Developing quantitative methods for the assessment of risk to benthic habitats from bottom fishing activities using the test case of holothurians on the Chatham Rise / S. Mormede, S.J. Baird, M.-J. Roux.

By: Mormede, S. (Sophie).
Contributor(s): Baird, S. J, 1960- | Roux, M.-J. (Marie-Julie) | Fisheries New Zealand (Government agency).
Material type: materialTypeLabelBookSeries: New Zealand aquatic environment and biodiversity report: no. 274Publisher: Wellington, New Zealand : Fisheries New Zealand, Tini a Tangaroa, 2021Description: 1 online resource (38 pages).ISBN: 9781991019776.Other title: Developing a risk assessment method for benthic habitats [Running title].Subject(s): FISHERIES | NEW ZEALANDOnline resources: AEBR 274 Fisheries Infosite | NIWA document server Summary: This study developed a method to assess risk to benthic habitats from fishing, using holothurians on the Chatham Rise as a case study. A spatial population distribution layer was developed. This layer and the bottom-contacting trawl footprint were then used in a Bayesian spatial population model to calculate the biomass trajectory and spatially and temporally explicit impact overlap statistics for the taxon. Species susceptibility was either assumed or estimated within the population model.
List(s) this item appears in: New Zealand Aquatic Environment and Biodiversity Report
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"November 2021."

AEBR-274-Development-Of-Risk-Assessment-Method-For-Benthic-Habitats-3236

This study developed a method to assess risk to benthic habitats from fishing, using holothurians on the Chatham Rise as a case study. A spatial population distribution layer was developed. This layer and the bottom-contacting trawl footprint were then used in a Bayesian spatial population model to calculate the biomass trajectory and spatially and temporally explicit impact overlap statistics for the taxon. Species susceptibility was either assumed or estimated within the population model.

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