Results 21 to 30 of about 840 (285)

ON THE FORM AND THE TENSION OF PURSE LINE OF A PURSE SEINE

open access: yesNIPPON SUISAN GAKKAISHI, 1961
In order to find out the most fruitful method for studying the state of the purse seine in operation, the test were made in the water with under-water current on 1/150 and 1/50 scale models by Tauti's principle and the real seine. The results obtained from those experiments are as follows: 1) As shown in Fig.
ISHII, Kazumi, KONAGAYA, Tuneo
openaire   +2 more sources

Knowledge on the Biological and Fisheries Aspects of the Japanese Sardine, Sardinops melanostictus (Schlegel, 1846)

open access: yesJournal of Marine Science and Engineering, 2021
Japanese sardine (Sardinops melanostictus) is a significant small pelagic fish and a valuable resource that plays an essential ecological role in the marine ecosystem.
Ousmane Sarr   +2 more
doaj   +1 more source

Artisanal purse seines in Parachique, Peru [PDF]

open access: yes, 2021
El estudio se efectuó en las zonas de pesca de Parachique, Región Piura a bordo de embarcaciones pesqueras (E/P) artesanales de cerco para consumo humano dirigido a anchoveta.
Cornejo Urbina, Rodolfo   +3 more
core  

Cetacean bycatch management in regional fisheries management organizations: Current progress, gaps, and looking ahead

open access: yesFrontiers in Marine Science, 2023
Bycatch is the leading global threat to cetaceans, with at least 300,000 cetaceans estimated to be killed each year in fisheries. Regional fisheries management organizations (RFMOs) are key actors in global fisheries management, including bycatch ...
Brianna Elliott   +2 more
doaj   +1 more source

Purse seining in India - a review

open access: yesIndian Journal of Fisheries, 2016
Purse seining is one of the most efficient and advanced commercial fishing methods of recent times, used for harvesting shoaling fishes. Purse seines are surrounding nets in which the bottom of the net is closed after encircling the fish school, by a pursing line which prevents fish from escaping downwards by diving.
P. Pravin, B. Meenakumari
openaire   +2 more sources

Hydrodynamic characteristics of knotted and knotless purse seine netting panels as determined in a flume tank. [PDF]

open access: yesPLoS ONE, 2018
Nylon (PA) netting is widely used in purse seines and other fishing gears due to its high strength and good sinking performance. However, hydrodynamic properties of nylon netting of different characteristics are poorly understood. This study investigated
Hao Tang, Liuxiong Xu, Fuxiang Hu
doaj   +1 more source

STUDY ON PURSE SEINE BY MEASURING-I

open access: yesNIPPON SUISAN GAKKAISHI, 1960
Upon the fishing efficiency of the sardine purse seine operating by night in Bungo Channel, with the gathering lamp, the depth of the net foot has an important influence. On the gear shown in Fig. 1, the sinking depth of the net foot was measured with a self depth meter and some sounding chemical tubes, and moreover a model experiment was carried out ...
Yasushi KONDO, Etsuyuki HAMADA
openaire   +3 more sources

Effects on individual level behaviour in mackerel (Scomber scombrus) of sub-lethal capture related stressors: Crowding and hypoxia.

open access: yesPLoS ONE, 2019
Stress to fish during harvest in wild capture fisheries is known to negatively influence subsequent survival in catches that are released. Therefore, if fisheries are to be conducted sustainably, there is a need to promote good fish welfare during the ...
Neil Anders   +5 more
doaj   +1 more source

Interannual variability of fisheries economic returns and energy ratios is mostly explained by gear type. [PDF]

open access: yesPLoS ONE, 2013
According to portfolio theory applied to fisheries management, economic returns are stabilised by harvesting in a portfolio stocks of species whose returns are negatively correlated and for which the portfolio economic return variance is smaller than the
Verena M Trenkel   +3 more
doaj   +1 more source

Estimation of Fishing Mortality Rate and Exploitation Status of Yellowstrip Scad (Selaroides leptolepis) in Tomini Bay using Von Bertalanffy Growth Model Approach

open access: yesJurnal Ilmiah Perikanan dan Kelautan, 2021
Highlight Research • The fishing area of S. leptolepis in this study was confirmed to be located in Tomini Bay • The fish samples were gathered randomly from fishers' catch using purse seines • The growth curve for the male and female fish data were both
Nuralim Pasisingi   +2 more
doaj   +1 more source

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