scholarly journals Some consequences of unreported fishing on the results of simple fish stock assessment

2019 ◽  
Vol 404 ◽  
pp. 012068
Author(s):  
M F A Sondita
Keyword(s):  
Stock Assessment ◽  
Fish Stock ◽  
Fish Stock Assessment

Fish stock assessment a manual of basic methods

Marine Policy ◽  
1984 ◽  
Vol 8 (1) ◽  
pp. 68-69
Author(s):  
Stephen J. Lockwood
Keyword(s):  
Stock Assessment ◽  
Fish Stock ◽  
Fish Stock Assessment

scholarly journals Accuracy of Acoustic Methods in Fish Stock Assessment Surveys

Sonar Systems ◽  
10.5772/18631 ◽  
2011 ◽  
Author(s):  
S. Georgakarakos ◽  
V. Trygonis ◽  
J. Haralabous
Keyword(s):  
Stock Assessment ◽  
Fish Stock ◽  
Acoustic Methods ◽  
Fish Stock Assessment

Analysis of Threshold-Induced Bias Inherent in Acoustic Scattering Cross-Section Estimates of Individual Fish

1975 ◽  
Vol 32 (12) ◽  
pp. 2547-2551 ◽  
Author(s):  
R. T. Weimer ◽  
J. E. Ehrenberg
Keyword(s):  
Cross Section ◽  
Stock Assessment ◽  
Acoustic Scattering ◽  
Operating Conditions ◽  
Scattering Cross Section ◽  
Fish Stock ◽  
Small Fish ◽  
Scattering Cross ◽  
Electronic Circuitry ◽  
Fish Stock Assessment

During acoustic fish stock assessment surveys, it is often desirable to measure the distribution of the acoustic scattering cross-section of single fish. One of the problems in such measurements is that a threshold in the electronic circuitry discriminates against small fish. This effect is analyzed in detail, and an expression is derived for the threshold-induced bias in the mean scattering cross-section estimate. Results are plotted for a typical set of operating conditions.

Application of ensemble-based techniques in fish stock assessment

Sarsia ◽  
2001 ◽  
Vol 86 (6) ◽  
pp. 517-526 ◽  
Author(s):  
Rune Grønnevik ◽  
Geir Evensen
Keyword(s):  
Stock Assessment ◽  
Fish Stock ◽  
Fish Stock Assessment

scholarly journals Effect of a Transducer Horizontality Default on Lake Fish Stock Assessment

2020 ◽  
Author(s):  
Arthur Blanluet ◽  
Chloe Goulon ◽  
Anne Lebourges-Dhaussy ◽  
Pauline Eymar-Dauphin ◽  
Jean Guillard
Keyword(s):  
Stock Assessment ◽  
Fish Stock ◽  
Fish Stock Assessment ◽  
Lake Fish
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