Lex A.
700 1# ‡aSmall, Robert J.
773 0# ‡7nnas ‡tJournal of Mammalogy. ‡gVol. 89(5) (2008) ‡wSPRI-22378
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917 ## ‡aUnenhanced record from Muscat, imported 2019
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