H. Balk

发表

Two methods to improve the accuracy of target-strength estimates for horizontal beaming

Jan Kubečka, Christian Fesl, Helge Balk, 2008 .

Use of high-frequency imaging sonar (DIDSON) to observe fish behaviour towards a surface trawl

Milan Říha, Jan Kubečka, Michal Tušer, 2012 .

Evaluation of potential bias in observing fish with a DIDSON acoustic camera

Jan Kubečka, Michal Tušer, Helge Balk, 2014 .

Target strength of some European fish species and its dependence on fish body parameters

J. Frouz, J. Kubečka, H. Balk, 2005 .

Surface-induced errors in target strength and position estimates during horizontal acoustic surveys.

J. Kubečka, H. Balk, M. Tušer, 2017 .

Testing in situ avoidance reaction of vendace, Coregonus albula, in relation to continuous artificial light from stationary vertical split-beam echosounding

H. Balk, H. Gassner, M. B. Schmidt, 2009 .

Echo-sounding can discriminate between fish and macroinvertebrates in fresh water

H. Peltonen, H. Balk, M. Viljanen, 2008 .

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

J. Kubečka, H. Balk, M. Tušer, 2018, Journal of Limnology.

Differentiation of two swim bladdered fish species using next generation wideband hydroacoustics

H. Balk, J. T. DeWeber, A. Brinker, 2021, Scientific Reports.

Night fish avoidance of Microcystis bloom revealed by simultaneous hydroacoustic measurements of both organisms

K. Izydorczyk, T. Jurczak, H. Balk, 2018, Fisheries Research.

Improved fish detection in data from split-beam sonar

Helge Balk, H. Balk, Torfinn Lindem, 2000 .

Fish hydroacoustic survey standardization: A step forward based on comparisons of methods and systems from vertical surveys of a large deep lake

I. Winfield, J. Kubečka, H. Balk, 2017 .

Development of hydroacoustic methods for fish detection in shallow water

Helge Balk, H. Balk, 2001 .

A novel upward-looking hydroacoustic method for improving pelagic fish surveys

J. Kubečka, H. Balk, M. Tušer, 2017, Scientific Reports.

Fish behaviour in response to a midwater trawl footrope in temperate reservoirs

J. Kubečka, H. Balk, M. Tušer, 2015 .

Can acoustic shadows identify fish species? A novel application of imaging sonar data

Jost Borcherding, Helge Balk, H. Balk, 2012 .

Comparing hydroacoustic fish stock estimates in the pelagic zone of temperate deep lakes using three sound frequencies (70, 120, 200 kHz)

A. Józwik, H. Balk, J. Guillard, 2014 .

Limitations of target detection in horizontal acoustic surveys of extremely shallow water bodies

J. Kubečka, H. Balk, M. Tušer, 2019, Fisheries Research.

The acoustic target strength of herring (Clupea harengus L.) in the northern Baltic Sea

Heikki Peltonen, Helge Balk, H. Peltonen, 2005 .