CONSTRUCTION ANALYSIS OF BOTTOM GILLNET AS AN ALTERNATIVE TO BOTTOM TRAWL IN PEKALONGAN WATERS [PDF]
A bottom trawl is a fishing tool that is not recommended by the government to capture demersal fish resources in Pekalongan waters. Therefore, a bottom gillnet is an alternative substitute for bottom trawl fishing gear in catching demersal fish.
Prihatiningsih R.T. +2 more
doaj +3 more sources
A dataset from bottom trawl survey around Taiwan [PDF]
Bottom trawl fishery is one of the most important coastal fisheries in Taiwan both in production and economic values. However, its annual production started to decline due to overfishing since the 1980s.
Kwang-tsao Shao +4 more
doaj +7 more sources
Every animal matters! Evaluating the selectivity of a Mediterranean bottom trawl fishery from a species community perspective. [PDF]
Bottom trawl fisheries often catch several species simultaneously. However, most studies addressing the catch performance and selectivity of a specific trawl focus on a few commercially important or most vulnerable species requiring management measures ...
Andrea Petetta +5 more
doaj +3 more sources
Effect of Extension Piece Design on Catch Patterns in a Mediterranean Bottom Trawl Fishery
The catch composition of bottom trawls is commonly refined and improved through changes in codend design. Measures like reducing the number of meshes in codend circumference or turning diamond netting by 90 degrees are well known to improve the size ...
Andrea Petetta +8 more
doaj +3 more sources
FISHGLOB_data: an integrated dataset of fish biodiversity sampled with scientific bottom-trawl surveys [PDF]
Scientific bottom-trawl surveys are ecological observation programs conducted along continental shelves and slopes of seas and oceans that sample marine communities associated with the seafloor.
Aurore A. Maureaud +13 more
doaj +2 more sources
Some updates to the method for calculation of parameters of bottom trawl system
The method for calculation of geometric parameters of trawl system proposed by F.I. Baranov is analyzed. The calculation includes evaluation of spacer force and drag for all elements of trawl system and solution of transcendental equation to find a ...
Egor A. Zakharov, Oleg N. Kruchinin
doaj +3 more sources
In this paper, a new type of bottom trawl was designed for target fishing vessels to use in deep-water fishing grounds. The trawl’s hydrodynamic performance was investigated using numerical simulation and physical modeling methods, and a numerical model ...
Qinglong Guan +9 more
doaj +3 more sources
Density dependent catchability in bottom trawl surveys [PDF]
Fish form schools, layer or patches in which the individual fish's behaviour is not independent of its neighbours movements. On the other hand, at low densities fish may have the freedom to act as single individuals independently of what other fish are
Stansbury, Don +5 more
core +3 more sources
Evaluation of New Zealand's high-seas bottom trawl closures using predictive habitat models and quantitative risk assessment. [PDF]
United Nations General Assembly Resolution 61/105 on sustainable fisheries (UNGA 2007) establishes three difficult questions for participants in high-seas bottom fisheries to answer: 1) Where are vulnerable marine systems (VMEs) likely to occur?; 2) What
Andrew J Penney, John M Guinotte
doaj +2 more sources
The demersal fish composition and catch per unit effort of mini bottom trawl at the coast of Demak Regency Central Java [PDF]
Demak is a coastal area on the North Coast of Java with a large enough potential for demersal fish resources. This research aimed to determine the composition, the length and weight distribution, and catch per unit effort (CPUE) of demersal fish caught ...
Fitriya Naliyana +3 more
doaj +1 more source

