Quantification of Chaoborus and small fish by mobile upward-looking echosounding

Quantification of Chaoborus and small fish by mobile upward-looking echosounding

Chaoborus larvae inhabit frequently the water column of lakes, when they can be mistaken for small fish. Because larvae ascend up to the blind zone of downward-looking echo sounding at night, quantitative acoustic estimation of them is possible only with upward-looking approach. For this reason, the...

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Bibliographic Details
Main Authors: Roman Baran, Michal Tušer, Helge Balk, Petr Blabolil, Martin Čech, Vladislav Draštík, Jaroslava Frouzova, Tomáš Jůza, Jan Kubecka
Format: Article
Language:English
Published: PAGEPress Publications 2018-12-01
Series:Journal of Limnology
Subjects:
Římov reservoir
juvenile fish
invertebrate
trawling
hydroacoustics
target strength
Online Access:https://www.jlimnol.it/index.php/jlimnol/article/view/1837

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