Results 21 to 30 of about 34,528 (205)
Scientia Marina, 2003 The attendance of seabirds to a research trawler along the Mediterranean coast of the Iberian Peninsula was monitored during six demersal surveys (MEDITS project). Cruises were performed in late spring during the period 1994-1999.
Pere Abelló +2 more
doaj +1 more source
東シナ海トロール網において最小規制目合を持つコッドエンドの選択性 [PDF]
, 2019 Selectivity curves were obtained for 22 species from stock assessment research data in the East China Sea between 2001 and 2011, conducted using a cover net attached to the codend of a trawl net (Seikai National Fisheries Research Institute SS-RI type ...
依田 真里 +3 more
core +2 more sources
ICES Survey Protocols – Manual for Inshore Beam Trawl Surveys, Coordinated by Working Group on Beam Trawl Surveys (WGBEAM) [PDF]
This manual describes the current methodologies, stratification, and sample processing used in the inshore beam-trawl surveys that provide fisheries-independent information to the fish stock assessments for flatfish species (often recruitment indices), as well as for elasmobranch species.
Beier, Ulrika +4 more
openaire +2 more sources
Working Group on Beam Trawl Surveys (WGBEAM) [PDF]
, 2020 The Working Group on Beam Trawl Surveys (WGBEAM) coordinates and implements European inshore and offshore beam trawl surveys, including planning, standardization, data transmis-sion and data quality assurance. The group also coordinates the Italian-Slovenian and Croatian beam trawl survey in the Adriatic Sea as there is no other body in the EU ...
openaire +5 more sources
Известия ТИНРО, 2023 Modern technique of counting pink salmon juveniles in trawl surveys by two research vessels simultaneously makes it possible to cover the surveyed area in a short time that excludes repeated counts of actively migrating fish at adjacent transects.
A. A. Somov +5 more
doaj +1 more source
Известия ТИНРО, 2015 In commercial fishery, catching properties of fishing gears are developed mostly for effective catch of fish, rather than for precise measurement of fish distribution density in water, so a problem of catchability exists and this parameter should be ...
Mikhail Yu. Kuznetsov +2 more
doaj +1 more source
Fishing Gears in Sarawak: A Preliminary Survey [PDF]
E3S Web of ConferencesUnique to Sarawak, the fishing gears double-rig trawl, paka, panau, and rantau were gears that could only be found here. The focus of the present study was to catalog the diversity of fishing equipment across two regions, Wilayah II (Belawai, Daro, Mukah,
Maidin Mohd Samsul Rohizad +5 more
doaj +1 more source
PLoS ONE, 2017 The diversity and distribution of gelatinous zooplankton were investigated along the northern Mid-Atlantic Ridge (MAR) from June to August 2004.Here, we present results from macrozooplankton trawl sampling, as well as comparisons made between five ...
Aino Hosia +3 more
doaj +1 more source
The MEDITS trawl survey specifications in an ecosystem approach to fishery management
Scientia Marina, 2019 The MEDITS programme started in 1994 in the Mediterranean with the cooperation among research institutes from four countries: France, Greece, Italy and Spain. Over the years, until the advent of the European framework for the collection and management of
Maria Teresa Spedicato +5 more
doaj +1 more source
Optimization of Catch Study Fleet Sample Size Based on CPUE of Decapterus maruadsi [PDF]
Progress in Fishery SciencesFishery production surveys constitute the basis for assessing and managing fishery resources. A well-defined and reasonable sample size is essential for the accuracy and precision of survey outcomes.
LIANG Yaowei +4 more
doaj +1 more source