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Desktop estimation of pinniped cryptic mortality in trawls using SLEDs / S. Meyer.

Contributor(s): Fisheries New Zealand (Government agency) | New Zealand. Ministry for Primary Industries [issuing body.].
Material type: materialTypeLabelBookSeries: New Zealand aquatic environment and biodiversity report: no. 222Publisher: Wellington : Fisheries New Zealand Tini a Tangaroa, 2019.Description: 1 online resource.ISBN: 9780995127135 (online).Other title: Desktop estimation of pinniped cryptic mortality.Subject(s): FISHERIES | NEW ZEALANDHoldings: ELECTRONIC Online resources: AEBR 222 Fisheries Infosite | No. 222 NIWA document server Summary: A dynamic Bayesian modelling framework (including user interface) was developed for the assessment of unobservable mortality (e.g. due to carcass loss during net retrieval) of New Zealand sea lions that interact with trawls using sea lion exclusion devices. A base case model suggested that the total fishery-related deaths are underestimated by a factor of 1.15 (95% credible interval: 1.05-1.31) and 1.60 (95% credible interval: 1.20-2.63) for bottom trawls and mid-water trawls, respectively.
List(s) this item appears in: New Zealand Aquatic Environment and Biodiversity Report
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Item type Current location Call number Copy number Status Date due Barcode
PDF PDF WELLINGTON
ONLINE
ELECTRONIC 1 Not for loan 395367

"July 2019".

A dynamic Bayesian modelling framework (including user interface) was developed for the assessment of unobservable mortality (e.g. due to carcass loss during net retrieval) of New Zealand sea lions that interact with trawls using sea lion exclusion devices. A base case model suggested that the total fishery-related deaths are underestimated by a factor of 1.15 (95% credible interval: 1.05-1.31) and 1.60 (95% credible interval: 1.20-2.63) for bottom trawls and mid-water trawls, respectively.

ELECTRONIC

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