Document of bibliographic reference 337091

BibliographicReference record

Type

Bibliographic resource

Type of document

Journal article

BibLvlCode

AS

Title

Application of a controlled aquarium experiment to assess the effect of mesh sizes and mesh opening angles on the netting selectivity of Antarctic krill (Euphausia superba)

Abstract

Understanding the interactions between target species and netting is paramount for increasing the sustainability of trawling activities. The selectivity of the utilized netting depends on the sizes and opening angles of the mesh. The effects of the mesh size and mesh opening angle on the fishing selectivity of Antarctic krill (Euphausia superba) were assessed via micro-cosmos experiments. The results show that both the absolute abundance and the incidence of larger krill individuals passing through experimental panels are proportional to the utilized mesh size. Krill individuals larger than 35 mm passed through experimental panels at mesh opening angles larger than 50° for a 15 mm mesh size, 35° for a 20 mm mesh size and 20° for a 30 mm mesh size. Additionally, all L50 values increased with an increasing mesh size and an increasing mesh opening angle at the same mesh size. Furthermore, the selection range increased with an increasing mesh size and with an increasing mesh opening angle at the same mesh size. This paper provides scientific guidance for the choice of liner mesh sizes of krill trawl with the aim to improve fishing efficiency while minimizing fishing losses and potential negative ecosystem impacts from fisheries.

WebOfScience code

https://www.webofscience.com/wos/woscc/full-record/WOS:000643122500001

Bibliographic citation

Wang, Z.; Tang, H.; Xu, L.; Zhang, J.; Hu, F. (2021). Application of a controlled aquarium experiment to assess the effect of mesh sizes and mesh opening angles on the netting selectivity of Antarctic krill (Euphausia superba). J. Mar. Sci. Eng. 9(4): 372. https://hdl.handle.net/10.3390/jmse9040372

Topic

Marine

Is peer reviewed

true

Access rights

open access

Is accessible for free

true