Ecosystem change in the southern Benguela and the underlying processes

LK Blamey, LJ Shannon, JJ Bolton… - Journal of Marine …, 2015 - Elsevier
Overfishing and human-induced climate change are putting severe pressure on marine
ecosystems. In the southern Benguela, most of South Africa's commercial fisheries have a …

Guidance for decisions using the Vector Autoregressive Spatio-Temporal (VAST) package in stock, ecosystem, habitat and climate assessments

JT Thorson - Fisheries Research, 2019 - Elsevier
Fisheries scientists provide stock, ecosystem, habitat, and climate assessments to support
interdisplinary fisheries management in the US and worldwide. These assessment activities …

Catch per unit effort modelling for stock assessment: A summary of good practices

SD Hoyle, RA Campbell, ND Ducharme-Barth… - Fisheries …, 2024 - Elsevier
Indices of abundance based on fishery catch-per-unit-effort (CPUE) are important
components of many stock assessments, particularly when fishery-independent surveys are …

Combining scientific survey and commercial catch data to map fish distribution

B Alglave, E Rivot, MP Etienne… - ICES Journal of …, 2022 - academic.oup.com
Abstract Developing Species Distribution Models (SDM) for marine exploited species is a
major challenge in fisheries ecology. Classical modelling approaches typically rely on fish …

[HTML][HTML] Influences of at-sea fishery monitoring on science, management, and fleet dynamics

JP Kritzer - Aquaculture and Fisheries, 2020 - Elsevier
Fisheries are complex systems comprised of scientific, management, fishing fleet, and
ecological sub-systems. Although the composition, behavior, and functions of these sub …

The economic value of South African kelp forests and temperate reefs: past, present and future

LK Blamey, JJ Bolton - Journal of Marine Systems, 2018 - Elsevier
Abstract In South Africa, kelp forests and associated temperate reefs dominate the
nearshore subtidal zone in the southern Benguela, with kelp forests covering approximately …

Accounting for spatiotemporal variation and fisher targeting when estimating abundance from multispecies fishery data

JT Thorson, R Fonner, MA Haltuch… - Canadian Journal of …, 2016 - cdnsciencepub.com
Estimating trends in abundance from fishery catch rates is one of the oldest endeavors in
fisheries science. However, many jurisdictions do not analyze fishery catch rates due to …

Constructing stock abundance indices from catch and effort data: Some nuts and bolts

RA Campbell - Fisheries Research, 2015 - Elsevier
Construction of annual indices of stock abundance based on the standardisation of catch
and effort data remains central to many fisheries assessments. However, while the use of …

[PDF][PDF] Southern African marine linefish species profiles

BQ Mann - Special publication, 2013 - researchgate.net
This publication is a compilation of species profiles for 139 important marine linefish species
from 38 families caught in southern African waters, including both teleosts and …

Spatiotemporal analysis of compositional data: increased precision and improved workflow using model-based inputs to stock assessment

JT Thorson, MA Haltuch - Canadian Journal of Fisheries and …, 2019 - cdnsciencepub.com
Stock assessment models are fitted to abundance-index, fishery catch, and age–length–sex
composition data that are estimated from survey and fishery records. Research has …