Fisheries Infosite

FAR 2021/77 Geostatistical estimates for the intertidal shellfish monitoring in the northern North Island region, 2019โ€“20


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FAR-2021-77-Geostatisitical-Estimates-For-Northern-North-Island-Shellfish-2019-2020-4245.pdf (13.8 MB)

 Geostatistical models were used to estimate cockle abundance for 12 sites in the 2019–20 northern bivalve survey. Estimates often had greater precision than the sampling-based estimator, and fine-scale predictions reproduced sampling observations. Nevertheless, results were sensitive to model settings and site configuration. Spatio-temporal models accounting for earlier surveys also improved precision in population estimates, except for sites where cockle beds shifted between years.

Document date
Monday, 20 December 2021
Document type
V 1.3
File format
Adobe PDF
File size
13.8 MB
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Monday, 20 December 2021

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ISBN: 978-1-99-102602-6;
ISSN: 1179-5352;
FAR: 2021/77;
AUTHOR: Tremblay-Boyer, L.; Neubauer, P.; Berkenbusch, K.; Damodaran, D.;

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