Results 51 to 60 of about 21,457 (209)
A comparison of two fishery-independent survey programs used to define the population structure of American lobster (Homarus americanus) in the Gulf of Maine [PDF]
, 2006 The population structure and abundance of the American lobster (Homarus americanus) stock in the Gulf of Maine are defined by data derived from a fishery-independent trawl survey program conducted by the National Marine Fisheries Service (NMFS).
Chen, Yong +4 more
core
SELECTED GEARS CUTTING METHODS DEVELOPMENT
Scientific Journal of Silesian University of Technology. Series Transport, 2015 The paper presents a somewhat extended approach to the cutting tools classification. After that authors present results of the research concerning the form – grinding of spur gears with helical teeth. The modern gear – grinding machine Rapid 900 of HOEFLER is described and results of the accuracy and surface roughness researches are given.
Stanisław PŁONKA +3 more
openaire +1 more source
Whole-gear efficiency of a benthic survey trawl for flatfish [PDF]
, 2007 Whole-gear efficiency (the proportion of fish passing between the otter doors of a bottom trawl that are subsequently captured) was estimated from data collected during experiments to measure the herding efficiency of bridles and doors, the capture ...
Munro, Peter T. +2 more
core
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
Respons Tingkah Laku Ikan Nila Merah (Oreochromis Niloticus) Pada Jaring Arad (Small Bottom Trawl) Modifikasi Pada Uji Flume Tank (Skala Laboratorium) [PDF]
, 2013 Fish have differential response on each part of fishing gear. Small bottom trawl was debated as irresponsible fishing gear always efforted as sustainable fishing gear by modification.
Simeon, B. M. (Benaya)
core
Sample Design-based Methodology for Estimating Delta Smelt Abundance
San Francisco Estuary and Watershed Science, 2008 A sample design-based procedure for estimating pre-adult and adult delta smelt abundance is described. Using data from midwater trawl surveys taken during the months of September, October, November, and December for the years 1990 through 2006 and ...
Ken B. Newman
doaj
Russian Journal of Agricultural and Socio-Economic Sciences, 2021 Danish seine (Cantrang) is a controversial fishing gear caused by it considered as destructive fishing and has a low level of selectivity. A policy regulation on the prohibition of using Cantrang as fishing gear in Indonesia has been issued through the ...
Ravanelli R. +2 more
doaj +1 more source
Revista de Biología Tropical, 2008 Se realizó un estudio orientado a evaluar tres tipos de trampas (eficiencia de captura, estructura de tallas, selectividad y composición de especies) para la captura de peces marinos en el Golfo de California.
Manuel O Nevárez-Martínez +5 more
doaj
Aquatic Living Resources, 2017 Obtaining data to study fish biology can be a challenge if a stock is fished by a variety of gears with different effort units and different selectivity, particularly if these gears only partially overlap in space and time.
Pappa Marianna +6 more
doaj +1 more source
Selection of Method for Electronic Gear Control
Izvestiya MGTU MAMI, 2009 The article examines solution of the task of gear control in tractor transmissions. There are three main layouts of friction clutch installation within tractor transmission. For each one the mathematical formulation is given. The authors suggest possible criteria for selection of gear control method under load.
G B Shipilevsky, A S Gorbachev
openaire +1 more source