Decline in Atlantic wolffish Anarhichas lupus in the North Sea: Impacts of fishing pressure and climate change

JK Bluemel, SH Fischer, DW Kulka… - Journal of Fish …, 2022 - Wiley Online Library
Anarhichas lupus is a boreo‐Arctic species with biological characteristics often associated
with vulnerability to overexploitation. Although not commercially targeted in the North Sea, A …

We can reduce the impact of scientific trawling on marine ecosystems

VM Trenkel, S Vaz, C Albouy, AB Amour… - Marine Ecology …, 2019 - int-res.com
The negative impacts that scientific monitoring may have on marine ecosystems has been a
neglected topic, mainly on the basis that its magnitude is minor compared to commercial …

Inverse method applied to autonomous broadband hydroacoustic survey detects higher densities of zooplankton in near-surface aggregations than vessel-based net …

M Dunn, G Pedersen, SL Basedow… - Canadian Journal of …, 2022 - cdnsciencepub.com
Throughout all oceans, aggregations of zooplankton and ichthyoplankton appear as
horizontal sound scattering layers (SSLs) when detected with active acoustic techniques …

[HTML][HTML] Effect of tow duration, door spread, and swept area on the catch efficiency of a bottom trawl

CW Berg, K Wieland, A Rindorf - Fisheries Research, 2024 - Elsevier
Trawl surveys are key to estimating changes in fish abundance, distribution and biodiversity.
When tow by tow sampling effort in a survey has not been constant, catch rates are often …

Amplifier linearity accounts for discrepancies in echo-integration measurements from two widely used echosounders

A De Robertis, C Bassett, LN Andersen… - ICES Journal of …, 2019 - academic.oup.com
The Simrad EK60 echosounder is widely used in acoustic-trawl surveys. It has recently been
replaced by the EK80, which can be configured to operate in a manner similar to the EK60 …

Evaluation of sampling strategies for age determination of cod (Gadus morhua) sampled at the North Sea International Bottom Trawl Survey

N Jourdain, O Breivik, E Fuglebakk… - ICES Journal of …, 2020 - academic.oup.com
Abstract The North Sea cod stock assessment is based on indices of abundance-at-age from
fishery-independent bottom trawl surveys. The age structure of the catch is estimated by …

[HTML][HTML] Assessing the influence of abiotic factors on small pelagic fish distribution across diverse water layers in the Northwest Pacific Ocean through acoustic …

Z Zhu, J Tong, M Xue, O Sarr, T Gao - Ecological Indicators, 2024 - Elsevier
Abstract The Northwest Pacific Ocean is one of the most productive fisheries in the world,
with small pelagic fish constituting a substantial portion of its fishery resources. Changes in …

Change in the dominance structure of two marine‐fish assemblages over three decades

F Moyes, AE Magurran - Journal of Fish Biology, 2019 - Wiley Online Library
Marine fish are an irreplaceable resource, but are currently under threat through overfishing
and climate change. To date, most of the emphasis has been on single stocks or populations …

[HTML][HTML] INTERNATIONAL BOTTOM TRAWL SURVEY (IBTS)

A Arnaud - 1992 - campagnes.flotteoceanographique.fr
Objectif L'objectif principal des campagnes IBTS est de produire des indices biologiques
pour caractériser l'état et l'évolution à moyen terme des espèces exploitées et des …

[PDF][PDF] Aqua reports 2022: 12

HC Nilsson, M Appelberg, T Axenrot, J Vinterstare - pub.epsilon.slu.se
Regeringen har bedömt att myndigheter som använder försöksdjur bör upprätta strategier
för sitt arbete med frågor som rör 3R, dvs. Replace (ersätta), Reduce (minska) och Refine …