[PDF][PDF] A review of trawl selectivity studies carried out along Indian coast

VR Madhu - 2018 - epubs.icar.org.in
Though trawling contributes significantly to landings in India, issues like bycatch which
comprises of juveniles of commercially important species and impacts to the sea bottom are …

Efficacy of a benthic trawl for sampling small-bodied fishes in large river systems

DP Herzog, VA Barko, JS Scheibe… - … American Journal of …, 2005 - Taylor & Francis
We conducted a study from 1998 to 2001 to determine the efficacy of a benthic trawl
designed to increase species detection and reduce the incidence of zero catches of small …

[PDF][PDF] Warmwater fish in rivers

CS Guy, PJ Braaten, DP Herzog, J Pitlo… - Standard methods for …, 2009 - fisheries.org
Large warmwater rivers are complex ecosystems and often contain numerous species and
habitats. We loosely define a large river as having a drainage area greater than 50,000 km2 …

Hydroacoustic estimates of fish densities in comparison with stratified pelagic trawl sampling in two deep, coregonid-dominated lakes

M Emmrich, IP Helland, S Busch, S Schiller, T Mehner - Fisheries Research, 2010 - Elsevier
Reliable information on fish stocks is given crucial importance in fisheries science and
ecosystem management. Among others, the European Water Framework Directive calls for …

Simultaneous Bayesian estimation of size-specific catchability and size spectrum parameters from trawl data

KJ Krumsick, EJ Pedersen - ICES Journal of Marine Science, 2024 - academic.oup.com
Fisheries-independent surveys are a critical tool for monitoring marine populations and
communities. However, considerations must be made to account for variable-size-based …

The influence of the trawl mouth opening size and net colour on catch efficiency during sampling of early fish stages

T Jůza, M Čech, J Kubečka, M Vašek, J Peterka… - Fisheries …, 2010 - Elsevier
The efficiency of different sized (0.5 m× 2m, 1m× 2m, 2m× 2m, 4m× 2m) and coloured (black,
white) ichthyoplankton trawl nets and the densities of fry between day and night were …

A century later: Long-term change of an inshore temperate marine fish assemblage

M McHugh, DW Sims, JC Partridge, MJ Genner - Journal of Sea Research, 2011 - Elsevier
There is compelling evidence that European marine fish assemblages have undergone
extensive changes in composition over the last century. However, our knowledge of which …

The efficiency of three fry trawls for sampling the freshwater pelagic fry community

T Jůza, J Kubečka - Fisheries Research, 2007 - Elsevier
Avoidance reactions of young-of-the-year fish assemblages were investigated in the
offshore zone of three reservoirs in the Czech Republic during late summer. Pikeperch …

The size selectivity of the main body of a sampling pelagic pair trawl in freshwater reservoirs during the night

M Říha, T Jůza, M Prchalová, T Mrkvička, M Čech… - Fisheries …, 2012 - Elsevier
The aim of this study was to test the selectivity of a trawl main body, especially for small fish,
during night sampling. The tested trawl had a mesh size of 80/40/20mm in the main body, a …

Improving selectivity in an Australian penaeid stow-net fishery

WG Macbeth, MK Broadhurst… - Bulletin of Marine …, 2005 - ingentaconnect.com
Two experiments were conducted in an Australian penaeid stow-net fishery to:(i) validate the
use of a fine-meshed cover for determining the selectivity of codends, and (ii) use this cover …