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4 (0,109s)

Project

Estimation of fish stock size using hydroacoustics in lake Balaton and some shallow reservoirs (MEB040803)

of single targets from hydroacoustics can reflect the size distribution of fish populations, particularly the occurrence of young fish (b) to complete a hydroacoustic with the hydroacoustic data.......

EH - Ekologie – společenstva

  • 2008 - 2009
  • 362 tis. Kč
  • 112 tis. Kč
  • MŠMT
Project

Hydroacoustical distinguishing between fish and bubbles, and quantification of methane bubble ebullition in freshwater reservoirs of temperate zone (GAP504/12/1186)

The acoustic parameters of rising methane bubbles will be measured by echosounders at different frequencies at man-made bubbles. The special algorithms using multi-frequency record will be developed to distinguish the bubble echoes from the fish echo...

EH - Ekologie – společenstva

  • 2012 - 2015
  • 5 937 tis. Kč
  • 5 937 tis. Kč
  • GA ČR
Project

Establishing the relationship between fish size and acoustic target strength for new species (whitefish) and new frequencies (38 kHz). (MEB061114)

The main aim of this cooperation is to develop precise target strength- body length relationships for whitefish (Coregonus lavaretus), and cyprinids such as roach (Rutilus rutilus) and bream (Abramis brama) observed vertically with 38 kHz and 120 kHz...

EH - Ekologie – společenstva

  • 2011 - 2012
  • 80 tis. Kč
  • 80 tis. Kč
  • MŠMT
Project

Structuring effect of submerged macrophytes on trophic relationships and distribution of fish in deep lakes (7F14316)

By detailed comparisons of fish communities in deep lakes contrasted by absent or abundant macrophyte cover, the project shall generate detailed knowledge on the effects submerged macrophytes on fish community structure and interactions. This include...

EH - Ekologie – společenstva

  • 2014 - 2017
  • 22 534 tis. Kč
  • 21 998 tis. Kč
  • MŠMT
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