Marine Mammal Survey and Assessment Methods

by Laake,J.L

• ISBN13: 9789058090430
• ISBN10: 9058090434
• Edition: 1st
• Format: Hardcover
• Copyright: 1999-06-01
• Publisher: CRC Press

Summary

This volume comprises the proceedings of a symposium on marine mammal survey assessment methods, which took place in Seattle, Washington, USA.

Table of Contents

In Memoriam	vii
Dr Gerald W. Garner
Preface	xi
Survey design and application
Adaptive line transect survey for harbor porpoises	3	(10)
D. Palka
J. Pollard
An aerial survey method to estimate sea otter abundance	13	(14)
J.L. Bodkin
M.S. Udevitz
Application of aerial survey methods to polar bears in the Barents Sea	27	(10)
O. Wiig
A.E. Derocher
Comparison of aerial survey procedures for estimating polar bear density: Results of pilot studies in Northern Alaska	37	(16)
L.L. McDonald
G.W. Garner
D.G. Robertson
Determining the optimum interval for abundance surveys	53	(14)
P.R. Wade
D.P. DeMaster
Planning abundance estimation surveys when detectability is >1.0	67	(8)
T.D. Drummer
Review of previous Pacific walrus surveys to develop improved survey designs	75	(12)
J.R. Gilbert
Visibility bias and missed observations
Aerial survey sampling of contour transects using double-count and covariate data	87	(12)
P.X. Quang
E.F. Becker
Combining line transect and capture-recapture for mark-resighting studies	99	(16)
R. Alpizar-Jara
K.H. Pollock
Composite mark-recapture line transect surveys	115	(12)
D.L. Borchers
Correcting for missed observations in a shore-based count of whales	127	(10)
J.E. Zeh
Distance sampling with independent observers: Reducing bias from heterogeneity by weakening the conditional independence assumption	137	(12)
J. Laake
Line transecting with difficulties; lessons from surveying minke whales	149	(18)
T. Schweder
Modeling Variability in replicated surveys at aggregation sites	167	(12)
M.S. Udevitz
The objective identification of duplicate sightings in aerial survey for porpoise	179	(12)
L. Hiby
Sightability of right whales in coastal waters of the southeastern United States with implications for the aerial monitoring program	191	(18)
J.H.W. Hain
S.L. Ellis
R.D. Kenney
C.K. Slay
Trackline detection probability for long-diving whales	209	(16)
J. Barlow
Modeling
Bayesian population dynamics modeling using uncertain historical catch, surveyed abudanances, and biological priors	225	(14)
G.H. Givens
Biological indices for monitoring population status of walrus evaluated with an individual-based model	239	(10)
S.J. Chivers
A comparison of statistical methods for fitting population models to data	249	(22)
P.R. Wade
The population management plan for the New Zealand sea lion	271	(14)
B.F.J. Manly
K. Walshe
Keyword index	285	(2)
Author index	287